Chemistry (Scholarly Publications): Recent submissions
Now showing items 621-640 of 931
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Extending the family of Zn-based MOFs: synthetic approaches to chiral framework structures and MOFs with large pores and channels
(2012)Tri- and pentanuclear, kinetically stable SBUs were exploited for the preparation of the novel MOFs [Zn 3(BTEB) 2(DMF) 2] and (Me 2NH 2)[Zn 5(BTEB) 3(? 3-OH) 2(DMF) 2]. The applied synthetic approach results in topologies ... -
An EXAFS and HR-XANES Study of the Uranyl Peroxides [UO2(η2-O2)(H2O)2].nH2O (n = 0,2) and Uranyl (Oxy)hydroxide [(UO2)4O(OH)6].6H2O
(2014)The solid-sate structures of the two uranyl peroxides studtite, [UO 2 ( ? 2 -O 2 )(H 2 O) 2 ]?2H 2 O, and metastudtite [UO 2 ( ? 2 -O 2 )(H 2 O) 2 ] have been determined by U ? L 3 edge extended ... -
The electronic structure of the antimony chalcogenide series: Prospects for optoelectronic applications
(2014)In this study, density functional theory is used to evaluate the electronic structure of the antimony chalcogenide series. Analysis of the electronic density of states and charge density shows that asymmetric density, or ... -
Inkjet-defined field-effect transistors from chemical vapour deposited graphene
(2014)In this work, inkjet printing methods are used to create graphene field effect transistors with mobilities up to 3000 cm2 V?1 s?1. A commercially-available chromium-based ink is used to define the device channel by inhibiting ... -
N-substituted Pyridazines as Building Blocks in Novel Supramolecular Architectures
(2009)A series of mono, 1,4-di and 1,3,5-tri 4-substituted 3,6-di(2-pyridyl)pyridazines were analyzed to evaluate the substituent and steric effects in the crystal packing. -
Switching and tuning organic solid state luminescence via a supramolecular approach
(2009)Unusual intermolecular interactions of organic luminescent acid, 2-cyano-3(4-(diphenylamino)phenyl)acrylic acid (CDPA), with amines lead to the formation of supramolecular luminescence systems with switchable and tunable ... -
Ferrocenylalkynes as ligands in transition metal complexes
(2001)Several ferrocenylalkynes have been prepared and their reaction with dicobalt octacarbonyl led to the formation of [Co2(CO)6(?-?2 ? ?2-ethynylferrocene)] 1, [Co2(CO)6(?-?2 ? ?2-1,4-bis(ferrocenyl)butadiyne)] 2, [(Co2(CO)6)2(?-?2 ... -
Benzylic Oligothioethers as Ditopic Ligands for Group 6 Transition Metal Carbonyls
(2000)The co-ordination preferences of a family of novel thioethers based on (alkylsulfanylmethyl)benzene were examined. The alkyl chain length and the number and position of the thioether substituents were varied. The ligands ... -
Palladium bis(phosphinite) 'PCP'-pincer complexes and their application as catalysts in the Suzuki Reaction
(2000)Palladium complexes of inexpensive, easily synthesised bis(phosphinite) `PCP ?-pincer ligands show good activity in the Suzuki coupling of deactivated and sterically hindered aryl bromides -
The N-carbamoyl squaramide dimer: A compact, strongly associated H- bonding motif
(1999)N-Carbamoyl squaramides 3, readily available from dialkyl squarate 5, form hydrogen-bonded dimers in solution and in non-polar organic solvents; in CDCl3 they show no significant dissociation down to concentrations of ?0.5 mM. -
Nitrile and non-nitrile pyridine products from the reaction of 2-cyano- 3-(x-nitrophenyl)prop-2-enamides with methyl 3-oxobutanoate
(1999)The reaction of 2-cyano-3-(x-nitrophenyl)prop-2-enamides with methyl 3-oxobutanoate affords methyl 4-aryl-3-cyano-6-methyl-2-oxo-1,2-dihydropyridine-5-carboxylates, methyl 4-aryl-5-cyano-2-hydroxy-2-methyl-6-oxopiperidin ... -
Synthesis and 13C NMR assignment of ammonium benzylidenepropanedioates and benzylidenepropanediamides
(1998)Mono- and di-ammonium benzylidenepropanedioates are synthesised, the molecular structure of a mono-ammonium salt confirmed by X-ray diffraction, and the 13C NMR spectra of the salts and the related benzylidenepropanediamides ... -
Formation of Polysubstituted Pyridin-2-one Derivatives by Michael Addition of 3-Oxobutanamide to ?,?-Ethylenic Ketones and Amides
(1997)Reaction of 3-oxobutanamide with 4-phenylbut-3-en-2-one and with 3-aryl-2-cyanoprop-2-enamides and related compounds affords new di-, tetra- and hexa-hydropyridin-2-one derivatives, the degree of unsaturation of the product ... -
Reactions of 2-Oxo-2H-1-benzopyran-3-carbonitrile
(1998)Synthetic reactions of2-oxo-2H -1-benzopyran-3-carbonitrile afford productswhich establish that partial or complete cleavage of the startingmaterial occurs in the course of reaction. -
Formation of polyheterocyclic systems by reaction of 2-imino-4-methyl-2H-1-benzopyran-3-carbonitrile with active methylene compounds
(1996)2-Imino-4-methyl-2H-1-benzopyran-3-carbonitrile undergoes [1,5] tautomerism in solution to 2-amino-4-methylidene-4H-1-benzopyran-3-carbonitrile. Reaction with one equivalent of compounds containing a reactive methylene ... -
Mono- and di-dentate tertiary phosphine and monodentate tertiary phosphite derivatives of [Ru4H(CO)12BH2]
(1995)The reaction of the butterfly cluster [Ru4H(CO)12BH2] with a range of tertiary phosphines and diphosphines and with a large excess of trimethyl phosphite have been explored. Twenty-two derivatives of the general types ... -
Thienyl directed polyaromatic C-C bond fusions: S-doped hexabenzocoronenes
(2011)With a view to combining the desirable electronic and photochemical properties of hexabenzocoronene (HBC) and the C?C bond forming capabilities of thiophenes, 1-(3-thienyl)- 2,3,4,5,6-penta(4- tert -butyl-phenyl)benzene ... -
A dinuclear extension to constrained heteroleptic Cu(I) systems
(2011)This article reports the synthesis and optical properties of three dinuclear, cationic copper complexes [Cu2(?-dppm)2(?-L)](NO3)2 (dppm diphenyldiphosphinomethane, L: LA 3,6-bis(2-pyridyl)-4,5-diphenyl-pyridazine, LB ... -
Supramolecular luminescent system based on 2-cyano-3(4-(diphenylamino)phenyl) acrylic acid: Chiral luminescent host for selective CH3CN sensor
(2011)New supramolecular luminescent host systems based on 2-cyano-3(4-(diphenylamino)phenyl) acrylic acid (CDPA), a triphenylamine based luminescent acid, and amines (propylamine (1), dimethylaminopyridine, DMAP (2) and ... -
Terpyridine-fused Polyaromatic Hydrocarbons generated via Cyclodehydrogenation and used as Ligands in Ru(II) Complexes
(2012)A series of novel fused 4?-substituted 2,2? : 6?,2??-terpyridine ligands and their ruthenium(II) complexes were prepared. The unusual 4?-substituents comprised 2,3,4,5-pentaphenylbenzene and its tert-butyl derivative (1 ...
