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Synthesis and characterization of a new family of binuclear chelate ligands and their copper(II) complexes

✍ Scribed by Naohide Matsumoto; Miaki Asakawa; Hidenori Nogami; Akira Ohyoshi

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
308 KB
Volume
96
Category
Article
ISSN
0020-1693

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✦ Synopsis

A new family of binuclear copper(H) complexes with a flexible bridging group has been prepared by the electrophilic substitution reaction of N-salicylaldehyde-N -acetylacetoneethylenediiminocopper(II) with m-xylene disocyanate or hexamethylene diisocyanate.

The de-metallation reaction of the copper(H) complexes with hydrogen sulfide gave the corresponding binuclear chelate ligands.

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Three binuclear copper(I1) complexes, [Cu2@ -L)@ -N3)](C104)2. 1.5 EtOH (l), [Cu2@ -L)@ -MeO)(C10,)]-C10,. EtOH (2) and [Cu2@ -L)@ -C3H3N2)](C10,)2 .2 H,O, (3) where L is the pentadentale bridging ligand derived from 5-(tert-butyl)-2-hydroxybenzene-1,3-dicarbaldehyde his(benzoy1hydrazone) (HL) were