(2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

Base Information

Chemical Name:(2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester
CAS No.:1256389-46-4
Molecular Formula:C₁₉H₂₁BrN₄O₂
Molecular Weight:417.305
Hs Code.:

Synonyms:(2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

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Chemical Property of (2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

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Technology Process of (2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

There total 10 articles about (2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic 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: 64.0%

: 1399845-09-0
(2S,4S)-4-cyano-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester

: 1256389-46-4
(2S,4S)-2-[5-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: With ammonium acetate; In xylene; at 140 ℃; Inert atmosphere; Sealed tube;

Reference yield: 46.0%

: 1399845-09-0
(2S,4S)-4-cyano-pyrrolidine-1,2-dicarboxylic acid 2-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester

: 1256389-46-4
(2S,4S)-2-[4-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: With ammonium acetate; In toluene; for 1.5h; Inert atmosphere; Reflux;

Reference yield:

: 40216-83-9
L-4-hydroxyproline methyl ester hydrochloride

: 1256389-46-4
(2S,4S)-2-[4-(4-bromo-phenyl)-1H-imidazol-2-yl]-4-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: triethylamine / dichloromethane / 20 °C

2.1: triethylamine / dichloromethane / 1.83 h / 0 - 20 °C

3.1: dimethyl sulfoxide / 72 h / 55 °C / Inert atmosphere

4.1: sodium hydroxide; water / methanol / 20 °C

4.2: pH 2

5.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 20 °C / Inert atmosphere

6.1: ammonium acetate / toluene / 1.5 h / Inert atmosphere; Reflux

With ammonium acetate; water; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In methanol; dichloromethane; dimethyl sulfoxide; toluene; acetonitrile;