Synthesis of the BCDE Molecular Fragment of Azadiradione Mediated by Titanocene(III)
作者:A. Fernández-Mateos、S. Encinas Madrazo、P. Herrero Teijón、R. Rabanedo Clemente、R. Rubio González、F. Sanz González
DOI:10.1021/jo401646g
日期:2013.10.4
A practical, short, and diastereoselective synthesis of the azadiradione BCDE fragment from a readily available starting material is described. The key step was the titanocene(III)-promoted tandem cyclization of unsaturated epoxy nitrile.