2-Substituted 1,3-benzoxathiolium tetrafluoroborates are obtained in good to high yields by reaction of o-mercaptophenol with aliphatic or aromatic carboxylic acids,esters, anhydrides and trihalomethyl compounds utilizing phosphorus oxychloride, tetrafluoroboric acid-ether or boron trifluoride-ether complex as condensing agents. 1H-NMR and 13C-NMR spectra are reported.
Useful Synthesis of 2-Substituted 1,3-Benzoxathiolium Tetrafluoroborates from Carboxylic Acids, Anhydrides, Esters and Trihalomethyl Compounds
BARBERO, Margherita;CADAMURO, Silvano;DEGANI, Jacopo;FOCHI, Rita;GATTI, Antonella;REGONDI, Valeria
1986-01-01
Abstract
2-Substituted 1,3-benzoxathiolium tetrafluoroborates are obtained in good to high yields by reaction of o-mercaptophenol with aliphatic or aromatic carboxylic acids,esters, anhydrides and trihalomethyl compounds utilizing phosphorus oxychloride, tetrafluoroboric acid-ether or boron trifluoride-ether complex as condensing agents. 1H-NMR and 13C-NMR spectra are reported.
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