Crystal structure of 4,6-dimethyl-2-[(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)sulfanyl]pyrimidine
In the title compound, C20H26N2O9S, the S atom is attached equatorially to the sugar ring. The C—S bond lengths are unequal, with S—Cs = 1.8018 (13) Å and S—Cp = 1.7662 (13) Å (s = sugar and p = pyrimidyl). In the crystal, a system of three weak hydrogen bonds, sharing an oxygen acceptor, links the molecules to form chains propagating parallel to the b-axis direction.