Issue 50, 2014
From the journal:

Chemical Communications

Silylium ion-promoted dehydrogenative cyclization: synthesis of silicon-containing compounds derived from alkynes†‡

Hidekazu Arii,a   Takashi Kurihara,a   Kunio Mochida*a  and  Takayuki Kawashima*b  

* Corresponding authors

a Department of Chemistry, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, 171-8588 Tokyo, Japan
E-mail: kunio.mochida@gakushuin.ac.jp

b Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, 376-8515 Gunma, Japan
E-mail: kawashima.t@gunma-u.ac.jp

Abstract

Treatment of dialkylbenzylsilane (1) with trityl tetrakis(pentafluorophenyl)borate (TPFPB) in the presence of terminal or internal alkynes (3) and 2,6-di-tert-butyl-4-methylpyridine gave the corresponding 1,2-dihydro-2-silanaphthalene derivatives (4) in 34–82% yields.

Graphical abstract: Silylium ion-promoted dehydrogenative cyclization: synthesis of silicon-containing compounds derived from alkynes

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Article information

DOI
https://doi.org/10.1039/C4CC01648C
Article type
Communication
Submitted
05 Mar 2014
Accepted
30 Apr 2014
First published
30 Apr 2014

Chem. Commun., 2014,50, 6649-6652

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Silylium ion-promoted dehydrogenative cyclization: synthesis of silicon-containing compounds derived from alkynes

H. Arii, T. Kurihara, K. Mochida and T. Kawashima, Chem. Commun., 2014, 50, 6649 DOI: 10.1039/C4CC01648C

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