Process for the preparation of unsaturated ketones...

Details Process for the preparation of unsaturated ketones... Process for the preparation of unsaturated ketones...

C - Chemistry, Metallurgy

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C07D 303/32 (2006.01) C07D 303/22 (2006.01) C07D 303/24 (2006.01) C07F 9/38 (2006.01) C08G 59/02 (2006.01) G03F 7/027 (2006.01)

Patent

CA 1149815

- 1 - Case 3-12135/ARL 291 PROCESS FOR THE PREPARATION OF UNSATURATED KETONES CONTAINING GLYCIDYL GROUPS ABSTRACT OF THE DISCLOSURE Diglycidyl unsaturated ketones of formula Image e.g., 1,5-bis(p-glycidyloxyphenyl)-1,4-pentadien-3-one, are prepared by condensing one molar equivalent of a ketone of formula R1-CH2COCH2-R2 with two molar equivalents of an o- or p- glycidyloxybenzaldehyde of formula Image in the presence of a basic catalyst, where R represents an alkyl or alkoxy group of 1 to 5 carbon atoms, an alkenyl group of 2 to 5 carbon atoms, a carbalkoxy group of - 2 - 2 to 10 carbon atoms, a cycloalkyl group of 5 to 8 carbon atoms, a halogen atom, a nitro group, or a carboxyl, sulfonic acid, or phosphonic acid group in the form of a salt, m represents zero or 1 to 4, and R1 and R2 each represent a hydrogen atom or an alkyl group of 1 to 5 carbon atoms, or together form a straight chain or branched alkylene group of 2 to 6 carbon atoms. The products are useful as photopolymerizable resins.

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