Donating with a difference: Thiazolyl (Taz) substituted thioglycosides have been successfully used in the synthesis of both 1,2-trans- and 1,2-cis-glycosides and also have found application in convergent oligosaccharide synthesis. In addition, this study has demonstrated that STaz and SEt moieties are fully orthogonal (see scheme, Bn=benzyl; X=STaz, Y=SEt or X=SEt, Y=STaz).
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Demchenko et al. (2004) studied this question.
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