A convenient one-pot preparation of 4-substituted or 3,4-disubstituted quinolin-2(1H)-ones from 2-isocyanostyrene derivatives, which involves mCPBA oxidation to the corresponding isocyanate intermediates followed by electrocyclization, is described.
描述了一种方便的一锅法制备4-取代或3,4-二取代
喹啉-2(1H)-
酮的方法,该方法从2-异
氰基
苯乙烯衍
生物出发,涉及m
CPBA氧化生成相应的
异氰酸酯中间体,随后进行电环化反应。