Efficient photocatalytic C-3 thiocyanation of indoles over tetraphenylsilane-based porous aromatic frameworks

Yuxuan He; Linzhu Cao; He Wang; Fengchao Cui; Xin Tao

doi:10.1039/D5CC02431E

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Efficient photocatalytic C-3 thiocyanation of indoles over tetraphenylsilane-based porous aromatic frameworks†

Yuxuan He,^a Linzhu Cao,^a He Wang,^a Fengchao Cui

*^a and Xin Tao

*^a

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* Corresponding authors

^a Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
E-mail: cuifc705@nenu.edu.cn, taox091@nenu.edu.cn

Abstract

The rational design and synthesis of donor–π–acceptor (D–π–A) type tetraphenylsilane (TEPS)-based PAFs (PAF-403, PAF-404, and PAF-405) linked by acetylene bridges are presented. Among them, PAF-405 displays the highest efficiency for visible-light-induced C-3 thiocyanation of indoles (up to 99% yield) with broad substrate scope (15 examples), which could be recycled for five cycles with a slight loss of catalytic activity. A possible structure-performance correlation of TEPS-PAFs is proposed.

This article is part of the themed collection: Emerging Trends in Advanced Functional Porous Materials

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DOI: https://doi.org/10.1039/D5CC02431E
Article type: Communication
Submitted: 30 Apr 2025
Accepted: 28 May 2025
First published: 09 Jun 2025

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Chem. Commun., 2025, Advance Article

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Efficient photocatalytic C-3 thiocyanation of indoles over tetraphenylsilane-based porous aromatic frameworks

Y. He, L. Cao, H. Wang, F. Cui and X. Tao, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC02431E

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Chemical Communications

Efficient photocatalytic C-3 thiocyanation of indoles over tetraphenylsilane-based porous aromatic frameworks†

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Efficient photocatalytic C-3 thiocyanation of indoles over tetraphenylsilane-based porous aromatic frameworks

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