1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and pho

Details 1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and pho 1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and pho

1988-12-08

1991-01-08

Welsh, J. David

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430 78, G03G 506, C07D48722

Patent

active

049837419

ABSTRACT:
1,2,4,5-Benzoylenebis(naphtho[2,3-d]imidazole compounds of the following formula (I) or (II): ##STR1## wherein R and R' each are a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group which may be esterified, a sulfonic acid group which may be esterified, a lower alkyl group, a lower alkenyl group, a lower alkoxy group, an aryl group which may be substituted, an aralkyl group which may be substituted, a carbamoyl group which may be substituted or a sulfamoyl group which may be substituted and m and n each are an integer of 1 or 2, and photosensitive members for electrophotography having a photosensitive layer containing these compounds.

REFERENCES:
patent: 4752561 (1988-06-01), Nishijima

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