Processes of making γ,δ-unsaturated carboxylic...

Details Processes of making γ,δ-unsaturated carboxylic... Processes of making γ,δ-unsaturated carboxylic...

2007-12-11

2007-12-11

Nazario-Gonzalez, Porfirio (Department: 1621)

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

Organic compounds

Silicon containing

C556S431000, C556S432000, C556S440000, C556S442000, C556S465000, C556S466000, C556S479000, C556S482000, C562S598000

Reexamination Certificate

active

10947129

ABSTRACT:
A γ,δ-unsaturated carboxylic acid silyl ester is prepared by reacting an α,β-unsaturated carboxylic acid ester with a hydrosilane or hydrosiloxane in the presence of tris(pentafluorophenyl)borane. γ,δ-Unsaturated carboxylic acid derivatives are readily prepared through fewer steps and in high yields.

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