From a Si3‐Cyclopropene to a Si3S‐Bicyclo[1.1.0]butane to a Si3S‐Cyclopropene to a Si3S2‐Bicyclo[1.1.0]butane: Back‐and‐Forth,and In‐Between |
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| Authors: | Dr Vladimir Ya Lee Dr Olga A Gapurenko Shogo Miyazaki Prof Dr Akira Sekiguchi Prof Dr Ruslan M Minyaev Prof Dr Vladimir I Minkin Prof Dr Heinz Gornitzka |
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| Institution: | 1. Department of Chemistry, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1‐1‐1 Tennodai, Tsukuba 305‐8571, Ibaraki (Japan);2. Institute of Physical and Organic Chemistry, Southern Federal University, 194/2 Stachki Avenue, Rostov on Don 344090 (Russian Federation);3. CNRS, LCC, 205 Route de Narbonne, BP 44099 (France);4. Université de Toulouse, UPS, INPT, 31077 Toulouse Cedex 4 (France) |
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| Abstract: | Compact and highly reactive bicyclo1.1.0]butanes constitute one of the most fascinating classes of organic compounds. Furthermore, interplay of bicyclo1.1.0]butanes with their valence isomers, such as buta‐1,3‐dienes and cyclobutenes, is among the fundamental pericyclic transformations in organic chemistry. Herein we report the back‐and‐forth interconversion between the cyclotrisilenes and thiatrisilabicyclo1.1.0]butanes, allowing for the synthesis of novel representatives of such classes of highly reactive organometallics. The peculiar structural and bonding features of the newly synthesized compounds, as well as the mechanism of their isomerization, were verified both experimentally and computationally. |
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| Keywords: | cage compounds computational chemistry density functional calculations NMR spectroscopy X‐ray diffraction |
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