A new synthesis of indolo[2,3-b]quinolines from 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone

Hong Zhang; Yunhe Jiang; Xiaoxue Sun; Tianyu Liang; Xiang Wang; Yang Li

doi:10.1039/D4RA05176A

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A new synthesis of indolo[2,3-b]quinolines from 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone†

Hong Zhang,^a Yunhe Jiang,^b Xiaoxue Sun,^b Tianyu Liang,

*^bc Xiang Wang^b and Yang Li

*^b

Author affiliations

* Corresponding authors

^a Experiment & Equipment Administration Center, Bohai University, Jinzhou 121000, P. R. China

^b College of Chemistry and Materials Engineering, Bohai University, Jinzhou, P. R. China
E-mail: bhuzh@163.com

^c Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, Dalian Minzu University, Dalian 116600, P. R. China

Abstract

A new synthesis of N-alkyl- and 11-phenyl-modified indolo[2,3-b]quinolines was achieved via PEG-400-promoted and visible light-induced one-step reaction of 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone in 40% methanol aqueous solution. The merits of the protocol include cost efficiency, convenience, and eco- and user-friendliness.

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DOI: https://doi.org/10.1039/D4RA05176A
Article type: Paper
Submitted: 17 Jul 2024
Accepted: 16 Sep 2024
First published: 26 Sep 2024
This article is Open Access

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RSC Adv., 2024,14, 30707-30712

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A new synthesis of indolo[2,3-b]quinolines from 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone

H. Zhang, Y. Jiang, X. Sun, T. Liang, X. Wang and Y. Li, RSC Adv., 2024, 14, 30707 DOI: 10.1039/D4RA05176A

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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A new synthesis of indolo[2,3-b]quinolines from 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone†

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A new synthesis of indolo[2,3-b]quinolines from 3-acetyl-N-alkyl-2-chloroindoles with 2-aminobenzophenone

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