Reaction off non-enolizable 2-n-butylthiomethylene cyclohexanones with methoxy (phenylthio)methyllithium, followed by hydrolysis off the diastereomeric mixture off resulting alcohols, provides a new and efficient ring enlargement reaction for the synthesis of the previously unreported 3-formyl-2-cyclohepten-1-ones.
将不可烯化的2-正丁基
硫亚甲基
环己酮与甲氧基(苯
硫基)
甲基锂反应,然后将非对映异构体混合物
水解为所得醇,为合成先前未报道的3-甲酰基-2-酮提供了一种新的有效的扩环反应。环庚-1-酮。