Sheltering under the roof: A trisimidazolium cage is capped with a {FeII(bpy)3}2+ subunit to produce a receptor that can bind small anions (bpy=2,2′-bipyridine). Rodlike “pseudohalide” (N3−, NCO−, and NCS−) and spherical halide (Cl−, Br−, and I−) anions accept hydrogen bonds from CH fragments in the receptor cavity. The N3− ion forms the most stable inclusion compound (see structure; Fe red, C light blue, H white, N dark blue).
A Metal-Based Trisimidazolium Cage that Provides Six C-H Hydrogen-Bond-Donor Fragments and Includes Anions / V., Amendola; M., Boiocchi; B., Colasson; L., Fabbrizzi; M. J., RODRIGUEZ DOUTON; Ugozzoli, Franco. - In: ANGEWANDTE CHEMIE. INTERNATIONAL EDITION. - ISSN 1433-7851. - 45:(2006), pp. 6920-6924. [10.1002/anie.200602598]
A Metal-Based Trisimidazolium Cage that Provides Six C-H Hydrogen-Bond-Donor Fragments and Includes Anions
UGOZZOLI, Franco
2006-01-01
Abstract
Sheltering under the roof: A trisimidazolium cage is capped with a {FeII(bpy)3}2+ subunit to produce a receptor that can bind small anions (bpy=2,2′-bipyridine). Rodlike “pseudohalide” (N3−, NCO−, and NCS−) and spherical halide (Cl−, Br−, and I−) anions accept hydrogen bonds from CH fragments in the receptor cavity. The N3− ion forms the most stable inclusion compound (see structure; Fe red, C light blue, H white, N dark blue).| File | Dimensione | Formato | |
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