Journal of Organic Chemistry p. 794 - 797 (1980)
Update date:2022-08-02
Topics:
Boothe, Thomas E.
Greene, Joseph L.
Shevlin, Philip B.
Tributyltin radicals have been allowed to react with erythro- and threo-2-bromo-3-(phenylsulfonyl)butane (5a,b) to generate β-(phenylsulfonyl)-sec-butyl radicals 9.The intermediate 9 eliminates phenylsulfonyl radicals to form 2-butenes in a nonstereospecific manner.The lack of stereospecificity is due to rotation about the C2-C3 bond before the loss of the phenylsulfonyl radical can occur and implies that the stabilization of the radical by sulfur bridging is negligible.
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