Synthesis of 4'-C-ethynyl-beta-D-arabino- and 4'-C-ethynyl-2'-deoxy-beta- D-ribo-pentofuranosyl pyrimidines, and their biological evaluation.

Synthesis of 4'-C-ethynyl-beta-D-arabino- and 4'-C-ethynyl-2'-deoxy-beta- D-ribo-pentofuranosyl pyrimidines, and their biological evaluation.