tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

Base Information

Chemical Name:tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate
CAS No.:1401625-47-5
Molecular Formula:C₁₉H₂₄BrN₃O₃
Molecular Weight:422.322
Hs Code.:

Synonyms:tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

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Chemical Property of tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

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Technology Process of tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

There total 10 articles about tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate 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: 82.0%

: 1401625-46-4
tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-carbamoylcyclopropylamino)-1-oxobutan-2-ylcarbamate

: 1401625-47-5
tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

Guidance literature:: With 1,3,5-trichloro-2,4,6-triazine; In N,N-dimethyl-formamide; at 20 ℃; for 4h; Product distribution / selectivity;

Reference yield: 73.0%

: 1401625-52-2
(1R,2R)-1-amino-2-(4-bromophenyl)cyclopropanecarbonitrile

: 34306-42-8
Boc-Abu

: 1401625-47-5
tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

Guidance literature:: Boc-Abu; With 4-methyl-morpholine; chloroformic acid ethyl ester; In dichloromethane; at 0 ℃; for 1h;

(1R,2R)-1-amino-2-(4-bromophenyl)cyclopropanecarbonitrile; In dichloromethane; at 20 ℃;

Reference yield:

: methyl-1-amino-2-(4-bromophenyl)cyclopropane-1-carboxylate

: 1401625-47-5
tert-butyl (S)-1-((1R,2R)-2-(4-bromophenyl)-1-cyanocyclopropylamino)-1-oxobutan-2-ylcarbamate

Guidance literature:: Multi-step reaction with 4 steps

1.1: DMT-MM / dichloromethane / 0 - 20 °C

2.1: water; lithium hydroxide monohydrate / tetrahydrofuran / 3 h / 20 °C

2.2: pH 4

3.1: chloroformic acid ethyl ester; triethylamine / dichloromethane / 1 h / 0 °C

3.2: 20 °C

4.1: 1,3,5-trichloro-2,4,6-triazine / N,N-dimethyl-formamide / 4 h / 20 °C

With 1,3,5-trichloro-2,4,6-triazine; lithium hydroxide monohydrate; DMT-MM; water; chloroformic acid ethyl ester; triethylamine; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;