Rearrangement of S-methylbenzylsulfonium S-alkylides in non-basic media
Abstract
S-Methyibenzylsulfonium S-alkylides, prepared by fluoride ion-induced desilylation of S-methyl-S-[1-(trimethylsilyl)alkyl](2,4-disubstituted benzyl)sulfonium salts 8 in dimethyl sulfoxide, rearranged exclusively to Sommelet–Hauser products without contamination of Stevens products.