| abstract |
ABSTRACT 3,6-DISUBSTITUTED-TRIAZOLO[3,4-a]PHTHALAZINE DERIVATIVES The present invention is directed to new 3,6-disubstituted-1,2,4-triazolo[3,4-a]phthalazi-ne derivatives of formula I wherein R1 is an amino group of formula NR4R5, or an alkoxy of cycloalkoxy group of formula OR6, and R2 and R3 represent hydrogen, halogen, (C1-C4)alkyl or (C1-C4)alkoxy, to the process for their preparation and to the pharmaceutical compositions containing them. The compounds of the present invention are active as anti-anxiety substances. |