固体触媒反応の立体化学と選択性

概要

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Stereochemical aspects of heterogeneous catalysis have been described. Reactions reviewed here are mostly those which are understandable by the acid-base concepts, e. g., β-elimination over solid acids and bases, halogen exchange and halogenation over metal chlorides, and hydrogenation of dienes and isomerization of olefins over metal oxides and sulfides.<BR>It was attempted to clarify the roles of the structure and the acid-base properties of surface active sites in determining the steric course of reaction as well as stereo- and regioselectivity. Acidbase properties play primary role in the reactions which proceed via ionic intermediates. Surface structure tends to be important when intermediates bond covalently to the surface. In this relation, dynamic behavior of reaction intermediates was also examined.
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