3- (2-HALOALKYL) -1,4-OXATHINES AND 2- (2-HALOALKYL) -1,4-DITHIINS, PHARMACEUTICAL COMPOSITIONS CONTAINING SAME, AND PROCESS FOR THE TREATMENT OF LEUKEMIA AND TUMORS USING SAME

摘要

The invention relates to a 3- (2-HALOALKYL) -1,4-OXATHIN OR 2- (2-HALOALKYL) -1,4-DITHIINE OF FORMULA: BR/ (CF DRAWING IN BOPI) IN WHICH / P P R IS AN ALKYL GROUP CONTAINING UP TO 4 ATOMS OF CARBON, CYCLOHEXYL OR PHENYL; / P P R IS HYDROGEN OR ETHYL; / P P EACH OF R AND R IS HYDROGEN, METHYL OR ETHYL / P P AND WHEN ONE OF R AND R IS METHYL OR ETHYL, THE OTHER IS HYDROGEN; / P P X IS HALOGEN; AND / P P Y IS OXYGEN OR SULFUR, AND / P P WHEN IT IS SULFUR, R AND R ARE ALL TWO HYDROGEN. / P P THE INVENTION APPLIES IN PARTICULAR TO THE PREPARATION OF PHARMACEUTICAL COMPOUNDS USEFUL FOR THE REGRESSION OF LEUKEMIA OR TUMORS. / P