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A novel reagent for the synthesis of geminal di-sulfones

✍ Scribed by Michael J Hadd; Mark A Smith; Jacquelyn Gervay-Hague

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
107 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

A novel reagent (diisopropoxyphosphorylmethanesulfonylmethanesulfonylmethyl)-phosphonic acid diisopropyl ester (8) capable of forming symmetrical and non-symmetrical a,b unsaturated gem-disulfones is reported. Both aromatic and aliphatic aldehydes react in good yields to give exclusively the trans isomer. Selectivity for the mono-olefin can be achieved by varying the stoichiometry of reagents.

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