(S)-(-)- α-甲基苄胺 、
4-((1S,2S,5S)-6,6-Dimethyl-bicyclo[3.1.1]hept-2-yl)-2,6-dimethyl-1-propyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester 在
二甲基铝酰胺 作用下,
以
苯 为溶剂,
反应 14.0h,
以28%的产率得到(R)-4-((1S,2S,5S)-6,6-Dimethyl-bicyclo[3.1.1]hept-2-yl)-2,6-dimethyl-5-((S)-1-phenyl-ethylcarbamoyl)-1-propyl-1,4-dihydro-pyridine-3-carboxylic acid ethyl ester