Radical cyclization of epoxy vinyl-and allylsulfones promoted by titanocene chloride

A Fernández-Mateos, SE Madrazo…

Index: Craig, Donald; Ley, Steven V.; Simpkins, Nigel S.; Whitham, Gordon H.; Prior, Michael J. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985 , p. 1949 - 1952

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Abstract

... have been obtained using this methodology.(1) However, very few examples of Michael-type radical ... 35.(9) The fact that we obtained the 5-exo cyclization products, 4c/d, not only ... The ratio of diastereoisomers (determined by integration of signals in 1 H NMR spectra) was 53:47 ...

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