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Novel 1,2-cyclohexylaminoaryl amides useful as analgesic agents

  • US 4,906,655 A
  • Filed: 01/24/1989
  • Issued: 03/06/1990
  • Est. Priority Date: 01/24/1989
  • Status: Expired due to Term
First Claim
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1. A compound of formula ##STR13## and the pharmaceutically acceptable acid addition salts thereof wherein R1, R2, R3, R4 =H;

  • orwherein one of R1, R2, R3, R4 may be =OCH3 when the rest are all H;

    orwherein R1 =R4 =OCH3, and R2 =R3 =H;

    Ar is ##STR14## wherein X is hydrogen, fluorine, chlorine, alkyl of from one to six carbon atoms or aryl,n is an integer from 2 to 4, andA is oxygen or sulfur.

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