5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

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Chemical Name:5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester
CAS No.:1427744-12-4
Molecular Formula:C₂₁H₂₄ClN₃O₅S
Molecular Weight:465.958
Hs Code.:

Synonyms:5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

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Chemical Property of 5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

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Technology Process of 5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

There total 4 articles about 5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl 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: 82.0%

: 300356-14-3
(R)-2-(3-chloro-4-(methylsulfonyl)phenyl)-3-cyclopentylpropanoic acid

: 710322-34-2
5-amino-pyrazine-2-carboxylic acid tert-butyl ester

: 1427744-12-4
5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: (R)-2-(3-chloro-4-(methylsulfonyl)phenyl)-3-cyclopentylpropanoic acid; With oxalyl dichloride; N,N-dimethyl-formamide; In dichloromethane; at 0 - 25 ℃; for 2.25h;

5-amino-pyrazine-2-carboxylic acid tert-butyl ester; With pyridine; In dichloromethane; at 0 - 25 ℃; for 3.5h;

Reference yield: 74.0%

: 300356-14-3
(R)-2-(3-chloro-4-(methylsulfonyl)phenyl)-3-cyclopentylpropanoic acid

: 13924-94-2
5-amino-pyrazine-2-carboxylic acid methyl ester

: 1427744-12-4
5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: Inert atmosphere;
DOI:10.1021/ml400027y

Reference yield:

: 33332-25-1
methyl 5-chloropyrazine-2-carboxylate

: 1427744-12-4
5-[2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionylamino]-pyrazine-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: silver fluoride / acetonitrile / Inert atmosphere; Reflux

2: ammonia / tetrahydrofuran / -78 - 20 °C / Inert atmosphere; Sealed tube

3: Inert atmosphere

With ammonia; silver fluoride; In tetrahydrofuran; acetonitrile;
DOI:10.1021/ml400027y