DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:13734-41-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White to almost white powder White powder Individual impurity
Cas:13734-41-3
Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
Type:Manufacturers
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:13734-41-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryManufacturer supply N-Boc-L-valine CAS 13734-41-3 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Fe
Cas:13734-41-3
Min.Order:10 Kilogram
FOB Price: $10.0
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
high quality Appearance:Colorless liquid 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:13734-41-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
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 providi
Cas:13734-41-3
Min.Order:1
Negotiable
Type:Other
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:13734-41-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:13734-41-3
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryWITH 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:13734-41-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct name N-(tert-Butoxy carbonyl)-L-valine Alias Boc-l-Val-OH; N-Boc-L-Valine; Boc-L-Valine; Boc-Val-OH; N-(tert-butoxycarbonyl)-L-valine; N-(tert-butoxycarbonyl)valine; N-(tert-butoxycarbonyl)-D-valine; (2S)-2-[(tert-buto
Cas:13734-41-3
Min.Order:1 Kilogram
FOB Price: $1.0
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:13734-41-3
Min.Order:10 Gram
Negotiable
Type:Other
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:13734-41-3
Min.Order:1 Kilogram
Negotiable
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:13734-41-3
Min.Order:1 Kilogram
FOB Price: $100.0 / 115.0
Type:Trading Company
inquiryN-Boc-L-valine CAS:13734-41-3 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 intermedi
Cas:13734-41-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:13734-41-3
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:13734-41-3
Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
Type:Lab/Research institutions
inquiryPRODUCT DETAILS
Cas:13734-41-3
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:13734-41-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: (S)-2-(Boc-amino)-3-methylbutyric acid Synonyms: T-BUTYLOXYCARBONYL-L-VALINE;(S)-2-(BOC-AMINO)PENTANOIC ACID;(s)-2-(boc-amino)-3-methylbutyric acid;N-(TERT-BUTOXYCARBONYL)-L-VALINE;N-T-BUTOXYCARBONYL-L-VALINE;N-T-BOC-L-VALINE;N-ALPH
Cas:13734-41-3
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
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
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
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
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
Cas:13734-41-3
Min.Order:1 Gram
Negotiable
Type:Other
inquiryZibo 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:13734-41-3
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:13734-41-3
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirymoderate price & quick delivery Appearance:white fine crystalline powder 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:Boc-L-Valine is used
Cas:13734-41-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name: BOC-L-Valine CAS No.: 13734-41-3 Molecule Formula:C10H18NO4 Molecule Weight:216.25 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard TEST
Cas:13734-41-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water | 100% |
With sodium hydroxide In 1,4-dioxane; water at 0℃; | 100% |
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 16h; | 100% |
Boc-Val-NHNHPh
t-Boc-L-valine
Conditions | Yield |
---|---|
With oxygen In acetonitrile for 16h; tyrosinase, phosphate buffer pH 7; | 99% |
With phosphate buffer; oxygen; tyrosinase In water; acetonitrile at 20℃; for 16h; pH=7.0; | 99% |
Boc-Val-O-t-Bu
t-Boc-L-valine
Conditions | Yield |
---|---|
With cerium(III) chloride; sodium iodide In acetonitrile for 6h; Heating; | 99% |
With water; iodine In acetonitrile for 5h; Heating; | 89% |
L-valine
2-t-butoxycarbonyloxy-3,6-diisopropylpyrazine
t-Boc-L-valine
Conditions | Yield |
---|---|
With triethylamine In water; acetonitrile for 24h; Ambient temperature; | 98% |
Conditions | Yield |
---|---|
In chloroform-d1 for 0.233333h; Photolysis; Inert atmosphere; | A 97% B n/a |
L-valine
tert-butyl pyridin-2-yl carbonate
A
2-hydroxypyridin
B
t-Boc-L-valine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 9h; Ambient temperature; | A n/a B 92% |
Conditions | Yield |
---|---|
Stage #1: L-valine With sodium hydroxide In tetrahydrofuran; water at 0 - 20℃; Stage #2: 2,2-dimethylpropanoic anhydride In tetrahydrofuran; water at 0 - 20℃; for 12h; | 90% |
((S)-1-benzylcarbamoyl-2-methyl-propyl)-carbamic acid tert-butyl ester
t-Boc-L-valine
Conditions | Yield |
---|---|
With formic acid; potassium hydroxide In ethanol at 70℃; for 1h; | 89% |
With hydrogen; palladium on activated charcoal |
N-tert-butoxycarbonyl-L-valine methyl ester
t-Boc-L-valine
Conditions | Yield |
---|---|
With lithium hydroxide In methanol for 8h; | 85% |
With water; lithium hydroxide In methanol for 4h; |
L-valine
tert-butyl 2-oxo-1,3-oxazole-3(2H)-carboxylate
t-Boc-L-valine
Conditions | Yield |
---|---|
With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature; | 84% |
N-(tert-butoxycarbonyl)valine 1,1-dimethylallyl ester
t-Boc-L-valine
Conditions | Yield |
---|---|
With 4-methyl-morpholine; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 25℃; | 84% |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.2; | 80% |
L-valine
O-(tert-butyl) S-(pyridin-2-yl)carbonothioate
A
2-Mercaptopyridine
B
t-Boc-L-valine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 12h; Ambient temperature; | A n/a B 80% |
Conditions | Yield |
---|---|
With triethylamine In water; acetone at 25℃; for 4.5h; | 70% |
L-valine
t-butyl S-3,6-diisopropylpyrazin-2-ylthiolcarbonate
t-Boc-L-valine
Conditions | Yield |
---|---|
With dmap; triethylamine In water; acetonitrile for 24h; Ambient temperature; | 63% |
Conditions | Yield |
---|---|
With sodium carbonate; tert-butyl alcohol |
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water | |
With triethylamine In water; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide |
L-valine
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
t-Boc-L-valine
t-butylpentachlorophenyl carbonate
sodium (S)-valinate
t-Boc-L-valine
Conditions | Yield |
---|---|
With triethylamine In chloroform; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With sodium hydroxide | |
With sodium hydroxide In 1,4-dioxane for 16h; Ambient temperature; | |
With magnesium oxide In diethyl ether; water |
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
L-valine
2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile
t-Boc-L-valine
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water for 4h; Ambient temperature; |
L-valine
1-(t-butoxycarbonyl)-1,2,4-triazolo<4,3-a>pyridinium-3-olate
t-Boc-L-valine
Conditions | Yield |
---|---|
With pyridine; sodium hydroxide In acetone for 3h; Ambient temperature; |
Conditions | Yield |
---|---|
With triethylamine 1.) dioxane, water, room temp., 30 min, 2.) 20 deg C, 5 h; Yield given. Multistep reaction; |
L-valine
t-Boc-L-valine
(S)-4-nitrophenyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate
A
4-nitro-phenol
B
t-Boc-L-valine
Conditions | Yield |
---|---|
With N+C5AlaHis2C16; phosphate buffer pH=7.47; In water at 15 - 40℃; Rate constant; Kinetics; Mechanism; enantioselectivity in ester hydrolysis; other micelle- and vesicle- catalysts; ΔH (excit.); ΔS (excit.); ΔG (excit.);; |
dicyclohexylammonium Boc-L-valinate
t-Boc-L-valine
Conditions | Yield |
---|---|
With sulfonic acid In ethyl acetate |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 0 - 23℃; Inert atmosphere; | 100% |
With sodium hydride In tetrahydrofuran at 20℃; for 24h; | 99% |
With sodium hydride In tetrahydrofuran at 0 - 20℃; | 98% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 72h; Inert atmosphere; Sealed tube; | 100% |
In tetrahydrofuran at 0 - 20℃; for 16h; | 72% |
With dicyclohexyl-carbodiimide In 1,2-dimethoxyethane at 5℃; for 6h; | 69.5% |
chlorosulfuric acid chloromethyl ester
t-Boc-L-valine
N-tert-butyloxycarbonyl-L-valine chloromethyl ester
Conditions | Yield |
---|---|
Stage #1: t-Boc-L-valine With tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate In dichloromethane; water at 0℃; for 0.166667h; Stage #2: chlorosulfuric acid chloromethyl ester In dichloromethane; water at 0 - 20℃; for 19.3333h; | 100% |
With tetra(n-butyl)ammonium hydrogensulfate; sodium carbonate In dichloromethane; water at 0 - 20℃; for 19.33h; | 100% |
Stage #1: t-Boc-L-valine With tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate In dichloromethane; water at 20℃; for 0.0833333h; Stage #2: chlorosulfuric acid chloromethyl ester In dichloromethane; water at 0 - 20℃; for 2h; | 99% |
t-Boc-L-valine
glycine ethyl ester hydrochloride
methyl 2-((2S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)acetate
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 100% |
With cyano-hydroxyimino-acetic acid 2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester; sodium hydrogencarbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water at 20℃; for 2h; optical yield given as %de; | 95% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 91% |
t-Boc-L-valine
methyl (2S)-2-amino-3-phenylpropanoate hydrochloride
N-tert-butoxycarbonyl-L-valyl-L-phenylalanine methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 24h; | 100% |
Stage #1: t-Boc-L-valine With 2,6-dimethylpyridine; 6-chloro-3-((dimethylamino)(dimethyliminio)methyl)-1H-benzo[d][1,2,3]triazol-3-ium-1-olatehexafluorophosphate(V); 6-chloro-1-hydroxybenzotriazole In dichloromethane; N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: methyl (2S)-2-amino-3-phenylpropanoate hydrochloride With 2,6-dimethylpyridine In dichloromethane; N,N-dimethyl-formamide | 97% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; acetonitrile at 20℃; for 3h; | 89% |
t-Boc-L-valine
L-isoleucine benzyl ester tosylate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In water; N,N-dimethyl-formamide for 16h; molar ratio: HOBt:Boc-Val-OH=1:10; | 100% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In 1,2-dichloro-ethane for 1h; Product distribution; Ambient temperature; other additives, other solvents; | 82% |
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; | 74% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 2h; |
t-Boc-L-valine
N,O-dimethylhydroxylamine*hydrochloride
tert-butyl (S)-1-(N-methoxy-N-methylcarbamoyl)-2-methylpropylcarbamate
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 4℃; | 100% |
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; | 100% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 100% |
t-Boc-L-valine
(S)-4-isopropyloxazolidine-2,5-dione
Conditions | Yield |
---|---|
With phosphorus trichloride In dichloromethane at 0℃; for 2h; | 100% |
With bis(trichloromethyl) carbonate; triethylamine In ethyl acetate for 3h; Ambient temperature; | 75% |
Multi-step reaction with 2 steps 1: 50 percent / N-ethyl,N'-(γ-dimethylaminopropyl)-carbodiimide*HCl, triethylamine*HCl / CH2Cl2 2: 90 percent / HCl / CH2Cl2 / 0 °C View Scheme |
t-Boc-L-valine
N-hydroxy-5-norbornene-2,3-dicarboximide
N-(t-butoxycarbonyl)-L-valine N-hydroxy-5-norbornene-2,3-dicarboximide ester
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide; acetonitrile 1.) 0 deg C, 1 h, 2.) RT, 4 h; | 100% |
With WSCD*HCl In N,N-dimethyl-formamide; acetonitrile at 0℃; for 1h; |
Conditions | Yield |
---|---|
With triethylamine In ethyl acetate at 0℃; for 0.5h; | 100% |
t-Boc-L-valine
methyl 2-amino-3-hydroxypropanoate hydrochloride
2-((S)-2-tert-Butoxycarbonylamino-3-methyl-butyrylamino)-3-hydroxy-propionic acid methyl ester
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile at 20℃; for 12.0833h; | 100% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile at 20℃; for 12h; | 100% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile at 20℃; for 12h; | 100% |
With triethylamine; isobutyl chloroformate 1) THF, -30 deg C, 30 min; 2) THF, -30 deg C --> rt, 6 h, rt, 12 h; Yield given. Multistep reaction; | |
Stage #1: t-Boc-L-valine With triethylamine; isobutyl chloroformate In tetrahydrofuran at -30℃; for 1h; Stage #2: methyl 2-amino-3-hydroxypropanoate hydrochloride In tetrahydrofuran at -30 - 20℃; Further stages.; |
t-Boc-L-valine
4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride
2-tert-butoxycarbonylamino-3-methyl-butyric acid 4,6-dimethoxy-[1,3,5]triazin-2-yl ester
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane at 0℃; for 3h; Condensation; | 100% |
t-Boc-L-valine
benzylamine
tert-butyl (S)-1-(benzylamino)-3-methyl-1-oxobutan-2-ylcarbamate
Conditions | Yield |
---|---|
100% | |
Stage #1: t-Boc-L-valine With chloroformic acid ethyl ester; triethylamine at 0℃; for 1h; Inert atmosphere; Stage #2: benzylamine at 0 - 20℃; for 2h; Inert atmosphere; | 92% |
Stage #1: t-Boc-L-valine With chloroformic acid ethyl ester; triethylamine In dichloromethane at 0℃; for 1h; Inert atmosphere; Stage #2: benzylamine In dichloromethane at 20℃; for 2h; Inert atmosphere; | 90% |
t-Boc-L-valine
tert-butyl (1S)-{[(3aS,6aR)-4-(cyclopropylcarbonyl)-6,6-dimethyl-5-oxohexahydropyrrolo[3,2-b]pyrrol-1(2H)-yl]carbonyl}-2-methylpropylcarbamate
Conditions | Yield |
---|---|
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 In acetonitrile at 20℃; | 100% |
Conditions | Yield |
---|---|
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 In acetonitrile | 100% |
pyrrolidine
t-Boc-L-valine
(S)-tert-butyl 3-methyl-1-oxo-1-(pyrrolidin-1-yl)butan-2-ylcarbamate
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In acetonitrile at 20℃; | 100% |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 82% |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 24.4167h; Inert atmosphere; | 82% |
t-Boc-L-valine
Propargylamine
(S)-2-methyl-1-(prop-2-ynylcarbamoyl)-propylcarbamic acid t-butyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane for 2h; Inert atmosphere; Reflux; | 100% |
Stage #1: t-Boc-L-valine With 4-methyl-morpholine; isobutyl chloroformate In dichloromethane at -20℃; for 1h; Stage #2: Propargylamine In dichloromethane at 20℃; for 16h; Further stages.; | 99% |
With benzotriazol-1-ol; diisopropyl-carbodiimide In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere; | 97% |
t-Boc-L-valine
L-valine benzyl ester p-toluenesulfonate salt
(S)-benzyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-methylbutanoate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine | 100% |
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; | 99% |
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; | 87% |
With triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 20℃; for 5h; | 26% |
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; for 12h; Inert atmosphere; |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 0.75h; | 100% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 2h; | 99% |
t-Boc-L-valine
Boc-Val-OBt
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; | 100% |
t-Boc-L-valine
((S)-1-{(S)-4-benzyl-2-[(R)-(1,2,3,4-tetrahydro-naphthalen-1-yl)carbamoyl]-piperazine-1-carbonyl}-2-methyl-propyl)-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: (S)-4-benzyl-piperazine-2-carboxylic acid [(1R)-1,2,3,4-tetrahydro-naphthalen-1-yl]-amide With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: t-Boc-L-valine In N,N-dimethyl-formamide for 1h; Stage #3: With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; | 100% |
4-N-(tert-butoxycarbonyl)-3'-O-(tert-butyldimethylsilyl)-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
t-Boc-L-valine
4-N-(tert-butoxycarbonyl)-5'-O-[N-(tert-butoxycarbonyl)-L-valyl]-3'-O-(tert-butyldimethylsilyl)-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 0℃; for 3h; | 100% |
4-N-(tert-butoxycarbonyl)-3'-O-(dimethyl-t-hexylsilyl)-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
t-Boc-L-valine
4-N-(tert-butoxycarbonyl)-3'-O-(dimethyl-t-hexylsilyl)-5'-O-[N-(tert-butoxycarbonyl)-L-valyl]-2'-cyano-2'-deoxy-1-β-D-arabinofuranosylcytosine
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 0℃; for 4h; | 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% |
t-Boc-L-valine
L-alanine benzyl ester p-toluenesulfonate
Boc-Val-Ala-OBzl
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine | 100% |
Conditions | Yield |
---|---|
With thionyl chloride at 0 - 20℃; | 100% |
With thionyl chloride at 20℃; Cooling; |
t-Boc-L-valine
4-{5-fluoro-2-[(piperidin-4-yl)oxy]phenyl}morpholine hydrochloride
t-Butyl [(1S)-1-{[4-(4-fluoro-2-morpholin-4-ylphenoxy)piperidin-1-yl]carbonyl}-2-methylpropyl]carbamate
Conditions | Yield |
---|---|
100% |
t-Boc-L-valine
t-butyl 4-[4-fluoro-2-(methoxycarbonyl)phenoxy]piperidine-1-carboxylate
methyl 2-({1-[N-(t-butoxycarbonyl)-L-valyl]piperidin-4-yl}oxy)-5-fluorobenzoate
Conditions | Yield |
---|---|
Product distribution / selectivity; | 100% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View