2'-Halogen methylidene-cytidine derivatives, their preparation and use and pharmaceutical composition containing such derivatives as well as 2-arylsulfonyl halogen methylidene nucleoside

摘要

This invention relates to certain novel 2 min -halomethylidene, 2 min -ethenylidene and 2 min -ethynyl cytidine, uridine and guanosine derivatives, and compositions thereof, which are useful in the treatment of patients afflicted with neoplastic or viral disease states.