Production of an alkenol from an alkene oxide
AssigneeDeutsche Gold- und Silber-Scheideanstalt vormals Roessler
InventorsGerd Schreyer, Herbert Tanner, Wolfgang Weigert, Ullrich Gora
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Abstract
Lithium phosphate catalysts for the rearrangement of alkene oxides to the corresponding alkenols are prepared as overcoats on inert carriers. The catalysts are prepared for example by overcoating the inert carrier with the lithium phosphate in the presence of moisture.
Claims3
In a process for the production of an alkenol from an alkene oxide at elevated temperature in the presence of a lithium phosphate catalyst the improvement comprising employing as the catalyst a lithium phosphate catalyst prepared by the process consisting essentially of coating molded, uniform, spherical particles of an inert carrier with particles of lithium phosphate in the presence of about 0.5 to 4 parts of moisture per part of lithium phosphate at a temperature from 10.degree. to 130.degree. C to produce a catalyst consisting essentially of molded, uniform, spherical particles of an inert carrier having an outer cohesive coating of the lithium phosphate.
In a process for the production of allyl alcohol from propylene oxide at elevated temperature in the presence of a lithium phosphate catalyst the improvement comprising employing as the catalyst a lithium phosphate catalyst prepared by the process consisting essentially of coating particles of an inert carrier with particles of lithium phosphate in the presence of about 0.5 to 4 parts of moisture per part of lithium phosphate at a temperature from 10.degree. to 130.degree. C to produce a catalyst consisting essentially of particles of an inert carrier having an outer cohesive coating of the lithium phosphate, said catalyst being employed as a fixed bed and said catalyst being kept in constant contact with an inert ester washing and regenerating liquid during the rearrangement of the propylene oxide to remove the high molecular weight substances formed from the catalyst.
Dependencies are inferred from the claim text.