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Showing 1 to 12 of 12 for “"Quinolyl"”.
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The Condensation of Grignard Reagents With 3-Pyridyl and 3-Quinolyl Ketones
Made available in DSpace on 2014-12-05T19:36:35Z (GMT). No. of bitstreams: 1 0020877.pdf: 3184477 bytes, checksum: 2352efb275bbed320909b8abe8913fe0 (MD5) Previous issue date: 1957
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Complexation of divalent copper, zinc and calcium ions by phosphate esters in aqueous solution
… glycerol-2-phosphate, methyl phosphate, 8-quinolyl phosphate, 8-quinolyl methyl phosphate, triphosphate and fluorotriphosphate with protons, copper, zinc and calcium ions were determined by potentiometry. In addition, the complexation of 1-naphthyl phosphate, 8-quinolyl phosphate and …
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Syntheses of selected mono- and di-esters of phosphoric acid and stability constants of their copper (II) complexes
… and R₂ = benzyl, 2-pyridylmethyl, 1-naphthylor 8-quinolyl group. However, preparative difficulties and side reactions, due mainly to the susceptibility of the 4-nitrophenoxy moiety to nucleophilic displacement reactions, resulted in simplification of the target models to a pair of monoesters …
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Expanding the versatility of aminoquinoline organometallic complexes as anticancer and antibacterial agents
… Schiff base ligands, bearing either a pyridyl or quinolyl entity, were subjected to metal complexation yielding mononuclear N,N-chelated Ru(II), Ir(III) and Re(I) organometallic complexes. The synthesized compounds were fully characterised by utilizing assorted spectroscopic (solution-state 1H, …
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The electrophilicity and chemistry of phosphate esters
… was taken as a probe for nitrogen (pyridyl or quinolyl) participation in the substitution reaction. Although the heterocyclic derivatives show that the introduction of the nitrogen centre increases the rate of base catalysed hydrolysis, the reactivity enhancement is. not significant and results …
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Tris-Pyridyl Ligands and Beyond: Modifications Derived from the Bridgehead and Donor Vector
… program of research, focusing on tris- and bis-8-quinolyl ligand arrangements containing Group 13 (Al), Group 14 (Sn) and Group 15 (Sb) bridgehead atoms, in which the N-donor atoms are more remote from the bridgeheads than in pyridyl counterparts. A highlight in this area is the development of …
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Main Group Elements in Catalysis: Alkene/Alkyne Activation Using Organoaluminium(III)–Pyridyl Dimers
… behaviour of tris-(2-Me-6-qyinolyl) and tris-(5-quinolyl) ligands containing Sb and Bi bridgehead atoms with a range of transition metals is explored, for assembly into supramolecular structures and as potential ligands for new catalytic systems.
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Synthesis of Heteroleptic Redox-active and Spin-crossover Complexes
… behind incorporating the Schiff base ligand N-(8-quinolyl)salicylaldimine with some redox-active species into a mixed ligand complex featuring a d4-d7 metal ion center was to prime the material for spin-crossover based on strong intermolecular interactions that would enhance cooperativity of the …
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Spin labile conducting metallopolymers : a new architecture for hybrid multifunctional materials
… (2.19) substituted qsal [qsalH = N-(8-quinolyl)salicylaldimine] and 3,3' -diethynyl-2,2' -bithienyl bridging bisqsal (5.06) ligands are described along with the preparation and characterization of eight cationic iron(III) complexes containing these ligands with a selection of …
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Effect of cellular zinc concentration on glucocorticoid induced gene expression
… by a fluorescence assay using N-(6-methoxy-8-quinolyl 1)-p-toluenesulfonamide (TSQ) to measure exchangeable zinc and induced coupled plasma analysis to measure total zinc. The 83% reduction in total cellular zinc, corresponding to a 65% decrease in TSQ fluorescence was rapid, nearly maximal …
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Main Group Hydrogen-Bond Donors and Pyridyl Ligands for Supramolecular and Coordination Chemistry
… chemistry of the parent ligand and the effect of quinolyl substitution. Finally, we investigate the host-guest chemistry of pentameric phosphazane macrocycle {[NHP(µ-NtBu)]2}5. The polar coordination site of this system promotes new modes of guest encapsulation via H-bonding with the π-systems of …
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Design, Preparation and Characterization of Novel Pseudorotaxanes, Semirotaxanes, Rotaxanes, Non-Covalent Supramolecular Polymers and Polycatenanes
… easily accessible BMP32C10 pyridyl, quinolyl and naphthyridyl derivatives with paraquat. The formation of the pseudocryptand structures in the complexes remarkably improved the association constants by forming the third pseudo-bridge via H-bonding with the guest and π-stacking of the …