Fluorescent azolyl benzocoumarin dyestuffs

Details Fluorescent azolyl benzocoumarin dyestuffs Fluorescent azolyl benzocoumarin dyestuffs

1979-05-29

1981-03-17

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

25230117, 25230129, 25230127, 25230135, 548159, 548204, 548217, 548374, C07D40504, C09K 902, C09K 1106

Patent

active

042569001

ABSTRACT:
Compounds of the formula ##STR1## wherein A represents N or C-Cl,
and, in the case where A.dbd.N, their quaternization products of the formula ##STR2## in which R represents an alkyl, cycloalkyl or aralkyl radical and

REFERENCES:
patent: 3271412 (1966-09-01), Raue et al.
patent: 3660424 (1972-05-01), Kabas et al.
patent: 3784570 (1974-01-01), Schellhammer
patent: 3925405 (1975-12-01), Boehmke et al.
patent: 3966755 (1976-06-01), Schlapfer

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