Synthetic studies on spinosyn A. Convenient enantioselective construction of a suitably functionalized trans,anti,cis-decahydro-as-indacene intermediate via [3.3] sigmatropy and double configurational inversion
作者:Leo A. Paquette、Zhongli Gao、Zhijie Ni、Graham F. Smith
DOI:10.1016/s0040-4039(97)00069-5
日期:1997.2
An enantioselective route to the decahydro-as-indacene15 is described. Anionic oxy-Coperearrangement of alcohol 5 initiates the sequence, which capitalizes on thermodynamics to control ultimate elaboration of the four key stereogenic centers resident in the several intermediates.