Stabilization of monovalent nickel in aqueous solutions by a saturated tetra-aza-macrocyclic ligand

Nusrallah Jubran, Gregory Ginzburg, Haim Cohen, Dan Meyerstein

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The planar form of the complex C-meso-1,4,5,7,7,8,11,12,14,14-decamethyl-1, 4,8,11 - tetra-azacyclotetradecanenickel(I) {[Ni(L1)]+} is shown to be stable in aqueous solutions, with t1/2 > 100 h and the formal potential of the couple [Ni(L1)]2+/[Ni(L 1)]+ is -0.98 V vs. standard calomel electrode; redox reactions involving this couple were studied and compared with those of the couple [Ni(L2)]2+/[Ni(L2)]+ (L 2 = C-meso-5,7,7,12,14,14-hexamethyl-1,4,8,11-tetra- azacyclotetradecane).

Original languageEnglish
Pages (from-to)517-519
Number of pages3
JournalChemical Communications
Issue number9
DOIs
StatePublished - 1 Jan 1982

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