© 1999 by Oxford University Press
Synthesis and biological activity of unusual nucleosides having 3,4-bis(hydroxymethyl) thietane ring as a sugar moiety
1 Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama 223, Japan, 2 Research Laboratories, Pharmaceuticals Group, Nippon Kayaku Co. Ltd. Shimo, Kita-ku, Tokyo 115, Japan
The enantiomerically pure synthesis of 9-[(2'S, 3'S)-bis(hydroxymethyl)thietan-1'-yl]adenine 2, 3'-thio analog of oxetanocin A, was achieved via coupling of silylated 6-chloropurine and sulfoxide 16 under Pummerer reaction conditions.