Georg Thieme Verlag, Synlett: Accounts and Rapid Communications in Synthetic Organic Chemistry, 15(2008), p. 2321-2325
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An efficient asymmetric synthesis of isofagomine, based on a precursor containing three differentiated hydroxyl functions, is described. The side product in the key alkylation step is converted into (2S,3R,4R)-2,4-bis(hydroxymethyl)-3-hydroxypyrrolidine, a new C(6) pyrrolidine azasugar, which inhibits alpha-glucosidase from yeast.