作者:Abdallah Deyine、Jean-Marie Poirier、Lucette Duhamel、Pierre Duhamel
DOI:10.1016/j.tetlet.2005.02.031
日期:2005.4
Condensation of enol ether 6 with methyl vinyl ketone led easily to ketoaldehyde 7 whose cyclisation afforded the azaspiranic enone 8, a key intermediate for the synthesis of the title alkaloids.
烯醇醚6与甲基乙烯基酮的缩合容易产生酮醛7,其环化作用提供了氮杂螺环烯酮8,这是标题生物碱合成的关键中间体。