{(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester

Base Information

• Chemical Name: {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester
• CAS No.: 1613552-13-8
• Molecular Formula: C₂₅H₄₅N₅O₅
• Molecular Weight: 495.663
• Mol file: 1613552-13-8.mol

Synonyms:{(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester

Chemical Property of {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester

There total 7 articles about {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic 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:

(2S,4S)-1-{(S)-2-[(S)-2-(tert-butoxycarbonyl-methyl-amino)-propionylamino]-2-cyclohexyl-acetyl}-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-2-carboxylic acid (1613552-04-7) + isopropylamine (75-31-0) → {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester (1613552-13-8)

Guidance literature:

(2S,4S)-1-{(S)-2-[(S)-2-(tert-butoxycarbonyl-methyl-amino)-propionylamino]-2-cyclohexyl-acetyl}-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-2-carboxylic acid; With N-ethyl-N,N-diisopropylamine; HATU; In N,N-dimethyl-formamide; at 0 ℃; for 0.25h;

isopropylamine; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

Reference yield:

(2S,4S)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester (174148-03-9) → {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester (1613552-13-8)

Guidance literature:

Multi-step reaction with 7 steps

1.1: potassium carbonate / methanol; water / 1 h / 20 °C

1.2: 16 h / 20 °C

2.1: dichloromethane / 2 h / 0 °C

3.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.5 h / 0 °C

3.2: 1 h

4.1: hydrogenchloride / 1,4-dioxane / 2 h / 0 °C

5.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.5 h / 0 °C

5.2: 1 h

6.1: palladium 10% on activated carbon; hydrogen / methanol / 1 h / 760.05 Torr

7.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.25 h / 0 °C

7.2: 1 h / 20 °C

With hydrogenchloride; palladium 10% on activated carbon; hydrogen; potassium carbonate; N-ethyl-N,N-diisopropylamine; HATU; In 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide;

Reference yield:

(2S,4S)-1-((S)-2-amino-2-cyclohexyl-acetyl)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-2-carboxylic acid benzyl ester hydrochloride → {(S)-1-[(S)-2-((2S,4S)-4-amino-2-isopropylcarbamoyl-pyrrolidin-1-yl)-1-cyclohexyl-2-oxo-ethylcarbamoyl]-ethyl}-methyl-carbamic acid tert-butyl ester (1613552-13-8)

Guidance literature:

Multi-step reaction with 3 steps

1.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.5 h / 0 °C

1.2: 1 h

2.1: palladium 10% on activated carbon; hydrogen / methanol / 1 h / 760.05 Torr

3.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 0.25 h / 0 °C

3.2: 1 h / 20 °C

With palladium 10% on activated carbon; hydrogen; N-ethyl-N,N-diisopropylamine; HATU; In methanol; N,N-dimethyl-formamide;

upstream raw materials:

(2S,4S)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester

(2S,4S)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

(2S,4S )-1-((S)-2-tert-butoxycarbonylamino-2-cyclohexyl-acetyl)-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-2-carboxylic acid benzyl ester

(2S,4S)-1-{(S)-2-[(S)-2-(tert-butoxycarbonyl-methyl-amino)-propionylamino]-2-cyclohexyl-acetyl}-4-(9H-fluoren-9-ylmethoxycarbonylamino)-pyrrolidine-2-carboxylic acid benzyl ester