CuIIcomplexation by a tritopic macrocyclic ligand. A doubly µ3-hydroxo bridged trinuclear copper(II) cryptate

Abstract
The tritopic hexa-aza-macrocycle (1) binds three CuII ions in solution and leads in particular to the assembly of a trinuclear bis-µ3-hydroxo bridged complex whose crystal structure has been determined; it may be considered as a cryptate of a cationic cluster [Cu3(OH)2]4+ held inside the macrocyclic cavity of the ligand.
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