Flexible synthesis of poison-frog alkaloids of the 5,8-disubstituted indolizidine-class. II: Synthesis of (-)-209B, (-)-231C, (-)-233D, (-)-235B", (-)-221I, and an epimer of 193E a...

by Soushi Kobayashi, Naoki Toyooka, Dejun Zhou, Hiroshi Tsuneki, Tsutomu Wada, Toshiyasu Sasaoka, Hideki Sakai, Hideo Nemoto, H. Martin Garraffo, Thomas F. Spande, John W. Daly
Published 2007-09-01