Issue 47, 2021

La(OTf)3 facilitated self-condensation of 2-indolylmethanol: construction of highly substituted indeno[1,2-b]indoles

Abstract

The Lewis acid-promoted self-condensation of 2-indolylmethanols has been revealed. On treatment with La(OTf)3, highly substituted indeno[1,2-b]indole derivatives have been synthesized by using easily accessible 2-indolylmethanols with up to 94% yields. The utility of this method is further highlighted by evaluating the initial photophysical properties of some prepared products, indicating that the protocol may have potential applications in the construction of novel fluorescent materials.

Graphical abstract: La(OTf)3 facilitated self-condensation of 2-indolylmethanol: construction of highly substituted indeno[1,2-b]indoles

Supplementary files

Article information

Article type
Paper
Submitted
02 Aug 2021
Accepted
14 Sep 2021
First published
23 Sep 2021

Org. Biomol. Chem., 2021,19, 10337-10342

La(OTf)3 facilitated self-condensation of 2-indolylmethanol: construction of highly substituted indeno[1,2-b]indoles

Z. Tang, G. Hong, C. Hu, Q. Wang, Y. Zhong, Y. Gong, P. Yang and L. Wang, Org. Biomol. Chem., 2021, 19, 10337 DOI: 10.1039/D1OB01517F

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