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METHOD FOR DEGRADING ALPHA BETA-UNSATURATED CARBONYL COMPOUNDS IN REFINING ACETIC ACID AND / OR ACETIC ACID
METHOD FOR DEGRADING ALPHA BETA-UNSATURATED CARBONYL COMPOUNDS IN REFINING ACETIC ACID AND / OR ACETIC ACID
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机译:精制乙酸和/或乙酸的降解α-β-不饱和羰基化合物的方法
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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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