Reaction of 1-phenyl-1,4-dihydro-3(2H)isoquinolinone (1) with phosphorus pentahalides as well as a two-step procedure involving a Vilsmeier-Haack acylation of 1 followed by oxidative cleavage with sodium hypohalites make 3,4-dihalogeno-1-phenylisoquinolines easily available.
通过 1-苯基-1,4-二氢-3(2H)
异喹啉酮(1)与五
卤化磷的反应,以及对 1 进行 Vilsmeier-Haack酰化,然后用次卤化
钠进行氧化裂解的两步法,可以很容易地获得 3,4-二卤代-
1-苯基异喹啉。