##STR1## in which: R.sub.1 and R.sub.2, which may be identical or different, represent hydrogen or halogen, alkyl, substituted or unsubstituted phenyl, benzyl, pyridylmethyl or imidazolylmethyl or thiazolylmethyl, pyridyl, imidazolyl or thiazolyl, or alternatively, R.sub.1 and R.sub.2 form, with the carbon atoms to which they are attached, cyclopentane or cyclohexane, R.sub.3 represents hydroxyl, linear or branched (C.sub.1 -C.sub.6) alkoxy or unsubstituted or substituted amino, R.sub.4 represents alkyl, unsubstituted or substituted phenyl, naphthyl, pyridyl or thienyl, X represents methylene or oxygen or sulfur, its enantiomers and its addition salts with a pharmaceutically acceptable base, and medicinal products containing the same are useful as anti-thrombotic.
其中:R.sub.1和R.sub.2,可能相同也可能不同,代表氢或卤素,烷基,取代或未取代苯基,苄基,
吡啶甲基或
咪唑甲基或
噻唑甲基,
吡啶,
咪唑或
噻唑,或者,R.sub.1和R.sub.2与它们连接的碳原子形成
环戊烷或
环己烷,R.sub.3代表羟基,直链或支链(C.sub.1-C.sub.6)烷氧基或未取代或取代的
氨基,R.sub.4代表烷基,未取代或取代的苯基,
萘基,
吡啶基或
噻吩基,X代表亚甲基或氧或
硫,其对映体及其与药用可接受的碱形成的加合物,以及含有相同物质的药品可用作抗血栓药物。