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Synthesis 1987; 1987(4): 386-389
DOI: 10.1055/s-1987-27955
DOI: 10.1055/s-1987-27955
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A New Ready, High-Yielding, General Procedure for Acetalization of Carbonyl Compounds
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Publication History
Publication Date:
20 August 2002 (online)
Carbonyl compounds are smoothly and rapidly acetalized by treatment with alcohols, in anhydrous acetonitrile, in the presence of polystyryl diphenyl phosphine - iodine complex as catalyst. Open and cyclic acetals, including 1,3-dioxolanes, 1,3-oxathiolanes, and 1,3-dithiolanes, of miscellaneous aldehydes and ketones have been successfully prepared in this way. The isolation of the product is very easily performed, by simple filtration of the polymer-linked phosphine oxide which is formed in the reaction.