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Aminopiperidine 4-oxo-4H-chromen-2-yl compounds

  • US 5,214,055 A
  • Filed: 04/15/1992
  • Issued: 05/25/1993
  • Est. Priority Date: 05/18/1990
  • Status: Expired due to Fees
First Claim
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1. A compound selected from these of formula I ##STR158## in which:

  • m represents zero, 1, 2, 3, or 4,n represents 1 and p represent zero, 1 or 2,W represents oxygen, --NH--, or a single bond,R represents;

    4-oxo-4H-chromen-2-yl of formula F;

    ##STR159## in which;

    R7, R8 and R9, which may be the same or different, each represents hydrogen, halogen, (C1 -C6) -alkyl or -alkoxy, polyhalogenated (C1 -C6) alkyl, hydroxy, or R7 and R8 or R8 and R9 together form methylenedioxy, ethylenedioxy, furan ring or dihydrofuran ring andR1 represents hydrogen or (C1 -C6) alkyl, or carbocyclic aryl;

    R2 represents hydrogen, (C1 -C6) alkyl, (C2 -C6) alkenyl, (C4 -C7) cycloalkyl, benzyl or phenyl (each optionally substituted by one or more halogen, hydroxy, (C1 -C6) -alkyl or -alkoxy, (C7 -C12) aralkyl, (C2 -C7) alkoxyalkyl or polyhalogenated (C1 -C6) alkyl, the optical isomers thereof and the addition salts thereof with a pharmaceutically acceptable organic or mineral acid.

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