| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Coles, Sj
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023β,β-directly linked porphyrin ringscitations
- 2023N=8 armchair graphene nanoribbonscitations
- 2022Unprecedented platinum(II) coordination compound of sterically hindered 3,3′-bis(NH-benzimidazol-2-yl)-2,2′-bipyridine ligand
- 2022Aryl, bi-functionalised imidazo[4,5-f]-1,10-phenanthroline ligands and their luminescent rhenium(I) complexescitations
- 2021Spectroscopic, structural and DFT studies of luminescent Pt(II) and Ag(I) complexes with an asymmetric 2,2'-bipyridine chelating ligandcitations
- 2021Insights into the structure-property relationship of pharmaceutical co-crystals: charge density and quantum chemical approachescitations
- 2020Oxidopolyborate chemistrycitations
- 2020Oxidopolyborate anions templated by transition-metal complex cations: Self-assembled syntheses and structural studies (XRD) of [Co(NH3)6]2[B4O5(OH)4]3·11H2O, [Ni(phen)3][B7O9(OH)5]·9.5H2O and [Zn(dac)2(H2O)2][B7O9(OH)5]·H2Ocitations
- 2019Syntheses, X-ray structures and characterisation of luminescent chromium(III) complexes incorporating 8-quinolinato ligandscitations
- 2019Synthesis, characterisation and electrochemistry of eight Fe coordination compounds containing substituted 2-(1-(4-R-phenyl-1H-1,2,3-triazol-4-yl)pyridine ligands, R = CH3, OCH3, COOH, F, Cl, CN, H and CF3citations
- 2019Highly efficient fullerene and non-fullerene based ternary organic solar cells incorporating a new tetrathiocin-cored semiconductorcitations
- 2018Synthesis, characterisation and electrochemistry of eight Fe coordination compounds containing substituted 2-(1-(4-R-phenyl-1H-1,2,3-triazol-4-yl)pyridine ligands, R = CH3, OCH3, COOH, F, Cl, CN, H and CF3citations
- 2018Two 1-D coordination polymers containing zinc(II) hexaborates: [Zn(en{B6O7(OH)6}]2H2O (en =1,2-diaminoethane) and [Zn(pn{B6O7(OH)6}]1.5H2O (pn = 1,2-diaminopropane)citations
- 2017Synthesis, XRD studies and NLO properties of [p-H2NC6H4CH2NH3][B5O6(OH)4]·1/2H2O and NLO properties of some related pentaborate(1−) saltscitations
- 2017Mechanosynthesis of coordination polymers based on dithiophosphato and dithiophosphonato NiII complexes and 1,4-di(3-pyridinyl)buta-1,3-diyne ligandcitations
- 2017Structural organization in the trimethylamine iodine monochloride complexcitations
- 2013A multinuclear solid state NMR, density functional theory and X-Ray diffraction study of hydrogen bonding in Group I hydrogen dibenzoatescitations
- 2013The competition between halogen bonds (Br???O) and C–H???O hydrogen bonds: the structure of the acetone–bromine complex revisitedcitations
- 2010Seven 3-methylidene-1H-indol-2(3H)-ones related to the multiple-receptor tyrosine kinase inhibitor sunitinibcitations
- 2010A chiral ferromagnetic molecular metalcitations
- 2008Synthesis, structure, and supramolecular architecture of benzonitrile and pyridine adducts of bis(pentafluorophenyl)zinc: pentafluorophenyl-aryl interactions versus homoaromatic pairingcitations
- 2006Synthesis and X-ray characterization of the organotriboroxinate salts [Me3NCH2CH2OH][Ph4B3O3] and [NEt3H][Ph3B3O3(OH)], and the X-ray structure of the triarylboroxine, (4-MeOC6H4)(3)B3O3citations
- 2006New pyridyl modified phosphines: Synthesis and late transition-metal coordination studiescitations
- 2006The formation and isolation of benzisothiazole rings from the reactions of oxime-thiophenolate ligandscitations
- 2005Intramolecular and intermolecular N-H···F-C hydrogen-bonding interactions in amine adducts of tris(pentafluorophenyl)borane and tris(pentafluorophenyl)alanecitations
- 2004Syntheses, spectroscopic and molecular quadratic nonlinear optical properties of dipolar ruthenium(II) complexes of the ligand 1,2-phenylenebis(dimethylarsine)citations
- 2004Mixed valence Mn(II)/Mn(III) [3 x 3] grid complexes: structural, electrochemical, spectroscopic, and magnetic propertiescitations
- 2003Synthesis and characterisation of a series of Group 7 metal 2,2,2,2-dicarbonylbis(triorganophosphine)-arachno-2-metallatetraboranes, M(CO)(2)L-2(B3H8) (M=Re, Mn); crystal and molecular structures of Re(CO)(2)(dppf)(B3H8) and Mn(CO)(2)(dppe)(B3H8)citations
- 2002Synthesis, crystal structure, and enhancement of the efficacy of metronidazole against Entamoeba histolytica by complexation with palladium(II), platinum(II), or copper(II)
Places of action
| Organizations | Location | People |
|---|
article
β,β-directly linked porphyrin rings
Abstract
<p>Cyclic porphyrin oligomers have been studied as models for photosynthetic light-harvesting antenna complexes and as potential receptors for supramolecular chemistry. Here, we report the synthesis of unprecedented β,β-directly linked cyclic zinc porphyrin oligomers, the trimer (CP3) and tetramer (CP4), by Yamamoto coupling of a 2,3-dibromoporphyrin precursor. Their three-dimensional structures were confirmed by nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry, and single-crystal X-ray diffraction analyses. The minimum-energy geometries of CP3 and CP4 have propeller and saddle shapes, respectively, as calculated using density functional theory. Their different geometries result in distinct photophysical and electrochemical properties. The smaller dihedral angles between the porphyrin units in CP3, compared with CP4, result in stronger π-conjugation, splitting the ultraviolet-vis absorption bands and shifting them to longer wavelengths. Analysis of the crystallographic bond lengths indicates that the central benzene ring of the CP3 is partially aromatic [harmonic oscillator model of aromaticity (HOMA) 0.52], whereas the central cyclooctatetraene ring of the CP4 is non-aromatic (HOMA -0.02). The saddle-shaped structure of CP4 makes it a ditopic receptor for fullerenes, with affinity constants of (1.1 ± 0.4) × 10<sup>5</sup>M<sup>-1</sup>for C<sub>70</sub>and (2.2 ± 0.1) × 10<sup>4</sup>M<sup>-1</sup>for C<sub>60</sub>, respectively, in toluene solution at 298 K. The formation of a 1:2 complex with C<sub>60</sub>is confirmed by NMR titration and single-crystal X-ray diffraction.</p>