Process for grafting a substituted difluoromethyl group onto a c

Details Process for grafting a substituted difluoromethyl group onto a c Process for grafting a substituted difluoromethyl group onto a c

1996-03-22

1998-05-26

Ambrose, Michael G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

562493, 562605, 568 28, 568 56, 568 44, 568812, 568835, 568842, C07C 2938, C07C31500, C07C31914

Patent

active

057568499

ABSTRACT:
The invention relates to a process and a nucleophilic reagent which is useful for grafting a substituted difluoromethyl group onto a compound containing at least one electrophilic function, characterized in that it comprises:

REFERENCES:
patent: 4808748 (1989-02-01), Lin et al.
patent: 4990699 (1991-02-01), Stahly
Journal of Fluorine Chemistry, vol. 45, No. 3, Dec. 1989, Lausanne, CH, pp. 431-433, G.P. Stahly: `Trifluoromethylation of 1,3,5-Trinitrobenzene.`
Journal of the Chemical Society, Perkin Transactions 1, No. 7, Jul. 1990, Letchworth, GB, pp. 1951-1957, M. Tordeux, et al.: `Reactions of trifluoromethyl bromide and related halides: part 9. Comparison between additions to carbonyl compounds, enamines, and sulfur dioxide in the presence of zinc.`

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