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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