ChemInform Abstract: TEMPERATURE DEPENDENCE OF THE CHEMILUMINESCENT REACTION (1), NITRIC OXIDE + OZONE → NITROGEN DIOXIDE(2A1; 2B1,2) + MOLECULAR OXYGEN, AND QUENCHING OF THE EXCITED PRODUCT

1981 ◽  
Vol 12 (50) ◽  
Author(s):  
U. SCHURATH ◽  
H. H. LIPPMANN ◽  
B. JESSER
Keyword(s):  
Nitric Oxide ◽  
Nitrogen Dioxide ◽  
Temperature Dependence ◽  
Molecular Oxygen ◽  
Chemiluminescent Reaction

THE EFFECT OF MOLECULAR OXYGEN ON THE REACTION OF OXYGEN ATOMS WITH cis-2-PENTENE

1959 ◽  
Vol 37 (5) ◽  
pp. 953-965 ◽  
Author(s):  
S. Sato ◽  
R. J. Cvetanović
Keyword(s):  
Nitric Oxide ◽  
Nitrous Oxide ◽  
Nitrogen Dioxide ◽  
Molecular Oxygen ◽  
Reaction Mechanisms ◽  
Room Temperature ◽  
Pressure Independent ◽  
Decomposition Of Nitrous Oxide ◽  
Oxygen Atoms

The effect of the presence of nitrogen, oxygen, and nitric oxide on the reaction between cis-2-pentene and oxygen atoms has been investigated at room temperature (25 ± 2 °C). For production of oxygen atoms use was made of mercury-photosensitized decomposition of nitrous oxide and of the photolysis of nitrogen dioxide at 3660 Å.In the N2O work, the presence of molecular oxygen induced the formation of acetaldehyde, propanal, methanol, and ethanol. In the NO2 work, the amounts of acetaldehyde, propanal, and ethyl nitrate formed increased rapidly with increasing pressure of molecular oxygen. Possible reaction mechanisms for the formation of these compounds are discussed.Additional information was obtained on the pressure-independent fragmentation in the reaction of oxygen atoms with cis-2-pentene.

On the lead tetraacetate and related oxidations of aromatic ketoximes

1968 ◽  
Vol 46 (23) ◽  
pp. 3719-3726 ◽  
Author(s):  
M. M. Frojmovic ◽  
G. Just
Keyword(s):  
Nitric Oxide ◽  
Acetic Acid ◽  
Nitrogen Dioxide ◽  
Molecular Oxygen ◽  
Glacial Acetic Acid ◽  
Methylene Chloride ◽  
Lead Tetraacetate ◽  
Side Reactions ◽  
Oxidizing Agents

Fluorenone and benzophenone oxime react in glacial acetic acid with lead tetraacetate to give parent ketones, geminal dinitromethanes, iminyl ketal derivatives (9,9-difluorenylideniminoxylfluorene and 1,1-bis(diphenylmethylideniminoxyl)-diphenylmethane), and minor amounts of oxime O-acetate. Benzophenone nitrimine is also formed but only in the absence of oxygen. Side reactions due to nitric oxide, oxygen, and nitrogen dioxide take place. Separate studies with these oxidizing agents have therefore been conducted. The lead tetraacetate oxidation of these oximes in methylene chloride (or any other solvent) is complete with a half-mole equivalent of lead tetraacetate, is insensitive to molecular oxygen, and affords mainly parent ketone and ketazinemonoxides. No ketazine-bis-N-oxides, obtained from the ferricyanide oxidation of these oximes, are formed. The model oximes, benzil anti-monoxime, xanthone oxime, and indanone oxime have been studied in the light of these observations. Mechanisms involving iminoxyl radicals have been postulated for all reactions studied.

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