({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

Base Information

Chemical Name:({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester
CAS No.:862666-20-4
Molecular Formula:C₂₆H₃₁F₂N₃O₆
Molecular Weight:519.545
Hs Code.:

Synonyms:({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

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Chemical Property of ({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

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Technology Process of ({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

There total 12 articles about ({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic 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:

: 858367-11-0
(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-difluorobenzyloxy)-2-methylbutyl]-4-nitro-5-phenylpyrrolidine-2-carboxylic acid

: 5680-79-5,883886-67-7
glycine ethyl ester hydrochloride

: 862666-20-4
({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

Guidance literature:: With diethyl cyanophosphonate; triethylamine; In N,N-dimethyl-formamide; at 20 ℃; for 16h;
DOI:10.1002/anie.200462497

Reference yield:

: 858366-83-3
(2S,3S)-2-(2,3-difluorobenzyloxy)-3-methylpentanal

: 862666-20-4
({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: triethylamine / 16 h / 20 °C

2: methanesulfonyl chloride; ethyldiisopropylamine / CH₂Cl₂ / -70 - 20 °C

3: triethylamine; AgOAc / acetonitrile / 5 h / 20 °C

4: LiOH / 1,2-dimethoxy-ethane; H₂O / 0 °C

5: diethyl cyanophosphonate; triethylamine / dimethylformamide / 16 h / 20 °C

With lithium hydroxide; diethyl cyanophosphonate; silver(I) acetate; methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine; In 1,2-dimethoxyethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; 1: Henry reaction;
DOI:10.1002/anie.200462497

Reference yield:

: 858366-87-7
(2S,3S)-2-(2,3-Difluoro-benzyloxy)-3-methyl-pentan-1-ol

: 862666-20-4
({(2S,3R,4S,5S)-3-[(1S,2S)-1-(2,3-Difluoro-benzyloxy)-2-methyl-butyl]-4-nitro-5-phenyl-pyrrolidine-2-carbonyl}-amino)-acetic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: oxalyl chloride; dimethyl sulfoxide; triethylamine / CH₂Cl₂ / 5 h / -70 - -60 °C

2: triethylamine / 16 h / 20 °C

3: methanesulfonyl chloride; ethyldiisopropylamine / CH₂Cl₂ / -70 - 20 °C

4: triethylamine; AgOAc / acetonitrile / 5 h / 20 °C

5: LiOH / 1,2-dimethoxy-ethane; H₂O / 0 °C

6: diethyl cyanophosphonate; triethylamine / dimethylformamide / 16 h / 20 °C

With lithium hydroxide; oxalyl dichloride; diethyl cyanophosphonate; silver(I) acetate; dimethyl sulfoxide; methanesulfonyl chloride; triethylamine; N-ethyl-N,N-diisopropylamine; In 1,2-dimethoxyethane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile; 2: Henry reaction;
DOI:10.1002/anie.200462497