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Process for decomposing alpha, béta-unsaturatedc- arbonyl compounds in refining acetic anhydrideand /or acetic acid.
Process for decomposing alpha, béta-unsaturatedc- arbonyl compounds in refining acetic anhydrideand /or acetic acid.
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机译:在精制乙酸酐和/或乙酸中分解α,β-不饱和β-芳烃基化合物的方法。
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摘要
Unsaturated ketones such as mesityl oxide may be removed from acetic anhydride, or mixtures of acetic anhydride and acetic acid, by heating a solution comprising (1) acetic anhydride, or a mixture of acetic anhydride and acetic acid, (2) an alpha , beta -unsaturated ketone, (3) ferrous (Fe II) and/or cobaltous (Co II) ion, (4) a cation selected from alkali metals, alkaline earth metals, quaternary organoammonium, quaternary organophosphonium and mixtures thereof, and (5) iodide ion.
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