Synthesis of cyclic ketene acetals

Details Synthesis of cyclic ketene acetals Synthesis of cyclic ketene acetals

C - Chemistry, Metallurgy

07

D

C07D 321/06 (2006.01) C07D 317/12 (2006.01) C07D 319/06 (2006.01)

Patent

CA 2100580

2100580 9214722 PCTABS00015 An improved process for the preparation of cyclic ketene acetals such as 2-methylene-1,3-dioxepane is provided. This process entails reacting at an elevated temperature a halogenated cyclic ketene acetal such as 2-chloromethyl-1,3-dioxepane with a hydroxide compound such as potassium hydroxide in a non-reactive alcohol such as 2-butanol.

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