Issue 100, 2021
From the journal:

Chemical Communications

Dicationic oligotelluroxane or mononuclear telluronium cation? Elucidation of the true catalytic species and activation mechanism of the benzylic carbon-halogen bond†

Koji Takagi, ORCID logo *a   Nao Sakakibara,a   Shoko Kikkawa ORCID logo b  and  Seiji Tsuzukic  

* Corresponding authors

a Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
E-mail: takagi.koji@nitech.ac.jp

b Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan

c Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-8656, Japan

Abstract

The application of diaryltelluronium cations as chalcogen bonding organocatalysts was investigated for the Ritter-like reaction using time-course NMR analysis. The resistance to water of dicationic oligotelluroxanes differed depending on the oligomer chain length and counter anions. The activation mechanism of the substrate was discussed based on DFT calculations.

Graphical abstract: Dicationic oligotelluroxane or mononuclear telluronium cation? Elucidation of the true catalytic species and activation mechanism of the benzylic carbon-halogen bond

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Article information

DOI
https://doi.org/10.1039/D1CC06311A
Article type
Communication
Submitted
09 Nov 2021
Accepted
22 Nov 2021
First published
23 Nov 2021

Chem. Commun., 2021,57, 13736-13739

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Dicationic oligotelluroxane or mononuclear telluronium cation? Elucidation of the true catalytic species and activation mechanism of the benzylic carbon-halogen bond

K. Takagi, N. Sakakibara, S. Kikkawa and S. Tsuzuki, Chem. Commun., 2021, 57, 13736 DOI: 10.1039/D1CC06311A

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