STRUCTURE OF 2,3,4,5-TETRA-O-ACETYL-6-AMINO-6-DEOXY-D-MANNONOLACTAM

被引:6
|
作者
ONDRACEK, J
NOVOTNY, J
KEFURT, K
HAVLICEK, J
机构
[1] PRAGUE INST CHEM TECHNOL, DEPT CHEM NAT CPDS, CS-16628 PRAGUE 6, CZECHOSLOVAKIA
[2] PRAGUE INST CHEM TECHNOL, DEPT ORGAN CHEM, CS-16628 PRAGUE 6, CZECHOSLOVAKIA
来源
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 1992年 / 48卷
关键词
D O I
10.1107/S010827019101171X
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
C14H19NO9, M(r) = 345.31, orthorhombic, P2(1)2(1)2(1), a = 8.742 (1), b = 10.982 (1), c = 17.302 (2) angstrom, V = 1661.1 (2) angstrom3, Z = 4, D(m) = 1.40, D(x) = 1.38 Mg m-3, lambda(Mo K-alpha) = 0.71073 angstrom, mu = 0.11 mm-1, F(000) = 728, T = 295 K, R = 0.051 for 1848 unique observed reflections. The seven-membered lactam ring adopts a chair conformation with C3, C6 and N displaced by 0.677 (6), - 1.007 (7), - 0.323 (7) angstrom, respectively, from the plane through C1, C2, C4 and C5. The molecules are linked together by N-H...O hydrogen bonds involving the amido N and the acetyl O9 atoms.
引用
收藏
页码:929 / 930
页数:2
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