|Reference : Zeolite-catalyzed acetylation of alkenes with acetic anhydride|
|Scientific congresses and symposiums : Paper published in a journal|
|Physical, chemical, mathematical & earth Sciences : Chemistry|
|Zeolite-catalyzed acetylation of alkenes with acetic anhydride|
|Smith, Keith [> > > >]|
|Zhenhua, Zhao [> > > >]|
|Delaude, Lionel [Université de Liège - ULg > Département de chimie (sciences) > Chimie macromoléculaire et catalyse organique >]|
|Hodgson, Philip K G [> > > >]|
|Studies in Surface Science and Catalysis|
|Heterogeneous Catalysis and Fine Chemicals IV|
|[en] Acetylation catalysts (zeolite-catalyzed acetylation of alkenes with acetic anhydride) ; Zeolite HY Role: CAT (Catalyst use), USES (Uses) (zeolite-catalyzed acetylation of alkenes with acetic anhydride) ; alkene acetylation HY zeolite catalyst|
|[en] Among various microporous adsorbents such as alumina, silica, clays, mol. sieves, etc., the HY zeolite was found to be best at promoting the acylation of 2,3-dimethyl-2-butene with acetic anhydride. The influence of numerous exptl. parameters on the course of the reaction was investigated. Variations in the silica/alumina ratio of the zeolite, or in the relative proportions of reagents and catalyst, markedly affected the yield of 3,3,4-trimethyl-4-penten-2-one, whereas the reaction time and temp. were less influential. The procedure was extended to various other alkenes and it was possible to regenerate and to reuse the solid catalyst without significant loss of activity.|
|Researchers ; Professionals|
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