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
Cas:13139-15-6
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:13139-15-6
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryUnique 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
Cas:13139-15-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHebei 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
Cas:13139-15-6
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Manufacturers
inquiryhigh 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
Cas:13139-15-6
Min.Order:1 Kilogram
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Type:Manufacturers
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
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
Cas:13139-15-6
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryMelting 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
Cas:13139-15-6
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiryOur 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
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:13139-15-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:13139-15-6
Min.Order:10 Kilogram
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Type:Trading Company
inquiry1. 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
Cas:13139-15-6
Min.Order:1 Kilogram
FOB Price: $85.0 / 99.0
Type:Trading Company
inquiryProduct 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
Cas:13139-15-6
Min.Order:1 Kilogram
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Type:Other
inquiry1. 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
Cas:13139-15-6
Min.Order:10 Gram
Negotiable
Type:Other
inquiryAppearance:White powder Storage:Sealed in dry,2-8°C Package:25kg/Barrel Application:APIs Transportation:Express/Sea/Air Port:Any port in China
Cas:13139-15-6
Min.Order:1 Metric Ton
Negotiable
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:13139-15-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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:13139-15-6
Min.Order:1 Kilogram
FOB Price: $46.0 / 50.0
Type:Trading Company
inquiryBOC-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
Cas:13139-15-6
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:13139-15-6
Min.Order:1 Kilogram
Negotiable
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:13139-15-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:13139-15-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany 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:13139-15-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:13139-15-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirymoderate 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
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
Cas:13139-15-6
Min.Order:0
Negotiable
Type:Other
inquiryProduct 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
Cas:13139-15-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct 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,
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,
Conditions | Yield |
---|---|
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
A
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
1,2,2,2-Tetrachloroethyl tert-Butyl Carbonate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.75; | 95% |
L-leucine
O-(tert-butyl) S-(pyridin-2-yl)carbonothioate
A
2-Mercaptopyridine
B
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 12h; Ambient temperature; | A n/a B 95% |
L-leucine
tert-butyl pyridin-2-yl carbonate
A
2-hydroxypyridin
B
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 4h; Ambient temperature; | A n/a B 94% |
Boc-Leu-ONbn
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran Ambient temperature; | 94% |
(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
(N-hydroxy-5-norbornene-2,3-diformylimino)tert-butyl ester
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With tertiary amine In 1,4-dioxane; water for 3h; | 91% |
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With cerium(III) chloride; sodium iodide In acetonitrile for 1.5h; Heating; | 91% |
Boc-Leu-NHNHPh
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 25℃; for 15h; | 88% |
t-butyl (S)-2-tert-butoxycarbonylamino-4-methylpentanoate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
tert-butyl 2-oxo-1,3-oxazole-3(2H)-carboxylate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature; | 85% |
Conditions | Yield |
---|---|
With triethylamine In water Ambient temperature; | 75% |
Boc-Leu-ΔLeu-Gly-OMe
A
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis; | A n/a B 75% |
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With magnesium bromide In dichloromethane for 2.5h; Ambient temperature; addition at -20 deg C, 0.5 h; | 71% |
Boc-Leu-ΔLeu-Val-OMe
A
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis; | A n/a B 40% |
A
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
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
L-leucine
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With 1,4-dioxane; magnesium oxide | |
With hydroxide | |
With N,N,N',N'-tetramethylguanidine In N,N-dimethyl-formamide |
L-leucine
tert-Butyl 4-nitrophenyl carbonate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium hydroxide; tert-butyl alcohol |
L-leucine
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane |
tert-butyl (quinolin-8-yl)carbonate
L-leucine
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane |
L-leucine
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In tert-butyl alcohol |
L-leucine
2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water Ambient temperature; | |
With triethylamine In 1,4-dioxane; water for 4h; Ambient temperature; |
L-leucine
2,4-Dinitrophenyl-tert.-butylcarbonat
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide |
L-Leucine ethyl ester
tert-butyl cyanoformate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
(i) hexane, (ii) aq. NaOH; Multistep reaction; |
piperidine
N-tert-butoxycarbonyl-L-leucine
(S)-tert-butyl 4-methyl-1-oxo-1-(piperidin-1-yl)pentan-2-ylcarbamate
Conditions | Yield |
---|---|
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
N-tert-butoxycarbonyl-L-leucine
Boc-Leu-ONSu
Conditions | Yield |
---|---|
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
N-tert-butoxycarbonyl-L-leucine
Nα-(tert-butoxycarbonyl)-L-leucine 2',2',2'-trichloroethyl ester
Conditions | Yield |
---|---|
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
N,O-dimethylhydroxylamine*hydrochloride
N-(tert-butoxycarbonyl)-L-leucine-N'-methoxy-N'-methylamide
Conditions | Yield |
---|---|
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 dichloromethane | 100% |
N-tert-butoxycarbonyl-L-leucine
(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
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 4℃; | 100% |
N-tert-butoxycarbonyl-L-leucine
(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane at 0℃; for 3h; Condensation; | 100% |
N-tert-butoxycarbonyl-L-leucine
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
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 5h; Acylation; | 100% |
N-tert-butoxycarbonyl-L-leucine
β-hydroxyphenylalanine methyl ester hydrochloride
Boc-L-Leu-DL-Phe(β-OH)-OMe
Conditions | Yield |
---|---|
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
4,6-O-di(tert-butyl)silanediyl-D-glucal
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane | 100% |
(S)-Pyrrolidine-2-carboxylic acid (3-carbamoyl-phenyl)-amide
N-tert-butoxycarbonyl-L-leucine
{(S)-1-[(S)-2-(3-Carbamoyl-phenylcarbamoyl)-pyrrolidine-1-carbonyl]-3-methyl-butyl}-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With 4-methyl-morpholine; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane; N,N-dimethyl-formamide | 100% |
N-tert-butoxycarbonyl-L-leucine
(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
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 2h; | 100% |
N-tert-butoxycarbonyl-L-leucine
ethyl 2-(benzylamino)acetate
(3S)-1-benzyl-3-isobutylpiperazine-2,5-dione
Conditions | Yield |
---|---|
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
L-leucine
Conditions | Yield |
---|---|
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
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-butoxycarbonyl-L-leucine
6-ethynyl-3,3-dimethoxyhexahydrofuro[3,2-b]pyrrole-4-carboxylic acid tert-butyl ester
C21H34N2O6
Conditions | Yield |
---|---|
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
N-tert-butoxycarbonyl-L-leucine
C62H115NO6
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; | 100% |
N-tert-butoxycarbonyl-L-leucine
3,5-di(docosyloxy)benzyl alcohol
C62H115NO6
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; | 100% |
N-tert-butoxycarbonyl-L-leucine
(3,4,5-trioctadecyloxyphenyl)methan-1-ol
C72H135NO7
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; | 100% |
N-tert-butoxycarbonyl-L-leucine
Propargylamine
tert-Butyl [(2S)-1-(thynylamino)-4-methyl-1-oxopentan-2-yl]carbamate
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 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
(R)-4-amino-2-methyl-1-butanol
[1-(4-hydroxy-3-methylbutylcarbamoyl)-3-methylbutyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
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
methyl 3-aminopropanoate hydrochloride
3-(2-tert-butoxycarbonylamino-4-methylpentanoylamino)-propionic acid methyl ester
Conditions | Yield |
---|---|
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
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 16h; | 100% |
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In tetrahydrofuran Cooling with ice; | 100% |
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