Process of making selected poly(dianhydrides) compounds

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

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528206, 528220, 528271, 528360, 528361, 549241, C07D30789, C08G 6704, C08G 6700

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053367871

ABSTRACT:
A process of making poly(dianhydride) compounds having formulae (I) and (II): ##STR1## where m is 0 to 50. ##STR2## wherein n is 0 to 20 and X is bond junction, oxygen atom, sulfur atom, SO.sub.2, C(CF.sub.3), CO, C(CH.sub.3).sub.2, CF.sub.2 --O--CF.sub.2, CH.sub.2, and CHOH.

REFERENCES:
Ramirez et al., J. Org. Chem., vol. 41 (24), pp. 2909-2914 (1976).

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