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51,095 Newest Publications about the topic synthesis
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Star mesogens — Synthesis and structural characterization using 1D and 2D solution NMR techniques and mesophase characterization
17-10-2013 | A. Shanavas, T. Narasimhaswamy, B.V.N. Phani Kumar, A. Sultan Nasar, Canadian Journal of Chemistry, 2013
Utilisant des approches divergentes, on a réalisé des synthèses de nouveaux mésogènes en forme étoilée à base d'acide trimésique et des portions centrales portant des chaînes latérales symétriques se terminant par des groupes alcoxy. Les portions centrales et les chaînes latérales sont liées ...
Promiscuity of a Modular Polyketide Synthase Towards Natural and Non-Natural Extender Units
15-05-2013 | Irina Koryakina; John McArthur; Matthew Draelos; Gavin John Williams, Organic & Biomolecular Chemistry, 2013
Combinatorial biosynthesis approaches that involve modular type I polyketide synthases (PKSs) are proven strategies for the synthesis of polyketides. In general however, such strategies are usually limited in scope and utility due to the restricted substrate specificity of polyketide ...
[3,3]Paracyclophanes as Planar Chiral Scaffolds for the Synthesis of New Phosphoric Acids
15-05-2013 | Jérémie Stemper; Kévin Isaac; Véronique Duret; Pascal Retailleau; Arnaud Voituriez; Jean-François Betzer; angela mar ..., Chemical Communication, 2013
Cyclic phosphoric acids displaying C2-symmetric planar chiral paracyclophane structures which include a 1,1’-ferrocendiyl unit, have been designed as a new class of chiral organocatalysts. Their synthesis, optical resolution, structural characterization as well as preliminary catalytic tests ...
Synthesis of some fluorescent benzimidazole derivatives using cobalt(II) hydroxide as high efficient catalyst - Spectral, physico-chemical studies and ESIPT process
15-05-2013 | Jayaraman Jayabharathi; Venugopal Thanikachalam; Karunamoorthy Jayamoorthy, Photochemical & Photobiological Sciences, 2013
Some fluorescent benzimidazole derivatives have been designed and synthesized using cobalt(II) hydroxide as high efficient catalyst. Synthesized compounds have been characterized by 1H, 13C-NMR and mass spectral analysis. The solvent effect on the absorption and fluorescence bands has been ...
DiGalactosyl-Glycero-Ether Lipid: synthetic approaches and evaluation as SK3 channel inhibitor.
15-05-2013 | Paul-Alain Jaffres; Charlotte Sevrain; Jean-Pierre Haelters; Hélène Couthon-Gourvès; Christophe Vandier, Organic & Biomolecular Chemistry, 2013
The recent discoveries of the involvement of SK3 channel in some cell motility mechanisms occurring in cancer disease have opened the way to the synthesis of inhibitors that could reduce metastasis formation. On the basis of our recent previous works showing that both lactose-glycero-ether ...
Novel 5-anilinoquinazoline-8-nitro derivatives as inhibitors of VEGFR-2 tyrosine kinase: synthesis, biological evaluation and molecular docking
15-05-2013 | Liang Xi; Jianqiang Zhang; Zhicheng Liu; Jihong Zhang; Ju-Fang Yan; Yi Jin; Jun Lin, Organic & Biomolecular Chemistry, 2013
Vascular endothelial growth factor receptor-2 (VEGFR-2) kinase inhibition is a well-established strategy to promptly tackle tumor growth by suppression of angiogenesis. We report herein a series of 5-anilinoquinazoline derivatives substituted by 1,3-disubstituted urea. All the newly ...
Palladium-Catalysed Aerobic Oxidative Heck-type Alkenylation of Csp3-H for Pyrrole Synthesis
15-05-2013 | Lingkui Meng; Kun Wu; Chao Liu; Aiwen Lei, Chemical Communication, 2013
The first palladium-catalysed aerobic oxidative intramolecular alkenylation of Csp3-H bond was described. The reaction conditions were mild and molecular oxygen was used as the terminal oxidant. Kinetic study showed that the Csp3-H metallation step was a slow step.
A Novel Tantalum-based Sol-gel Packed Microextraction Syringe for Highly Specific Enrichment of Phosphopeptides in MALDI-MS Applications
15-05-2013 | Ömür Çelikbıçak; Mehmet Atakay; Ülkü Güler; Bekir Salih, Analyst, 2013
A new tantalum-based sol-gel material was synthesized using a unique sol-gel synthesis pathway by PEG incorporation into the sol-gel structure without performing a calcination step. This improved its chemical and physical properties for the high capacity and selective enrichment of ...
Aryl 5-substitution of a phenyl-pyridine based ligand as a viable way to influence the opto-electronic properties of bis-cyclometalated Ir(III) heteroleptic complexes
15-05-2013 | Roberto Grisorio; Gian Paolo Suranna; Piero Mastrorilli; Marco Mazzeo; Silvia Colella; Sonia Carallo; Giuseppe Gigli, Dalton Transactions, 2013
This manuscript reports on the synthesis, the photophysical study and the electroluminescent properties of a series of heteroleptic cyclometalated iridium(iii) complexes based on 2,5-diaryl-pyridines as C^N cyclometalating ligands and acetylacetonate as ancillary ligand. The complexes were ...
Synthesis, structures and magnetic properties of a family of nitrate-bridged octanuclear [Na2Ln6] (Ln= Dy, Tb, Gd, Sm) complexes
15-05-2013 | Shixiong She; Yanmei Chen; Yanyuan Cao; Jian Wu; Wei Liu; Yahong Li, Dalton Transactions, 2013
A new family of octanuclear lanthanide compounds, [Na2Ln6L8(C6H4NH2COO)2(C2H5OH)2(H2O)4(NO3)]∙NO3∙C2H5OH∙nH2O [H2L = 2-{[(2-hydroxy-3-methoxyphenyl)methylidene]amino}benzoic acid; Ln = Dy (1) (n = 15); Tb (2) , Gd (3) (n = 14); Sm (4) (n = 16)], has been prepared under solvothermal ...
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