Phenyl alkyl ketone substituted by cyclic amine and a process fo

Details Phenyl alkyl ketone substituted by cyclic amine and a process fo Phenyl alkyl ketone substituted by cyclic amine and a process fo

1998-06-01

1999-11-02

Richter, Johann

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

544392, 544395, 546194, 546237, 548577, 548950, 5483791, 5483471, C07D20704, C07D295112, C07D21132, C07D23304

Patent

active

059773570

ABSTRACT:
A novel process for the preparation of compounds of formula I ##STR1## by aminolysis of a p-halophenyl alkyl ketone of formula II ##STR2## with a cyclic amine of formula III ##STR3## in water at a temperature of at least 130.degree. C., in which formulae X is a halogen atom and R.sub.1, R.sub.2 and R.sub.3 are as claimed in claim 1, as well as the novel compounds of formula I and their use for the preparation of photoinitiators for the photopolymerisation of ethylenically unsaturated compounds.

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