| 标题 |
Selective Organocatalytic Synthesis of 3-Methylindoles and Diindolylmethanes through Reductive Methylation of Indoles with CO2 吲哚与CO2还原甲基化选择性有机催化合成3-甲基吲哚和二吲哚甲烷
相关领域
化学
组合化学
产量(工程)
甲基化
吲哚试验
选择性
功能群
催化作用
有机化学
生物化学
材料科学
基因
冶金
聚合物
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| 其它 | The direct reductive methylation of indoles with CO2 remains a formidable challenge due to competing reduction pathways and precise selectivity control. Herein, cooperative catalytic systems comprising 2-aminopyridine–BH3 and DIC–BH3 are disclosed, which enable unprecedented chemoselective C3-methylation of indoles under mild conditions (1 atm CO2). This strategy delivers two distinct product classes through controlled reduction: 3-methylindoles (up to 81% yield) and diindolylmethanes (up to 82% yield) with excellent functional group tolerance. This protocol offers novel synthetic routes for the synthesis of indole-based bioactive molecules. |
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