Ketene Acetals. XXXVI. The Preparation and Properties of Acylketene Acetals

SM McElvain, GR McKay Jr

文献索引：McElvain; McKay Journal of the American Chemical Society, 1956 , vol. 78, p. 6086,6090

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被引用次数: 24

摘要

Benzoyl chloride reacts with one equivalent each of ketene dimethylacetal and triethylamine in ether solution to give 50-55% yields of benzoylketene acetal (X'III), the hydrochloride of the amine and small amounts of methyl P-benzoyloxycinnamate (X) and methyl dibenzoylacetate (XI). With an excess of the amine lesser amounts of VI11 are formed, and some of the amine is converted to the methyl-quaternary salt. Acylketene acetals are best ...