3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

Base Information

Chemical Name:3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid
CAS No.:237765-53-6
Molecular Formula:C₂₁H₂₀N₂O₅
Molecular Weight:380.4
Hs Code.:

Synonyms:3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

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Chemical Property of 3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

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Technology Process of 3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

There total 1 articles about 3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid 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: 95.0%

: 237765-46-7
3-(1-benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid tert-butyl ester

: 237765-53-6
3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

Guidance literature:: With trifluoroacetic acid; In dichloromethane; at 0 ℃; for 3h;
DOI:10.1055/s-1999-3091

Reference yield:

: 541-41-3
chloroformic acid ethyl ester

: 237765-53-6
3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

: 237765-57-0
C₂₄H₂₄N₂O₇

Guidance literature:: With triethylamine; In tetrahydrofuran; at 0 - 20 ℃; for 16h;
DOI:10.1055/s-1999-3091

Reference yield:

: 237765-53-6
3-((S)-1-Benzyloxycarbonylamino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid

: 3-((S)-1-Amino-2-phenyl-ethyl)-5-methyl-isoxazole-4-carboxylic acid; hydrobromide

Guidance literature:: Multi-step reaction with 2 steps

1: Et₃N / tetrahydrofuran / 16 h / 0 - 20 °C

2: 75 percent / HBr / acetic acid / 1 h / 20 °C

With hydrogen bromide; triethylamine; In tetrahydrofuran; acetic acid;
DOI:10.1055/s-1999-3091