The McLafferty rearrangement: A personal recollection
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- Nibbering, N.M.M. J Am Soc Mass Spectrom (2004) 15: 956. doi:10.1016/j.jasms.2004.04.025
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In this article, dedicated to Professor Fred McLafferty, I wish to recollect early observations with regard to the rearrangement named after him for 1-nitropropane and the methyl ester of γ-nitrobutyric acid. This rearrangement occurs for both cases clearly in a stepwise fashion, although for the ester, it occurs as a hidden rearrangement that catalyzes the tautomerization of the nitro group into its aci-form.