A formal [3 + 3] cyclization reaction of 2-indolylmethanols with quinones was realized to furnish indole-fused scaffolds in moderate to excellent yields. This protocol was proceeded smoothly under acid condition, with high high yields and broad substrate scope.

中文翻译：

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通过2-吲哚基甲醇与醌亚胺的[3 + 3]环化反应合成吲哚稠合的支架

实现了2-吲哚基甲醇与醌的正式[3 + 3]环化反应，以中等至优异的产率提供了吲哚融合的支架。该方案在酸性条件下顺利进行，具有高收率和广泛的底物范围。