5-甲基-2'-脱氧-4'-硫代-α-尿苷（R）-S-氧化物
5-Methyl-2'-deoxy-4'-thio-alpha-uridine (R)-S-oxide.
作者信息
Sun M, Macculloch A C, Hamor T A, Walker R T
机构信息
School of Chemistry, University of Birmingham, Birmingham B15 2TT, England.
出版信息
Acta Crystallogr C. 2000 Dec;56(Pt 12):1492-3. doi: 10.1107/s0108270100012798.
PMID:11119002
Abstract
The pyrimidine ring of the title compound, C(10)H(14)N(2)O(5)S, is planar to within 0.024 (1) A and makes an angle of 75.46 (10) degrees with the mean plane of the thiosugar ring. In terms of standard nucleoside nomenclature, this ring has the C3'-endo conformation. The O5'-C5'-C4'-C3' torsion angle is 166.5 (3) degrees and the glycosidic torsion angle S4'-C1'-N1-C2 is -52.1 (2) degrees (syn).
摘要
标题化合物C(10)H(14)N(2)O(5)S的嘧啶环平面度在0.024(1) Å以内，与硫代糖环的平均平面成75.46(10)度角。按照标准核苷命名法，该环具有C3'-内型构象。O5'-C5'-C4'-C3'扭转角为166.5(3)度，糖苷扭转角S4'-C1'-N1-C2为-52.1(2)度（顺式）。
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