Polyamic acid or polyimide

Details Polyamic acid or polyimide Polyamic acid or polyimide

1989-12-20

1991-05-07

Shen, Cecilia

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544336, 544405, C07D24102

Patent

active

050138405

ABSTRACT:
A polyamic acid or polyimide having 2,5-distyrylpyrazine units in the main chain thereof.

REFERENCES:
March, Advanced Organic Chemistry, 3rd Edition; p. 371, reaction 0-55, Acylation of Amines by Anhydrides.

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