1986
DOI: 10.1139/v86-224
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Structure and conformation of 5-methoxymethyl-1-(2′-deoxy-β-D-lyxofuranosyl)uracil

Abstract: ). The structure of the nucleoside 5-methoxymethyl-l-(2'-deoxy-~-~-lyxofuranosyl)uracil (MMdLU) was deduced by X-ray crystallographic analysis. MMdLU crystallized in space group P2' with a = 8.719(4), b = 13.188(3), c = 5.701(3) A, P = 109.56(2)" and Z = 2; R = 0.040 for 1208 unique reflections with net I > 2u(I). The furanose ring adopts the rare C(4'fiexo envelope conformation (4E). The glycosyl linkage is anti (X = 243.5") and the C(5') side chain has the t conformation. The conformation was also determined… Show more

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