Induction of carbonyl-carbyne coupling by chelating Schiff base ligands. Crystal and molecular structure of carbonyl(methoxyphenylacetylene)bis(pyrrole-2-carboxaldehyde methyliminato)tungsten

1987 ◽  
Vol 6 (7) ◽  
pp. 1503-1508 ◽  
Author(s):  
Andreas. Mayr ◽  
Gregory A. McDermott ◽  
Alison M. Dorries ◽  
Donna. Van Engen
Keyword(s):  
Molecular Structure ◽  
Schiff Base ◽  
Crystal And Molecular Structure ◽  
Schiff Base Ligands

Crystal and molecular structure of a nickel complex with two monoanionic bidentate Schiff base ligands

2001 ◽  
Vol 216 (10) ◽  
Author(s):  
S. İde ◽  
N. Ancın ◽  
S. G. Öztas
Keyword(s):  
Molecular Structure ◽  
Schiff Base ◽  
Title Compound ◽  
Nickel Complex ◽  
Crystal And Molecular Structure ◽  
Schiff Base Ligands

AbstractThe title compound, Bis [N-(4-methoxybenzylidene)-2-mercaptoanilinato] Ni(II), [Ni(C

scholarly journals Structural Characterization of Heterodinuclear ZnII-LnIII Complexes (Ln = Pr, Nd) with a Ring-Contracted H2valdien-Derived Schiff Base Ligand

2021 ◽  
Author(s):  
Shabana Noor ◽  
Richard Goddard ◽  
Fehmeeda Khatoon ◽  
Sarvendra Kumar ◽  
Rüdiger W. Seidel
Keyword(s):  
Molecular Structure ◽  
Schiff Base ◽  
Structural Characterization ◽  
Schiff Base Ligand ◽  
Crystal And Molecular Structure ◽  
X Ray ◽  
X Ray Crystallography ◽  
Imidazoline Ring

AbstractSynthesis and structural characterization of two heterodinuclear ZnII-LnIII complexes with the formula [ZnLn(HL)(µ-OAc)(NO3)2(H2O)x(MeOH)1-x]NO3 · n H2O · n MeOH [Ln = Pr (1), Nd (2)] and the crystal and molecular structure of [ZnNd(HL)(µ-OAc)(NO3)2(H2O)] [ZnNd(HL)(OAc)(NO3)2(H2O)](NO3)2 · n H2O · n MeOH (3) are reported. The asymmetrical compartmental ligand (E)-2-(1-(2-((2-hydroxy-3-methoxybenzylidene)amino)-ethyl)imidazolidin-2-yl)-6-methoxyphenol (H2L) is formed from N1,N3-bis(3-methoxysalicylidene)diethylenetriamine (H2valdien) through intramolecular aminal formation, resulting in a peripheral imidazoline ring. The structures of 1–3 were revealed by X-ray crystallography. The smaller ZnII ion occupies the inner N2O2 compartment of the ligand, whereas the larger and more oxophilic LnIII ions are found in the outer O2O2’ site. Graphic Abstract Synthesis and structural characterization of two heterodinuclear ZnII-LnIII complexes (Ln = Pr, Nd) bearing an asymmetrical compartmental ligand formed in situ from N1,N3-bis(3-methoxysalicylidene)diethylenetriamine (H2valdien) through intramolecular aminal formation are reported.

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