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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Boc-L-Leucine Manufacturer/High quality/Best price/In stock

Cas:13139-15-6

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-Leucine supplier in China

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of BOC-L-Leucine Cas 13139-15-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:cool dry place Package:25kg/drum Application:biochemical Trans

Manufacturer high quality BOC-L-Leucine Cas 13139-15-6 with goo d price

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable

Boc-l-leucine

Cas:13139-15-6

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

N-(tert-Butoxycarbonyl)-L-leucine Monohydrate

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

SICHUAN TONGSHENG AMINOACID CO.LTD

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

Boc-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality BOC-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Melting point: 85-87 ° C (lit.) Boiling point: 356 ° C at 760 mmHg Specific rotation: -25 ° (C=2, AcOH) Flash point: 169.1 ° C Steam pressure: 4.98E-06mmHg at 25 ° C Storage conditions: Store below+30 ° C Appearance: Shiny Cry

BOC-L-Leucine 13139-15-6

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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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

Boc-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Factory direct supply CAS 13139-15-6 with best quality

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Hot Sell Factory Supply Raw Material BOC-L-Leucine CAS13139-15-6

Cas:13139-15-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ Fast decomposition, fast fertilizer effect ♦ Increase harvest yield and reduce production costs ♦ Various types of fertilizer to choose from ♦ Support human health 2. Factory advantages ♦ Pr

Boc-Leu-OH.H2O CAS13139-15-6

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $85.0 / 99.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name N-[(1,1-dimethylethoxy)carbonyl]-L-leucine Alias N-(tert-butoxycarbonyl)leucine; (2S)-2-[(tert-butoxycarbonyl)amino]-4-methylpentanoate; (2R)-2-[(tert-butoxycarbonyl)amino]-4-methylpent

N-[(1,1-dimethylethoxy)carbonyl]-L-leucine

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 13139-15-6 BOC-L-Leucine with best price

Cas:13139-15-6

Min.Order:10 Gram

Negotiable

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White powder Storage:Sealed in dry,2-8°C Package:25kg/Barrel Application:APIs Transportation:Express/Sea/Air Port:Any port in China

Factory supply Boc-L-Leucine

Cas:13139-15-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

L-Leucine,N-[(1,1-dimethylethoxy)carbonyl]- 13139-15-6

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

BOC-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

FOB Price: $46.0 / 50.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

BOC-L-Leucine CAS:13139-15-6 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 organic intermediat

BOC-L-Leucine CAS:13139-15-6

Cas:13139-15-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

L-Leucine,N-[(1,1-dimethylethoxy)carbonyl]-

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

L-Leucine,N-[(1,1-dimethylethoxy)carbonyl]-

Cas:13139-15-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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-Leu-OH.H2O

Cas:13139-15-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

BOC-LEU

Cas:13139-15-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

N-tert-Boc-leucine

Cas:13139-15-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

High quality Boc-L-Leucine

Cas:13139-15-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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-Leu-OH.H2O

Cas:13139-15-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

moderate price & quick delivery Appearance:White Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Protected amino acid with antimicrobia

BOC-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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 providing h

Factory Supply N-[(1,1-dimethylethoxy)carbonyl]-L-leucine

Cas:13139-15-6

Min.Order:0

Negotiable

Type:Other

inquiry

Siwei Development Group Ltd.

Product name: BOC-L-Leucine CAS No.: 13139-15-6 Molecule Formula:C11H20NO4 Molecule Weight:230.28 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TEST

Lower Price BOC-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

BOC-L-Leucine

Cas:13139-15-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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-leucine

Cas:13139-15-6

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

L-leucine
61-90-5

L-leucine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane at 25℃; for 23h;100%
With sodium hydroxide In 1,4-dioxane; water at 0℃;100%
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 19h;99%
Boc-L-Leu-(Z)-ΔLeu-L-Ala-OMe
108460-59-9

Boc-L-Leu-(Z)-ΔLeu-L-Ala-OMe

A

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

B

(S)-2-(4-Methyl-2-oxo-pentanoylamino)-propionic acid

(S)-2-(4-Methyl-2-oxo-pentanoylamino)-propionic acid

Conditions
ConditionsYield
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis;A n/a
B 100%
L-leucine
61-90-5

L-leucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In water; N,N-dimethyl-formamide for 4h; Ambient temperature;99%
With sodium hydroxide In 1,4-dioxane; water at 0 - 20℃; pH=8 - 9;89.1%
L-leucine
61-90-5

L-leucine

1,2,2,2-Tetrachloroethyl tert-Butyl Carbonate
98015-52-2

1,2,2,2-Tetrachloroethyl tert-Butyl Carbonate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.75;95%
L-leucine
61-90-5

L-leucine

O-(tert-butyl) S-(pyridin-2-yl)carbonothioate
105678-24-8

O-(tert-butyl) S-(pyridin-2-yl)carbonothioate

A

2-Mercaptopyridine
2637-34-5

2-Mercaptopyridine

B

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In water; N,N-dimethyl-formamide for 12h; Ambient temperature;A n/a
B 95%
L-leucine
61-90-5

L-leucine

tert-butyl pyridin-2-yl carbonate
89985-91-1

tert-butyl pyridin-2-yl carbonate

A

2-hydroxypyridin
142-08-5

2-hydroxypyridin

B

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In water; N,N-dimethyl-formamide for 4h; Ambient temperature;A n/a
B 94%
Boc-Leu-ONbn
77163-64-5

Boc-Leu-ONbn

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran Ambient temperature;94%
(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester
82010-31-9

(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; trichloroisocyanuric acid; sodium hydrogencarbonate; sodium bromide In water; acetone at 20℃; for 6h;92%
L-leucine
61-90-5

L-leucine

(N-hydroxy-5-norbornene-2,3-diformylimino)tert-butyl ester
64205-15-8

(N-hydroxy-5-norbornene-2,3-diformylimino)tert-butyl ester

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With tertiary amine In 1,4-dioxane; water for 3h;91%
2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 3-methyl-but-2-enyl ester

2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 3-methyl-but-2-enyl ester

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With cerium(III) chloride; sodium iodide In acetonitrile for 1.5h; Heating;91%
Boc-Leu-NHNHPh
17790-87-3

Boc-Leu-NHNHPh

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With oxygen In acetonitrile for 16h; tyrosinase, phosphate buffer pH 7;89%
With phosphate buffer; oxygen; tyrosinase In water; acetonitrile at 20℃; for 16h; pH=7.0;89%
L-leucine
61-90-5

L-leucine

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

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium carbonate In 1,4-dioxane; water at 25℃; for 15h;88%
t-butyl (S)-2-tert-butoxycarbonylamino-4-methylpentanoate
178432-61-6

t-butyl (S)-2-tert-butoxycarbonylamino-4-methylpentanoate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With cerium(III) chloride; sodium iodide In acetonitrile for 5h; Heating;87%
With water; iodine In acetonitrile for 6h; Heating;82%
With trifluoroacetic acid
L-leucine
61-90-5

L-leucine

tert-butyl 2-oxo-1,3-oxazole-3(2H)-carboxylate
75844-68-7

tert-butyl 2-oxo-1,3-oxazole-3(2H)-carboxylate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature;85%
L-leucine
61-90-5

L-leucine

dimethylsulfonium methylsulfate

dimethylsulfonium methylsulfate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In water Ambient temperature;75%
Boc-Leu-ΔLeu-Gly-OMe
193069-43-1

Boc-Leu-ΔLeu-Gly-OMe

A

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

B

(4-methyl-2-oxo-pentanoylamino)-acetic acid

(4-methyl-2-oxo-pentanoylamino)-acetic acid

Conditions
ConditionsYield
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis;A n/a
B 75%
(S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoic acid 2-trimethylsilanyl-ethoxymethyl ester

(S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoic acid 2-trimethylsilanyl-ethoxymethyl ester

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With magnesium bromide In dichloromethane for 2.5h; Ambient temperature; addition at -20 deg C, 0.5 h;71%
Boc-Leu-ΔLeu-Val-OMe
193069-44-2

Boc-Leu-ΔLeu-Val-OMe

A

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

B

(S)-3-Methyl-2-(4-methyl-2-oxo-pentanoylamino)-butyric acid

(S)-3-Methyl-2-(4-methyl-2-oxo-pentanoylamino)-butyric acid

Conditions
ConditionsYield
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis;A n/a
B 40%
Boc-Leu-ΔLeu-Leu-OMe

Boc-Leu-ΔLeu-Leu-OMe

A

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

B

(S)-4-Methyl-2-(4-methyl-2-oxo-pentanoylamino)-pentanoic acid

(S)-4-Methyl-2-(4-methyl-2-oxo-pentanoylamino)-pentanoic acid

Conditions
ConditionsYield
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis;A n/a
B 26%
N-(tert-butyloxycarbonyl) azide
1070-19-5

N-(tert-butyloxycarbonyl) azide

L-leucine
61-90-5

L-leucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With 1,4-dioxane; magnesium oxide
With hydroxide
With N,N,N',N'-tetramethylguanidine In N,N-dimethyl-formamide
L-leucine
61-90-5

L-leucine

tert-Butyl 4-nitrophenyl carbonate
13303-10-1

tert-Butyl 4-nitrophenyl carbonate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide; tert-butyl alcohol
Kohlensaeure-(2,2-dimethyl-propylester)-(N-hydroxysuccinimidester)

Kohlensaeure-(2,2-dimethyl-propylester)-(N-hydroxysuccinimidester)

L-leucine
61-90-5

L-leucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane
tert-butyl (quinolin-8-yl)carbonate
18595-55-6

tert-butyl (quinolin-8-yl)carbonate

L-leucine
61-90-5

L-leucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide
L-leucine
61-90-5

L-leucine

tert-butyl fluoroformate
18595-34-1

tert-butyl fluoroformate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane
L-leucine
61-90-5

L-leucine

1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
16965-08-5

1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In tert-butyl alcohol
L-leucine
61-90-5

L-leucine

2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
58632-95-4

2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane; water Ambient temperature;
With triethylamine In 1,4-dioxane; water for 4h; Ambient temperature;
L-leucine
61-90-5

L-leucine

2,4-Dinitrophenyl-tert.-butylcarbonat
53639-37-5

2,4-Dinitrophenyl-tert.-butylcarbonat

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide
L-Leucine ethyl ester
2743-60-4

L-Leucine ethyl ester

tert-butyl cyanoformate
57022-34-1

tert-butyl cyanoformate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Conditions
ConditionsYield
(i) hexane, (ii) aq. NaOH; Multistep reaction;
piperidine
110-89-4

piperidine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(S)-tert-butyl 4-methyl-1-oxo-1-(piperidin-1-yl)pentan-2-ylcarbamate
78664-62-7

(S)-tert-butyl 4-methyl-1-oxo-1-(piperidin-1-yl)pentan-2-ylcarbamate

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane for 1h;100%
With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran for 4h; Ambient temperature;90%
80%
1-hydroxy-pyrrolidine-2,5-dione
6066-82-6

1-hydroxy-pyrrolidine-2,5-dione

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Boc-Leu-ONSu
3392-09-4

Boc-Leu-ONSu

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 0 - 4℃;100%
With dicyclohexyl-carbodiimide In 1,4-dioxane Ambient temperature;93%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran; dichloromethane at 20℃; for 18h;93%
1,1,1-trichloroethanol
115-20-8

1,1,1-trichloroethanol

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Nα-(tert-butoxycarbonyl)-L-leucine 2',2',2'-trichloroethyl ester
162307-38-2

Nα-(tert-butoxycarbonyl)-L-leucine 2',2',2'-trichloroethyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In tetrachloromethane; dichloromethane for 3h;100%
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 18h; Ambient temperature;93%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

N-(tert-butoxycarbonyl)-L-leucine-N'-methoxy-N'-methylamide
87694-50-6

N-(tert-butoxycarbonyl)-L-leucine-N'-methoxy-N'-methylamide

Conditions
ConditionsYield
Stage #1: N-tert-butoxycarbonyl-L-leucine With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.25h; Inert atmosphere;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride With 4-methyl-morpholine In dichloromethane at 0 - 25℃; for 14h; Inert atmosphere;
100%
Stage #1: N-tert-butoxycarbonyl-L-leucine With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.25h; Inert atmosphere;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride With 4-methyl-morpholine In dichloromethane at 25℃; for 14h; Inert atmosphere;
100%
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(S)-2-Amino-1-(4-benzyl-piperidin-1-yl)-3-methyl-butan-1-one; hydrochloride
118792-26-0

(S)-2-Amino-1-(4-benzyl-piperidin-1-yl)-3-methyl-butan-1-one; hydrochloride

{(S)-1-[(S)-1-(4-Benzyl-piperidine-1-carbonyl)-2-methyl-propylcarbamoyl]-3-methyl-butyl}-carbamic acid tert-butyl ester
118792-33-9

{(S)-1-[(S)-1-(4-Benzyl-piperidine-1-carbonyl)-2-methyl-propylcarbamoyl]-3-methyl-butyl}-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 4℃;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester
82010-31-9

(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester

Conditions
ConditionsYield
With borane-THF In tetrahydrofuran 1.) 0 deg C, 1 h; 2.) RT; 3.) 0 deg C, 1 h;100%
Stage #1: N-tert-butoxycarbonyl-L-leucine With 4-methyl-morpholine; tert-butyl chloroformate In 1,2-dimethoxyethane
Stage #2: With sodium tetrahydroborate In 1,2-dimethoxyethane; water at -15℃; Further stages.;
96%
With borane-THF In tetrahydrofuran for 1h; Ambient temperature;91%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride
3945-69-5

4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride

2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 4,6-dimethoxy-[1,3,5]triazin-2-yl ester
345911-00-4

2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 4,6-dimethoxy-[1,3,5]triazin-2-yl ester

Conditions
ConditionsYield
In 1,2-dimethoxyethane at 0℃; for 3h; Condensation;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

3-(2'-Hydroxy-5'-benzyloxy-4',6'-dimethylphenyl)-3,3-dimethyl-1-propanol
157547-47-2

3-(2'-Hydroxy-5'-benzyloxy-4',6'-dimethylphenyl)-3,3-dimethyl-1-propanol

2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 3-(3-benzyloxy-6-hydroxy-2,4-dimethyl-phenyl)-3-methyl-butyl ester
264888-34-8

2-tert-butoxycarbonylamino-4-methyl-pentanoic acid 3-(3-benzyloxy-6-hydroxy-2,4-dimethyl-phenyl)-3-methyl-butyl ester

Conditions
ConditionsYield
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 5h; Acylation;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

β-hydroxyphenylalanine methyl ester hydrochloride
80182-99-6

β-hydroxyphenylalanine methyl ester hydrochloride

Boc-L-Leu-DL-Phe(β-OH)-OMe
896735-84-5

Boc-L-Leu-DL-Phe(β-OH)-OMe

Conditions
ConditionsYield
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h;100%
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 20℃;
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

4,6-O-di(tert-butyl)silanediyl-D-glucal
191593-14-3

4,6-O-di(tert-butyl)silanediyl-D-glucal

3-O-(N-tert-butoxycarbonyl-L-leucyl)-4,6-O-di-tert-butylsilanediyl-D-glucal

3-O-(N-tert-butoxycarbonyl-L-leucyl)-4,6-O-di-tert-butylsilanediyl-D-glucal

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane100%
(S)-Pyrrolidine-2-carboxylic acid (3-carbamoyl-phenyl)-amide
1006030-39-2

(S)-Pyrrolidine-2-carboxylic acid (3-carbamoyl-phenyl)-amide

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

{(S)-1-[(S)-2-(3-Carbamoyl-phenylcarbamoyl)-pyrrolidine-1-carbonyl]-3-methyl-butyl}-carbamic acid tert-butyl ester
886847-55-8

{(S)-1-[(S)-2-(3-Carbamoyl-phenylcarbamoyl)-pyrrolidine-1-carbonyl]-3-methyl-butyl}-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With 4-methyl-morpholine; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane; N,N-dimethyl-formamide100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(3S,4R)-1-[(tert-butyldimethylsilyl)oxy]-4-methylhex-5-en-3-ol
168777-81-9

(3S,4R)-1-[(tert-butyldimethylsilyl)oxy]-4-methylhex-5-en-3-ol

(1S,2R)-1-[2-(tert-butyldimethylsilanyloxy)ethyl]-2-(methyl)but-3-enyl (2S)-2-tert-butoxycarbonylamino-4-methylpentanoate
916452-48-7

(1S,2R)-1-[2-(tert-butyldimethylsilanyloxy)ethyl]-2-(methyl)but-3-enyl (2S)-2-tert-butoxycarbonylamino-4-methylpentanoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 2h;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

ethyl 2-(benzylamino)acetate
6436-90-4

ethyl 2-(benzylamino)acetate

(3S)-1-benzyl-3-isobutylpiperazine-2,5-dione
502482-25-9

(3S)-1-benzyl-3-isobutylpiperazine-2,5-dione

Conditions
ConditionsYield
Stage #1: N-tert-butoxycarbonyl-L-leucine; ethyl 2-(benzylamino)acetate With dicyclohexyl-carbodiimide In dichloromethane at 0 - 25℃; for 3.25h;
Stage #2: With hydrogenchloride In dichloromethane for 4h;
100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

L-leucine
61-90-5

L-leucine

Conditions
ConditionsYield
With water at 170℃; for 0.05h; Microwave irradiation;100%
With tetradecyl(trihexyl)phosphonium bistriflamide; trifluoroacetic acid at 130℃; for 0.166667h; Ionic liquid;98%
Multi-step reaction with 3 steps
1: (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate
2: trifluoroacetic acid
3: E. coli BL21 Star (DE3) S30 extract / aq. buffer / 6 h / 37 °C / pH 7.5
View Scheme
Multi-step reaction with 3 steps
1: (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate
2: trifluoroacetic acid
3: E. coli BL21 Star (DE3) S30 extract / aq. buffer / 6 h / 37 °C / pH 7.5
View Scheme
With trifluoroacetic acid In dichloromethane at 0 - 20℃; for 2h;
1-(tert-butoxycarbonyl)-L-proline
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

t-Boc-L-valine
13734-41-3

t-Boc-L-valine

N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

N-tert-butoxycarbonyl-L-phenylalanine
13734-34-4

N-tert-butoxycarbonyl-L-phenylalanine

H-Hphe-Leu-Ile-Ile-Leu-Val-Pro-Pro-Phe-OH
1187223-35-3

H-Hphe-Leu-Ile-Ile-Leu-Val-Pro-Pro-Phe-OH

Conditions
ConditionsYield
Stage #1: Boc-L-homophenylalanine solid phase reaction;
Stage #2: With trifluoroacetic acid In dichloromethane solid phase reaction;
Stage #3: 1-(tert-butoxycarbonyl)-L-proline; t-Boc-L-valine; N-(tert-butyloxycarbonyl)-L-isoleucine; N-tert-butoxycarbonyl-L-leucine; N-tert-butoxycarbonyl-L-phenylalanine Further stages;
100%
1-(tert-butoxycarbonyl)-L-proline
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

t-Boc-L-valine
13734-41-3

t-Boc-L-valine

N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

N-tert-butoxycarbonyl-L-phenylalanine
13734-34-4

N-tert-butoxycarbonyl-L-phenylalanine

H-Ile-Ile-Leu-Val-Pro-Pro-Hphe-Hphe-Leu-OH
1187223-36-4

H-Ile-Ile-Leu-Val-Pro-Pro-Hphe-Hphe-Leu-OH

Conditions
ConditionsYield
Stage #1: N-tert-butoxycarbonyl-L-leucine solid phase reaction;
Stage #2: With trifluoroacetic acid In dichloromethane solid phase reaction;
Stage #3: 1-(tert-butoxycarbonyl)-L-proline; t-Boc-L-valine; N-(tert-butyloxycarbonyl)-L-isoleucine; N-tert-butoxycarbonyl-L-phenylalanine; Boc-L-homophenylalanine Further stages;
100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

6-ethynyl-3,3-dimethoxyhexahydrofuro[3,2-b]pyrrole-4-carboxylic acid tert-butyl ester
1219603-58-3

6-ethynyl-3,3-dimethoxyhexahydrofuro[3,2-b]pyrrole-4-carboxylic acid tert-butyl ester

C21H34N2O6
1219603-61-8

C21H34N2O6

Conditions
ConditionsYield
Stage #1: 6-ethynyl-3,3-dimethoxyhexahydrofuro[3,2-b]pyrrole-4-carboxylic acid tert-butyl ester With methanol; acetyl chloride at 20℃; Cooling in ice;
Stage #2: N-tert-butoxycarbonyl-L-leucine With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 0 - 20℃; for 3.25h;
100%
2,4-bis(docosyloxy)benzyl alcohol
931120-51-3

2,4-bis(docosyloxy)benzyl alcohol

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

C62H115NO6
1258442-24-8

C62H115NO6

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

3,5-di(docosyloxy)benzyl alcohol
955095-32-6

3,5-di(docosyloxy)benzyl alcohol

C62H115NO6
1258442-25-9

C62H115NO6

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(3,4,5-trioctadecyloxyphenyl)methan-1-ol
233281-31-7

(3,4,5-trioctadecyloxyphenyl)methan-1-ol

C72H135NO7
1258442-23-7

C72H135NO7

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Propargylamine
2450-71-7

Propargylamine

tert-Butyl [(2S)-1-(thynylamino)-4-methyl-1-oxopentan-2-yl]carbamate
1268671-03-9

tert-Butyl [(2S)-1-(thynylamino)-4-methyl-1-oxopentan-2-yl]carbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane for 2h; Inert atmosphere; Reflux;100%
With benzotriazol-1-ol; diisopropyl-carbodiimide In dichloromethane at 20℃; for 2h;90%
Stage #1: N-tert-butoxycarbonyl-L-leucine With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dichloromethane for 0.166667h; Cooling with ice;
Stage #2: Propargylamine With triethylamine In dichloromethane at 20℃; for 24h;
82%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(R)-4-amino-2-methyl-1-butanol
44565-27-7, 44565-28-8, 64070-19-5, 88390-32-3

(R)-4-amino-2-methyl-1-butanol

[1-(4-hydroxy-3-methylbutylcarbamoyl)-3-methylbutyl]-carbamic acid tert-butyl ester
1265404-73-6

[1-(4-hydroxy-3-methylbutylcarbamoyl)-3-methylbutyl]-carbamic acid tert-butyl ester

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 2h; Inert atmosphere;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

methyl 3-aminopropanoate hydrochloride
3196-73-4

methyl 3-aminopropanoate hydrochloride

3-(2-tert-butoxycarbonylamino-4-methylpentanoylamino)-propionic acid methyl ester
1160927-49-0

3-(2-tert-butoxycarbonylamino-4-methylpentanoylamino)-propionic acid methyl ester

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 5h; Inert atmosphere;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

3-(1-[3-ammoniopropyl]-1H-indol-3-yl)-4-(3,4,5-trimethoxyphenyl)-maleinimide-chloride
1312545-25-7

3-(1-[3-ammoniopropyl]-1H-indol-3-yl)-4-(3,4,5-trimethoxyphenyl)-maleinimide-chloride

tert-butyl 1-(3-(3-(2,5-dioxo-4-(3,4,5-trimethoxyphenyl)-2,5-dihydro-1H-pyrrol-3-yl)-1H-indol-1-yl)propylamino)-4-methyl-1-oxopentan-2-ylcarbamate
1383842-05-4

tert-butyl 1-(3-(3-(2,5-dioxo-4-(3,4,5-trimethoxyphenyl)-2,5-dihydro-1H-pyrrol-3-yl)-1H-indol-1-yl)propylamino)-4-methyl-1-oxopentan-2-ylcarbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 24h;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

2-methoxy-5-(2,3,4-trimethoxy-7-oxo-6,7-dihydro-5H-benzo[7]annulen-9-yl)benzenaminium chloride

2-methoxy-5-(2,3,4-trimethoxy-7-oxo-6,7-dihydro-5H-benzo[7]annulen-9-yl)benzenaminium chloride

tert-butyl 1-(5-(6,7-dihydro-2,3,4-trimethoxy-7-oxo-5H-benzo[7]annulen-9-yl)-2-methoxyphenylcarbamoyl)-3-methylbutylcarbamate

tert-butyl 1-(5-(6,7-dihydro-2,3,4-trimethoxy-7-oxo-5H-benzo[7]annulen-9-yl)-2-methoxyphenylcarbamoyl)-3-methylbutylcarbamate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

8,9-dihydro-5-(3-hydroxy-4-methoxyphenyl)-1,2,3-trimethoxybenzo[7]annulen-7-one

8,9-dihydro-5-(3-hydroxy-4-methoxyphenyl)-1,2,3-trimethoxybenzo[7]annulen-7-one

C32H41NO9

C32H41NO9

Conditions
ConditionsYield
With dmap; N-ethyl-N,N-diisopropylamine; 2,6-Dichlorobenzoyl chloride In dichloromethane at 0 - 20℃; for 6h; Inert atmosphere;100%
N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

(3S)-3-Amino-N-ethyl-2-hydroxy-4-phenylbutanamide hydrochloride

(3S)-3-Amino-N-ethyl-2-hydroxy-4-phenylbutanamide hydrochloride

tert-butyl ((2S)-1-((4-(ethylamino)-3-hydroxy-4-oxo-1-phenylbutan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)carbamate

tert-butyl ((2S)-1-((4-(ethylamino)-3-hydroxy-4-oxo-1-phenylbutan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)carbamate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h;100%
methyl Nω-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)-L-argininate

methyl Nω-((2,2,4,6,7-pentamethyl-2,3-dihydrobenzofuran-5-yl)sulfonyl)-L-argininate

N-tert-butoxycarbonyl-L-leucine
13139-15-6

N-tert-butoxycarbonyl-L-leucine

Boc-Leu-Arg(Pbf)-OMe

Boc-Leu-Arg(Pbf)-OMe

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In tetrahydrofuran Cooling with ice;100%

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