(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

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Chemical Name:(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester
CAS No.:262297-21-2
Molecular Formula:C₁₈H₂₃N₃O₆S
Molecular Weight:409.463
Hs Code.:

Synonyms:(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

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Chemical Property of (2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

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Technology Process of (2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

There total 3 articles about (2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl 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: 65.0%

: 507-09-5
tiolacetic acid

: 262297-20-1
(2S,4R)-4-Hydroxy-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

: 262297-21-2
(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: With triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; at 0 - 20 ℃;
DOI:10.1016/S0960-894X(99)00646-0

Reference yield:

: 262297-18-7
(2S,4R)-4-(tert-Butyl-dimethyl-silanyloxy)-2-vinyl-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

: 262297-21-2
(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 43 percent / AcONa / ethanol; H₂O / 5 h / Heating

2: 86 percent / TBAF / tetrahydrofuran / 0.5 h / 20 °C

3: 65 percent / Ph₃P; DEAD / tetrahydrofuran / 0 - 20 °C

With tetrabutyl ammonium fluoride; sodium acetate; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; ethanol; water; 1: Cycloaddition / 2: desilylation / 3: Mitsunobu reaction;
DOI:10.1016/S0960-894X(99)00646-0

Reference yield:

: (2S,4R)-4-(tert-Butyl-dimethyl-silanyloxy)-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

: 262297-21-2
(2S,4S)-4-Acetylsulfanyl-2-(2-methyl-isoxazolidin-5-yl)-pyrrolidine-1-carboxylic acid 4-nitro-benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 86 percent / TBAF / tetrahydrofuran / 0.5 h / 20 °C

2: 65 percent / Ph₃P; DEAD / tetrahydrofuran / 0 - 20 °C

With tetrabutyl ammonium fluoride; triphenylphosphine; diethylazodicarboxylate; In tetrahydrofuran; 1: desilylation / 2: Mitsunobu reaction;
DOI:10.1016/S0960-894X(99)00646-0