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
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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
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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 an
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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
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inquiryOur advantage:Our 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 Scientif
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiry3-Phenyl-2-(phenylsulfonyl)-1,2-oxaziridine cas 63160-13-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiry63160-13-4 Application:intermediate
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
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inquiryLower price, sample is available,large stock in warehouse.Best service, high quality and reasonable price.If you are looking for the material's manufacturer or supplier in China, Sibian chemical is your best choice. Application:Drug R&D
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Cas:63160-13-4
Min.Order:10 Milligram
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Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
(S)-4-benzyl-3-{3-[(2S,5R)-5-(4-methoxybenzyloxy)-1-(toluene-4-sulphonyl)piperidin-2-yl]propionyl}oxazolidin-2-one
(S)-4-benzyl-3-{(S)-2-hydroxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
Conditions | Yield |
---|---|
Stage #1: (S)-4-benzyl-3-{3-[(2S,5R)-5-(4-methoxybenzyloxy)-1-(toluene-4-sulphonyl)piperidin-2-yl]propionyl}oxazolidin-2-one With sodium hexamethyldisilazane In tetrahydrofuran at -78 - -40℃; for 0.75h; Stage #2: With N-(benzenesulfonyl)-3-phenyloxaziridine In tetrahydrofuran at -78℃; for 2h; | |
Stage #1: (S)-4-benzyl-3-{3-[(2S,5R)-5-(4-methoxybenzyloxy)-1-(toluene-4-sulphonyl)piperidin-2-yl]propionyl}oxazolidin-2-one With sodium hexamethyldisilazane In tetrahydrofuran at -78 - -40℃; for 0.75h; Stage #2: With N-(benzenesulfonyl)-3-phenyloxaziridine In tetrahydrofuran at -78℃; for 2h; |
3-[(2S,5R)-5-(4-methoxybenzyloxy)-1-(toluene-4-sulphonyl)piperidin-2-yl]propionic acid
(S)-4-benzyl-3-{(S)-2-hydroxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: triethylamine / diethyl ether; dichloromethane / 1.08 h / -78 - 0 °C 2.1: n-butyllithium / tetrahydrofuran; hexane / 0.75 h / -78 °C 2.2: 3 h / -78 - 20 °C 3.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.75 h / -78 - -40 °C 3.2: 2 h / -78 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: triethylamine / diethyl ether; dichloromethane / 1.08 h / -78 - 0 °C 2.1: n-butyllithium / tetrahydrofuran; hexane / -78 °C 2.2: 3 h / -78 - 20 °C 3.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.75 h / -78 - -40 °C 3.2: 2 h / -78 °C View Scheme |
(S)-4-benzyl-3-{(S)-2-hydroxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 0.75 h / -78 °C 1.2: 3 h / -78 - 20 °C 2.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.75 h / -78 - -40 °C 2.2: 2 h / -78 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / -78 °C 1.2: 3 h / -78 - 20 °C 2.1: sodium hexamethyldisilazane / tetrahydrofuran / 0.75 h / -78 - -40 °C 2.2: 2 h / -78 °C View Scheme |
(S)-4-benzyl-3-{(S)-2-hydroxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
trimethoxonium tetrafluoroborate
(S)-4-benzyl-3-{(S)-2-methoxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
Conditions | Yield |
---|---|
With N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In dichloromethane at 0 - 20℃; for 3h; Molecular sieve; |
(S)-4-benzyl-3-{(S)-2-hydroxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
(S)-4-benzyl-3-{(S)-2-methoxy-3-[(2S,5R)-5-(4-methoxy-benzyloxy)-1-(toluene-4-sulfonyl)-piperidin-2-yl]-propionyl}-oxazolidin-2-one
Conditions | Yield |
---|---|
With trimethoxonium tetrafluoroborate; N,N,N',N'-tetramethyl-1,8-diaminonaphthalene In dichloromethane at 0 - 20℃; Molecular sieve; |
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