Monometallic and Multimetallic Zinc Complexes of 2,7-Bis(2-pyridyl)-1,8-naphthyridine

Autor:	Michael A. Stevens, Peter D. Hall, Annie L. Colebatch
Rok vydání:	2021
Předmět:	chemistry Solution state chemistry.chemical_element Protonation General Chemistry Zinc Single crystal Trifluoromethanesulfonate Medicinal chemistry
Zdroj:	Australian Journal of Chemistry. 75:135-141
ISSN:	1445-0038 0004-9425
DOI:	10.1071/ch21129
Popis:	A series of zinc complexes of 2,7-bis(2-pyridyl)-1,8-naphthyridine (BPNP) has been synthesised and characterised by single crystal X-ray diffraction and solution state NMR spectroscopic studies. Reactions of BPNP with zinc acetate and zinc chloride were found to give mononuclear complexes of the form [Zn(BPNP)X2] (X = OAc, Cl), whereas reactions with zinc triflate led to a mixture of products. Several of these were identified crystallographically as [Zn(BPNP-H)(H2O)4](OTf)3 and [Zn(BPNP-H)(NCMe)(OTf)2]OTf, in which protonation of one pyridyl group occurred, and the dimeric species [Zn2(BPNP)4(μ-H2O)2](OTf)4. A trimetallic complex [Zn3(μ2-BPNP)(μ2-OAc)3(OAc)2(μ3-OH)] was also isolated from reactions involving zinc acetate, and demonstrates the ability of BPNP to coordinate two zinc atoms in the adjacent binding pockets.
Databáze:	OpenAIRE
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