Substituted benzophenone dicarboxylic acids

Details Substituted benzophenone dicarboxylic acids Substituted benzophenone dicarboxylic acids

1990-09-04

1991-12-17

Dees, Jose G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549468, 549469, 556422, 560 21, 560 52, 560 9, 560 11, 562435, 562460, C07D30500

Patent

active

050735527

ABSTRACT:
Substituted benzophenones are disclosed having the following formula ##STR1## where R.sub.A and R.sub.B are each independently COOH, C.sub.1 to C.sub.12 linear or branched alkyl or taken together to form an anhydride ring, R is nitro or amino unsubstituted or substituted with at least one C.sub.1 to C.sub.6 linear or branched alkyl, phenyl or substituted phenyl, the substituents being one or more C.sub.1 to C.sub.6 linear or branched alkyl or C.sub.6 to C.sub.10 aryl, Y and Y' are the same or different and are a chemical bond ##STR2## and m is 0 or 1 with the proviso that both R.sub.A and R.sub.B can not be hydrogen.
Processes to produce these benzophenones are also disclosed.

REFERENCES:
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patent: 3898263 (1975-08-01), Rose et al.
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patent: 4600798 (1986-07-01), Cella
patent: 4612400 (1986-09-01), Durvasula
patent: 4820791 (1989-04-01), Hergenrother et al.
CA 70(26):116221x, 1969.
CA 113(20):181404e, 1988.
CA 113(26):241491t, 1988.
CA 88(09):62450x, 1978.

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