Tetrahedron Letters p. 4931 - 4934 (1994)
Update date:2022-08-04
Topics: Synthesis Methylation Stereochemical analysis Stereochemically Methyl General synthesis 2,4,6-trideoxy-4-methylthio-α-D-ribo-pyranoside Thio sugar Esperamicin A1 Thioether formation Pyranoside formation
Roush, William R.
Gustin, Darin
A stereochemically general synthesis of methyl 2,4,6-trideoxy-4-methylthio-α-D-ribo-pyranoside (1b), the thio sugar isolated from esperamicin, is described. The synthesis involves the neighboring group assisted delivery of a sulfur nucleophile to C(5) of
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