- Stevens Rearrangement
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Stevens Rearrangement
T. S. Stevens et al., J. Chem. Soc. 1928, 3193; 1930, 2107, 2119; 1932, 55, 1926, 1932.
Migration of an alkyl group from a sulfonium or quaternary ammonium salt to an adjacent carbanionic center on treatment with strong base. The product is a rearranged tertiary amine or sulfide:
Early reviews: H. E. Zimmerman in Molecular Rearrangements Part 1, P. de Mayo, Ed. (Wiley-Interscience, New York, 1963) pp 345-406; D. J. Cram, Fundamentals of Carbanion Chemistry (Academic Press, New York, 1965) pp 223-229; S. M. Pine, Org. React. 18, 403-464 (1970). Selectivity studies vs Sommelet-Hauser rearrangement, q.v.: T. Kitano et al., J. Chem. Soc. Perkin Trans. I 1992, 2851; T. Tanaka et al., J. Org. Chem. 57, 5034 (1992). Review: I. E. Markó, Comp. Org. Syn. 3, 913-932 (1991). Cf. Meisenheimer Rearrangements; [1,2]-Wittig Rearrangement.
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