Process for the synthesis of vinyldioxo compounds

Details Process for the synthesis of vinyldioxo compounds Process for the synthesis of vinyldioxo compounds

1995-05-05

1996-11-05

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31906

Patent

active

055719317

ABSTRACT:
An improved process for preparing a vinyl-substituted dioxo compound, in which process a vinyl aldehyde is reacted with a compound having three or more hydroxyl groups. In particular, the reaction is carried out, using an acid catalyst, in an organic solvent comprising an aliphatic solvent which forms a binary azeotrope with water as the reaction is driven to completion.

REFERENCES:
patent: 3010918 (1961-11-01), Ikeda
patent: 3010923 (1961-11-01), Ikeda
patent: 3014924 (1961-12-01), Brachman
patent: 3197484 (1965-07-01), Ikeda
patent: 5216179 (1993-06-01), Hoepp et al.
Hochberg, The chemistry of the vinyl cyclic acetals and their air drying reactions, JOCCA 48, 11, 1043-1068, 1965.

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