摘要 |
Novel 2-aminopyrimidinone derivatives of formula <CHEM> wherein R<1> is <CHEM> R<3> is hydrogen or C1-6alkyl; R<4> is hydrogen, C1-6alkyl or substituted C1-6alkyl; R<5> is hydrogen, C1-6alkyl, C1-6alkylaminocarbonyl, Ar-aminocarbonyl, C1-6alkylcarbonyl or Ar-carbonyl; R<6> is hydrogen, C1-6alkyl or Ar-C1-6alkyl; or R<5> and R<6> taken together is -CH2-CH2-, -CH2-CH2-CH2-, -CH=CH-, -CH=N-, -N=CH- or -N=CH-CH2-; the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof; pharmaceutical compositions containing such compounds as an active ingredient and methods of preparing said compounds and pharmaceutical compositions. |