Patent ID: 6395871
Filing Date: 2002-05-28
Classification: B01J

Abstract:
A method for selectively alkylating at least one hydroxyaromatic compound, comprising the following steps:a) preparing a magnesium-based solid catalyst, comprising the step of dry-blending a magnesium reagent which yields magnesium oxide upon calcination with at least one filler, thereby forming a blended product, wherein the level of chlorides in the magnesium reagent is less than about 250 ppm, and the level of calcium in the magnesium reagent is less than about 2500 ppm; b) forming the catalyst into a suitable catalyst-shape; c) calcining the shaped catalyst at a temperature sufficient to activate the catalyst; and d) reacting the hydroxyaromatic compound and an alkyl alcohol in the presence of the calcined catalyst, to form an alkylated product.