Abstract

It is known that, in solutions of liquid superacids, neopentane (2,2-dimethylpropane) is transformed into cracking and isomerization products, depending on the reaction conditions, with the cleavage of C-C and C-H bonds respectively [1]. At the same time, in the presence of Y and ZSM zeolites, only C-C bonds of neopentane enter the reaction, while C-H bonds at the primary carbon atoms are extremely stable, on account of which there are virtually no isoand n-pentanes in the reaction products [2, 3]. In the present work, the results of cracking neohexane (2,2-dimethylbutane), which differs from neopentane in the presence of a secondary carbon atom and corresponding C-H bonds, on high-silica faujasites (HSF) having greater acidity than initial Y-type zeolites [4] are discussed.

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