Lewis-Acid-Catalyzed (3+2) Annulation of 2-Indolylmethanols with Propargylic Alcohols to Access Cyclopenta[<i>b</i>]indoles

Lewis-Acid-Catalyzed (3+2) Annulation of 2-Indolylmethanols with Propargylic Alcohols to Access Cyclopenta[<i>b</i>]indoles

Herein, a Sc(OTf)<sub>3</sub>-catalyzed (3+2) annulation of 2-indolylmethanols with propargylic alcohols is reported. The reaction proceeds via a Friedel–Crafts-type allenylation/5-exo-annulation cascade. In the reaction, 2-indolylmethanol is used as a three-carbon synthon, and propargyl...

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Bibliographic Details
Main Authors: Teng-Fei Wu, Zhao-Jie Fu, Yi-Rui Zhang, Zong-Wang Qiu, Bao Qiong Li, Shao-Shuai Chen, Han-Peng Pan, Ai-Jun Ma, Xiang-Zhi Zhang
Format: Article
Language:English
Published: MDPI AG 2024-03-01
Series:Molecules
Subjects:
(3+2) annulation
cyclopenta[<i>b</i>]indoles
propargylic alcohols
2-indolylmethanols
Online Access:https://www.mdpi.com/1420-3049/29/6/1251

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https://www.mdpi.com/1420-3049/29/6/1251

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