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Reactions of difluorocarbene with organozinc reagents.

Organic letters (2013-02-02)
Vitalij V Levin, Artem A Zemtsov, Marina I Struchkova, Alexander D Dilman
ABSTRACT

Reactions of difluorocarbene with benzyl and alkylzinc halides leading to fluorinated organozinc species have been described. The generated α-difluorinated organozinc reagents are reasonably stable in solution and can be quenched with external electrophiles (iodine, bromine, proton), affording compounds containing the CF(2) fragment.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Bromine water, CP
Sigma-Aldrich
Bromine, SAJ first grade, ≥97.0%
Sigma-Aldrich
Bromine, ≥99.99% trace metals basis
Sigma-Aldrich
Bromine, JIS special grade, ≥99.0%
Sigma-Aldrich
Bromine, ACS reagent, ≥99.5%
Sigma-Aldrich
Bromine, reagent grade