(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

Base Information

Chemical Name:(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester
CAS No.:120230-83-3
Molecular Formula:C₁₉H₂₆N₂O₅
Molecular Weight:362.426
Hs Code.:

Synonyms:(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

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Chemical Property of (S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

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Technology Process of (S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

There total 7 articles about (S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic 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:

: (2S,3R)-2-Benzyloxycarbonylamino-3-[((S)-1-methoxycarbonyl-ethylamino)-methyl]-4-methyl-pentanoic acid

: 120230-83-3
(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

Guidance literature:: With pyridine; In N,N-dimethyl-formamide; at 65 ℃; for 2.5h; Yield given;
DOI:10.1021/jo00274a037

Reference yield:

: 120230-78-6
tert-butyl (2S,3S)-2-<(9-phenylfluorenyl)amino>-3-isopropyl-4-hydroxybutanoate

: 120230-83-3
(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: H₂, HOAc / 10percent Pd/C / methanol / 760 Torr

2: NaHCO₃ / ethyl acetate; H₂O / 1.5 h / 0 °C

3: 80 percent / N-chlorosuccinimide (NCS), (CH₃)2S / toluene / 4 h / -25 °C

4: 52 percent / NaCNBH₃ / methanol / 2 h / Ambient temperature

5: 95-97percent formic acid / 1.5 h / 70 °C

6: pyridine / dimethylformamide / 2.5 h / 65 °C

With pyridine; N-chloro-succinimide; formic acid; dimethylsulfide; hydrogen; sodium cyanoborohydride; sodium hydrogencarbonate; acetic acid; palladium on activated charcoal; In methanol; water; ethyl acetate; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo00274a037

Reference yield:

: 120230-44-6
2-N-(9-phenylfluorenyl)-3-isopropyl-L-aspartic acid α-tert-butyl β-methyl diester

: 120230-83-3
(S)-2-((3S,4R)-3-Benzyloxycarbonylamino-4-isopropyl-2-oxo-pyrrolidin-1-yl)-propionic acid methyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 78 percent / diisobutylaluminum hydride (DIBAL) / toluene; hexane / 0.33 h / -30 °C

2: H₂, HOAc / 10percent Pd/C / methanol / 760 Torr

3: NaHCO₃ / ethyl acetate; H₂O / 1.5 h / 0 °C

4: 80 percent / N-chlorosuccinimide (NCS), (CH₃)2S / toluene / 4 h / -25 °C

5: 52 percent / NaCNBH₃ / methanol / 2 h / Ambient temperature

6: 95-97percent formic acid / 1.5 h / 70 °C

7: pyridine / dimethylformamide / 2.5 h / 65 °C

With pyridine; N-chloro-succinimide; formic acid; dimethylsulfide; hydrogen; diisobutylaluminium hydride; sodium cyanoborohydride; sodium hydrogencarbonate; acetic acid; palladium on activated charcoal; In methanol; hexane; water; ethyl acetate; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo00274a037