FREMGANGSMAATE FOR FREMSTILLING AV NYE 2'-HALOMETHYLIDEN-,2'-ETHENYLIDEN- OG 2'-ETHYNYLCYTIDIN-, URIDEN OG GUANOSINDERIVATER.

摘要

This invention relates to certain novel2'-halomethylidene, 2'-ethenylidene and 2'-ethynyl cytidine,uridine and guanosine derivatives, and compositions thereof,which are useful in the treatment of patients afflicted withneoplastic or viral disease states.