The stereoselective preparation of substituted pyrrolidines using titanium- and zirconium-mediated diene metallabicyclisation methodology: the total synthesis of (−)-α-kainic acid
作者:Andrew D. Campbell、Tony M. Raynham、Richard J. K. Taylor
DOI:10.1039/b005853j
日期:——
employed as the key step in a partial synthesis of (−)-α-kainic acid starting from D-serine, but the key metallabicyclisation sequence proceeded with poor stereocontrol. By contrast, the total synthesis of (−)-α-kainic acid starting from L-serine was accomplished using a titanium-mediated cyclisation sequence which proceeded with excellent stereocontrol. Novel kainoids and piperidines are also reported