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4-硝基苯基 α-L-鼠李吡喃糖苷半水合物

4-Nitro-phenyl α-l-rhamnopyran-oside hemihydrate.

作者信息

Peltier Pauline, Daniellou Richard, Roisnel Thierry, Nugier-Chauvin Caroline, Ferrières Vincent

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 9;64(Pt 2):o379. doi: 10.1107/S1600536807068195.

DOI:10.1107/S1600536807068195
PMID:21201409
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2960228/
Abstract

In the title compound, C(12)H(15)NO(7)·0.5H(2)O, there are two independent mol-ecules in the asymmetric unit, together with one water molecule. The pyran-oside rings each have close to a (1)C(4) chair conformation and the nitro groups are almost coplanar with the benzene rings. The water mol-ecule links the two independent mol-ecules through O-H⋯O hydrogen bonds. All the hydroxyl groups are involved in hydrogen-bond inter-actions, giving rise to a three-dimensional network.

摘要

在标题化合物C₁₂H₁₅NO₇·0.5H₂O中,不对称单元中有两个独立分子以及一个水分子。吡喃糖苷环各自具有接近(1)C₄椅式构象,硝基几乎与苯环共面。水分子通过O—H⋯O氢键连接两个独立分子。所有羟基都参与氢键相互作用,形成三维网络。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b63/2960228/5fac51c155de/e-64-0o379-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b63/2960228/c6fa19acac14/e-64-0o379-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b63/2960228/5fac51c155de/e-64-0o379-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b63/2960228/c6fa19acac14/e-64-0o379-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9b63/2960228/5fac51c155de/e-64-0o379-fig2.jpg

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