The Role of the C–H··· π Interactions in the Cyclisation Reactions Leading to New Aryl??Bridged Tetraazamacrocyclic Complexes of Copper and Nickel

…, B Korybut??Daszkiewicz, S Domagała…

Index: Kaminski, Radoslaw; Kowalski, Jaroslaw; Mames, Iwona; Korybut-Daszkiewicz, Bohdan; Domagala, Slawomir; Wozniak, Krzysztof European Journal of Inorganic Chemistry, 2011 , # 4 p. 479 - 488

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Abstract

Abstract A series of neutral macrocyclic transition metal complexes of Cu II and Ni II, with bridging polyether linkers joining them to aromatic fragments, has been synthesised and their crystal and molecular structures have been established by single-crystal X-ray diffraction. These molecules adopt an “equatorial” conformation of the bridge due to formation of C–H··· π interactions. Because of these interactions only cyclic products are ...