N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

Base Information

Chemical Name:N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester
CAS No.:250137-72-5
Molecular Formula:C₁₈H₂₅NO₆
Molecular Weight:351.4
Hs Code.:

Synonyms:N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

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Chemical Property of N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

There total 2 articles about N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic 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: 69.0%

: 6940-80-3,6940-81-4
(S)-N-benzylalaninol

: (+/-)-(R,S)-2,3-di-O-isopropylidenetartaric acid monomethyl ester

: 250137-72-5
N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

Guidance literature:: With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate; In dichloromethane; at 25 ℃; for 12h;
DOI:10.1021/jo9904967

Reference yield:

: 6134-82-3
dimethyl meso-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate

: 250137-72-5
N-benzyl-N'-[(1S)-2-hydroxy-1-methylethyl]-(2R,3S)/(2S,3R)-2,3-di-isopropylidenetartramic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 48 percent / LiOH*H₂O / methanol; H₂O / 0.5 h / 0 °C

2: 69 percent / bromotripyrrolidinophosphonium hexafluorophosphate; DIPEA / CH₂Cl₂ / 12 h / 25 °C

With lithium hydroxide; N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate; In methanol; dichloromethane; water; 1: Hydrolysis / 2: Acylation;
DOI:10.1021/jo9904967