Pyrylium dyes having a fused rigidized nitrogen-containing ring

Details Pyrylium dyes having a fused rigidized nitrogen-containing ring Pyrylium dyes having a fused rigidized nitrogen-containing ring

1973-08-20

1976-01-13

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260283PF, 260287P, 260289CF, 331 945, C07D21558

Patent

active

039324150

ABSTRACT:
A class of pyrylium dyes, having at least one rigidized, nitrogen-containing heterocyclic ring fused thereto is described. The rigidized dyes are useful lasing components in lasing media.

REFERENCES:
patent: 3822270 (1974-07-01), Reynolds

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