Process for the preparation of alkenylbenzene derivatives or...

Details Process for the preparation of alkenylbenzene derivatives or... Process for the preparation of alkenylbenzene derivatives or...

C - Chemistry, Metallurgy

07

C

260/611, 260/558

C07C 15/52 (2006.01) C07C 2/86 (2006.01) C07C 17/26 (2006.01) C07C 25/24 (2006.01) C07C 43/215 (2006.01) C07C 45/68 (2006.01) C07C 205/06 (2006.01) C07D 239/26 (2006.01)

Patent

CA 1183152

Abstract Compounds of the formula I Image (I) in which Z, Z1, R, m and p are as defined in patent claim 1, can be obtained in a simple and economical manner by a novel process wherein a halide of the formula II Image (II) is reacted with a substituted or unsubstituted vinylbenz- ene or vinylnaphthalene derivative in the presence of a base and of certain palladium catalysts, such as palladium acetate, The compounds (I) or functional derivatives preparable therefrom are useful. for example, for the preparation of known dyes or fluorescent brighteners, or can be used directly as fluorescent brighteners or as scintillators.

377411

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