1-[[2-(Diethylamino)ethyl]amino]-4-(hydroxymethyl)-7-methoxy-9H-thioxanthen-9-one 在
二氧化锰 氮气 、
1-[[3-(dimethylamino)propyl]amino]-9-oxothioxanthen-4-carboxaldehyde 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以to afford 7.05 g (81%) of 1-[[2 -(diethylamino)ethyl]amino]-7-methoxy-9-oxothioxanthen-4-carboxaldehyde (Formula II的产率得到1-[[2-(diethylamino)ethyl]amino]-7-methoxy-9-oxothioxanthen-4-carboxaldehyde