Molecular tectonics: design and structural analysis of enantiomerically pure tectons and helical coordination networks

被引:15
作者
Grosshans, P
Jouaiti, A
Bulach, W
Planeix, JM
Hosseini, MW
Nicoud, JF
机构
[1] Univ Strasbourg, Lab Chim Coordinat Organ, Inst Le Bel, F-67000 Strasbourg, France
[2] Inst Phys & Chim Mat Strasbourg, Grp Mat Organ, CNRS, UMR 7504, F-67034 Strasbourg 2, France
[3] Univ Strasbourg, F-67034 Strasbourg 2, France
关键词
pyridine; tecton; ligand; isomannide; isosorbide; mercury; helix; structure; network;
D O I
10.1016/j.crci.2004.01.003
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis of the four new enantiomerically pure coordinating tectons based on isomannide or isosorbide backbone bearing two pyridine units as coordination sites was achieved and their structure analysed by X-ray diffraction on single crystals. The junction between the pyridine units. connected to the sugar moieties at either position 3 or 4. was achieved by ester groups. Under self-assembly conditions, a mixture of the tectons based on isomannide bearing two nicotinoyl groups and H-Cl, generates in the crystalline phase an enantiomerically pure single stranded helical assembly. As demonstrated by X-ray diffraction on single crystal, the infinite directional coordination networks are packed in the syn-parallel fashion, leading thus to a polar crystal. (C) 2004 Published by Elsevier SAS on behalf of Academie des sciences.
引用
收藏
页码:189 / 196
页数:8
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