4-(1-Phenyl-1-(3-hydroxy-1-butyn-1-yl)-methylene)-piperidine-1-carboxylic Acid Tert-Butyl Ester 在
二氧化锰 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以to give the title compound (0.190 g, 97%) as a colorless oil的产率得到4-[1-phenyl-1-(3-oxo-1-butyn-1-yl)methylene]-piperidine-1-carboxylic acid tert-butyl ester