(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

Base Information

Chemical Name:(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester
CAS No.:204915-18-4
Molecular Formula:C₂₀H₂₇NO₅
Molecular Weight:361.438
Hs Code.:

Synonyms:(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

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Chemical Property of (2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

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Technology Process of (2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

There total 7 articles about (2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid 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:

: 113400-36-5,400626-71-3
benzyl (2S)-N-tert-butoxycarbonyl-5-oxoprolinate

: 204915-18-4
(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 1.) LHMDS / 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 2 h

2: 1.) Et₃BHLi, 2.) 30percent aq. H₂O₂ / 1.) THF, -78 deg C, 30 min, 2.) THF, 0 deg C, 20 min

3: 1.) O₃, 2.) Ph₃P / 1.) CH₂Cl₂, -78 deg C, 2.) CH₂Cl₂, from -78 deg C to RT, 2 h

4: PDC / dimethylformamide / 9 h / Ambient temperature

5: NaHCO₃ / dimethylformamide / 20 h / Ambient temperature

6: TFA / 0.5 h / Ambient temperature

7: Et₃N / CH₂Cl₂ / 1 h / Ambient temperature

With dipyridinium dichromate; dihydrogen peroxide; lithium triethylborohydride; sodium hydrogencarbonate; ozone; triethylamine; triphenylphosphine; trifluoroacetic acid; lithium hexamethyldisilazane; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja972494e

Reference yield:

: 204914-89-6
(2S,4S)-4-(2-Oxo-ethyl)-pyrrolidine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

: 204915-18-4
(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: PDC / dimethylformamide / 9 h / Ambient temperature

2: NaHCO₃ / dimethylformamide / 20 h / Ambient temperature

3: TFA / 0.5 h / Ambient temperature

4: Et₃N / CH₂Cl₂ / 1 h / Ambient temperature

With dipyridinium dichromate; sodium hydrogencarbonate; triethylamine; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja972494e

Reference yield:

: (2S,4S)-4-Carboxymethyl-pyrrolidine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

: 204915-18-4
(2S,4S)-1-(2,2-Dimethyl-propionyl)-4-methoxycarbonylmethyl-pyrrolidine-2-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: NaHCO₃ / dimethylformamide / 20 h / Ambient temperature

2: TFA / 0.5 h / Ambient temperature

3: Et₃N / CH₂Cl₂ / 1 h / Ambient temperature

With sodium hydrogencarbonate; triethylamine; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja972494e