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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330385Generated: October 27, 2026

(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetyl chloride → 4-Chloro-3-hydroxybutyric acid ethyl ester, (3R)-

https://huagongshe.com/reaction/330385

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetyl chlorideHCID 3080792—
ReactantButanoic acid, 4-chloro-3-hydroxy-, ethyl esterHCID 4377704—
Product4-Chloro-3-hydroxybutyric acid ethyl ester, (3R)-HCID 2734445—

Reaction Steps

The resulting product was esterified with (R)α-methoxy-α-trifluoromethylphenylacetyl chloride, and the ester was analyzed by HPLC. From the area ratio of the chromatogram, the optical yield of the product was found to be 97.2% ee.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04895979
Source datasetuspto-grants-1990_01
ORD IDord-e77df226a15942e0a532ac81d947a918
Source noteuspto-grants-1990_01