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Issue 46, 2018
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Dimerization of boryl- and amino-substituted acetylenes by B2C2 four-membered ring formation

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Abstract

Boryl- and amino-substituted acetylenes bearing diphenylboryl or 9-borabicyclononyl groups were synthesized. X-ray diffraction analyses revealed the dimerized structures of these acetylenes via the formation of B2C2 four-membered rings. Spectroscopic studies and DFT calculations indicated that these dimers can dissociate to afford monomeric acetylenes, and that the equilibrium constant for the dissociation depends on the structure of the boryl substituents.

Graphical abstract: Dimerization of boryl- and amino-substituted acetylenes by B2C2 four-membered ring formation

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Publication details

The article was received on 16 Mar 2018, accepted on 13 Apr 2018 and first published on 17 Apr 2018


Article type: Communication
DOI: 10.1039/C8CC02122H
Citation: Chem. Commun., 2018,54, 5819-5822
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    Dimerization of boryl- and amino-substituted acetylenes by B2C2 four-membered ring formation

    R. Kitamura, K. Suzuki and M. Yamashita, Chem. Commun., 2018, 54, 5819
    DOI: 10.1039/C8CC02122H

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