Benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes and interme

Details Benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes and interme Benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes and interme

1985-12-30

1988-04-05

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 94, C07D49106, C07D22106

Patent

active

047360321

ABSTRACT:
Novel benzopyrano[6,7,8-i,j]quinolizine-11-one lasing dyes and intermediates for their preparation are disclosed.

REFERENCES:
patent: 1915334 (1933-06-01), Salzberg et al.
patent: 3873940 (1975-03-01), Drexhage
Reynolds et al., Chem. Abstracts, vol. 83 (1975), entry 18640g.
Mar., ed., Advanced Organic Chemistry 2nd ed, (1977), pp. 547-548.

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