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

Base Information

• Chemical Name: carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester
• CAS No.: 175917-50-7
• Molecular Formula: C₁₅H₁₉Br₂NO₄
• Molecular Weight: 437.128

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

Chemical Property of carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester

Chemical Property:

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Technology Process of carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester

There total 2 articles about carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester 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: 66.8%

2,4-dibromobutanoyl chloride (82820-87-9) + carbonic acid 4-aminophenyl ester tert-butyl ester (95932-39-1) → carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester (175917-50-7)

Guidance literature:

With triethylamine; In dichloromethane; for 0.5h;

DOI:10.1021/jm950886v

Reference yield:

carbonic acid-(4-amino-phenyl)-ester tert-butyl ester + 2,4-dibromobutanoyl chloride (82820-87-9) → carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester (175917-50-7)

Guidance literature:

With triethylamine; In dichloromethane;

Reference yield: 97.0%

carbonic acid (RS)-4-<(2,4-dibromobutyryl)amino>phenyl ester tert-butyl ester (175917-50-7) → carbonic acid (RS)-4-(3-bromo-2-oxopyrrolidin-1-yl)phenyl ester tert-butyl ester (175917-51-8)

Guidance literature:

With sodium hydroxide; Dowex 2 x 10; In dichloromethane; for 4h; Ambient temperature;

DOI:10.1021/jm950886v

upstream raw materials:

2,4-dibromobutanoyl chloride

carbonic acid 4-aminophenyl ester tert-butyl ester

Downstream raw materials:

carbonic acid (RS)-4-(3-bromo-2-oxopyrrolidin-1-yl)phenyl ester tert-butyl ester

(6R,7R)-7-tert-Butoxycarbonylamino-3-[1-(4-tert-butoxycarbonyloxy-phenyl)-2-oxo-pyrrolidin-(3E)-ylidenemethyl]-5,8-dioxo-5λ⁴-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

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

(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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