Electrophotographic light-sensitive material containing squaryli

Details Electrophotographic light-sensitive material containing squaryli Electrophotographic light-sensitive material containing squaryli

1988-12-02

1991-09-10

Martin, Roland

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

Organic compounds

Amino nitrogen containing

430 74, 430 76, 430 79, C07C21100

Patent

active

050475894

ABSTRACT:
An electrophotographic light-sensitive material comprising a conductive support having formed thereon a light-sensitive layer containing a squarylium compound represented by formula (I) or (II) ##STR1## wherein R.sub.1 represents a hydrogen atom, a methyl group, a carboxy group, a halogen atom, a trifluoromethyl group, an alkyl or phenyl-substituted carbonamido group, or an alkyl- or phenyl-substituted sulfonamido group; X.sub.1 and X.sub.2 each represents a group shown by ##STR2## wherein Z represents an atomic group necessary for forming a ring and R.sub.2 and R.sub.3, each represents an alkyl group having from 1 to 20 carbon atoms, a phenyl group, an unsubstituted benzyl group, or a benzyl group substituted by at least one of an alkyl group having from 1 to 6 carbon atoms, a hydroxy group, an alkoxy group having from 1 to 4 carbon atoms, a halogen atom, a nitro group, a cyano group, an alkoxycarbonyl group having from 2 to 5 carbon atoms, and a trifluoromethyl group); and X.sub.3 represents a hydrogen atom, a methyl group, a fluorine atom, or a hydroxy group.

REFERENCES:
patent: 4606986 (1986-08-01), Yanus et al.
patent: 4624904 (1986-11-01), Kazmaier et al.
patent: 4746756 (1988-05-01), Kazmaier et al.

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