The preparation of bicyclo[2.2.1] (E)-allylsulfones starting from the corresponding (Z)-vinylsulfones is described. Starting from 2,3-bis(phenylsulfonyl)norbornadiene 1, the Michael addition of organometallic reagents followed by the base catalyzed isomerization affords (E)-allylsulfones in high yields. The procedure allows to obtain vinylidenic norbornenes which are characteristic nuclei of valuable biologically active compounds
Autori: | ||
Data di pubblicazione: | 2006 | |
Titolo: | Conversion of gamma-substituted bicyclo[2.2.1] (Z)-vinylsulfones to the corresponding (E)-allylsulfones | |
Rivista: | TETRAHEDRON LETTERS | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.tetlet.2006.01.099 | |
Volume: | 47 | |
Appare nelle tipologie: | 2.1 Articolo su rivista |
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