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Divergent synthesis of bis(indolyl)methanes via Fe III -catalysed regioselective dehydrogenative coupling reactions: a biomimetic approach to 6,6'-bis-(debromo)-gelliusine F.

Yan WuMou-De LiuQing WangHuan TianJin-Bao FanYing-Jun ZhouYa-Jing WangXu Deng
Published in: Organic & biomolecular chemistry (2023)
The divergent dehydrogenative coupling reactions of tryptamines with the catalysis of nontoxic Fe III salts in the presence of DDQ as the co-oxidant have been developed. Remarkably, the transformations feature a rapid and regioselective assembly of diverse 2,8'- and N1,8'-bis(indolyl) methane derivatives from readily-available starting materials by simply changing the Fe III salt and reaction temperature. Besides, the fast reaction rate, mild reaction conditions, low catalyst cost and easy operations make this methodology quite useful. The synthetic utility was further demonstrated in the biomimetic synthesis of 6,6'-bis-(debromo)-gelliusine F.
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