Light-sensitive triazines possessing trichloromethyl groups

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

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544216, C07D25120

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active

046199985

ABSTRACT:
Light-sensitive compounds are described which have the formula ##STR1## wherein R.sup.1 and R.sup.2 denote H or alkyl, R.sup.3 and R.sup.4 denote H or 4,6-bis-trichloromethyl-s-triazin-2-yl, R.sup.5 and R.sup.6 denote H or halogen, alkyl, alkenyl or alkoxy, and Ar denotes a mononuclear to trinuclear aromatic group.
These compounds are suitable as photoinitiators for free-radical polymerization or as photolytic acid donors for acid-cleavable compounds, and for cross-linking and color formation reactions. They are distinguished by a high sensitivity in various spectral ranges.

REFERENCES:
patent: 3758462 (1976-09-01), Siegrist et al.
patent: 3954475 (1976-05-01), Bonham et al.
patent: 3987037 (1976-10-01), Bonham et al.
patent: 4166176 (1979-08-01), Eckstein et al.
patent: 4189323 (1980-02-01), Buhr
patent: 4239850 (1980-12-01), Kita et al.
International application published under the Patent Cooperation Treaty (PCT) #WO81/02261, published Aug. 20, 1981.

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