Photochromatic substances

Details Photochromatic substances Photochromatic substances

1995-06-07

1997-03-04

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544230, C07D22120, C07D23726, C07D23970, C07D24136

Patent

active

056080654

ABSTRACT:
Disclosed are adamantaneospiroheteroaromaticpyrans and adamantanospiro (1.3)oxazines of the general formula ##STR1## whereby R.sub.0 is a substituent from the series H, halogen, O-alkyl, N-alkyl,

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