ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

Base Information

Chemical Name:ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate
CAS No.:126946-53-0
Molecular Formula:C₁₆H₂₂O₇S
Molecular Weight:358.412
Hs Code.:

Synonyms:ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

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Technology Process of ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

There total 2 articles about ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate 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: 99.0%

: 114185-07-8
ethyl (2R)-2-[(1S)-3,3-dimethyl(2,4-dioxolanyl)]-2-hydroxyacetate

: 98-59-9
p-toluenesulfonyl chloride

: 126946-53-0
ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

Guidance literature:: With pyridine; for 12h; Ambient temperature;

Reference yield:

: 15042-01-0
5,6-O-isopropylidene-L-ascorbic acid

: 126946-53-0
ethyl (2R,3S)-3,4-O-isopropylidene-2-p-toluenesulfonyl-3,4-dihydroxybutanoate

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) aq. K₂CO₃, 30percent aq. H₂O₂ / 1.) 20 deg C, overnight, 2.) CH₃CN, reflux, 24 h

2: pyridine, DMAP / CH₂Cl₂

With pyridine; dmap; dihydrogen peroxide; potassium carbonate; In dichloromethane;
DOI:10.1016/S0957-4166(98)00126-8