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:34079-31-7
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:34079-31-7
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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:34079-31-7
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
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
Cas:34079-31-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:34079-31-7
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:34079-31-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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 powder. Storage:Store in sealed containers at cool & d
Cas:34079-31-7
Min.Order:100 Gram
Negotiable
Type:Other
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
1.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:34079-31-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryZ-PRO-NH2 CAS:34079-31-7 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 intermediates,
Cas:34079-31-7
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:34079-31-7
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:34079-31-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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
Cas:34079-31-7
Min.Order:1 Kilogram
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:34079-31-7
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:34079-31-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: CBZ-L-Prolinamide CAS No.:34079-31-7 Molecule Formula:C13H16N2O3 Molecule Weight:248.28 Purity: 97.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:34079-31-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryGMP 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,
Product Name: Z-PRO-NH2 Synonyms: N-ALPHA-CARBOBENZOXY-L-PYRROLIDINE-2-CARBOXYLIC ACID ALPHA-AMIDE;N-ALPHA-CARBOBENZOXY-L-PROLINE AMIDE;N-CARBOBENZOXY-L-PROLINE AMIDE;(S)-2-CARBAMOYL-1-CBZ-PYRROLIDINE;(S)-2-CARBAMOYL-PYRROLIDINE-1-CARBOXYLIC A
Cas:34079-31-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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
Cas:34079-31-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
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
Cas:34079-31-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated 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
Cas:34079-31-7
Min.Order:0
Negotiable
Type:Other
inquiryhigh purity Appearance:Solid Storage:Store at RT. Application:Pharmaceutical Intermediate
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high quality low price Storage:Preserve In Well-Closed, Light-Resistant and Tight Containers. Store In Cool & Dry Place Package:1g,5g,10g...1kg,5kg...more Application:pharmaceutical intermediate Transportation:shipping,land,air Port:Shanghai
Cas:34079-31-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHigh 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
Cas:34079-31-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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
Cas:34079-31-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryN-Benzyloxycarbonyl-L-proline
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 24h; | 100% |
With ammonium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; | 100% |
Stage #1: N-Benzyloxycarbonyl-L-proline With 4-methyl-morpholine; chloroformic acid ethyl ester In tetrahydrofuran at 0℃; for 0.25h; Stage #2: With ammonia In tetrahydrofuran; water at 0 - 20℃; for 15h; | 100% |
N-benzyloxycarbonyl-L-proline p-nitrophenyl ester
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonia; triethylamine In methanol at 0℃; Reflux; | 90% |
(S)-benzyloxycarbonyl-proline acid chloride
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonia In dichloromethane at 0 - 20℃; Large scale; | 82% |
With ammonia In tetrahydrofuran at 0 - 20℃; for 1h; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; | 76% |
With sodium hydroxide |
(2S)-2-[({(2S)-1-[(benzyloxy)carbonyl]tetrahydro-1H-pyrrol-2-yl}carbonyl)amino]propanoic acid
B
Z-Pro-NH2
Conditions | Yield |
---|---|
With acetic acid; N-ethyl-N,N-diisopropylamine anodic oxidation; Pt electrodes, i = 250 mA*cm-2, current equiv.: 13.4 F/mol; | A 50% B 12% |
Z-Pro-NH2
Conditions | Yield |
---|---|
With trifluoroacetic acid In water at 30℃; for 6h; Yield given; |
N-carbobenzoxyprolylglycine
Z-Pro-NH2
Conditions | Yield |
---|---|
With methanol; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid 1.) anodic oxidation; Pt electrodes, i = 250 mA*cm-2, current equiv.: 16.5 F/mol, 2.) H2O, 25 deg C, 8 h; Yield given. Multistep reaction; |
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonia In dichloromethane at -20℃; for 1h; Yield given; | |
With ammonium hydroxide In tetrahydrofuran at 0℃; for 0.75h; Yield given; | |
With ammonia In water for 4h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / aq. NaOH / 2 h / 5 °C 2: 96 percent / di-tert-butyl pyrocarbonate; ammonium hydrogencarbonate; pyridine / acetonitrile / 68 h View Scheme | |
Multi-step reaction with 2 steps 1.1: Boc2O 1.2: 96 percent / NH4HCO3 View Scheme |
L-proline
Z-Pro-NH2
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / aq. NaOH / 2 h / 5 °C 2: 96 percent / di-tert-butyl pyrocarbonate; ammonium hydrogencarbonate; pyridine / acetonitrile / 68 h View Scheme | |
Multi-step reaction with 2 steps 1.1: Boc2O 1.2: 96 percent / NH4HCO3 View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / H2O / Ambient temperature 2: 1.) triethylamine, isobutyl chloroformate, 2.) ammonia / 1.) chloroform, 0 deg C, 2 h, 2.) chloroform, RT, overnight View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / 2 h / 5 °C 2: di-tert-butyl dicarbonate; ammonium bicarbonate; pyridine / acetonitrile / 68 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: sodium hydrogencarbonate / toluene / 2 h / 10 - 20 °C 2: thionyl chloride / toluene / 4 h / Reflux 3: ammonia / dichloromethane / 0 - 20 °C / Large scale View Scheme |
(2S)-2-[({(2S)-1-[(benzyloxy)carbonyl]tetrahydro-1H-pyrrol-2-yl}carbonyl)amino]propanoic acid
Z-Pro-NH2
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 50 percent / AcOH, EtN(i-Pr)2 / anodic oxidation; Pt electrodes, i = 250 mA*cm-2, current equiv.: 13.4 F/mol 2: 70 percent CF3COOH / H2O / 6 h / 30 °C View Scheme |
benzyl chloroformate
Z-Pro-NH2
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / H2O / Ambient temperature 2: 1.) triethylamine, isobutyl chloroformate, 2.) ammonia / 1.) chloroform, 0 deg C, 2 h, 2.) chloroform, RT, overnight View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / 2 h / 5 °C 2: di-tert-butyl dicarbonate; ammonium bicarbonate; pyridine / acetonitrile / 68 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: sodium hydrogencarbonate / toluene / 2 h / 10 - 20 °C 2: thionyl chloride / toluene / 4 h / Reflux 3: ammonia / dichloromethane / 0 - 20 °C / Large scale View Scheme |
N-carbobenzoxy-L-proline phenylmethyl ester
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonia In methanol at 20℃; for 120h; sealed bottle; |
C16H19NO5
Z-Pro-NH2
Conditions | Yield |
---|---|
With ammonia In dichloromethane; water |
Z-Pro-NH2
(2S)-2-cyanopyrrolidine-1-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
Stage #1: Z-Pro-NH2 With p-toluenesulfonyl chloride In pyridine at 100℃; for 3h; Stage #2: With hydrogenchloride In pyridine; water at 20℃; | 100% |
With 1,3,5-trichloro-2,4,6-triazine In N,N-dimethyl-formamide at 0 - 20℃; for 4h; Inert atmosphere; | 99% |
With 1,3,5-trichloro-2,4,6-triazine In N,N-dimethyl-formamide at 0 - 20℃; for 4h; | 97% |
Z-Pro-NH2
L-prolinamide
Conditions | Yield |
---|---|
With 10% palladium on carbon; hydrogen In methanol for 7h; | 100% |
With hydrogen; palladium on activated charcoal In methanol for 9h; Ambient temperature; | 88.4% |
With hydrogen; palladium on activated charcoal In methanol under 2068.6 Torr; for 5h; | 87% |
With hydrogen; palladium In methanol for 3h; |
N,N-dimethyl-formamide dimethyl acetal
Z-Pro-NH2
Conditions | Yield |
---|---|
at 20 - 120℃; for 2h; | 100% |
Z-Pro-NH2
Cbz-L-proline thioamide
Conditions | Yield |
---|---|
With Lawessons reagent In toluene at 20 - 100℃; for 3h; | 100% |
With Lawessons reagent In tetrahydrofuran at 65℃; | 100% |
With Lawessons reagent In dichloromethane at 20℃; | 80% |
ethyl (E)-3-bromoacrylate
Z-Pro-NH2
benzyl (S,E)-2-(3-ethoxy-3-oxoprop-1-enylcarbamoyl)pyrrolidine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: Z-Pro-NH2 With cetyltrimethylammonim bromide; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; palladium diacetate In toluene at 50 - 55℃; for 1h; Stage #2: ethyl (E)-3-bromoacrylate In water; toluene Heating; Further stages.; | 92% |
benzoyl isocyanate
Z-Pro-NH2
benzyl (S)-2-((benzoylcarbamoyl)carbamoyl)pyrrolidine-1-carboxylate
Conditions | Yield |
---|---|
In toluene for 2h; Inert atmosphere; Reflux; | 89% |
Conditions | Yield |
---|---|
With dmap In acetonitrile for 5h; Ambient temperature; | 87% |
methyl 3,3,3-trifluoropyruvate
Z-Pro-NH2
Conditions | Yield |
---|---|
Ambient temperature; | 83% |
Conditions | Yield |
---|---|
In toluene for 40h; Inert atmosphere; Reflux; | 82% |
ethyl 2-diazo-2-(diethoxyphosphoryl)acetate
Z-Pro-NH2
Conditions | Yield |
---|---|
dirhodium tetraacetate In toluene Heating; | 80% |
dirhodium tetraacetate In toluene for 2h; Substitution; Heating; | 80% |
2-Diazo-3-oxo-butyric acid methyl ester
Z-Pro-NH2
(S)-2-(1-Methoxycarbonyl-2-oxo-propylcarbamoyl)-pyrrolidine-1-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
dirhodium tetraacetate In chloroform for 0.5h; Heating; | 74% |
Z-Pro-NH2
2-(S)-aminomethyl-pyrrolidine-1-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
Stage #1: Z-Pro-NH2 With borane In tetrahydrofuran for 7h; Heating; Stage #2: With hydrogenchloride for 6h; Heating; Further stages.; | 74% |
Stage #1: Z-Pro-NH2 With borane In tetrahydrofuran at 0℃; for 7h; Heating / reflux; Stage #2: With hydrogenchloride; water In tetrahydrofuran at 0℃; for 6h; Heating / reflux; Stage #3: With sodium hydroxide In tetrahydrofuran; water pH=8; | 74% |
(S)-ethyl 5-phenyl-4-phenylselenylpent-2-(E)-enoate
Z-Pro-NH2
Conditions | Yield |
---|---|
Stage #1: (S)-ethyl 5-phenyl-4-phenylselenylpent-2-(E)-enoate; Z-Pro-NH2 With toluene-4-sulfonic acid; trimethyl orthoformate In methanol for 0.5h; Stage #2: With N-chloro-succinimide; N-ethyl-N,N-diisopropylamine In methanol at 0℃; for 0.333333h; | 60% |
2-Oxobutyric acid
Z-Pro-NH2
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 5h; Heating; | 40% |
triphenyl phosphite
isovaleraldehyde
Z-Pro-NH2
(S)-2-[1-(Diphenoxy-phosphoryl)-3-methyl-butylcarbamoyl]-pyrrolidine-1-carboxylic acid benzyl ester
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate) In dichloromethane at 20℃; for 48h; Reagent/catalyst; | 38% |
4-bromo-5-ethoxyfuran-2(5H)-one
Z-Pro-NH2
A
benzyl (2S)-2-((2R)-2-ethoxy-5-oxo-2,5-dihydrofuran-3-ylcarbamoyl)pyrrolidine-1-carboxylate
B
benzyl (2S)-2-((2S)-2-ethoxy-5-oxo-2,5-dihydrofuran-3-ylcarbamoyl)pyrrolidine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: Z-Pro-NH2 With cetyltrimethylammonim bromide; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; palladium diacetate In toluene at 50℃; for 1h; Stage #2: In water; toluene for 0.25h; Stage #3: 4-bromo-5-ethoxyfuran-2(5H)-one In water; toluene at 50℃; for 7h; Further stages.; | A 33% B n/a |
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate) In dichloromethane at 20℃; for 48h; Reagent/catalyst; | 31% |
Conditions | Yield |
---|---|
With copper(II) bis(trifluoromethanesulfonate) In dichloromethane at 20℃; for 48h; Reagent/catalyst; | 25% |
Z-Pro-NH2
N-benzyloxycarbonyl-L-isoglutamine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane |
Conditions | Yield |
---|---|
With hydroquinone In benzene for 6.5h; Heating; |
Conditions | Yield |
---|---|
With triethyloxonium fluoroborate In dichloromethane for 1h; Heating; |
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