A. Kutner et al., SYNTHESIS OF RETIFEROL RAD(1) AND RAD(2), THE LEAD REPRESENTATIVES OFA NEW CLASS OF DES-CD ANALOGS OF CHOLECALCIFEROL, Bioorganic chemistry, 23(1), 1995, pp. 22-32
The design and total convergent synthesis are described for the leadin
g representatives of the new class of analogs of cholecalciferol with
the CD-ring system replaced with a two-carbon aliphatic spacer. The le
ading representatives of C-21 retiferols (RAD(1) and RAD(2)) were obta
ined from a ring fragment derived from vitamin D and a chain fragment
obtained from S-(-)-beta-citronellol. (C) 1995 Academic Press, Inc.