Substituted benzophenone dicarboxylic acids

Details Substituted benzophenone dicarboxylic acids Substituted benzophenone dicarboxylic acids

1989-11-28

1991-10-29

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560 52, 562460, 568332, C07D49300, C07C 4976

Patent

active

050618105

ABSTRACT:
Substituted benzophenones are disclosed having the following formula ##STR1## where R.sub.A and R.sub.B are --OH, C.sub.1 to C.sub.12 linear or branched alkoxy or taken together with the adjacent carbonyl carbons form an anhydride ring, R.sub.1 and R.sub.2 are the same or different and are hydrogen, C.sub.1 to C.sub.6 linear or branched alkyl, halo, aryl unsubstituted or substituted with one or more aryloxy groups or R.sub.1 and R.sub.2 taken together are (CH.sub.2).sub.x where x is an integer from 3 to 6 with the proviso that R.sub.1 and R.sub.2 cannot both be hydrogen.
Processes to produce these benzophenones are also disclosed.

REFERENCES:
patent: 3287373 (1966-11-01), McCracken
Mirono et al., "4-(3,4-Diamino- benzoyl)phthalic anhydride" J. Org. Chem. USSR 9 (1973) 121-125.
Mirono et al., "Synthesis of benzophenone . . . " CA 78 (17) 110140p (1973).
Drechsler, "Polybenzyl benzenes . . " CA 62:10360d (1965).
Krasovitskii, "Dyes for dyeing . . ." CA 57:12673a (1960).

Affiliated with

Also associated with

Rating

Substituted benzophenone dicarboxylic acids does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Substituted benzophenone dicarboxylic acids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Substituted benzophenone dicarboxylic acids will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1401552