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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Boc-L-Isoleucine

Cas:13139-16-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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-Ile-Oh supplier in China

Cas:13139-16-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to off-white powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:biochemical Transporta

Manufacturer high quality BOC-L-Isoleucine Cas 13139-16-7 with good price

Cas:13139-16-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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-Isoleucine

Cas:13139-16-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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 13139-16-7 with best quality

Cas:13139-16-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Boc-L-Isoleucine CAS 13139-16-7

Cas:13139-16-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - BOC-L-Isoleucine

Cas:13139-16-7

Min.Order:1 Gram

FOB Price: $1000.0

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-Isoleucine,N-[(1,1-dimethylethoxy)carbonyl]- 13139-16-7

Cas:13139-16-7

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-Isoleucine

Cas:13139-16-7

Min.Order:1 Kilogram

FOB Price: $40.0 / 45.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

BOC-L-Isoleucine CAS:13139-16-7 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 organic intermed

BOC-L-Isoleucine CAS:13139-16-7

Cas:13139-16-7

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-Isoleucine,N-[(1,1-dimethylethoxy)carbonyl]-

Cas:13139-16-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Original Largest Manufacturer sales BOC-L-ISOLEUCINE CAS 13139-16-7

Cas:13139-16-7

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

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-Isoleucine,N-[(1,1-dimethylethoxy)carbonyl]-

Cas:13139-16-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

TIANFU-CHEM - BOC-L-Isoleucine

Cas:13139-16-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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-Ile-OH

Cas:13139-16-7

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-L-ISOLEUCINE

Cas:13139-16-7

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

BOC-L-Isoleucine-OH

Cas:13139-16-7

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-Isoleucine

Cas:13139-16-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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-(tert-butoxycarbonyl)-L-isoleucine

Cas:13139-16-7

Min.Order:0

Negotiable

Type:Other

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:BOC-L-Isoleucine CAS No:13139-16-7 Syn

BOC-L-Isoleucine

Cas:13139-16-7

Min.Order:1 Gram

Negotiable

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-isoleucine

Cas:13139-16-7

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

BOC-L-Ile;N-(tert-Butoxycarbonyl)-L-isoleucine;Boc-L-isoleucine.99%

Cas:13139-16-7

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: BOC-L-Isoleucine CAS: 13139-16-7 MF: C11H21NO4 MW: 231.29 EINECS: 236-074-8 Mol File: 13139-16-7.mol BOC-L-Isoleucine Structure BOC-L-Isoleucine Chemical Properties Melting point 66-69 °C(lit.) alpha 2 &o

BOC-L-Isoleucine

Cas:13139-16-7

Min.Order:1 Gram

Negotiable

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-Ile-OH

Cas:13139-16-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

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-Ile-OH

Cas:13139-16-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-Ile-OH

Cas:13139-16-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Boc-Ile-OH.5H2O

Cas:13139-16-7

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-Isoleucine

Cas:13139-16-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Boc-Ile-OH

Cas:13139-16-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Product Name:BOC-L-ILe-OH Synonym:BOC-L-Isoleucine;N-Boc-L-isoleucine;N-(tert-Butoxycarbonyl)-L-isoleucine Hemihydrate;N-Boc-L-isoleucine Hemihydrate; (2S,3S)-3-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid;N-(tert-Butox

BOC-L-ILe-OH chian manufacture

Cas:13139-16-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

L-isoleucine
73-32-5

L-isoleucine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water at 20℃; for 24h;100%
Stage #1: L-isoleucine With sodium hydroxide In 1,4-dioxane; water at 0℃;
Stage #2: di-tert-butyl dicarbonate In 1,4-dioxane; water at 0 - 20℃;
100%
With sodium hydroxide In 1,4-dioxane; water at 0℃;100%
N-Boc-Ile-Merrifield resin

N-Boc-Ile-Merrifield resin

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With trimethyltin(IV) hydroxide In 1,2-dichloro-ethane for 9h; Heating;100%
N-(tert-butyloxycarbonyl) azide
1070-19-5

N-(tert-butyloxycarbonyl) azide

L-isoleucine
73-32-5

L-isoleucine

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
In 1,4-dioxane; sodium hydroxide; water at 20℃; for 24h;95%
With hydroxide
With triethylamine In water; N,N-dimethyl-formamide
L-isoleucine
73-32-5

L-isoleucine

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-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature;87%
L-isoleucine
73-32-5

L-isoleucine

dimethylsulfonium methylsulfate

dimethylsulfonium methylsulfate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine In water Ambient temperature;80%
L-isoleucine
73-32-5

L-isoleucine

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

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

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.5;71%
L-isoleucine
73-32-5

L-isoleucine

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

tert-Butyl 4-nitrophenyl carbonate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With sodium hydroxide; tert-butyl alcohol
L-isoleucine
73-32-5

L-isoleucine

tert-butyl fluoroformate
18595-34-1

tert-butyl fluoroformate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane
L-isoleucine
73-32-5

L-isoleucine

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

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

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine In tert-butyl alcohol
t-butylpentachlorophenyl carbonate
18942-25-1

t-butylpentachlorophenyl carbonate

L-isoleucine sodium salt

L-isoleucine sodium salt

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine In chloroform; N,N-dimethyl-formamide
L-isoleucine
73-32-5

L-isoleucine

2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile

2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane; water for 4h; Ambient temperature;
L-isoleucine
73-32-5

L-isoleucine

1-(t-butoxycarbonyl)-1,2,4-triazolo<4,3-a>pyridinium-3-olate
50739-44-1

1-(t-butoxycarbonyl)-1,2,4-triazolo<4,3-a>pyridinium-3-olate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With pyridine; sodium hydroxide In acetone for 4h; Ambient temperature;
L-isoleucine
73-32-5

L-isoleucine

tert-butyl α-methoxyvinyl carbonate
81616-10-6

tert-butyl α-methoxyvinyl carbonate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine 1.) dioxane, water, room temp., 30 min, 2.) 20 deg C, 7.5 h; Yield given. Multistep reaction;
L-isoleucine
73-32-5

L-isoleucine

2-((tert-butoxycarbonyloxy)imino)-2-phenylacetonitrile

2-((tert-butoxycarbonyloxy)imino)-2-phenylacetonitrile

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With triethylamine In water; acetone for 5h; Ambient temperature;
(S)-2,2-Dimethyl-4-((S)-1-methyl-prop-2-ynyl)-oxazolidine-3-carboxylic acid tert-butyl ester
160592-97-2

(S)-2,2-Dimethyl-4-((S)-1-methyl-prop-2-ynyl)-oxazolidine-3-carboxylic acid tert-butyl ester

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With dipyridinium dichromate; hydrogen; pyridinium p-toluenesulfonate; platinum(IV) oxide 1.) MeOH, 2.) EtOH, reflux, 3.) DMF; Yield given. Multistep reaction;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 80 percent / Et3N / acetonitrile / 5 h / 5 °C
2: 80 percent / Et3N / H2O / Ambient temperature
View Scheme
picolyl N-Boc-L-isoleucinate
1361400-96-5

picolyl N-Boc-L-isoleucinate

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

N-(tert-butyloxycarbonyl)-L-isoleucine

Conditions
ConditionsYield
With magnesium In methanol at 20℃; for 4h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

(2RS,3S)-2-amino-3-methylpentanoic acid

(2RS,3S)-2-amino-3-methylpentanoic acid

A

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

N-(tert-butyloxycarbonyl)-L-isoleucine

B

N-tert-butoxycarbonyl-D-alloisoleucine
13139-16-7, 35264-07-4, 55721-65-8, 55780-90-0, 116194-21-9

N-tert-butoxycarbonyl-D-alloisoleucine

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water at 0 - 22℃; pH=9 - 10; Overall yield = 88 %; Overall yield = 0.77 g; diastereoselective reaction;A n/a
B n/a
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
7524-50-7

methyl (2S)-2-amino-3-phenylpropanoate hydrochloride

(S)-methyl 2-((2S,3S)-2-((tert-butoxycarbonyl)amino)-3-methylpentanamido)-3-phenylpropanoate
97641-59-3

(S)-methyl 2-((2S,3S)-2-((tert-butoxycarbonyl)amino)-3-methylpentanamido)-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate at 20℃; for 0.166667h;
Stage #2: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride at 20℃; for 1h;
100%
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In acetonitrile at 0 - 20℃; for 2h;98%
Stage #1: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Inert atmosphere;
Stage #2: N-(tert-butyloxycarbonyl)-L-isoleucine With benzotriazol-1-ol In dichloromethane at 0℃; for 0.25h; Inert atmosphere;
Stage #3: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 12h; Inert atmosphere;
88%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

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

N,O-dimethylhydroxylamine*hydrochloride

N-(tert-butoxycarbonyl)-L-isoleucine N'-methoxy-N'-methylamide
87694-51-7

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

Conditions
ConditionsYield
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine 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-butyloxycarbonyl)-L-isoleucine 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 N,N-dimethyl-formamide for 2h;91%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-trichloroacetoxyphthalimide
91837-50-2

N-trichloroacetoxyphthalimide

(2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoic acid 1,3-dioxo-1,3-dihydro-isoindol-2-yl ester
72449-59-3

(2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoic acid 1,3-dioxo-1,3-dihydro-isoindol-2-yl ester

Conditions
ConditionsYield
With pyridine In acetonitrile at 22 - 23℃; for 12h; further solvents;100%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

tert-butyl ((2S,3S)-1-amino-3-methyl-1-oxopentan-2-yl)carbamate
94888-34-3

tert-butyl ((2S,3S)-1-amino-3-methyl-1-oxopentan-2-yl)carbamate

Conditions
ConditionsYield
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With 4-methyl-morpholine; isobutyl chloroformate In 1,2-dimethoxyethane at 0℃; for 0.0333333h;
Stage #2: With ammonia In 1,2-dimethoxyethane; water at 20℃; for 1h; Further stages.;
100%
With ammonium bicarbonate; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline In chloroform Ambient temperature;88%
With ammonium bicarbonate; N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline In chloroform at 20℃; for 12h;80%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N,0-dimethylhydroxylamine
1117-97-1

N,0-dimethylhydroxylamine

N-(tert-butoxycarbonyl)-L-isoleucine N'-methoxy-N'-methylamide
87694-51-7

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

Conditions
ConditionsYield
With 4-methyl-morpholine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at -15℃; for 1h;100%
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine; N,0-dimethylhydroxylamine With triethylamine at 0℃;
Stage #2: With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine
95%
With bis-(2-oxo-3-oxazolidinyl)phosphoryl chloride; triethylamine In dichloromethane94%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

Thr(Bn)-Leu-Trp-OMe trifluoroacetate

Thr(Bn)-Leu-Trp-OMe trifluoroacetate

Boc-Ile-Thr(Bn)-Leu-Trp-OMe

Boc-Ile-Thr(Bn)-Leu-Trp-OMe

Conditions
ConditionsYield
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran100%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

1-amino-2-propene
107-11-9

1-amino-2-propene

N-tert-butoxycarbonyl-isoleucine-allylamide
1009839-32-0

N-tert-butoxycarbonyl-isoleucine-allylamide

Conditions
ConditionsYield
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With 4-methyl-morpholine; isobutyl chloroformate In 1,2-dimethoxyethane at 0℃; for 0.0333333h;
Stage #2: 1-amino-2-propene In 1,2-dimethoxyethane; water at 20℃; for 1h; Further stages.;
100%
With benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide In dichloromethane; N,N-dimethyl-formamide at 25℃; for 20h;95%
(2S,3R)-3-(-3-{(R)-1-[(S)-amino(benzyloxycarbonylmethylcarbamoyl)methyl]-1-methylprop-2-ynyloxy}-4-benzyloxyphenyl)-2-(benzyloxycarbonylmethylamino)-3-(tert-butyldimethylsilanyloxy)propionic acid 4-methoxybenzyl ester
1013210-34-8

(2S,3R)-3-(-3-{(R)-1-[(S)-amino(benzyloxycarbonylmethylcarbamoyl)methyl]-1-methylprop-2-ynyloxy}-4-benzyloxyphenyl)-2-(benzyloxycarbonylmethylamino)-3-(tert-butyldimethylsilanyloxy)propionic acid 4-methoxybenzyl ester

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

N-(tert-butyloxycarbonyl)-L-isoleucine

C65H82N4O14Si
1013210-60-0

C65H82N4O14Si

Conditions
ConditionsYield
With sodium hydrogencarbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;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-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-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

Propargylamine
2450-71-7

Propargylamine

tert-butyl (2S,3S)-3-methyl-1-oxo-1-(prop-2-ynylamino)pentan-2-ylcarbamate
1268671-02-8

tert-butyl (2S,3S)-3-methyl-1-oxo-1-(prop-2-ynylamino)pentan-2-ylcarbamate

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 0 - 20℃; for 16h; Inert atmosphere;98%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-Me-Leu-OBzl p-toluenesulfonic acid salt

N-Me-Leu-OBzl p-toluenesulfonic acid salt

C25H40N2O5

C25H40N2O5

Conditions
ConditionsYield
With 1-hydroxy-7-aza-benzotriazole; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;100%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-(tert-butoxycarbonyl)-L-isoleucinol
141321-52-0, 141321-53-1, 141321-50-8, 106946-74-1

N-(tert-butoxycarbonyl)-L-isoleucinol

Conditions
ConditionsYield
With borane-THF In tetrahydrofuran at 0 - 20℃; for 5.83333h; Inert atmosphere;99%
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h;
Stage #2: With sodium tetrahydroborate; water In tetrahydrofuran at 0℃; for 0.5h;
90%
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at -15℃; for 0.0166667h;
Stage #2: With sodium tetrahydroborate In tetrahydrofuran; water at 15℃; for 0.00833333h; Further stages.;
84%
piperidine
110-89-4

piperidine

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

N-(tert-butyloxycarbonyl)-L-isoleucine

N-(tert-butyloxycarbonyl)-L-isoleucine piperidide
192821-18-4

N-(tert-butyloxycarbonyl)-L-isoleucine piperidide

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: piperidine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h;
96%
With dicyclohexyl-carbodiimide In dichloromethane at 23℃;71%
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With PS-carbodiimide; benzotriazol-1-ol In dichloromethane for 0.166667h;
Stage #2: piperidine In dichloromethane at 20℃;
3-Pyrroline
109-96-6

3-Pyrroline

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

N-(tert-butyloxycarbonyl)-L-isoleucine

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-3-pyrroline

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-3-pyrroline

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
1,2,3,6-tetrahydropyridine
694-05-3

1,2,3,6-tetrahydropyridine

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

N-(tert-butyloxycarbonyl)-L-isoleucine

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-1,2,5,6-tetrahydropyridine

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-1,2,5,6-tetrahydropyridine

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-Ethylmethylamine
624-78-2

N-Ethylmethylamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-N-ethyl-N-methylamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-N-ethyl-N-methylamine

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

methyl-n-propylamine
627-35-0

methyl-n-propylamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-N-methyl-N-propylamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]-N-methyl-N-propylamine

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

Cyclopentamine
1003-03-8

Cyclopentamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]cyclopentylamine

N-[N-(tert-butyloxycarbonyl)-L-isoleucyl]cyclopentylamine

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

O-benzyl-L-serine allyl ester hydrochloride

O-benzyl-L-serine allyl ester hydrochloride

Boc-L-Ile-L-Ser(Bn)-OAll
694527-70-3

Boc-L-Ile-L-Ser(Bn)-OAll

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine In dichloromethane at 0 - 20℃;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

4-fluorophenylhydrazine
371-14-2

4-fluorophenylhydrazine

2-amino-3-methylpentanoic acid N'-(4-fluorophenyl)hydrazide
1148105-78-5

2-amino-3-methylpentanoic acid N'-(4-fluorophenyl)hydrazide

Conditions
ConditionsYield
Stage #1: N-(tert-butyloxycarbonyl)-L-isoleucine With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 0℃; for 0.0833333h;
Stage #2: 4-fluorophenylhydrazine In N,N-dimethyl-formamide for 3h;
Stage #3: With sodium hydroxide; trifluoroacetic acid more than 3 stages;
99%
C17H20N2O4
923672-39-3

C17H20N2O4

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

N-(tert-butyloxycarbonyl)-L-isoleucine

C28H39N3O7
957475-42-2

C28H39N3O7

Conditions
ConditionsYield
With 2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 1h;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

beta-alanine methyl ester hydrochloride

beta-alanine methyl ester hydrochloride

methyl 3-((2S,3S)-2-(tert-butoxycarbonylamino)-3-methylpentanamido)propanoate

methyl 3-((2S,3S)-2-(tert-butoxycarbonylamino)-3-methylpentanamido)propanoate

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; for 1h;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

methyl 3-aminopropanoate hydrochloride
3196-73-4

methyl 3-aminopropanoate hydrochloride

methyl 3-((2S,3S)-2-(tert-butoxycarbonylamino)-3-methylpentanamido)propanoate

methyl 3-((2S,3S)-2-(tert-butoxycarbonylamino)-3-methylpentanamido)propanoate

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide for 1h;99%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

N-(tert-butoxycarbonyl)isoleucine methyl ester
17901-01-8

N-(tert-butoxycarbonyl)isoleucine methyl ester

Conditions
ConditionsYield
In methanol; diethyl ether at 4℃; Methylation;98.5%
In diethyl ether
hexamethylene imine
111-49-9

hexamethylene imine

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

N-(tert-butyloxycarbonyl)-L-isoleucine

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]hexamethyleneimine

1-[N-(tert-butyloxycarbonyl)-L-isoleucyl]hexamethyleneimine

Conditions
ConditionsYield
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature;98%
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

(2S,3S)-2-[N-(tert-butoxycarbonyl)amino]-1-imidazol-1-yl-3-methylpentan-1-one
214836-49-4

(2S,3S)-2-[N-(tert-butoxycarbonyl)amino]-1-imidazol-1-yl-3-methylpentan-1-one

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 0.5h; Substitution;98%
In tetrahydrofuran for 0.5h; Ambient temperature; Yield given;
In dichloromethane at 0℃; for 1h; Schlenk technique; Inert atmosphere;
In tetrahydrofuran at 20℃; for 2h;
N-(tert-butyloxycarbonyl)-L-isoleucine
13139-16-7

N-(tert-butyloxycarbonyl)-L-isoleucine

L-isoleucine
73-32-5

L-isoleucine

Conditions
ConditionsYield
With tetradecyl(trihexyl)phosphonium bistriflamide; trifluoroacetic acid at 130℃; for 0.166667h; Ionic liquid;98%
With trifluoroacetic acid at 20℃; for 0.25h;

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