Pyrrolo[3,4-c]pyrroles

Details Pyrrolo[3,4-c]pyrroles Pyrrolo[3,4-c]pyrroles

1994-10-06

1996-01-16

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546271, 544333, C07D48704, C07D40304

Patent

active

054849438

ABSTRACT:
Pyrrolo[3,4-c]pyrroles of formula ##STR1## wherein D and E are each independently of the other a group of formula ##STR2## The symbols Q, R.sub.8, R.sub.9, R.sub.10, R.sub.11, X, Y, Z, m and n are as defined in claim 1.
These pyrrolo[3,4-c]pyrroles are distinguished by outstanding solid state fluorescence in the UV range as well as by the ease with which they can be converted to pyrrolopyrrole pigments even in the substrate in which they are incorporated.

REFERENCES:
patent: 4585878 (1986-04-01), Jost et al.
patent: 4791204 (1988-12-01), Jost et al.
patent: 4826976 (1989-05-01), Borror et al.
IQBAL et al., Derwent abstract 90-031710[05] for EP353,184A (1990).

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