N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

Base Information

Chemical Name:N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide
CAS No.:1353891-93-6
Molecular Formula:C₃₀H₃₂Cl₂N₄O₅
Molecular Weight:599.514
Hs Code.:

Synonyms:N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

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Chemical Property of N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

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Technology Process of N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

There total 22 articles about N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide 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: 99.0%

: 5625-67-2
2-Ketopiperazine

: 1353891-92-5
N-((1S,2R)-2-amino-1,2-bis(4-chlorophenyl)ethyl)-2-isopropoxy-4-methoxybenzamide

: 530-62-1
1,1'-carbonyldiimidazole

: 1353891-93-6
N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

Guidance literature:: N-((1S,2R)-2-amino-1,2-bis(4-chlorophenyl)ethyl)-2-isopropoxy-4-methoxybenzamide; 1,1'-carbonyldiimidazole; In dichloromethane; at 20 ℃; for 1.5h;

2-Ketopiperazine; In dichloromethane; at 20 ℃; for 18h;
DOI:10.1021/jo401321a

Reference yield: 95.0%

: 5625-67-2
2-Ketopiperazine

: 1353891-92-5
N-((1S,2R)-2-amino-1,2-bis(4-chlorophenyl)ethyl)-2-isopropoxy-4-methoxybenzamide

: 1353891-93-6
N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

Guidance literature:: N-((1S,2R)-2-amino-1,2-bis(4-chlorophenyl)ethyl)-2-isopropoxy-4-methoxybenzamide; With 1,1'-carbonyldiimidazole; In dichloromethane; at 20 ℃; for 1.5h;

2-Ketopiperazine; In dichloromethane; for 15h; Product distribution / selectivity;

Reference yield:

: 29559-24-8
4-chlorophenylnitromethane

: 1353891-93-6
N-((1R,2S)-1,2-bis(4-chlorophenyl)-2-(2-isopropoxy-4-methoxybenzamido)ethyl)-3-oxopiperazine-1-carboxamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: H,⁽⁴⁾pyrrolidine(6,7)(MeO)2Quin-BAM / toluene / 24 h / -78 °C

2.1: sodium tetrahydroborate; methanol / cobalt(II) chloride / 1 h / 0 °C

3.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dmap / dichloromethane / 16 h / 0 - 20 °C

4.1: trifluoroacetic acid / dichloromethane / 16 h / 20 °C

5.1: 1,1'-carbonyldiimidazole / dichloromethane / 1.5 h / 20 °C

5.2: 15 h

With methanol; sodium tetrahydroborate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 1,1'-carbonyldiimidazole; trifluoroacetic acid; dmap; H,⁽⁴⁾pyrrolidine(6,7)(MeO)2Quin-BAM; cobalt(II) chloride; In dichloromethane; toluene;