By A.E. Shilov, Georgiy B. Shul'pin, Alexander E. Shilov
hemistry is the technological know-how approximately breaking and forming of bonds among atoms. essentially the most very important tactics for natural chemistry is breaking bonds C–H, in addition to C–C in a number of compounds, and basically, in hydrocarbons. between hydrocarbons, saturated hydrocarbons, alkanes (methane, ethane, propane, hexane and so forth. ), are particularly appealing as substrates for chemical modifications. the reason for this is that, at the one hand, alkanes are the most parts of oil and average gasoline, and accordingly are the valuable feedstocks for chemical undefined. nevertheless, those ingredients are identified to be the fewer reactive natural compounds. Saturated hydrocarbons should be referred to as the “noble gases of natural chemistry” and, if this is the case, the 1st consultant in their kin – methane – will be in comparison with tremendous inert helium. As in all comparisons, this parallel among noble gases and alkanes isn't absolutely actual. certainly the modifications of alkanes, together with methane, were recognized for a very long time. those reactions contain the interplay with molecular oxygen from air (burning – the most resource of energy!), in addition to a few mutual interconversions of saturated and unsaturated hydrocarbons. notwithstanding, some of these changes ensue at increased temperatures (higher than 300–500 °C) and are typically characterised by way of a scarcity of selectivity. The conversion of alkanes into carbon dioxide and water in the course of burning is a really necessary method – yet now not from a chemist viewpoint.
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Extra info for Activation and Catalytic Reactions of Saturated Hydrocarbons in the Presence of Metal Complexes
The study of hydroperoxides, ROOH, produced from hydrocarbons, RH, has shown the structure of R in ROOH to be the same as in the initial RH, which confirms that a hydroperoxide is formed in the interaction of radical with the molecule of the initial hydrocarbon The evidence for the chain mechanism of hydrocarbon oxidation is primarily based on the observation of the enhancing effect of light, ionizing radiation and small additions of various initiators easily decomposing into free radicals, as well as the inhibiting effect of such compounds as phenols or aromatic amines that readily react with free radicals.
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