Method of preparing acetal or ketal

Details Method of preparing acetal or ketal Method of preparing acetal or ketal

C - Chemistry, Metallurgy

07

C

260/353.1, 260/3

C07C 41/56 (2006.01) C07C 43/30 (2006.01) C07D 317/12 (2006.01) C07D 317/16 (2006.01) C07D 317/20 (2006.01) C07D 317/72 (2006.01)

Patent

CA 1281336

Abstract of the Disclosure A method of preparing an acetal or ketal from a corresponding aldehyde or ketone is disclosed. A hydrous oxide of an element of Group IV of the Periodic Table is used as a catalyst, and the aldehyde or ketone is caused to react with an alcohol. The hydrous oxide can be obtained by partially dehydrating a hydroxide of the corresponding element. The method does not require an acid catalyst and is applicable to a carbonyl com- pound which is not stable in acids.

554007

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