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Pyrolysis of acetylene: a thermal source of vinylidene

Durán, R. P. and Amorebieta, V. T. and Colussi, A. J. (1987) Pyrolysis of acetylene: a thermal source of vinylidene. Journal of the American Chemical Society, 109 (10). pp. 3154-3155. ISSN 0002-7863. doi:10.1021/ja00244a053.

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We now report the results of kinetic and trapping experiments performed in acetylene/benzene and acetylene/toluene mixtures above 820 K by modulated beam dynamic mass spectrometry which provide direct evidence of vinylidene participation in chemical reactions. Under such conditions the fast equilibrium HC=CH ⇌ H_2C=C2^(2•) (1, -1) precedes carbene addition to the aromatic ring thereby circumventing kinetic restrictions arising from the short lifetime of vinylidene.

Item Type:Article
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URLURL TypeDescription DOIArticle
Colussi, A. J.0000-0002-3400-4101
Additional Information:© 1987 American Chemical Society. Received November 21, 1986. We are grateful to CIC and CONICET of Argentina for financial support.
Funding AgencyGrant Number
Comision de Investigaciones Cientificas de la Provincia de Buenos AiresUNSPECIFIED
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)UNSPECIFIED
Issue or Number:10
Record Number:CaltechAUTHORS:20150623-154811088
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Official Citation:Pyrolysis of acetylene: a thermal source of vinylidene R. P. Duran, V. T. Amorebieta, and A. J. Colussi Journal of the American Chemical Society 1987 109 (10), 3154-3155 DOI: 10.1021/ja00244a053
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58533
Deposited By: George Porter
Deposited On:24 Jun 2015 21:18
Last Modified:10 Nov 2021 22:06

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