Acid-catalyzed intramolecular cyclization or rearrangement of isoindolinone derivatives is described. 3-Hydroxy/ethoxy-3,4-dihydro-6H-[1,4]-oxazino-[3,4-a]-isoindol-6-ones are obtained in moderate to good yields. Further acid-catalyzed intramolecular rearrangement reactions give 6H-isochromeno-[4,3-b]-pyridin-6-ones. The mild reaction conditions with convenient starting materials show broad substrate
描述了异吲哚啉酮衍生物的酸催化分子内环化或重排。以中等至良好的产率获得3-羟基/乙氧基-3,4-二氢-6H- [1,4]-恶嗪基-[3,4- a ]-异吲哚-6-酮。进一步的酸催化分子内重排反应得到 6 H-异色烯-[4,3- b ]-吡啶-6-酮。温和的反应条件和方便的起始原料显示出广泛的底物范围,并提供目标化合物作为新型农药先导化合物,具有良好的杀菌或系统获得性抗性活性。