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 quantiti
Cas:501-53-1
Min.Order:100 Gram
Negotiable
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:501-53-1
Min.Order:0 Metric Ton
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:501-53-1
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryISO Certificaiton Technology: Technology innovation is our eternal pursuit,or we will be left behind.Our technology experts,all from famous universities and institutes,has rich experience and high achievements in chemical research.This makes sure
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Cas:501-53-1
Min.Order:1 Kilogram
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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
Our 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:501-53-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryBenzyl chloroformate 501-53-1 Benzyl chloroformate Basic information Product Name: Benzyl chloroformate Synonyms: Benzyl carbonochloridate;Benzyl chloridocarbonate;Benzyl chlorocarbona
Cas:501-53-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name:Benzyl chloroformate Synonyms:Benzyl carbonochloridate;Benzyl chloridocarbonate;Benzyl chlorocarbonate;benzylcarbonochloridate;Benzylcarbonyl chloride;benzylcarbonylchloride;benzylchlorocarbonate;Bzcf CAS:501-53-1 MF:C8H7ClO2
Cas:501-53-1
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiry1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
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Cas:501-53-1
Min.Order:10 Gram
Negotiable
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
Cas:501-53-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&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:501-53-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Clear colorless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pesticide
Product 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,
Cas:501-53-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1)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 etc. 3) oem/odm available; 4) rea
Cas:501-53-1
Min.Order:1 Gram
FOB Price: $4.0
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
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high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
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Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryBest service,high quality and cheap price. Storage:Keep away from heat,sparks and flames. Package:25kg/50kg/200kg drum or Customer demand Application:Used as pharmaceutical intermediates Transportation:BY sea/air or by courier
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:501-53-1
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Top sale 501-53-1 Benzyl Chloroformate Application:Top sale 501-53-1 Benzyl Chloroformate
O-benzyl S-methyl carbonothioate
benzyl chloroformate
Conditions | Yield |
---|---|
With sulfuryl dichloride at 0 - 20℃; for 1h; | 100% |
With sulfuryl dichloride at 20℃; for 1h; | 72% |
With sulfuryl dichloride at 0 - 20℃; for 1h; | 72% |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -5 - 10℃; for 13h; Reagent/catalyst; Temperature; Solvent; | 99% |
With pyridine In dichloromethane | 98% |
With pyridine In dichloromethane | 98% |
S-ethyl O-benzyl carbonothioate
benzyl chloroformate
Conditions | Yield |
---|---|
With sulfuryl dichloride at 20℃; for 1h; | 81% |
With sulfuryl dichloride at 0 - 20℃; for 1h; | 81% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 20℃; | 76% |
Conditions | Yield |
---|---|
With toluene anfangs unter Kuehlung; | |
at -8℃; | |
With 2,3-Dimethylaniline |
benzyl carbonochloridate
benzyl chloroformate
Conditions | Yield |
---|---|
With thionyl chloride at 90℃; for 3h; | |
With thionyl chloride for 6h; Chlorination; Heating; | |
With thionyl chloride for 4h; Reflux; | |
With thionyl chloride at 90℃; for 2h; |
Conditions | Yield |
---|---|
With pyrographite In tetrahydrofuran at 20℃; for 1h; Condensation; | |
With dmap In toluene at 20℃; for 24h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sulfur; DBU / dimethylsulfoxide / 5 h / 20 °C / 760 Torr 1.2: 67 percent / dimethylsulfoxide / 1 h / 20 °C 2.1: 100 percent / SO2Cl2 / 1 h / 0 - 20 °C View Scheme |
Thiocarbonic acid O-benzyl ester
benzyl chloroformate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / 2 h / 20 °C / 750.06 Torr 2: 81 percent / sulfuryl chloride / 1 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 1.62 g / tetrahydrofuran / 16 h / 20 °C / 750.06 Torr 2: 72 percent / sulfuryl chloride / 1 h / 0 - 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: DBU / tetrahydrofuran / 1 h / 20 °C / 750.06 Torr 2: tetrahydrofuran / 2 h / 20 °C / 750.06 Torr 3: 81 percent / sulfuryl chloride / 1 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: DBU / tetrahydrofuran / 1 h / 20 °C / 750.06 Torr 2: 1.62 g / tetrahydrofuran / 16 h / 20 °C / 750.06 Torr 3: 72 percent / sulfuryl chloride / 1 h / 0 - 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: sulfur; DBU / tetrahydrofuran / 6 h / 80 °C / 7500.6 Torr 2: tetrahydrofuran / 2 h / 20 °C / 750.06 Torr 3: 81 percent / sulfuryl chloride / 1 h / 0 - 20 °C View Scheme |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane |
bis(trichloromethyl) carbonate
phenylmethanethiol
2-amino-3-methylbutane
benzyl chloroformate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane |
9,10-dihydro-3-methyl-4H-thieno[3,4-b][1,5]benzodiazepin-10-one
B
benzyl chloroformate
benzyl 2-oxo-2-(pyren-1-yl)ethyl carbonate
benzyl chloroformate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water / acetonitrile / pH 7.5 / Photolysis; Inert atmosphere 2: sodium carbonate / toluene / 6 h / 0 °C View Scheme |
Conditions | Yield |
---|---|
With oxygen at 20℃; for 3h; Irradiation; |
tryptamine
benzyl chloroformate
(2-indol-3-yl-ethyl)-carbamic acid benzyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In chloroform at 20℃; for 1h; | 100% |
With N-ethyl-N,N-diisopropylamine In chloroform at 0 - 20℃; for 1h; | 100% |
With sodium hydroxide In tetrahydrofuran | 97% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 1h; | 100% |
In benzene for 0.5h; Ambient temperature; | 95% |
With triethylamine In dichloromethane at 20℃; for 6h; Large scale; | 95.3% |
2-bromoethylamine
benzyl chloroformate
benzyl N-(2-bromoethyl)carbamate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 6h; | 100% |
With sodium hydroxide | |
In sodium hydroxide; acetone | |
With triethylamine In N,N-dimethyl-formamide at 0℃; |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 20℃; | 100% |
With sodium hydroxide In water at 0 - 20℃; for 5h; | 99% |
With sodium carbonate In water at 0 - 20℃; for 24h; | 98% |
3-aminobutyric acid
benzyl chloroformate
3-benzyloxycarbonylaminobutyric acid
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; | 100% |
With sodium hydroxide In tetrahydrofuran for 16h; Ambient temperature; | 97% |
With sodium hydroxide In water; acetone for 1h; Ambient temperature; | 91% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water Inert atmosphere; | 100% |
With sodium hydroxide In water at 0 - 20℃; | 100% |
With potassium carbonate In water at 0 - 2℃; pH=1.5 - Ca. 2; Reagent/catalyst; pH-value; Temperature; Solvent; | 99% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether; water at 0 - 20℃; for 6h; | 100% |
With sodium hydroxide In water at 0℃; for 24h; | 94% |
With sodium hydrogencarbonate for 4h; Ambient temperature; | 93% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 20℃; | 100% |
With sodium hydroxide at 0℃; for 1h; | 99% |
With sodium hydroxide In water at 20℃; for 2h; | 92% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether for 5h; | 100% |
In ethyl acetate Heating; | 31% |
With sodium hydroxide at 0℃; | |
Schotten-Baumann reaction; |
Conditions | Yield |
---|---|
With sodium hydroxide a) 0 deg C, 30 min, b) 20 deg C, 2 h; | 100% |
With sodium hydroxide In water for 0.5h; | 100% |
With sodium hydroxide In 1,4-dioxane; water at 20℃; for 1h; | 82% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 20℃; | 100% |
Stage #1: L-phenylalanine; benzyl chloroformate With sodium hydroxide In water at 0 - 20℃; for 1.5h; Stage #2: With hydrogenchloride In water pH=4; | 99% |
With sodium hydroxide | 99% |
L-Tyr-OMe
benzyl chloroformate
N-(benzyloxycarbonyl)-L-tyrosine methyl ester
Conditions | Yield |
---|---|
With sodium carbonate In water; acetone at 20℃; for 2h; | 100% |
With sodium carbonate In dichloromethane; water at 0 - 20℃; for 2.5h; | 98% |
With sodium hydrogencarbonate In chloroform at 25℃; for 3h; | 94% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 20℃; | 100% |
With sodium hydrogencarbonate In tetrahydrofuran at 0 - 20℃; | 100% |
With sodium hydrogencarbonate In tetrahydrofuran; water at 0℃; for 1h; | 100% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 20℃; | 100% |
With potassium carbonate In tetrahydrofuran; water at 20℃; for 12h; | 96% |
Stage #1: glycine With sodium hydroxide In water Inert atmosphere; Stage #2: benzyl chloroformate In water at 0℃; for 0.833333h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide In water for 13.5h; Ambient temperature; | 100% |
With sodium carbonate at 0 - 20℃; for 3h; | 100% |
With sodium hydroxide at 0℃; for 0.166667h; | 97% |
benzyl chloroformate
cis-hydroxy-D-proline
(R,R)-4-hydroxy-1-(benzyloxycarbonyl)pyrrolidine-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; toluene at 20℃; for 16.25h; | 100% |
With sodium hydrogencarbonate In 1,4-dioxane; water | 100% |
With sodium hydrogencarbonate In water; toluene for 16.5h; Ambient temperature; | 96% |
benzyl chloroformate
4R-4-hydroxyproline
(2S,4R)-1-(benzyloxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In diethyl ether Acylation; | 100% |
With sodium hydroxide at 0 - 20℃; for 5h; | 100% |
With sodium hydrogencarbonate In water; toluene at 20℃; for 12.25h; | 100% |
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 4h; Inert atmosphere; Cooling with ice; | 100% |
With N-ethyl-N,N-diisopropylamine | 96% |
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 12h; Cooling with ice; | 95% |
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 20℃; for 20h; | 100% |
With sodium carbonate In 1,4-dioxane; water at 0 - 20℃; for 18h; | 97% |
With hydrogenchloride; sodium hydroxide In 1,4-dioxane; toluene at 0 - 20℃; | 95% |
Conditions | Yield |
---|---|
With sodium carbonate In 1,4-dioxane; water at 20℃; | 100% |
With sodium carbonate In 1,4-dioxane; water 1.) 0 deg C, 1.5 h, 2.) room temperature, 11 h; | 99% |
With sodium hydroxide In water at 0 - 20℃; for 16h; | 94% |
L-tert-Leucine
benzyl chloroformate
(S)-N-carbobenzoxy-tert-butylleucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 0℃; for 18h; | 100% |
With sodium hydroxide In water for 3h; Inert atmosphere; | 100% |
With sodium hydroxide In water at 5 - 20℃; for 14h; pH=10 - 10.5; Product distribution / selectivity; | 97% |
1-methyl-1-tert-butoxycarbonylhydrazine
benzyl chloroformate
2-benzyl 1-tert-butyl 1-methylhydrazine-1,2-dicarboxylate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethyl acetate at 0 - 1℃; for 1h; | 100% |
With sodium hydroxide In dichloromethane; water at 20℃; for 2h; | 81% |
With sodium hydroxide In 1,4-dioxane; water at 25℃; for 1h; | 69.54% |
methyl (2S)-2-amino-3-hydroxypropanoate hydrochloride
benzyl chloroformate
N-benzyloxycarbonyl-L-serine methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water 0 deg C -> room temperature, 4 h; | 100% |
With sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃; for 6h; | 97% |
With sodium hydrogencarbonate | 93% |
methyl 2-amino-3-hydroxypropanoate hydrochloride
benzyl chloroformate
methyl 2-(benzyloxycarbonylamino)-3-hydroxypropanoate
Conditions | Yield |
---|---|
With sodium carbonate In tetrahydrofuran at 20℃; for 12h; | 100% |
Stage #1: methyl 2-amino-3-hydroxypropanoate hydrochloride; benzyl chloroformate With sodium hydrogencarbonate In water at 0 - 20℃; for 24.75h; Inert atmosphere; Stage #2: With hydrogenchloride In water pH=1; | 75% |
With triethylamine In dichloromethane for 5h; Ambient temperature; | 70% |
benzyl chloroformate
ethylenediamine
1,2-Ethanediylbis(phenylmethyl carbamate)
Conditions | Yield |
---|---|
With potassium hydroxide | 100% |
With sodium hydroxide |
benzyl chloroformate
3-amino-2-propanol
1-Benzyloxycarbonylamino-2,4-propanediol
Conditions | Yield |
---|---|
With sodium carbonate In water at 0℃; for 3h; | 100% |
With sodium carbonate In water at 0℃; for 3h; | 100% |
With sodium carbonate In water at 0℃; for 3h; | 96% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at -65℃; for 1h; | 100% |
With sodium tetrahydroborate In methanol at -75℃; for 3h; | 96% |
With sodium tetrahydroborate In ethanol at -78℃; for 1.5h; | 74% |
1,2,3,6-tetrahydropyridine
benzyl chloroformate
1-benzyloxycarbonyl-1,2,3,6-tetrahydropyridine
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 16h; | 100% |
With sodium carbonate at 0℃; for 2h; | 99% |
With sodium carbonate In water at 5 - 20℃; Cooling with ice; | 99% |
2-pyrrolidinon
benzyl chloroformate
N-benzyloxycarbonylpyrrolidin-2-one
Conditions | Yield |
---|---|
Stage #1: 2-pyrrolidinon With n-butyllithium In tetrahydrofuran Stage #2: benzyl chloroformate In tetrahydrofuran | 100% |
Stage #1: 2-pyrrolidinon With sodium hydroxide In toluene for 6h; Dean-Stark; Reflux; Stage #2: benzyl chloroformate In toluene at 5 - 12℃; for 2h; | 95.2% |
Stage #1: 2-pyrrolidinon With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: benzyl chloroformate In tetrahydrofuran at -78 - -40℃; for 3h; Inert atmosphere; | 91% |
isonipecotic acid
benzyl chloroformate
1-benzyloxycarbonylpiperidine-4-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; sodium carbonate In water; acetonitrile at 0 - 20℃; for 2h; pH=10 - 11; | 100% |
With potassium carbonate In water at 22℃; for 58h; | 97% |
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; | 96% |
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