Synergistic Effect in the Catalysis by Pyridine N-Oxide-Triethylamine Mixture of Acyl Transfer Processes with Participation of Benzoyl, Diethoxyphosphinoyl, and p-Toluenesulfonyl Chlorides

Add time:09/29/2019    Source:infona.pl

The kinetics of benzoylation of substituted phenols with benzoyl chloride in the presence of pyridine N-oxide-triethylamine was analyzed with regard to previously reported data on benzoylation, phosphorylation, and sulfonylation of phenols and carboxylic acids. A common mechanism of the synergistic effect was established. The synergistic effect decreases in the series PhCOCl >> (EtO)2POCl > TsCl.

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