Process for synthesizing a multicomponent acidic catalyst compos

Details Process for synthesizing a multicomponent acidic catalyst compos Process for synthesizing a multicomponent acidic catalyst compos

1983-05-26

1984-04-24

Wright, William G.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

502202, 502171, 502162, B01J 2714, B01J 2102, B01J 3112

Patent

active

044449046

ABSTRACT:
A process for preparing a catalyst composition wherein a Metal Hydrocarboxide I, such as aluminum sec-butoxide, a Metal Hydrocarboxide II, such as zirconium butoxide, an acidic phosphorus-oxygen composition, such as phosphoric acid, and water, are reacted in the presence of a liquid organic medium, such as acetone, to form a catalyst precursor composition, which is then calcined to form the catalyst, is disclosed. The catalyst is useful for condensing carboxylic acids or their ester with aldehydes or acetals to synthesize .alpha.,.beta.-ethylenically unsaturated acids or esters, such as methylmethacrylate.

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