Aromatic ketones and processes for their preparation

CAFC
  • US 5,581,011 A
  • Filed: 05/31/1995
  • Issued: 12/03/1996
  • Est. Priority Date: 06/24/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A compound of the formula:

  • ##STR42## wherein R3 is --COOH or --COOR4 ;

    R4 is an alkyl with 1 to 6 carbon atoms;

    A is the substituents of its ring, each of which may be different or the same, and are selected from the group consisting of hydrogen, halogens, alkyl, hydroxy or alkoxy.

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