Stilbene derivative compound, process for producing the...

Details Stilbene derivative compound, process for producing the... Stilbene derivative compound, process for producing the...

2004-09-17

2008-11-11

O'Sullivan, Peter G (Department: 1621)

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

Organic compounds

Amino nitrogen containing

Reexamination Certificate

active

07449602

ABSTRACT:
A stilbene derivative compound having a specific substituent at the specific position thereof to exert good compatibility with a binder resin and to tend to be uniformly dispersed in a photoconductive layer so as to allow prolonged specified sensitive property, a process for the production thereof, and an electrophotographic photoconductor containing the stilbene derivative compound are provided.For preparing a stilbene derivative compound represented by the general formula (1), a specified formylated triphenylamine derivative compound and a specified diphosphate ester derivative compound are allowed to be reacted with each other in the presence of a catalyst.(wherein “A” is a divalent organic group having aromatic hydrocarbon as a basic skeleton, each of the plural R1to R7is a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or the like, each of the plural Ar1and Ar2is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, each of repeating numbers a and b is an integer of 0 to 4, and c is an integer of 1 to 3.)

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patent: 0 650 956 (1995-05-01), None
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patent: 2000-066419 (2000-03-01), None

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