N-[2-hydroxy-1-(4-iodophenyl)-propyl]-2,5-dichloroisonicotinamide 在
二乙胺基三氟化硫 作用下,
以
二氯甲烷 为溶剂,
生成 4-[4-(4'-iodophenyl)-5-methyl-4,5-dihydro-oxazol-2-yl]-3,5-dichloropyridine 、 4-[4-(4'-iodophenyl)-5-methyl-4,5-dihydro-oxazol-2-yl]-3,5-dichloropyridine 、 4-[4-(4'-iodophenyl)-5-methyl-4,5-dihydro-oxazol-2-yl]-3,5-dichloropyridine 、 4-[4-(4'-iodophenyl)-5-methyl-4,5-dihydro-oxazol-2-yl]-3,5-dichloropyridine