2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

Base Information

Chemical Name:2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester
CAS No.:171011-86-2
Molecular Formula:C₂₁H₃₂N₂O₆SSi
Molecular Weight:468.646
Hs Code.:

Synonyms:2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

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Chemical Property of 2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

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Technology Process of 2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

There total 10 articles about 2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic 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: 66.0%

: (2R)-2-<<(2S)-3-(Benzyloxy)-2-methyl-2-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>propionyl>amino>-3-oxobutyric acid methyl ester

: 171011-86-2
2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

Guidance literature:: With iodine; triethylamine; triphenylphosphine; In tetrahydrofuran; 1.) -60 deg C, 20 min, 2.) 0 deg C, 2 h;
DOI:10.1021/jo00127a030

Reference yield:

: 168553-64-8
(S)-3-Benzyloxy-2-methyl-2-(2-trimethylsilanyl-ethanesulfonylamino)-propionic acid

: 171011-86-2
2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: DMAP, bromotripyrrolidinophosphonium hexafluorophosphate

2: Dess-Martin reagent

3: Ph₃P, I₂, NEt₃

With dmap; iodine; Dess-Martin periodane; triethylamine; triphenylphosphine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate;
DOI:10.1055/s-1997-681

Reference yield:

: 118525-51-2
(2R,3R)-methyl 2-amino-3-hydroxybutanoate

: 171011-86-2
2-<(1S)-2-(Benzyloxy)-1-methyl-1-<<<2-(trimethylsilyl)ethyl>sulfonyl>amino>ethyl>-5-methyloxazole-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 82 percent / PyBrOP, DMAP, Huenig's base / CH₂Cl₂ / 12 h / 21 °C

2: 90 percent / Dess-Martin periodinate / CH₂Cl₂ / 0.33 h / 21 °C

3: 66 percent / Ph₃P, I₂, NEt₃ / tetrahydrofuran / 1.) -60 deg C, 20 min, 2.) 0 deg C, 2 h

With dmap; iodine; Dess-Martin periodane; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jo00127a030