Abstract

Sweet sulfur: Sulfuryl imidazolium salt 1 represents a new class of highly potent sulfating agents and is very effective for introducing trichloroethyl-protected sulfates into monosaccharides for the synthesis of sulfated oligosaccharides (see scheme; NMI=N-methylimidazole, OTf=triflate, PG=protecting group, TCE=2,2,2-trichloroethyl).

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