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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Boc-L-Tyrosine methyl ester Manufacturer/High quality/Best price/In stock

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Boc-L-Tyrosine Methyl Ester supplier in China

Cas:4326-36-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of Boc-L-Tyrosine methyl ester Cas 4326-36-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:1kg/foil bag;25kg/dru

High quality Boc-L-Tyrosine methyl ester Cas 4326-36-7 with good price

Cas:4326-36-7

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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SICHUAN TONGSHENG AMINOACID CO.LTD

Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we have the best quality and price. Guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008,

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

N-tert-Butoxycarbonyl-L-tyrosine methyl ester

Cas:4326-36-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

TIANFU CHEM---Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Density: 1.169 ± 0.06 g/cm3 (Predicted) Melting point: 100-104 ° C (lit.) Boiling point: 452.7 ± 40.0 ° C (Predicted) Specific rotation: 51 º (c=1 in chloroform) Flash point: 227.6 ° C Steam pressure: 8.19E-09mmHg at 25

Boc-L-Tyrosine methyl ester 4326-36-7

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 4326-36-7 with best quality

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name Boc-Tyr- OMe CAS No. 4326-36-7 Synonyms N-tert-Butoxycarbonyl-L-tyrosine methyl ester Purity 98.0% min Molecular Formula C15H21NO5 Molecular Weight 295.3 Appe

Boc-Tyr- OMe

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Boc-L-Tyrosine methyl ester 4326-36-7

Cas:4326-36-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Boc-L-Tyrosine methyl ester CAS:4326-36-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organi

Boc-L-Tyrosine methyl ester CAS:4326-36-7

Cas:4326-36-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:4326-36-7

Cas:4326-36-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details

China Biggest factory Manufacturer Supply High Quality Boc-L-Tyrosine methyl ester CAS 4326-36-7

Cas:4326-36-7

Min.Order:1 Gram

FOB Price: $1.0 / 5.0

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $10.0 / 30.0

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Boc-Tyr.Ome

Cas:4326-36-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Boc-Tyr.Ome

Cas:4326-36-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply N-tert-Butoxycarbonyl-L-tyrosine methyl ester

Cas:4326-36-7

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

N-tert-Butoxycarbonyl-L-tyrosine methyl ester CAS NO.4326-36-7

Cas:4326-36-7

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

Boc-Tyr.Ome

Cas:4326-36-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $32.0 / 57.0

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Boc-L-tyrosinemethylester

Cas:4326-36-7

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Boc-L-Tyrosine methyl ester Chemical Properties Melting point 100-104 °C(lit.) alpha 51 º (c=1 in chloroform) Boiling point 452.7±40.0 °C(Predicted) density 1.169±0.06 g/cm3(Predicted) refractive index 5

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Gram

FOB Price: $65.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Boc-Tyr.Ome

Cas:4326-36-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: BOC-D-Tyr-OH CAS No.:4326-36-7 Molecule Formula:C15H21NO5 Molecule Weight:295.33 Purity: 99.0% Package: 25kg/drum Description:White to off-white crystalline powder Manufacture Standards:Enterprise Standard

High Quality BOC-D-Tyr-OH

Cas:4326-36-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Boc-Tyr.Ome

Cas:4326-36-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Wuhu Nuowei Chemistry Technologies Co., Ltd.

Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:100 Gram

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Boc-L-Tyrosine methyl ester

Cas:4326-36-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Synthetic route

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-Tyr-OMe
1080-06-4

L-Tyr-OMe

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol at 20℃; for 15h;100%
With triethylamine In dichloromethane100%
In tetrahydrofuran at 20℃; for 14.1667h;97%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-tyrosine methyl ester HCl
3417-91-2

L-tyrosine methyl ester HCl

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With TEA In N,N-dimethyl-formamide at 60℃; for 0.5h;100%
With triethylamine In methanol at 0 - 20℃; for 2.25h;100%
Stage #1: L-tyrosine methyl ester HCl With triethylamine In dichloromethane at 0℃; for 0.5h;
Stage #2: di-tert-butyl dicarbonate In dichloromethane at 20℃;
99%
Boc-Tyr-OH
3978-80-1

Boc-Tyr-OH

methyl iodide
74-88-4

methyl iodide

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.566667h; Inert atmosphere;100%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere;88%
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 25℃; for 20h;85%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;65%
With sodium hydrogencarbonate In N,N-dimethyl-formamide for 5h;
Boc-Tyr-OH
3978-80-1

Boc-Tyr-OH

dimethyl sulfate
77-78-1

dimethyl sulfate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With lithium hydroxide In tetrahydrofuran for 2h; Methylation; esterification; Heating;100%
methanol
67-56-1

methanol

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-tyrosine
60-18-4

L-tyrosine

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: methanol; L-tyrosine With thionyl chloride for 3h; Inert atmosphere; Heating;
Stage #2: di-tert-butyl dicarbonate With triethylamine In methanol for 20h; Inert atmosphere;
100%
Stage #1: methanol; L-tyrosine With thionyl chloride Heating;
Stage #2: di-tert-butyl dicarbonate With sodium hydrogencarbonate In 1,4-dioxane; water at 20℃; Further stages.;
methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate
147363-23-3

methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With dimethylamine borane; tetrakis(triphenylphosphine) palladium(0) In dichloromethane at 20℃; deallylation;90%
With tetrakis(triphenylphosphine) palladium(0); phenylsilane In dichloromethane Ambient temperature;77%
With cisplatin In aq. phosphate buffer; dimethyl sulfoxide at 37℃; for 24h; pH=7.4;
3,6-di(2'-pyridyl)-1,2,4,5-tetrazine
1671-87-0

3,6-di(2'-pyridyl)-1,2,4,5-tetrazine

O-vinyl-N-(tert-butoxycarbonyl)-L-tyrosine methyl ester

O-vinyl-N-(tert-butoxycarbonyl)-L-tyrosine methyl ester

A

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

B

3,6-di(pyridin-2'-yl)-s-tetrazine
36901-11-8

3,6-di(pyridin-2'-yl)-s-tetrazine

Conditions
ConditionsYield
In dichloromethane at 20℃; for 72h; Inert atmosphere;A 68%
B 65%
N-(tert-butoxycarbonyl)-4-iodo-L-phenylalanine methyl ester
113850-76-3

N-(tert-butoxycarbonyl)-4-iodo-L-phenylalanine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With oxygen; triethylamine In acetonitrile at 32℃; for 24h; Schlenk technique; UV-irradiation;58%
4-bromo-phenol
106-41-2

4-bromo-phenol

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With iodine; zinc In N,N-dimethyl-formamide at 20℃; Inert atmosphere;
Stage #2: 4-bromo-phenol With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0) In N,N-dimethyl-formamide at 50℃; for 3h; Negishi coupling; Inert atmosphere;
51%
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With iodine; zinc In N,N-dimethyl-formamide for 0.0833333h;
Stage #2: 4-bromo-phenol With tris-(o-tolyl)phosphine; palladium diacetate In N,N-dimethyl-formamide at 50℃; for 2h; Negishi cross-coupling; Further stages.;
23%
4-Iodophenol
540-38-5

4-Iodophenol

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

A

(2S,5S)-2,5-bis-tert-butoxycarbonylaminohexane-1,6-dioic acid dimethyl ester
915040-50-5

(2S,5S)-2,5-bis-tert-butoxycarbonylaminohexane-1,6-dioic acid dimethyl ester

B

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; dichloro bis((p-dimethylaminophenyl)-ϖ-di-tert-butylphosphine)palladium(II); zinc In water at 65℃; for 4h; Negishi coupling reaction; Inert atmosphere;A n/a
B 35%
N-(tert-butyloxycarbonyl) azide
1070-19-5

N-(tert-butyloxycarbonyl) azide

L-Tyr-OMe
1080-06-4

L-Tyr-OMe

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With pyridine
N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester
27513-44-6

N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol at 20℃; for 2h; Hydrogenolysis;
With pyridine; hydrogen; palladium on activated charcoal In methanol at 20℃; Product distribution; Further Variations:; Reagents; time, other benzyl ethers;
4-(4-benzyloxyphenyl) iodide
19578-68-8

4-(4-benzyloxyphenyl) iodide

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

A

(S)-N-(tert-butoxycarbonyl)alanine methyl ester
28875-17-4

(S)-N-(tert-butoxycarbonyl)alanine methyl ester

B

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: 4-(4-benzyloxyphenyl) iodide; N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With dichlorobis(tri-O-tolylphosphine)palladium; zinc In tetrahydrofuran; N,N-dimethyl acetamide at 60℃; for 3h; Condensation;
Stage #2: With hydrogen; palladium on activated charcoal In tetrahydrofuran at 20℃; for 21h; Hydrogenolysis;
A n/a
B 1.80 g
(S)-methyl 3-(4-acetoxyphenyl)-2-(tert-butoxycarbonylamino)propanoate

(S)-methyl 3-(4-acetoxyphenyl)-2-(tert-butoxycarbonylamino)propanoate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
natural kaolinitic clay In methanol at 25℃; for 0.5h;
L-tyrosine
60-18-4

L-tyrosine

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / SOCl2
2: 85 percent / Et3N
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride / 20 h / Heating
2: triethylamine / methanol / 17 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride / 0 - 20 °C / Inert atmosphere
2: sodium hydrogencarbonate / tetrahydrofuran; methanol / 20 °C / Inert atmosphere
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 86 percent / hexane / 8 h / 20 °C
2: 76 percent / 1,2-dimethoxy-ethane / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 92 percent / benzene / 6 h / 20 °C
2: 76 percent / 1,2-dimethoxy-ethane / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 9.8 g / Et3N / H2O; dioxane / 0 deg C, 30 min; 25 deg C, 24 h
2: 85 percent / NaHCO3 / dimethylformamide / 20 h / 25 °C
View Scheme
(benzyloxy)benzene
946-80-5

(benzyloxy)benzene

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 96 percent / HgO; I2 / CH2Cl2 / 26 h / 20 °C
2.1: Zn; PdCl2[P(o-tol)3]2 / tetrahydrofuran; N,N-dimethyl-acetamide / 3 h / 60 °C
2.2: 1.80 g / H2 / Pd/C / tetrahydrofuran / 21 h / 20 °C
View Scheme
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
2130-96-3

O-benzyl-N-tert-butoxycarbonyl-L-tyrosine

poly<4-(1-hydroxybenzotriazol-6-yl)methylstyrene

poly<4-(1-hydroxybenzotriazol-6-yl)methylstyrene

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / dimethylformamide / 15 h / 20 °C
2: H2 / Pd/C / methanol / 2 h / 20 °C
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-Tyr-OMe
1080-06-4

L-Tyr-OMe

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol at 20℃; for 15h;100%
With triethylamine In dichloromethane100%
In tetrahydrofuran at 20℃; for 14.1667h;97%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-tyrosine methyl ester HCl
3417-91-2

L-tyrosine methyl ester HCl

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With TEA In N,N-dimethyl-formamide at 60℃; for 0.5h;100%
With triethylamine In methanol at 0 - 20℃; for 2.25h;100%
Stage #1: L-tyrosine methyl ester HCl With triethylamine In dichloromethane at 0℃; for 0.5h;
Stage #2: di-tert-butyl dicarbonate In dichloromethane at 20℃;
99%
Boc-Tyr-OH
3978-80-1

Boc-Tyr-OH

methyl iodide
74-88-4

methyl iodide

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.566667h; Inert atmosphere;100%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere;88%
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 25℃; for 20h;85%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;65%
With sodium hydrogencarbonate In N,N-dimethyl-formamide for 5h;
Boc-Tyr-OH
3978-80-1

Boc-Tyr-OH

dimethyl sulfate
77-78-1

dimethyl sulfate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With lithium hydroxide In tetrahydrofuran for 2h; Methylation; esterification; Heating;100%
methanol
67-56-1

methanol

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-tyrosine
60-18-4

L-tyrosine

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: methanol; L-tyrosine With thionyl chloride for 3h; Inert atmosphere; Heating;
Stage #2: di-tert-butyl dicarbonate With triethylamine In methanol for 20h; Inert atmosphere;
100%
Stage #1: methanol; L-tyrosine With thionyl chloride Heating;
Stage #2: di-tert-butyl dicarbonate With sodium hydrogencarbonate In 1,4-dioxane; water at 20℃; Further stages.;
methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate
147363-23-3

methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With dimethylamine borane; tetrakis(triphenylphosphine) palladium(0) In dichloromethane at 20℃; deallylation;90%
With tetrakis(triphenylphosphine) palladium(0); phenylsilane In dichloromethane Ambient temperature;77%
With cisplatin In aq. phosphate buffer; dimethyl sulfoxide at 37℃; for 24h; pH=7.4;
methanol
67-56-1

methanol

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: methanol; L-tyrosine With thionyl chloride at 0℃; for 3h; Heating / reflux;
Stage #2: di-tert-butyl dicarbonate With triethylamine In acetonitrile at 20℃; for 1.5h;
Stage #3: With sodium hydrogen sulfate; sodium carbonate more than 3 stages;
90%
Stage #1: methanol; L-tyrosine With thionyl chloride for 3h; Heating / reflux;
Stage #2: di-tert-butyl dicarbonate With triethylamine In acetonitrile at 20℃; for 1.5h;
90%
(S)-methyl 2-(((tert-butoxy)carbonyl)amino)-3-{4-[(2-methoxyacetyl)oxy]phenyl}propanoate

(S)-methyl 2-(((tert-butoxy)carbonyl)amino)-3-{4-[(2-methoxyacetyl)oxy]phenyl}propanoate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 20℃; for 1h;86%
methanol
67-56-1

methanol

Boc-Tyr-OH
3978-80-1

Boc-Tyr-OH

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide In dichloromethane at 25℃; for 7h; Inert atmosphere;85%
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide In dichloromethane for 21h;78%
With acetyl chloride for 0.75h; Reflux;71%
With ammonium cerium(IV) nitrate at 25℃;62%
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 7h;56%
methyl N-(tert-butoxycarbonyl)-O-[(trifluoromethyl)sulfonyl]-L-tyrosinate
112766-18-4

methyl N-(tert-butoxycarbonyl)-O-[(trifluoromethyl)sulfonyl]-L-tyrosinate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; carbon monoxide; palladium diacetate; potassium carbonate In N,N-dimethyl-formamide at 70℃; for 5h; Reagent/catalyst;84.7%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

L-tyrosine methyl ester hydrochloride

L-tyrosine methyl ester hydrochloride

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: L-tyrosine methyl ester hydrochloride With potassium hydrogencarbonate In water at 20℃; for 1.5h;
Stage #2: di-tert-butyl dicarbonate In water; acetone at 20℃; for 0.5h;
84%
4-Iodophenol
540-38-5

4-Iodophenol

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With iodine; zinc In N,N-dimethyl-formamide at 20℃; Inert atmosphere;
Stage #2: p-Iodophenol With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0) In N,N-dimethyl-formamide at 20℃; Negishi coupling; Inert atmosphere;
82%
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With chloro-trimethyl-silane; zinc In N,N-dimethyl-formamide at 20℃; for 0.0833333h;
Stage #2: p-Iodophenol With tris-(o-tolyl)phosphine; tris(dibenzylideneacetone)dipalladium (0) In N,N-dimethyl-formamide at 20℃; Further stages.;
106 mg
C20H29NO7
1187581-89-0

C20H29NO7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With bismuth(III) bromide; water In acetonitrile at 65℃; for 12h;82%
tert-butyl (2,4-dioxo-3-azaspiro[5,5]undecan-3-yl) carbonate

tert-butyl (2,4-dioxo-3-azaspiro[5,5]undecan-3-yl) carbonate

L-tyrosine methyl ester HCl
3417-91-2

L-tyrosine methyl ester HCl

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at 38 - 40℃;82%
L-tyrosine methyl ester HCl
3417-91-2

L-tyrosine methyl ester HCl

1-(tert-butoxy)-2-(tert-butoxy)carbonyl-1,2-dihydroisoquinoline
404586-94-3

1-(tert-butoxy)-2-(tert-butoxy)carbonyl-1,2-dihydroisoquinoline

A

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

B

(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-(4-((tert-butoxycarbonyl)oxy)-2-methoxyphenyl)propanoate

(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-(4-((tert-butoxycarbonyl)oxy)-2-methoxyphenyl)propanoate

Conditions
ConditionsYield
In 1,2-dimethoxyethane at 20℃;A 76%
B n/a
3,6-di(2'-pyridyl)-1,2,4,5-tetrazine
1671-87-0

3,6-di(2'-pyridyl)-1,2,4,5-tetrazine

O-vinyl-N-(tert-butoxycarbonyl)-L-tyrosine methyl ester

O-vinyl-N-(tert-butoxycarbonyl)-L-tyrosine methyl ester

A

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

B

3,6-di(pyridin-2'-yl)-s-tetrazine
36901-11-8

3,6-di(pyridin-2'-yl)-s-tetrazine

Conditions
ConditionsYield
In dichloromethane at 20℃; for 72h; Inert atmosphere;A 68%
B 65%
N-(tert-butoxycarbonyl)-4-iodo-L-phenylalanine methyl ester
113850-76-3

N-(tert-butoxycarbonyl)-4-iodo-L-phenylalanine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With oxygen; triethylamine In acetonitrile at 32℃; for 24h; Schlenk technique; UV-irradiation;58%
4-bromo-phenol
106-41-2

4-bromo-phenol

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With iodine; zinc In N,N-dimethyl-formamide at 20℃; Inert atmosphere;
Stage #2: 4-bromo-phenol With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0) In N,N-dimethyl-formamide at 50℃; for 3h; Negishi coupling; Inert atmosphere;
51%
Stage #1: N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With iodine; zinc In N,N-dimethyl-formamide for 0.0833333h;
Stage #2: 4-bromo-phenol With tris-(o-tolyl)phosphine; palladium diacetate In N,N-dimethyl-formamide at 50℃; for 2h; Negishi cross-coupling; Further stages.;
23%
4-Iodophenol
540-38-5

4-Iodophenol

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

A

(2S,5S)-2,5-bis-tert-butoxycarbonylaminohexane-1,6-dioic acid dimethyl ester
915040-50-5

(2S,5S)-2,5-bis-tert-butoxycarbonylaminohexane-1,6-dioic acid dimethyl ester

B

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; dichloro bis((p-dimethylaminophenyl)-ϖ-di-tert-butylphosphine)palladium(II); zinc In water at 65℃; for 4h; Negishi coupling reaction; Inert atmosphere;A n/a
B 35%
N-(tert-butyloxycarbonyl) azide
1070-19-5

N-(tert-butyloxycarbonyl) azide

L-Tyr-OMe
1080-06-4

L-Tyr-OMe

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With pyridine
N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester
27513-44-6

N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol at 20℃; for 2h; Hydrogenolysis;
With pyridine; hydrogen; palladium on activated charcoal In methanol at 20℃; Product distribution; Further Variations:; Reagents; time, other benzyl ethers;
4-(4-benzyloxyphenyl) iodide
19578-68-8

4-(4-benzyloxyphenyl) iodide

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester
93267-04-0

N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester

A

(S)-N-(tert-butoxycarbonyl)alanine methyl ester
28875-17-4

(S)-N-(tert-butoxycarbonyl)alanine methyl ester

B

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Stage #1: 4-(4-benzyloxyphenyl) iodide; N-(tert-butoxycarbonyl)-L-3-iodoalanine methyl ester With dichlorobis(tri-O-tolylphosphine)palladium; zinc In tetrahydrofuran; N,N-dimethyl acetamide at 60℃; for 3h; Condensation;
Stage #2: With hydrogen; palladium on activated charcoal In tetrahydrofuran at 20℃; for 21h; Hydrogenolysis;
A n/a
B 1.80 g
(S)-methyl 3-(4-acetoxyphenyl)-2-(tert-butoxycarbonylamino)propanoate

(S)-methyl 3-(4-acetoxyphenyl)-2-(tert-butoxycarbonylamino)propanoate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
natural kaolinitic clay In methanol at 25℃; for 0.5h;
L-tyrosine
60-18-4

L-tyrosine

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / SOCl2
2: 85 percent / Et3N
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride / 20 h / Heating
2: triethylamine / methanol / 17 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride / 0 - 20 °C / Inert atmosphere
2: sodium hydrogencarbonate / tetrahydrofuran; methanol / 20 °C / Inert atmosphere
View Scheme
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 86 percent / hexane / 8 h / 20 °C
2: 76 percent / 1,2-dimethoxy-ethane / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 92 percent / benzene / 6 h / 20 °C
2: 76 percent / 1,2-dimethoxy-ethane / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 9.8 g / Et3N / H2O; dioxane / 0 deg C, 30 min; 25 deg C, 24 h
2: 85 percent / NaHCO3 / dimethylformamide / 20 h / 25 °C
View Scheme
(benzyloxy)benzene
946-80-5

(benzyloxy)benzene

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 96 percent / HgO; I2 / CH2Cl2 / 26 h / 20 °C
2.1: Zn; PdCl2[P(o-tol)3]2 / tetrahydrofuran; N,N-dimethyl-acetamide / 3 h / 60 °C
2.2: 1.80 g / H2 / Pd/C / tetrahydrofuran / 21 h / 20 °C
View Scheme
O-benzyl-N-tert-butoxycarbonyl-L-tyrosine
2130-96-3

O-benzyl-N-tert-butoxycarbonyl-L-tyrosine

poly<4-(1-hydroxybenzotriazol-6-yl)methylstyrene

poly<4-(1-hydroxybenzotriazol-6-yl)methylstyrene

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / dimethylformamide / 15 h / 20 °C
2: H2 / Pd/C / methanol / 2 h / 20 °C
View Scheme
L-tyrosine
60-18-4

L-tyrosine

2-halogen-ethanol-(1)

2-halogen-ethanol-(1)

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: conc. HCl / 24 h / Ambient temperature
2: 93 percent / NaHCO3 / CH2Cl2 / 2 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 9.8 g / Et3N / H2O; dioxane / 0 deg C, 30 min; 25 deg C, 24 h
2: 85 percent / NaHCO3 / dimethylformamide / 20 h / 25 °C
View Scheme
L-tyrosine
60-18-4

L-tyrosine

KOH-solution

KOH-solution

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 100 percent / 3A sieves, HCl (gas) / 2.5 h / Heating
2: 100 percent / TEA / dimethylformamide / 0.5 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1: 95 percent / HCl (gas) / 2 h / 25 °C
2: 72 percent / tetrahydrofuran / 2 h / 25 °C
View Scheme
L-tyrosine methyl ester HCl
3417-91-2

L-tyrosine methyl ester HCl

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

methyl N-(tert-butoxycarbonyl)-O-[(trifluoromethyl)sulfonyl]-L-tyrosinate
112766-18-4

methyl N-(tert-butoxycarbonyl)-O-[(trifluoromethyl)sulfonyl]-L-tyrosinate

Conditions
ConditionsYield
With pyridine In dichloromethane at 0 - 5℃; for 2.5h;100%
With 2,6-dimethylpyridine In dichloromethane at 0℃;99%
With 4-methyl-morpholine In dichloromethane at -15 - -5℃; for 2.16667h;98%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

benzyl bromide
100-39-0

benzyl bromide

N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester
27513-44-6

N-tert-butoxycarbonyl-O-benzyl-(S)-tyrosine methyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetone for 4h; Heating;100%
With potassium carbonate In acetone for 24h; Heating;99%
With potassium carbonate; potassium iodide In acetone Reflux;99%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

[[6-bromo-7-(methoxymethoxy)coumarin-4-yl]methoxy]carbonyl chloride
640721-03-5

[[6-bromo-7-(methoxymethoxy)coumarin-4-yl]methoxy]carbonyl chloride

O-[[[6-bromo-7-(methoxymethoxy)coumarin-4-yl]methoxy]carbonyl]-N-tert-butoxycarbonyl-L-tyrosine methyl ester
640721-07-9

O-[[[6-bromo-7-(methoxymethoxy)coumarin-4-yl]methoxy]carbonyl]-N-tert-butoxycarbonyl-L-tyrosine methyl ester

Conditions
ConditionsYield
With dmap In acetonitrile at 20℃; for 0.25h;100%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

3-(tert-butyldimethylsilyloxy)propyl bromide
89031-84-5

3-(tert-butyldimethylsilyloxy)propyl bromide

(S)-methyl 2-(tert-butoxycarbonylamino)-3-(4-(3-(tert-butyldimethylsilyloxy)propoxy)-phenyl)propanoate
850655-19-5

(S)-methyl 2-(tert-butoxycarbonylamino)-3-(4-(3-(tert-butyldimethylsilyloxy)propoxy)-phenyl)propanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20 - 80℃; for 19h;100%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

1-bromoacetone
598-31-2

1-bromoacetone

N-(tert-Butyloxycarbonyl)-O-(2-oxopropyl)-L-tyrosine methyl ester
170124-00-2

N-(tert-Butyloxycarbonyl)-O-(2-oxopropyl)-L-tyrosine methyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetone Reflux;100%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

1-Bromo-2-butyne
3355-28-0

1-Bromo-2-butyne

methyl (S)-2-tert-butoxycarbonylamino-3-(4-but-2-ynyloxy-phenyl)-propionate

methyl (S)-2-tert-butoxycarbonylamino-3-(4-but-2-ynyloxy-phenyl)-propionate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 19h; Inert atmosphere;100%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;30%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 19h;
4-(bromomethyl)-2-fluoropyridine
64992-03-6

4-(bromomethyl)-2-fluoropyridine

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

methyl (S)-2-[(tert-butoxycarbonyl)amino]-3-{4-[(2-fluoropyridin-4-yl)methoxy]phenyl}propanoate

methyl (S)-2-[(tert-butoxycarbonyl)amino]-3-{4-[(2-fluoropyridin-4-yl)methoxy]phenyl}propanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 17h; Williamson Ether Synthesis; Inert atmosphere;100%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

1-bromomethyl-3-chlorobenzene
766-80-3

1-bromomethyl-3-chlorobenzene

(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-(4-((3-chlorobenzyl)oxy)phenyl)propanoate

(S)-methyl 2-((tert-butoxycarbonyl)amino)-3-(4-((3-chlorobenzyl)oxy)phenyl)propanoate

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 19h; Reflux;100%
ethyl bromide
74-96-4

ethyl bromide

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

O-ethyl-N-tert-butoxycarbonyl-L-tyrosine methyl ester
92507-32-9

O-ethyl-N-tert-butoxycarbonyl-L-tyrosine methyl ester

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 30℃; for 5h; Large scale;99.7%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-((tert-butyldimethylsilyl)-oxy)phenyl)propanoate
112196-57-3

methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-((tert-butyldimethylsilyl)-oxy)phenyl)propanoate

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 6h;99%
With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 2.5h; Inert atmosphere;99%
With 1H-imidazole In N,N-dimethyl-formamide at 25℃; for 6h;93%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

allyl bromide
106-95-6

allyl bromide

methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate
147363-23-3

methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[4-(prop-2-en-1-yloxy)phenyl]-propanoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 20h;99%
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h;98%
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h;95%
(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester
4326-36-7

(S)-N-(tert-butoxycarbonyl)tyrosine methyl ester

N-(tert-butyloxycarbonyl)-L-tyrosinol
83345-46-4

N-(tert-butyloxycarbonyl)-L-tyrosinol

Conditions
ConditionsYield
With sodium tetrahydroborate; calcium chloride99%
With sodium tetrahydroborate In methanol93%
With sodium tetrahydroborate; lithium chloride In tetrahydrofuran for 72h; Heating;73%
With lithium aluminium tetrahydride In tetrahydrofuran at 5 - 10℃; for 96h;70%
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 12h; Reflux; Inert atmosphere;69.6%

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