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Kinetics and mechanism of the thermal decomposition of unsaturated aldehydes: benzaldehyde, 2-butenal, and 2-furaldehyde

Grela, M. A. and Colussi, A. J. (1986) Kinetics and mechanism of the thermal decomposition of unsaturated aldehydes: benzaldehyde, 2-butenal, and 2-furaldehyde. Journal of Physical Chemistry, 90 (3). pp. 434-437. ISSN 0022-3654 . http://resolver.caltech.edu/CaltechAUTHORS:20150623-154811676

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Abstract

The thermal unimolecular decompositions of benzaldehyde (BA), crotonaldehyde (CA), and furfural (FA) have been investigated in a flow reactor at very low pressures by modulated beam mass spectrometry above 1040 K. Each reaction proceeds by a different mechanism. Whereas BA decomposes by C(O)-H bond fission CA readily undergoes decarbonylation to propene via a three-center transition-state reaction. FA decomposition into vinylketene and CO involves ring opening followed by H-atom transfer in the resulting biradical. Overall high-pressure Arrhenius parameters for the three reactions are derived from kinetic data.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/j100275a016DOIArticle
http://pubs.acs.org/doi/abs/10.1021/j100275a016PublisherArticle
ORCID:
AuthorORCID
Colussi, A. J.0000-0002-3400-4101
Additional Information:© 1986 American Chemical Society. (Received: July 22, 1985) Financial support by CIC and CONICET of Argentina is gratefully acknowledged.
Funders:
Funding AgencyGrant Number
Comision de Investigaciones Cientificas de la Provincia de Buenos AiresUNSPECIFIED
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)UNSPECIFIED
Record Number:CaltechAUTHORS:20150623-154811676
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150623-154811676
Official Citation:Kinetics and mechanism of the thermal decomposition of unsaturated aldehydes: benzaldehyde, 2-butenal, and 2-furaldehyde M. A. Grela and A. J. Colussi The Journal of Physical Chemistry 1986 90 (3), 434-437 DOI: 10.1021/j100275a016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58535
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:24 Jun 2015 21:27
Last Modified:24 Jun 2015 21:27

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