环丙基溴化镁 、
[5-(3-cyano-benzyloxy)-4-formyl-6-methyl-pyridin-3-ylmethyl]-(4-cyano-phenyl)-carbamic acid tert-butyl ester 在
5-(3-cyano-benzyloxy)-4-formyl-6-methyl-pyridin-3-ylmethyl 作用下,
以gave [5-(3-cyano-benzyloxy)-4-(cyclopropyl-hydroxy-methyl)-6-methyl-pyridin-3-ylmethyl]-(4-cyano-phenyl)-carbamic acid tert-butyl ester (117) (293 mg, 57% yield)的产率得到[5-(3-cyano-benzyloxy)-4-(cyclopropyl-hydroxy-methyl)-6-methyl-pyridin-3-ylmethyl]-(4-cyano-phenyl)-carbamic acid tert-butyl ester