| abstract |
PCT No. PCT/EP90/00392 Sec. 371 Date Aug. 29, 1991 Sec. 102(e) Date Aug. 29, 1991 PCT Filed Mar. 9, 1990 PCT Pub. No. WO90/11281 PCT Pub. Date Oct. 4, 1990. <IMAGE> (I) A compound of formula (I), where Ar is optionally substituted phenyl or methylenedioxyphenyl or benzothienyl, R1 is alkyl, R2 is selected from hydroxy, alkoxy, alkylthio, alkyl and optionally substituted phenyl or amino, and "Het" is a heterocyclic group. The compounds are platelet activating factor inhibitors. |