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Zinc(II) Complexes of N , N ‐Di(2‐picolyl)hydrazones
Author(s) -
Barsoum David N.,
KyeremehMensah Lawrence,
Meisner Quinton J.,
Clark Ronald J.,
Masson Eric,
Zhu Lei
Publication year - 2016
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201601066
Subject(s) - chemistry , hydrazone , substituent , nitrogen atom , metal , ligand (biochemistry) , zinc , stereochemistry , metal ions in aqueous solution , medicinal chemistry , organic chemistry , ring (chemistry) , biochemistry , receptor
We report on N , N ‐di(2‐picolyl)hydrazone (DPH) ligands that are capable of binding metal ions in two isomeric forms depending on the nature of the hydrazone substituent. When the hydrazone substituent is not coordinating, the metal ion prefers the N , N ‐di(2‐picolyl)amino (DPA) site, which is a known tridentate ligand that anchors on the sp 3 ‐hybridized amino nitrogen atom. When the hydrazone substituent is coordinating, the metal ion instead anchors on the sp 2 ‐hybridized imino nitrogen atom to afford a different structural isomer. Zinc(II) is used as a representative transition‐metal ion for characterizing the coordination chemistry of DPH in both solution and solid states.