Deoxythiosugar Derivatives with Furano, Pyrano, and Septano Motifs from L-Gulono-1,4-lactone and D-Glycero-D-gulo-heptono-1,4-lactone

[摘要]：A short synthesis of thiosugar derivatives mimicking furanose, pyranose, and septanose structures has been achieved starting from L-gulono-1,4-lactone and D-glucoheptono-1,4-lactone. Different strategies used in the synthesis are: (1) a nucleophilic displacement and Michael addition; (2) epoxide ring opening and Michael addition; (3) epoxide ring opening and nucleophilic displacement process; and (4) double nucleophilic displacement. All of these reactions used benzyltriethylammonium tetrathiomolybdate, (BnEt3N)(2)MoS4 as the sulfur-transfer reagent.

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