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
Cas:13139-16-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:13139-16-7
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inquiryUnique 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
Cas:13139-16-7
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Type:Trading Company
inquirySichuan 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
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
Cas:13139-16-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryWith 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
Cas:13139-16-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryHenan 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
Cas:13139-16-7
Min.Order:1 Gram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiry1.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
Cas:13139-16-7
Min.Order:1 Kilogram
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inquiryOur 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
Cas:13139-16-7
Min.Order:1 Kilogram
FOB Price: $40.0 / 45.0
Type:Trading Company
inquiryBOC-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
Cas:13139-16-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:13139-16-7
Min.Order:1 Kilogram
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inquiryPRODUCT DETAILS
Cas:13139-16-7
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryHenan 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:13139-16-7
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inquiryOur 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
Cas:13139-16-7
Min.Order:10 Kilogram
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Type:Trading Company
inquiryHangzhou 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
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
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
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
Cas:13139-16-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryThe 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
Cas:13139-16-7
Min.Order:0
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Type:Other
inquiryWe 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
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,
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
Cas:13139-16-7
Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryProduct 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
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
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
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
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
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
Cas:13139-16-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryL-isoleucine
di-tert-butyl dicarbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
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-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With trimethyltin(IV) hydroxide In 1,2-dichloro-ethane for 9h; Heating; | 100% |
N-(tert-butyloxycarbonyl) azide
L-isoleucine
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
In 1,4-dioxane; sodium hydroxide; water at 20℃; for 24h; | 95% |
With hydroxide | |
With triethylamine In water; N,N-dimethyl-formamide |
L-isoleucine
tert-butyl 2-oxo-1,3-oxazole-3(2H)-carboxylate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature; | 87% |
L-isoleucine
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With triethylamine In water Ambient temperature; | 80% |
L-isoleucine
1,2,2,2-Tetrachloroethyl tert-Butyl Carbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.5; | 71% |
L-isoleucine
tert-Butyl 4-nitrophenyl carbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With sodium hydroxide; tert-butyl alcohol |
L-isoleucine
tert-butyl fluoroformate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane |
L-isoleucine
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With triethylamine In tert-butyl alcohol |
t-butylpentachlorophenyl carbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With triethylamine In chloroform; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water for 4h; Ambient temperature; |
L-isoleucine
1-(t-butoxycarbonyl)-1,2,4-triazolo<4,3-a>pyridinium-3-olate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With pyridine; sodium hydroxide In acetone for 4h; Ambient temperature; |
L-isoleucine
tert-butyl α-methoxyvinyl carbonate
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With triethylamine 1.) dioxane, water, room temp., 30 min, 2.) 20 deg C, 7.5 h; Yield given. Multistep reaction; |
L-isoleucine
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With magnesium In methanol at 20℃; for 4h; |
di-tert-butyl dicarbonate
A
N-(tert-butyloxycarbonyl)-L-isoleucine
B
N-tert-butoxycarbonyl-D-alloisoleucine
Conditions | Yield |
---|---|
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
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
(S)-methyl 2-((2S,3S)-2-((tert-butoxycarbonyl)amino)-3-methylpentanamido)-3-phenylpropanoate
Conditions | Yield |
---|---|
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
N,O-dimethylhydroxylamine*hydrochloride
N-(tert-butoxycarbonyl)-L-isoleucine N'-methoxy-N'-methylamide
Conditions | Yield |
---|---|
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
N-trichloroacetoxyphthalimide
(2S,3S)-2-tert-Butoxycarbonylamino-3-methyl-pentanoic acid 1,3-dioxo-1,3-dihydro-isoindol-2-yl ester
Conditions | Yield |
---|---|
With pyridine In acetonitrile at 22 - 23℃; for 12h; further solvents; | 100% |
N-(tert-butyloxycarbonyl)-L-isoleucine
tert-butyl ((2S,3S)-1-amino-3-methyl-1-oxopentan-2-yl)carbamate
Conditions | Yield |
---|---|
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
N,0-dimethylhydroxylamine
N-(tert-butoxycarbonyl)-L-isoleucine N'-methoxy-N'-methylamide
Conditions | Yield |
---|---|
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 dichloromethane | 94% |
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran | 100% |
N-(tert-butyloxycarbonyl)-L-isoleucine
1-amino-2-propene
N-tert-butoxycarbonyl-isoleucine-allylamide
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
C65H82N4O14Si
Conditions | Yield |
---|---|
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
t-Boc-L-valine
N-(tert-butyloxycarbonyl)-L-isoleucine
N-tert-butoxycarbonyl-L-leucine
N-tert-butoxycarbonyl-L-phenylalanine
Boc-L-homophenylalanine
H-Hphe-Leu-Ile-Ile-Leu-Val-Pro-Pro-Phe-OH
Conditions | Yield |
---|---|
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
t-Boc-L-valine
N-(tert-butyloxycarbonyl)-L-isoleucine
N-tert-butoxycarbonyl-L-leucine
N-tert-butoxycarbonyl-L-phenylalanine
Boc-L-homophenylalanine
H-Ile-Ile-Leu-Val-Pro-Pro-Hphe-Hphe-Leu-OH
Conditions | Yield |
---|---|
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
Propargylamine
tert-butyl (2S,3S)-3-methyl-1-oxo-1-(prop-2-ynylamino)pentan-2-ylcarbamate
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
N-(tert-butoxycarbonyl)-L-isoleucinol
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
N-(tert-butyloxycarbonyl)-L-isoleucine piperidide
Conditions | Yield |
---|---|
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
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 99% |
1,2,3,6-tetrahydropyridine
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
N-Ethylmethylamine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
methyl-n-propylamine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
Cyclopentamine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
Boc-L-Ile-L-Ser(Bn)-OAll
Conditions | Yield |
---|---|
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine In dichloromethane at 0 - 20℃; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
4-fluorophenylhydrazine
2-amino-3-methylpentanoic acid N'-(4-fluorophenyl)hydrazide
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; for 1h; | 99% |
N-(tert-butyloxycarbonyl)-L-isoleucine
methyl 3-aminopropanoate hydrochloride
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide for 1h; | 99% |
diazomethane
N-(tert-butyloxycarbonyl)-L-isoleucine
N-(tert-butoxycarbonyl)isoleucine methyl ester
Conditions | Yield |
---|---|
In methanol; diethyl ether at 4℃; Methylation; | 98.5% |
In diethyl ether |
hexamethylene imine
N-(tert-butyloxycarbonyl)-L-isoleucine
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate In triethylamine; N,N-dimethyl-formamide Ambient temperature; | 98% |
N-(tert-butyloxycarbonyl)-L-isoleucine
1,1'-carbonyldiimidazole
(2S,3S)-2-[N-(tert-butoxycarbonyl)amino]-1-imidazol-1-yl-3-methylpentan-1-one
Conditions | Yield |
---|---|
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
L-isoleucine
Conditions | Yield |
---|---|
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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