4-(hydroxy(1-methyl-1H-imidazol-5-yl)methyl)-2-iodobenzonitrile 、
5-(3-chlorophenyl)-6-(hydroxymethyl)-1-methyl-2-oxo-1,2-dihydro-3-pyridinecarbonitrile 在
对甲苯磺酸 作用下,
以
甲苯 为溶剂,
生成 5-(3-Chloro-phenyl)-6-[(4-cyano-3-iodo-phenyl)-(3-methyl-3H-imidazol-4-yl)-methoxymethyl]-1-methyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile