Mixed anhydrides of α-mercuriohexafluoroisobutyric acids
Mercury salts of carboxylic acids are readily added on to bis(trifluoromethyl) ketene and its N-phenylimine, forming mixed anhydrides or imides of α-mercuriobishexafluoroisobutyric acid.
The mixed anhydride of trifluoroacetic and α-mercuriobishexafluoroisobutyric acids is readily decomposed to bis(trifluoromethyl) ketene, trifluoroacetic anhydride, and the internal salt of α-mercuriohexafluoroisobutyric acid. On decarboxylation in pyridine this salt is converted to hexafluoroisopropylidenemercury.
KeywordsMercury Pyridine Anhydride Carboxylic Acid Ketene
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