trans-4-Biphenyl-4-yl-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 、
propane-2-sulfonic acid ((3S,4S)-4-biphenyl-4-yl-1-methyl-piperidin-3-yl)-amide 、 cis-4-Biphenyl-4-yl-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 在
Propane-2-sulfonic acid (cis-4-biphenyl-4-yl-1-methyl-piperidin-3-yl)-amide 、 silica 、
乙酸乙酯 、
甲醇 作用下,
生成 Propane-2-sulfonic acid (cis-4-biphenyl-4-yl-1-methyl-piperidin-3-yl)-amide