Azaporphyrin compounds

Details Azaporphyrin compounds Azaporphyrin compounds

1988-03-11

1989-11-21

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D48722

Patent

active

048824283

ABSTRACT:
A azaporphyrin compound of the formula: ##STR1## wherein M is 2H, or a metal atom of Group VIII, Ib, IIb, IIIb, IVa, Va, VIa or VIIa of the Periodic Table or its oxide or halide, and each of A.sup.1, A.sup.2, A.sup.3, A.sup.4, B.sup.1, B.sup.2, B.sup.3 and B.sup.4 is a heterocyclic group, provided that A.sup.1 and B.sup.1, A.sup.2 and B.sup.2, A.sup.3 and B.sup.3, and A.sup.4 and B.sup.4 are, respectively, cyclizable by irradiation with light to form a cyclohexadiene ring and thereby change the optical properties, and an optical recording material using such a compound wherein information recording can be made by irradiation with light.

REFERENCES:
patent: 3637739 (1972-01-01), Lamure
patent: 3923645 (1975-12-01), Anderson et al.
Dolphin, David, The Porphyrins, vol. 1, Academic Press 1978, pp. 3 to 9 and 21.

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