McLafferty Rearrangement

F. W. McLafferty, Anal. Chem. 31, 82 (1959).

Electron-impact-induced cleavage of carbonyl compounds having a hydrogen in the γ-position, to an enolic fragment and an olefin:

D. G. I. Kingston et al., Chem. Rev. 74, 215 (1974); K. Biemann, Mass Spectrometry (New York, 1962) p 119; Djerassi et al., J. Am. Chem. Soc. 87, 817 (1965); 91, 2069 (1969); 94, 473 (1972); M. J. Lacey et al., Org. Mass Spectrom. 5, 1391 (1971); G. Eadon, J. Am. Chem. Soc. 94, 8938 (1972); F. Turecek, V. Hanus, Org. Mass Spectrom. 15, 8 (1980). Cf. Norrish Type Cleavage.