Imide carbonyl compounds and method for making

Details Imide carbonyl compounds and method for making Imide carbonyl compounds and method for making

1978-08-21

1980-08-12

Hollrah, Glennon H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260326S, 260326C, 26032636, 26032644, 546 98, C07D20948, C07D30789

Patent

active

042172810

ABSTRACT:
A method is described for making organic polycarboxylic acids or anhydrides, such as aromatic ether bis(phthalic acid)s, based on a cyclic imide-cyclic anhydride exchange reaction at elevated temperatures in the presence of water. In addition to making organic polycarboxylic acid and organic imides there are also generated certain imide carbonyl compounds such as ##STR1##

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patent: 4048190 (1977-09-01), Johnson et al.
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patent: 4134895 (1979-01-01), Roth et al.

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