methyl 6-(cyclohexen-4-yl)-1-(4-hydroxyphenyl)-4-oxo-1,4,5,6-tetrahydronicotinate 、
四氯苯醌 在
1,4-二氧六环 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以to obtain 0.7 g of methyl 6-(cyclohexene-4-yl)-1-(4-hydroxyphenyl)-4-oxo-1,4-dihydronicotinate having a melting point of 250° C. or more的产率得到methyl 6-(cyclohexene-4-yl)-1-(4-hydroxyphenyl)-4-oxo-1,4-dihydronicotinate