(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

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Chemical Name:(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester
CAS No.:198225-14-8
Molecular Formula:C₂₃H₃₄N₂O₄
Molecular Weight:402.534
Hs Code.:

Synonyms:(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

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Chemical Property of (S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

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Technology Process of (S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

There total 2 articles about (S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-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: 93.0%

: 3282-30-2
pivaloyl chloride

: 198225-13-7
(S)-1-[2-((S)-sec-Butylamino)-acetyl]-pyrrolidine-2-carboxylic acid benzyl ester

: 198225-14-8
(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 0 ℃; for 1h;
DOI:10.1016/S0040-4039(97)10028-4

Reference yield:

: 41324-66-7
H-Pro-OBzl

: 198225-14-8
(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 94 percent / pyridine / CH₂Cl₂ / 1 h / 0 °C

2: 68 percent / diisopropylethylamine / acetonitrile / 0.5 h / 0 °C

3: 93 percent / diisopropylethylamine / CH₂Cl₂ / 1 h / 0 °C

With pyridine; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetonitrile;
DOI:10.1016/S0040-4039(97)10028-4

Reference yield:

: 198225-14-8
(S)-1-{2-[((S)-sec-Butyl)-(2,2-dimethyl-propionyl)-amino]-acetyl}-pyrrolidine-2-carboxylic acid benzyl ester

: 198225-24-0
C₅₁H₈₁N₉O₁₅

Guidance literature:: Multi-step reaction with 7 steps

1: H₂ / 10percent Pd-C / methanol / 1 h / Ambient temperature

2: 87 percent / DCC, HOBT / CH₂Cl₂ / 1 h / Ambient temperature

3: 0.1M KOH / ethanol / 12 h / Ambient temperature

4: 84 percent / DCC, HOBT / CH₂Cl₂ / 3 h / Ambient temperature

5: 0.1M KOH / ethanol / 12 h / Ambient temperature

6: 84 percent / DCC, HOBT / CH₂Cl₂ / 3 h / Ambient temperature

7: NaOMe / methanol / 1 h / Ambient temperature

With potassium hydroxide; hydrogen; sodium methylate; benzotriazol-1-ol; dicyclohexyl-carbodiimide; palladium on activated charcoal; In methanol; ethanol; dichloromethane;
DOI:10.1016/S0040-4039(97)10028-4