4-cyano-1H-imidazole-2-carboxylic acid [4-bromo-2-(4,4-dimethyl-cyclohex-1-enyl)-phenyl]-amide 、
1,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxa-bicyclo[3.2.1]octan-3-one 在
异丙基氯化镁 、
叔丁基锂 作用下,
以
四氢呋喃 、
正戊烷 为溶剂,
反应 1.0h,
以51%的产率得到4-cyano-1H-imidazole-2-carboxylic acid [4-[(3-exo)-1,5-bis-(tert-butyl-dimethyl-silanyloxymethyl)-3-hydroxy-8-oxa-bicyclo[3.2.1]oct-3-yl]-2-(4,4-dimethyl-cyclohex-1-enyl)-phenyl]-amide