We have described an unexpected pathway using the R-NC/Se system for the synthesis of the unreported benzo-oxazino-isoindole framework by the iodide-catalyzed selenium-assisted sequential multicomponent reaction of the Knoevenagel adduct of ninhydrin and malononitrile, isocyanide, amine, and elemental selenium under mild reaction conditions. The photophysical properties of the products were investigated by absorption and emission spectroscopy, revealing that the new heterocyclic system has good fluorescence properties.

中文翻译：

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碘化物催化硒辅助顺序多组分合成苯并-恶嗪基-异吲哚骨架

我们已经描述了通过R-NC / Se系统通过碘化茚三酮和丙二腈的Knoevenagel加合物的碘辅助硒辅助顺序多组分反应进行的硒辅助顺序多组分反应，合成未报告的苯并恶嗪异异吲哚骨架的意外途径。和元素硒在温和的反应条件下。通过吸收和发射光谱研究了产物的光物理性质，表明该新的杂环系统具有良好的荧光性质。