期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 67, 期 15, 页码 5202-5207出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo0258249
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Acetals are obtained in good yields by treatment of aldehydes and ketones with trialkyl orthoformate and the corresponding alcohol in the presence of 0.1 mol % Bi(OTf)(3).4H(2)O. A simple procedure for the formation of acetals of diaryl ketones has also been developed. The conversion of carbonyl compounds to the corresponding 1,3-dioxolane using ethylene glycol is also catalyzed by Bi(OTf)(3).4H(2)O (1 mol %). Two methods, both of which avoid the use of benzene, have been developed.
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