Stereochemistry of [2,3]Sigmatropic Rearrangements

Authors

  • Prof. Dr. Reinhard W. Hoffmann

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    1. Fachbereich Chemie der Universität Hans-Meerwein-Strasse, D-3550 Marburg (Germany)
    • Fachbereich Chemie der Universität Hans-Meerwein-Strasse, D-3550 Marburg (Germany)
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Abstract

Stereoselective synthesis is attracting more and more attention. Successful stereoselective syntheses require the availability of reactions of known stereochemistry which give maximum yields of the desired products. This is particularly so with reactions proceeding via cyclic transition states. Of these, the stereochemistry of [3,3]sigmatropic processes has long been known. This article now summarizes the factors determining the stereoselectivity of [2,3]sigmatropic rearrangememts.

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