Abstract

AbstractSimple syntheses of phosphoric (4) and carboxylic (6) acid anhydrides have been elaborated by means of solid potassium carbonate in phase‐transfer catalytic acylation. Behavior of various acid chlorides, phosphoric (1), sulfonic (2), and carboxylic (8), have also been studied toward potassium carbonate in the presence of lipophilic quaternary ammonium salt. © 2004 Wiley Periodicals, Inc. Heteroatom Chem 15:447–450, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.20039

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