1-Aryl-substituted 1,4-dihydro-3(2H)isoquinolinones 1 are easily converted to 1-aryl-3-chloroisoquinoline-4-aldehydes 3 by a two-step procedure involving a Vilsmeier-Haack reaction followed by subsequent oxidation with potassium permanganate under acidic conditions.
1-芳基取代的1,4-二氢-3(2H)
异喹啉酮1可以通过一个两步法轻松转化为1-芳基-
3-氯异喹啉-4-醛3,该方法包括Vilsmeier-Haack反应,随后在酸性条件下用
高锰酸钾进行氧化。