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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1697657Generated: October 25, 2026

Trifluoroacetic acid → (2S,4R)-4-(4-Fluoro-2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic Acid Methyl Ester

https://huagongshe.com/reaction/1697657

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(2S,4R)-1-tert-butyl 2-methyl 4-(4-fluoro-2-(trifluoromethyl)phenylsulfonyl)pyrrolidine-1,2-dicarboxylateHCID 66771094—
SolventDichloromethaneHCID 6344—
Product(2S,4R)-4-(4-Fluoro-2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic Acid Methyl EsterHCID 66770389—

Reaction Steps

In analogy to the procedure described in example 253a, (2S,4R)-4-(4-fluoro-2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester was treated with trifluoroacetic acid in dichloromethane to give the title compound as yellow oil. MS (ESI): m/z=356.1 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08163793B2
Source datasetuspto-grants-2012_04
ORD IDord-712c6e1e9c014739bc0d5294434ff13d
Source noteuspto-grants-2012_04