[3-(4-methoxyphenyl)-4-methyl-5-phenyl-5H-1,2-oxazol-4-yl]-[3-(4-methoxyphenyl)-5-phenyl-4,5-dihydro-1,2-oxazol-4-yl]methanone 在
四氯苯醌 作用下,
以
xylene 为溶剂,
以66%的产率得到[3-(4-methoxyphenyl)-4-methyl-5-phenyl-5H-1,2-oxazol-4-yl]-[3-(4-methoxyphenyl)-5-phenyl-1,2-oxazol-4-yl]methanone