Monoketopyrrolopyrroles

Details Monoketopyrrolopyrroles Monoketopyrrolopyrroles

1989-04-03

1991-05-21

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548453, 546271, C07D40102, C07D48704

Patent

active

050177060

ABSTRACT:
##STR1## wherein A and B independently of one another are carbocyclic or heterocyclic aromatic radicals, acyclic or cyclic aliphatic radicals or araliphatic radicals, Q is a divalent carbocyclic or heterocyclic aromatic, acyclic or cyclic aliphatic or araliphatic radical, E is a direct bond or a group --CO-- or --CS-- and X is a group --SR or --NRR', wherein R and R' independently of one another are hydrogen, carbocyclic or heterocyclic aromatic radicals, acyclic or cyclic aliphatic radicals or araliphatic radicals and R' can additionally be a group --O--halogen or --Q--EY--(C.sub.1 -C.sub.5 -alkyl), wherein Y is O or S, or R and R' form a 5-membered or 6-membered heterocyclic radical with the N atom to which they are bonded.
Pyrrolopyrroles of this type are suitable for coloring high-molecular organic material to give intensely colored, brilliant and transparent colorations with good general fastness properties, and for use in photoelectric recording materials as photoconductive substances.

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F. Closs et al., Angew. Chem. 99. 564 (1987).

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