Polycyclic compounds

Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...

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546 21, 546 23, 546 24, 546 79, 546 81, 546155, 106493, C08K 500

Patent

active

059682523

ABSTRACT:
Compounds of formula ##STR1## wherein R and R' are each independently of the other hydrogen, C.sub.1 -C.sub.18 alkyl, COR.sub.1, COR.sub.2 or COOR.sub.1,

REFERENCES:
patent: 3682929 (1972-08-01), Siggel et al.
patent: 4782153 (1988-11-01), Rochat et al.
patent: 5750758 (1998-05-01), Zambounis et al.
patent: 5776949 (1998-07-01), Cordi et al.
G.P. Ellis, "Synthesis of Fused Heterocycles, Part 2", 1992, XP-002069951.

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