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 according to the contract research and development services for the fine chemicals, ph
Cas:764-52-3
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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:764-52-3
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Cas:764-52-3
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Cas:764-52-3
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Cas:764-52-3
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
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inquirySupply top quality products with a reasonable price Application:api
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factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiryL-Homocysteine,S-(trifluoromethyl)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by A
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inquiryL-Homocysteine,S-(trifluoromethyl)- 764-52-3 Storage:as prescribe by the manufacturer Package:pack as requested
Cas:764-52-3
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inquiryHigh Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate
Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
L-Homocysteine,S-(trifluoromethyl)- CasNo.:764-52-3 Storage:as prescribe by the manaufacturer Package:pack as requested
Cas:764-52-3
Min.Order:5 Kilogram
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inquiryL-homocystine
iodotrifluoromethane
(S)-2-amino-4-(trifluoromethylthio)butanoic
Conditions | Yield |
---|---|
Stage #1: L-homocystine With ammonia; sodium at -78 - 35℃; Birch Reduction; Inert atmosphere; Stage #2: iodotrifluoromethane at -78℃; for 0.333333h; | 93% |
Stage #1: L-homocystine With sodium In ammonia at -78℃; liquid NH3; Stage #2: iodotrifluoromethane In ammonia at -78℃; for 0.333333h; liquid NH3; | 93% |
(S)-2-amino-4-(trifluoromethylthio)butanoic
Conditions | Yield |
---|---|
With pig liver acylase pH=7.2; | 26% |
(S)-2-amino-N-phenyl-4-(trifluoromethylthio)butanamide hydrochloride
A
aniline
B
(S)-2-amino-4-(trifluoromethylthio)butanoic
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; water at 37℃; for 2h; Enzymatic reaction; |
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
(S)-2-amino-4-(trifluoromethylthio)butanoic
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; acetone | 94% |
C25H26N2O2
nickel(II) acetate tetrahydrate
(S)-2-amino-4-(trifluoromethylthio)butanoic
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 60 - 70℃; | 90% |
di-tert-butyl dicarbonate
(S)-2-amino-4-(trifluoromethylthio)butanoic
N-Boc-S-trifluoromethyl-L-homocysteine
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; water at 0℃; | 85% |
With sodium hydroxide In 1,4-dioxane at 20℃; for 27h; Cooling with ice; | 39% |
(S)-2-amino-4-(trifluoromethylthio)butanoic
For-homoCys(S-CF3)-Leu-Phe-OH
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 85 percent / NEt3 / tetrahydrofuran; H2O / 0 °C 2: 55 percent / HOBt, DCC / CH2Cl2; dimethylformamide / 0 deg C, 1 h, 23 deg C, 12 h 3: 2.) N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / 1.) 23 deg C, 3 h, 2.) CHCl3, 23 deg C, 3 h 4: 95 percent / aq. NaOH / dioxane / 0 - 23 °C View Scheme |
(S)-2-amino-4-(trifluoromethylthio)butanoic
(S)-2-[(S)-2-((S)-2-Formylamino-4-trifluoromethylsulfanyl-butyrylamino)-4-methyl-pentanoylamino]-3-phenyl-propionic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 85 percent / NEt3 / tetrahydrofuran; H2O / 0 °C 2: 55 percent / HOBt, DCC / CH2Cl2; dimethylformamide / 0 deg C, 1 h, 23 deg C, 12 h 3: 2.) N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline / 1.) 23 deg C, 3 h, 2.) CHCl3, 23 deg C, 3 h View Scheme |
(S)-2-amino-4-(trifluoromethylthio)butanoic
(S)-2-[(S)-2-((S)-2-tert-Butoxycarbonylamino-4-trifluoromethylsulfanyl-butyrylamino)-4-methyl-pentanoylamino]-3-phenyl-propionic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / NEt3 / tetrahydrofuran; H2O / 0 °C 2: 55 percent / HOBt, DCC / CH2Cl2; dimethylformamide / 0 deg C, 1 h, 23 deg C, 12 h View Scheme |
(S)-2-amino-4-(trifluoromethylthio)butanoic
A
2-Oxobutyric acid
B
trifluoromethylsulfide
Conditions | Yield |
---|---|
With 5,5'-dithiobis-(2-nitrobenzoic acid); recombinant Entamoeba histolytica L-methionine γ-lyase 2; pyridoxal 5'-phosphate; water at 37℃; pH=7.2; Kinetics; Reagent/catalyst; Time; aq. phosphate buffer; Enzymatic reaction; |
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