[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

Base Information

Chemical Name:[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester
CAS No.:218769-37-0
Molecular Formula:C₃₇H₃₈Br₂N₄O₆
Molecular Weight:794.54
Hs Code.:

[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

Synonyms:[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

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Chemical Property of [(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

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Technology Process of [(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

There total 4 articles about [(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 86.0%

: 271581-27-2
2-((S)-1-Amino-2-methyl-propyl)-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazole-4-carbonitrile

: 3-(4-benzyloxy-3,5-dibromo-phenyl)-2-tert-butoxycarbonylamino-propionic acid

: 218769-37-0
[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In acetonitrile; Ambient temperature;
DOI:10.1021/jo981791e

Reference yield:

: 13734-41-3
t-Boc-L-valine

: 218769-37-0
[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 64 percent / EDC / pyridine / Ambient temperature

2: 55 percent / t-BuONO, CuBr₂ / acetonitrile / 0 °C

3: 1.) PdCl₂(CH₃CN)2, 2.) BBr₃ / 1.) DMF, room temperature, 2.) CH₂Cl₂, -78 deg C

4: 86 percent / TBTU, DIPEA / acetonitrile / Ambient temperature

With dichloro bis(acetonitrile) palladium(II); tert.-butylnitrite; boron tribromide; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; N-ethyl-N,N-diisopropylamine; copper(ll) bromide; In pyridine; acetonitrile;
DOI:10.1021/jo981791e

Reference yield:

: 218769-27-8
[1-(5-bromo-4-cyano-oxazol-2-yl)-2-methyl-propyl]-carbamic acid tert-butyl ester

: 218769-37-0
[(S)-2-(4-Benzyloxy-3,5-dibromo-phenyl)-1-((S)-1-{4-cyano-5-[1-(2-hydroxy-phenyl)-vinyl]-oxazol-2-yl}-2-methyl-propylcarbamoyl)-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) PdCl₂(CH₃CN)2, 2.) BBr₃ / 1.) DMF, room temperature, 2.) CH₂Cl₂, -78 deg C

2: 86 percent / TBTU, DIPEA / acetonitrile / Ambient temperature

With dichloro bis(acetonitrile) palladium(II); boron tribromide; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In acetonitrile;
DOI:10.1021/jo981791e