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 services. DayangChem can provide different quantities of custom synthesis ch
Welcome 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
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inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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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
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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
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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
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inquiryGCLH CAS:64308-63-0 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, stero
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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
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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
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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
Best 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
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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
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 providi
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
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inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
7-PHENYLACETAMIDE-3-CHLOROMETHYL-3-CEPHEM-4-CARBOXYLIC ACID DIPHENYLMETHYL ESTER;7-PHENYLACETAMIDO-3-CHLOROMETHYL-3-CEPHEM-4-CARBOXYLIC ACID DIPHENYL METHYL ESTER;7-PHENYLACETAMIDO-3-CHLOROMETHYL-3-CEPHEM-4-CARBOXYYLIC ACID DIPHENYLMETHYL ESTER;
factory?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
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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
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inquiry1.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
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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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
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inquiryhigh 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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inquirybest seller Application:API
Ansciep 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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inquiryphenylacetyl chloride
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
With 2,6-dimethylpyridine; triethylamine In acetonitrile at 0 - 20℃; | 97% |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
2-(tributylstannyl)-1-<<2-(trimethylsilyl)ethoxy>methyl>-1H-indole
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; trifuran-2-yl-phosphane In tetrahydrofuran at 60℃; for 2h; | 95% |
2-(tributylstannyl)furan
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-3-Furan-2-ylmethyl-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With trifuran-2-yl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 1h; Heating; | 92% |
tributyl(thien-2-yl)stannane
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-8-Oxo-7-phenylacetylamino-3-thiophen-2-ylmethyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With trifuran-2-yl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 2.5h; Heating; | 87% |
(p-methoxyphenyl)tri-n-butylstannane
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R)-3-(4-methoxy-benzyl)-8-oxo-7t-(2-phenyl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With trifuran-2-yl-phosphane; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran for 24h; Heating; | 81% |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
With copper(l) iodide; tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 60℃; for 0.5h; | 79% |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-8-Oxo-3-[(Z)-3-(2-oxo-2H-chromen-7-yloxy)-propenyl]-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaI / acetone / 1 h / 20 °C 2.1: 0.715 g / ethyl acetate / 12 h 3.1: aq. NaOH / CH2Cl2 / 0.5 h / 20 °C 3.2: 28 percent / CH2Cl2 / 20 °C 4.1: 71 percent / TFA / CH2Cl2; methoxybenzene / 1 h / 0 °C View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(5S,6R,7R)-5,8-Dioxo-3-[(Z)-3-(2-oxo-2H-chromen-7-yloxy)-propenyl]-7-phenylacetylamino-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: NaI / acetone / 1 h / 20 °C 2.1: 0.715 g / ethyl acetate / 12 h 3.1: aq. NaOH / CH2Cl2 / 0.5 h / 20 °C 3.2: 28 percent / CH2Cl2 / 20 °C 4.1: m-CPBA / CH2Cl2 / 0.33 h 5.1: 16.71 mg / TFA / CH2Cl2; methoxybenzene / 1 h / 0 °C View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-8-Oxo-3-[(Z)-3-(2-oxo-2H-chromen-7-yloxy)-propenyl]-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: NaI / acetone / 1 h / 20 °C 2.1: 0.715 g / ethyl acetate / 12 h 3.1: aq. NaOH / CH2Cl2 / 0.5 h / 20 °C 3.2: 28 percent / CH2Cl2 / 20 °C View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(5S,6R,7R)-5,8-Dioxo-3-[(Z)-3-(2-oxo-2H-chromen-7-yloxy)-propenyl]-7-phenylacetylamino-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaI / acetone / 1 h / 20 °C 2.1: 0.715 g / ethyl acetate / 12 h 3.1: aq. NaOH / CH2Cl2 / 0.5 h / 20 °C 3.2: 28 percent / CH2Cl2 / 20 °C 4.1: m-CPBA / CH2Cl2 / 0.33 h View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R)-7t-amino-8-oxo-3-thiophen-2-ylmethyl-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 87 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 2.5 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 92 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 1 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-Amino-8-oxo-3-thiazol-5-ylmethyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 30 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 24 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 56 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 14 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-Amino-3-(2-methylsulfanyl-thiazol-5-ylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 10 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-3-(2-Acetyl-thiazol-5-ylmethyl)-7-amino-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 61 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 19 h / Heating 2: 1.) PCl5, 2.) 1,3-propandiol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 5 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-Amino-8-oxo-3-(2-phenylsulfanyl-thiazol-5-ylmethyl)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 70 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 5 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 2.5 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine 3: CH2Cl2 View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 92 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 1 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine 3: CH2Cl2 View Scheme |
(6R,7R)-benzhydryl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
(6R,7R)-7-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-methoxyimino]-acetylamino}-8-oxo-3-thiazol-5-ylmethyl-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 30 percent / tri(2-furyl)phosphine / bis(dibenzylideneacetonyl)palladium / tetrahydrofuran / 24 h / Heating 2: 1.) PCl5, 2.) 1,3-propanediol / 1.) pyridine 3: CH2Cl2 View Scheme |
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