- Patent JPS5544750

Document Type and Number:

Japanese Patent JPS5544750

Kind Code:

B1

Abstract:

1384605 Pivalolactone HOECHST AG 8 June 1972 [8 June 1971] 26779/72 Heading C2C Pivalolactone (α,α - dimethyl - # - propiolactone) is prepared by thermally splitting acetic acid from #-acetoxy-pivalic acid in the presence of a catalyst comprising an alkali metal compound and/or an alkaline earth metal compound, and a carrier material, more than 50% of the pore volume of which carrier comprises pores having a diameter of from 100 to 1000 . The alkali or alkaline earth metal compound may be an oxide, hydroxide, bicarbonate, carbonate, or a salt of an organic carboxylic acid having up to four carbon atoms. A particularly suitable carrier is silicic acid.

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Application Number:

JP5570972A

Publication Date:

November 13, 1980

Filing Date:

June 06, 1972

Export Citation:

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International Classes:

B01J23/02; B01J27/00; B01J27/232; B01J31/04; B01J35/10; C07D315/00; (IPC1-7): C07D305/12; B01J20/04; B01J35/10

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