O-Ethyl and O-methyl N-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-thiocarbamate

被引：11
|
作者：
Zhang, SS
Wang, ZW
Li, M
Jiao, K
Razak, IA
Raj, SSS
Fun, HK [1 ]
机构：
[1] Univ Sains Malaysia, Sch Phys, Xray Crystallog Unit, USM 11800, Penang, Malaysia
[2] Qingdao Inst Chem Technol, Dept Appl Chem, Qingdao 266042, Peoples R China
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 2001年 / 57卷 / 05期
关键词：
Aromatic compounds - Conformations - Hydrogen bonds - X ray crystallography;
D O I：
10.1107/S0108270101000609
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In both the title structures, O-ethyl N-(2,3,4,6-tetra-O-acetyl-beta -D-glucopyranosyl)thiocarbamate, C17H25NO10S, and O-methyl N-(2,3,4,6-tetra-O-acetyl-beta -D-glucopyranosyl)thiocarbamate, C16H23NO10S, the hexopyranosyl ring adopts the C-4(1) conformation. All the ring substituents are in equatorial positions. The acetoxymethyl group is in a gauche-gauche conformation. The S atom is in a synperiplanar conformation, while the C-N-C-O linkage is antiperiplanar. N-H . . .O intermolecular hydrogen bonds link the molecules into infinite chains and these are connected by C-H . . .O interactions.
引用
收藏
页码：566 / 568
页数：3
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