(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

Base Information

Chemical Name:(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester
CAS No.:175917-53-0
Molecular Formula:C₄₁H₄₃N₃O₉S
Molecular Weight:753.873
Hs Code.:

(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

Synonyms:(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

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Chemical Property of (E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

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Technology Process of (E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

There total 4 articles about (E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl 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:

: (2R,6R,7R)-7-tert-butoxycarbonylamino-3-formyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

: (RS)-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-yl]-triphenyl-phosphonium bromide

: 175917-53-0
(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

Guidance literature:: In ethyloxirane; 1,2-dichloro-ethane;

Reference yield:

: 95932-39-1
carbonic acid 4-aminophenyl ester tert-butyl ester

: 175917-53-0
(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 66.8 percent / Et₃N / CH₂Cl₂ / 0.5 h

2: 97 percent / Dowex 2 x 10, 50percent aq. NaOH / CH₂Cl₂ / 4 h / Ambient temperature

3: 1.) PPh₃ / 1.) benzene, reflux, 120 h, 2.) 1,2-dichloroethane, 1,2-epoxybutane, reflux, 3.5 h

With sodium hydroxide; Dowex 2 x 10; triethylamine; triphenylphosphine; In dichloromethane;
DOI:10.1021/jm950886v

Reference yield:

: 175917-50-7
carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester

: 175917-53-0
(E)-(2R,6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-3-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid benzhydryl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 97 percent / Dowex 2 x 10, 50percent aq. NaOH / CH₂Cl₂ / 4 h / Ambient temperature

2: 1.) PPh₃ / 1.) benzene, reflux, 120 h, 2.) 1,2-dichloroethane, 1,2-epoxybutane, reflux, 3.5 h

With sodium hydroxide; Dowex 2 x 10; triphenylphosphine; In dichloromethane;
DOI:10.1021/jm950886v