作者:Mark E. Scott、Yann Bethuel、Mark Lautens
DOI:10.1021/ja067304r
日期:2007.2.1
A highly selective Lewis acid-catalyzed ring expansion of methylenecyclopropyl hydrazones to isomeric cyclic diazadienes is reported. In general, good to excellent yields and selectivities were obtained for a broad range of hydrazone derivatives.