期刊
COORDINATION CHEMISTRY REVIEWS
卷 240, 期 1-2, 页码 157-166出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0010-8545(03)00021-3
关键词
recognition; anion; amidinium; supramolecular; network; chirality; tecton
One may apply concepts developed in the context of molecular recognition of anions by synthetic receptors in solution to the design of molecular tectons capable of generating molecular networks with anionic species in the crystalline phase. With respect to that, bis-cyclic amidinium dications are interesting tectons because they offer two positive charges allowing strong electrostatic charge-charge interactions with anions and four acidic protons divergently oriented and capable of forming two sets of two H-bond chelates. The latter characteristic is of interest for the generation of supramolecular chirality taking place within the second coordination sphere around anionic metal complexes adopting an octahedral coordination geometry. (C) 2003 Elsevier Science B.V. All rights reserved.
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