Process for preparing hydroxymethylcyclopropane

Details Process for preparing hydroxymethylcyclopropane Process for preparing hydroxymethylcyclopropane

C - Chemistry, Metallurgy

07

C

C07C 31/133 (2006.01) B01J 23/80 (2006.01) C07C 29/149 (2006.01)

Patent

CA 2200281

Hydroxymethylcyclopropane is prepared from alkyl cyclopropanecarboxylates by reduction with hydrogen in a process in which use is made of a reduced pelletized catalyst which is obtainable by pressing a mixture of pulverulent copper, zinc and aluminum oxides and subsequent reduction. This process has the advantage that ituses a low-toxicity catalyst which has a long operating life and is particularlysuitable for a continuous process and requires relatively low reaction temperatures.

Préparation d'hydroxyméthylcyclopropane à partir de cyclopropanecarboxylates d'alkyle par réduction à l'hydrogène, dans un procédé où on utilise un catalyseur réduit en granules, obtenu par compression d'un mélange d'oxydes de cuivre, de zinc et d'aluminium pulvérulents, et par réduction ultérieure. Ce procédé présente l'avantage qu'il utilise un catalyseur de faible toxicité, qui a une longue durée de vie utile, qui convient particulièrement bien aux procédés de type en continu, et qui nécessite des températures de réaction relativement basses.

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