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  • Diastereocontrolled synthesis of enantioenriched 3,4-disubstituted beta-prolines.

Diastereocontrolled synthesis of enantioenriched 3,4-disubstituted beta-prolines.

The Journal of organic chemistry (2007-01-16)
Fabrice Denes, Alejandro Perez-Luna, Fabrice Chemla
ABSTRACT

Enantioenriched 3,4-disubstituted beta-prolines have been prepared with a high diastereocontrol through a carbometalation reaction or through a domino Michael addition/carbometalation reaction.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Methyl 2-(bromomethyl)acrylate, 97%
Sigma-Aldrich
(R)-(−)-Pyrrolidine-3-carboxylic acid, ≥99.0% (NT)
Sigma-Aldrich
(S)-(+)-Pyrrolidine-3-carboxylic acid, ≥98.0% (NT)