6-(4-chlorobenzoyl)-1,2-dihydro-1-methyl-2-oxo-4-quinolinecarboxamide 在
ice 、
甲醇 、
6-(4-chlorobenzoyl)-1,2-dihydro-1-methyl-2-oxo-4-quinolinecarbonitrile 作用下,
以
三氯氧磷 为溶剂,
反应 16.0h,
以yielding 5.6 g (83%) of 6-(4-chlorobenzoyl)-1,2-dihydro-1-methyl-2-oxo-4-quinolinecarbonitrile (intermediate 31)的产率得到6-(4-chlorobenzoyl)-1,2-dihydro-1-methyl-2-oxo-4-quinolinecarbonitrile