generated enolate arising from the 1,4-addition of lithium dimethylcuprate to 3-methylcyclohex-2-en-1-one allows an efficient preparation of spiroketones, including a key intermediate for the synthesis of (±)-α-Chamigrene.
选择性生成的烯醇盐的区域特异性螺烷基化反应是由1,4-加成的二甲基二甲基
碳酸锂与3-甲基环己-2-烯-1-酮形成的,可以有效地制备螺酮,包括合成(±)-α的关键中间体-Chamigrene。