3-(2-Haloalkyl)-1,4-oxathiins and 2-(2-haloalkyl)-1,4-dithiins, and
申请人:Uniroyal Chemical Ltd./Uniroyal Chemical Ltee
公开号:US04822813A1
公开(公告)日:1989-04-18
Novel 3-(2-haloalkyl)-1,4-oxathiins or 2-(2-haloalkyl)-1,4-dithiins, useful for regressing or inhibiting the growth of leukemia and tumors in mammals. The compounds have the formula.: ##STR1## wherein R.sub.1 is an alkyl group containing up to 4 carbon atoms, cyclohexyl or phenyl; R.sub.2 is hydrogen or ethyl; R.sub.3 and R.sub.4 are each hydrogen, methyl or ethyl, and when either R.sub.3 and R.sub.4 is methyl or ethyl, the other is hydrogen; X is halogen; and Y is oxygen or sulfur and when Y is sulfur, R.sub.3 and R.sub.4 are both hydrogen. and pharmaceutical compositions comprising said compounds in admixture with a pharmaceutically acceptable substantially non-toxic carrier.