Photochromatic compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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Details

549234, 430343, 430339, 430336, 351163, C07D30760, C07D40506, C09K 900

Patent

active

048824380

ABSTRACT:
A compound represented by the following general formula [I] ##STR1## wherein ##STR2## represents a norbornylidene group or an adamantylidene group each of which may have a substituent, and

REFERENCES:
patent: 4215010 (1980-07-01), Hovey et al.
patent: 4220708 (1980-09-01), Heller
patent: 4685783 (1987-08-01), Heller et al.
patent: 4737449 (1988-04-01), Heller et al.
patent: 4803287 (1989-02-01), Hibino et al.

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