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Published 1987 | public
Journal Article

Vacuum pyrolysis of furfural: a facile synthesis of vinylketene


The thermal unimolecular decomposition of 2-furaldehyde (FA) has been investigated in a low pressure flow reactor above 1050 K by product trapping followed by pressure measurements, IR identification and quantitative chemical analysis. It is shown that under these conditions FA losses CO leading to the formation of vinylketene, CH_2=CH-CH=C=O, as a primary product. Further decarbonylation to C_3-hydrocarbons takes over at higher temperatures. The extent of FA decomposition as well as the yield of vinylketene as functions of temperature are also reported.

Additional Information

© 1987 Asociación Química Argentina. Recibido: Junia 1986. Aceptado: Agosto 1986. Financial support by CIC and CONICET of Argentina is gratefully acknowledged. One of us (M.A.G.) undertook this project as a Research Fellow of CONICET.

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October 23, 2023