The effects of added acids and salts on the rates of hydrolysis of a number of 3-alkylsydnones have been studied. It is shown that the acid-catalysed hydrolyses of 3-methyl- and 3-isopropyl-sydnone proceed by both an A2 mechanism and a nucleophilic catalysis pathway. On the other hand, 3-t-butyl- and 3-furfuryl-sydnone hydrolyse by both a ‘neutral’ and an A1 mechanism.
S. Aziz, A. J. Buglass and J. G. Tillett, J. Chem. Soc. B, 1971, 1912 DOI: 10.1039/J29710001912
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