(E)-N-(2,6-dimethoxybenzyl)-1-phenylmethanimine 、
dimethyl 2-(4-methoxyphenyl)cyclopropane-1,1-dicarboxylate 在
(4S,4'S)-2,2'-(4-chloropyridine-2,6-diyl)bis(4-(tert-butyl)-4,5-dihydrooxazole) 、 magnesium iodide 作用下,
以
四氯化碳 为溶剂,
生成 (2S,5S)-dimethyl 1-(2,6-dimethoxybenzyl)-5-(4-methoxyphenyl)-2-phenylpyrrolidine-3,3-dicarboxylate 、
(2R,5R)-dimethyl 1-(2,6-dimethoxybenzyl)-5-(4-methoxyphenyl)-2-phenylpyrrolidine-3,3-dicarboxylate