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Spiro-isoxazolidine derivatives as cholinergic agents

  • US 5,073,560 A
  • Filed: 07/20/1990
  • Issued: 12/17/1991
  • Est. Priority Date: 07/20/1990
  • Status: Expired due to Fees
First Claim
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1. A compound of formula I, ##STR7## wherein:

  • A represents (CH2)m optionally substituted by R3,B represents (CH2)n optionally substituted by R4,R1 represents hydrogen, C1 -C6 alkyl, C1-6 alkenyl or C1-6 alkynyl,R2 represents hydrogen, C1 -C6 alkyl or COOR5, in which R5 represents C1 -C6 alkyl,R3 and R4 independently represent hydrogen or C1 -C6 alkyl,n and m independently represent an integer 2,Y represents O or S,and pharmaceutically acceptable acid addition salts thereof.

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