Cycloaromatization of α-oxoketene dithioacetals with 2-picolyllithium: A facile quinolizinium cation annelation
作者:Maiiakel P Balu、Hiriyakkanavar Ila、Hiriyakkanavar Junjappa
DOI:10.1016/s0040-4039(00)96275-0
日期:——
α-Oxoketenedithioacetals derived from various cyclic and acyclic ketones are shown to be useful intermediates for the synthesis of substituted and fused quinolizinium derivatives by reaction with 2-picolyllithium followed by cyclization in the presence of borontrifluoride etherate.