Substituted 2,7-dioxo-2,7-dihydrobenzo[1:2-b; 5:6-b.sup.1 ]difur

Details Substituted 2,7-dioxo-2,7-dihydrobenzo[1:2-b; 5:6-b.sup.1 ]difur Substituted 2,7-dioxo-2,7-dihydrobenzo[1:2-b; 5:6-b.sup.1 ]difur

1980-07-10

1982-06-08

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

8471, 8636, 8922, 8927, 2603405R, 2603433R, 548429, 548431, 549435, 549457, 549458, C07D20956, C07D30777, C07D49304

Patent

active

043338771

ABSTRACT:
Dyestuffs having the general formula: ##STR1## wherein Z.sup.1 and Z.sup.2 each independently represent oxygen or ##STR2## in which Y is hydrogen, an optionally substituted hydrocarbon radical or an acyl radical,

REFERENCES:
patent: 4115404 (1978-09-01), Greenhalgh et al.
patent: 4122087 (1978-10-01), Greenhalgh et al.

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