A furo[2,2-c]pyran-beta-D-thymidine nucleoside analog was synthesized
from 5'-O-TBDMS-3'-C-allyl-thymidine by 4'-C-hydroxymethylation follow
ed by an electrophilic 6-membered ring annellation. The new bicyclonuc
leoside was devoid of activity against HIV. Copyright (C) 1996 Elsevie
r Science Ltd