Electric Literature of 300-87-8, Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics.In a document type is Article, and a compound is mentioned, 300-87-8, 3,5-Dimethylisoxazole, introducing its new discovery.
Flash vacuum pyrolysis (FVP) of some 5-alkyl-3-methyl-4-nitroisoxasoles affords 1-nitro-1-cyanoacetone as the only product.A general mechanism is suggested which involves isomerization of the isoxazole to a 1-azirine.A nonclassical reaction of 3-methyl-4-nitroisoxazoles is assumed as a consequence of the electron-withdrawing ability of the nitro group, which precludes ring closure of the nitrile ylide intermediate to the oxazole isomer.The formation of 1-nitro-1-cyanoacetone by FVP of the 3-unsubstituted 5-methyl-4-nitroisoxazole suggests that the activation barrier for a 1,2-hydrogen shift from a 1-azirine or vinylnitrene is lower than that for the formation of nitrile ylide.The FVP of 5-ethyl-3-methylisoxzaole affords 5-ethyl-2-methyloxazole.
Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Electric Literature of 300-87-8. In my other articles, you can also check out more blogs about 300-87-8
Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem