Oxidative coupling and ring opening of furan on Ag(110): Formation of maleic anhydride, benzene, and bifuran
Journal Article
·
· Journal of the American Chemical Society; (United States)
- Stanford Univ., CA (United States)
TPRS, EELS, and isotope experiments show that furan reacts with active oxygen on Ag(110) to form CO[sub 2], H[sub 2]O, and small amounts of the partially oxidized products maleic anhydride, bifuran, and benzene that evolve between 520 and 560 K. The first step in furan combustion is C-H bond activation by O[sub (a)], followed by O[sub (a)] attack at the [alpha]-carbon at 308 K. [sup 18]O[sub (a)] experiments prove that maleic anhydride is formed via intermediates where the furan ring has been cleaved. This contrasts with mechanisms proposed for maleic anhydride production from furan over VPO catalysts. 36 refs., 12 figs., 2 tabs.
- OSTI ID:
- 6566124
- Journal Information:
- Journal of the American Chemical Society; (United States), Journal Name: Journal of the American Chemical Society; (United States) Vol. 115:2; ISSN JACSAT; ISSN 0002-7863
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ANHYDRIDES
AROMATICS
BENZENE
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL ACTIVATION
CHEMICAL REACTIONS
COMBUSTION
DECOMPOSITION
ELECTRON SPECTROSCOPY
ELEMENTS
FURANS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
METALS
MILLER INDICES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
OXYGEN
PYROLYSIS
REACTION INTERMEDIATES
SILVER
SPECTROSCOPY
SURFACES
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0065-0273 K
TEMPERATURE RANGE 0273-0400 K
TEMPERATURE RANGE 0400-1000 K
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
ANHYDRIDES
AROMATICS
BENZENE
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL ACTIVATION
CHEMICAL REACTIONS
COMBUSTION
DECOMPOSITION
ELECTRON SPECTROSCOPY
ELEMENTS
FURANS
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
METALS
MILLER INDICES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
OXYGEN
PYROLYSIS
REACTION INTERMEDIATES
SILVER
SPECTROSCOPY
SURFACES
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0065-0273 K
TEMPERATURE RANGE 0273-0400 K
TEMPERATURE RANGE 0400-1000 K
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS