Thioxanthone derivatives

Details Thioxanthone derivatives Thioxanthone derivatives

1994-03-04

1995-05-09

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33512

Patent

active

054140927

ABSTRACT:
Thioxanthone derivatives of the general formula I ##STR1## wherein R.sup.1 wherein R.sup.1 represents a halogen atom or a C.sub.1-10 alkoxy group, R.sup.2 and R.sup.4 each represent a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.6 alkyl group, X represents oxygen or sulphur, and R.sup.3 represents a C.sub.1 -C.sub.10 alkyl group optionally substituted by a hydroxy group which hydroxy group may be alkylated by an optionally substituted C.sub.1-6 alkyl, C.sub.1-6 alkenyl or a benzyl group or acylated by a C.sub.1-8 alkanoyl or C.sub.1-8 alkenoyl group, a C.sub.1-10 alkenyl group, a C.sub.3 -C.sub.6 cycloalkyl group, a C.sub.1 -C.sub.8 alkanoyl group, a C.sub.1-8 alkenoyl group, an optionally substituted phenyl group, an optionally substituted benzyl group or an optionally substituted benzoyl group. Process for the preparation of the above thioxanthones, their use as photoinitiators, photopolymerisable compositions containing them, the use of such compositions for the production of photocured surface coating and products on which these photocured compositions have been applied.

REFERENCES:
patent: 4661595 (1987-04-01), var

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