Metal-free synthesis of 3,3′-bisindolylmethanes in water using Ph₃C⁺[B(C₆F₅)₄]⁻as the pre-catalyst

Metal-free synthesis of 3,3′-bisindolylmethanes in water using Ph₃C⁺[B(C₆F₅)₄]⁻as the pre-catalyst

Here, we report a highly efficient catalytic species generated from Ph3C+[B(C6F5)4]− by the water mediated Friedel-Crafts type reaction of indoles with carbonyl compounds to afford 3,3′-bisindolylmethanes (BIMs). This scalable method is applicable to a wide variety of carbonyl compounds, including u...

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Bibliographic Details
Main Authors: Zhang, Zhenguo, Ji, Liang, Liu, Xiaoxiao, Li, Zhihong, Lv, Yongheng, Jia, Zhenhua, Loh, Teck-Peng
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2023
Subjects:
Science::Chemistry
Catalytic Species
Friedel-Crafts
Online Access:https://hdl.handle.net/10356/171495
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Institution: Nanyang Technological University
Language: English
Description
Summary:Here, we report a highly efficient catalytic species generated from Ph3C+[B(C6F5)4]− by the water mediated Friedel-Crafts type reaction of indoles with carbonyl compounds to afford 3,3′-bisindolylmethanes (BIMs). This scalable method is applicable to a wide variety of carbonyl compounds, including unprotected sugar molecules and carbonyl compounds derived from drugs and natural products.

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