"Syn-Effect" in the Desulfonylation Reaction of α,α-Dialkylated (E)-Allylic Sulfones
It was found that the desulfonylation reaction of α,α-dialkylated (E)-allylic sulfones with a base preferentially affords the sterically unfavorable (Z)-alkadienes. The relative degree of the "syn-effect", which is herein defined as an effect which stabil
Synthesis of Allyl and Dienyl Sulphones via Iodosulphonylation of Conjugated Dienes
The iodosulphonylation of conjugated dienes with sodium or mercury(II) toluene-p-sulphinate and iodine yields δ-iodoalkenyl sulphones stereoselectively.These compounds undergo stereospecific dehydrohalogenation to afford dienyl sulphones and nucleophilic
Barluenga, Jose,Martinez-Gallo, Jose M.,Najera, Carmen,Fananas, Francisco J.,Yus, Miguel
p. 2605 - 2610
(2007/10/02)
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