Polymerisable photochromic naphthacenediones, polymers of these

Details Polymerisable photochromic naphthacenediones, polymers of these Polymerisable photochromic naphthacenediones, polymers of these

1993-10-12

1996-01-30

Kestler, Kimberly J.

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

Organic compounds

Tetracyclo naphthacene configured ring system having at...

552200, 552202, 552203, 552205, 552206, 548518, 548523, 548528, 548529, 546186, 546187, 546189, 546190, 546191, 546192, 546195, 544121, 544130, 544141, 544154, 544360, 544364, 544365, 544372, 544374, 544380, 544381, 20415764, 20415765, C07C 5022, C07C 49617

Patent

active

054881196

ABSTRACT:
Compounds of formulae I and II ##STR1## wherein D is H or --OR wherein R is phenyl and R.sub.1 to R.sub.4 are H or a substituent such as phenylthio, and one of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a group of formula III

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Derwent Abstract No: 70-49840R/28 (1970).
Green et al, J. Macromol. Sci-Revs. Macro. Chem., C21(2), (1981-1982) pp. 187-273.
Delzenne, Adv. Photochem., vol. 11, (1979) pp. 1-103.

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