Honda Toshio, Katoh Misugi, Ushiwata Makoto, Shigehisa Hiroki
Faculty of Pharmaceutical Sciences, Hoshi University, Shinagawa-ku, Tokyo, Japan.
Arch Pharm (Weinheim). 2008 Sep;341(9):578-83. doi: 10.1002/ardp.200700218.
Optically pure N-Boc-norpandamarilactonine-B was diastereoselectively synthesized starting from L-serine by employing a double ring closing metathesis (RCM) of a tetraene derivative as a key reaction. N-Boc-norpandamarilactonine-B obtained was further converted to pandamarilactonine-A.