scholarly journals Hemilabile bonding of 1-oxa-4,7-dithiacyclononane in cyclometallated palladium(ii) complexes

2019 ◽  
Vol 48 (30) ◽  
pp. 11520-11535
Author(s):  
Daron E. Janzen ◽  
Meaghan A. Bruening ◽  
Arthur A. Mamiya ◽  
Laura E. Driscoll ◽  
Demetrio A. da Silva Filho
Keyword(s):  
Synthesis And Characterization ◽  
Donor Ligand ◽  
Cyclometallated Complexes

The synthesis and characterization of a series of cyclometallated complexes of Pd(ii) incorporating the mixed donor ligand 1-oxa-4,7-dithiacyclononane ([9]aneS2O) are presented in this study.

Synthesis and characterization of two stable paramagnetic octahedral chromium(IV) complexes with dianionic tridentate SNO donor ligands and of a chromium(III) complex with a ONO donor ligand

2008 ◽  
Vol 361 (5) ◽  
pp. 1485-1495 ◽  
Author(s):  
Manjuri K. Koley ◽  
Seshadri C. Sivasubramanian ◽  
Babu Varghese ◽  
Periakaruppan T. Manoharan ◽  
Aditya P. Koley
Keyword(s):  
Donor Ligands ◽  
Synthesis And Characterization ◽  
Donor Ligand

Synthesis and Characterization of Heterometallic Iron–Uranium Complexes with a Bidentate N-Donor Ligand (2,2′-Bipyridine or 1,10-Phenanthroline)

2018 ◽  
Vol 57 (21) ◽  
pp. 13318-13329 ◽  
Author(s):  
Sebastian Schöne ◽  
Thomas Radoske ◽  
Juliane März ◽  
Thorsten Stumpf ◽  
Atsushi Ikeda-Ohno
Keyword(s):  
Synthesis And Characterization ◽  
Donor Ligand ◽  
Uranium Complexes

The synthesis and characterization of the pendant-armed ligand N,N′-bis(2′-pyridylmethyl)-1,7-dithia-4,11-diazacyclotetradecane (L4) and crystal structures of L4 and the copper(II) complex [Cu(L4)](ClO4)2 — Crystal structure of the nickel(II) complex of N-(2′-pyridylmethyl)-1,4,7-trithia-11-azacyclotetradecane (L2), [Ni(L2)(CH3CN)](ClO4)2·CH3CN

2006 ◽  
Vol 84 (2) ◽  
pp. 187-195 ◽  
Author(s):  
B CM Chak ◽  
A McAuley
Keyword(s):  
Crystal Structure ◽  
Copper Ion ◽  
Esr Spectra ◽  
Synthesis And Characterization ◽  
Electrochemical Studies ◽  
High Dilution ◽  
Donor Ligand ◽  
X Ray ◽  
Distorted Octahedral

The synthesis and characterization of the mixed donor ligand N,N′-bis(2′-pyridylmethyl)-1,7-dithia-4,11-diazacyclotetradecane (L4) containing two pendant pyridine arms is described. The macrocycle formation involves reaction of N-tosylbis(2-bromoethyl)amine with N-tosylbis(3-mercaptopropyl)amine at high dilution followed by detosylation at the nitrogen atoms using LiAlH4 in view of the presence of the thioether groups. An X-ray study of the ligand shows the sulphur atoms lie exo to the macrocyclic ring. The nickel(II) and copper(II) complexes of L4 have been characterized and the X-ray structure of the Cu(II) ion exhibits a five-coordinate copper ion despite the presence of six available donor atoms. In the case of ligand N-(2-pyridylmethyl)-1,4,7-trithia-11-azacyclotetradecane (L2), with a single pendant N donor, the Ni(II) complex is distorted octahedral with a molecule of acetonitrile in the sixth site. Details of UV–vis, ESR spectra, and electrochemical studies on the complexes are presented.Key words: synthesis, pendant-armed, mixed donor S,N macrocycles, copper, nickel.

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