Fulgimide derivatives

Details Fulgimide derivatives Fulgimide derivatives

1990-07-27

1994-10-25

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548518, 548525, 548527, 548545, 548546, 548547, C07D207404, C07D40306, C07D40706, C07D40906, C07D42106

Patent

active

053590856

ABSTRACT:
A fulgimide derivative of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are independently alkyl cycloalkyl aryl etc.; R.sup.4 is thienyl, indolyl, furyl, etc.; X is a divalent organic residue; and R is amino, OH, etc., or a vinyl group, has a photochromic action and can be used for producing photochromic polymers and copolymers.

REFERENCES:
patent: 4220708 (1980-09-01), Heller
Quantum Yields of the Phtochromic Reactions of Heterocyclic Fulgides and Fugimides, by Veerle Deblauwe and Georges Smets, Makromol. Chem. 189, pp. 2503-2512, 1988, Belgium.
English Abstract of German Patent No. 2647850, Mar. 2, 1978.
English Abstract of German Patent No. 2441759, Mar. 13, 1975.

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