Bibliographies thématiques / Multinuclear organotin

Littérature scientifique sur le sujet « Multinuclear organotin »

Auteur : Grafiati

Publié le 18 mai 2024

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Articles de revues sur le sujet "Multinuclear organotin"

Cherryman, Julian C., et Robin K. Harris. « New Multinuclear Experiments on Solid Organotin Fluorides ». Journal of Magnetic Resonance 128, n^o 1 (septembre 1997) : 21–29. http://dx.doi.org/10.1006/jmre.1997.1206.

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Rashid, Faisal, Noor Uddin, Saqib Ali, Ali Haider, Syed Ahmad Tirmizi, Paula L. Diaconescu et Jamshed Iqbal. « New triorganotin(iv) compounds with aromatic carboxylate ligands : synthesis and evaluation of the pro-apoptotic mechanism ». RSC Advances 11, n^o 8 (2021) : 4499–514. http://dx.doi.org/10.1039/d0ra06695h.

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Three new organotin(iv) carboxylate compounds were synthesized and structurally characterized by elemental analysis and FT-IR and multinuclear NMR (¹H, ¹³C, ¹¹⁹Sn) spectroscopy.

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Matela, Garima, et Robina Aman. « Organotin(IV) complexes of carboxylic acid derivatives ». Open Chemistry 10, n^o 1 (1 février 2012) : 1–15. http://dx.doi.org/10.2478/s11532-011-0107-6.

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AbstractA comprehensive review, >100 references, on organotin(IV) complexes of the carboxylic acid derivatives are presented with special reference to their methods of synthesis, spectroscopic and structural studies and their biological activities. The structures of these complexes are discussed on the basis of IR, multinuclear (1H-, 13C- and 119Sn-) NMR.

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Tagne Kuate, Alain C., Roger A. Lalancette et F. Jäkle. « Planar-chiral ferrocenylphosphine-borane complexes featuring agostic-type B–H⋯E (E = Hg, Sn) interactions ». Dalton Transactions 46, n^o 19 (2017) : 6253–64. http://dx.doi.org/10.1039/c6dt04791b.

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Ferrocenylphosphine-borane adducts with Lewis acidic organotin and organomercury substituents inortho-position show rare agostic-type B–H⋯E (E = Sn, Hg) interactions that have been studied by single crystal XRD, multinuclear solution NMR, and computational methods.

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Singh, Har Lal, et A. K. Varshney. « Synthetic, Structural, and Biochemical Studies of Organotin(IV) with Schiff Bases Having Nitrogen and Sulphur Donor Ligands ». Bioinorganic Chemistry and Applications 2006 (2006) : 1–7. http://dx.doi.org/10.1155/bca/2006/23245.

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Three bidentate Schiff bases having nitrogen and sulphur donor sequences were prepared by condensing S-benzyldithiocarbazate (NH2NHCS2CH2C6H5) with heterocyclic aldehydes. The reaction of diphenyltin dichloride with Schiff bases leads to the formation of a new series of organotin(IV) complexes. An attempt has been made to prove their structures on the basis of elemental analyses, conductance measurements, molecular weights determinations, UV, infrared, and multinuclear magnetic resonance (H1,C13, andS119n) spectral studies. Organotin(IV) complexes were five- and six-coordinate. Schiff bases and their corresponding organotin complexes have also been screened for their antibacterial and antifungal activities and found to be quite active in this respect.

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Shahid, Khadija, Saira Shahzadi et Saqib Ali. « Synthesis, coordination and biological aspects of organotin(IV) derivatives of 4-[(2,4-dinitrophenyl)amino)]-4-oxo-2-butenoic acid and 2-{[(2,4-dinitrophenyl)amino]carbonyl}benzoic acid ». Journal of the Serbian Chemical Society 74, n^o 2 (2009) : 141–54. http://dx.doi.org/10.2298/jsc0902141s.

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New series of organotin(IV) complexes of aniline derivatives, R2SnL2 and R3SnL [where R = Me, n-Bu, Ph, n-Oct] have been synthesized by the reaction of HL1 and HL2 with respective organotin halides or oxides. Experimental details for the preparation and characterization (including elemental analysis, IR and multinuclear NMR (1H-, 13C- and 119Sn-) spectra in CDCl3 and EI mass spectra of both series are provided. The binding sites of the ligands were identified by means of FTIR spectroscopic measurements. It was found that in all cases the organotin(IV) moiety reacts with the oxygen of COO- group to form new complexes. In the diorganotin complexes, the COO- group is coordinated to the organotin(IV) centres in a bidentate manner in the solid state. The 119Sn NMR data and the nJ(13C-119/117Sn) coupling constant support the tetrahedral coordination geometry of the organotin complexes in non-coordinating solvents. Biological activities (antibacterial, antifungal, cytotoxicity, antileishmanial and insecticidal) of these compounds are also reported.

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Said, Musa A., C. Hemavathi, S. Nagabrahmanandachari, K. C. Kumara Swamy, Damodara M. Poojary et A. Clearfield. « Syntheses and structures of new mono and multinuclear organotin phosphinates ». Proceedings / Indian Academy of Sciences 108, n^o 3 (juin 1996) : 298. http://dx.doi.org/10.1007/bf02870065.

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Sabiha Khanam, Sabiha Khanam, Khadija Shahid Khadija Shahid, Muhammad Sirajuddin Muhammad Sirajuddin et Saqib Ali and Hameed Ullah Saqib Ali and Hameed Ullah. « Synthesis, Spectral Characterization and Biological Evaluation of Organotin(IV) Complexes of Aniline Derivatives of Naturally Occurring Betulinic Acid ». Journal of the chemical society of pakistan 41, n^o 4 (2019) : 725. http://dx.doi.org/10.52568/000785/jcsp/41.04.2019.

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Betulinic acid (triterpene) has shown an immense potential towards the development of anticancer, antiviral, antimalarial, antifungal, antioxidant and antiprotozoal agents. Cis-platin (cytotoxic agent) has diverted attention of chemists towards organotin complexes with marked pharmacological activities. In present work aniline derivatives of Betulinic acid were synthesized followed by the synthesis of diorganotin and triorganotin metal complexes. These complexes were characterized by FT-IR and multinuclear NMR (1H and 13C) spectroscopy. The ligands and their organotin(IV) complexes were screened for antibacterial, antifungal and antioxidant activities. Compound L22SnMe2 was found with maximum antibacterial activity among the screened compounds. Compounds L12SnMe2 and L12SnPh2 were found with remarkable antifungal activity. Similarly L1, L12SnBu2, L2 and L22SnMe3 were remarked with good antioxidant activity.

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Shariatinia, Zahra, Ebadullah Asadi, Vahid Tavasolinasab et Khodayar Gholivand. « Nanoparticles of novel organotin(IV) complexes bearing phosphoric triamide ligands ». Beilstein Journal of Nanotechnology 4 (12 février 2013) : 94–102. http://dx.doi.org/10.3762/bjnano.4.11.

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Four novel organotin(IV) complexes containing phosphoric triamide ligands were synthesized and characterized by multinuclear (1H, 31P, 13C) NMR, infrared, ultraviolet and fluorescence spectroscopy as well as elemental analysis. The 1H NMR spectra of complexes 1–4 proved that the Sn atoms adopt octahedral configurations. The nanoparticles of the complexes were also prepared by ultrasonication, and their SEM micrographs indicated identical spherical morphologies with particles sizes about 20–25 nm. The fluorescence spectra exhibited blue shifts for the maximum wavelength of emission upon complexation.

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Hussain, Shabbir, Saqib Ali, Saira Shahzadi, Muhammad Nawaz Tahir, Muhammad Shahid, Khurram Shahzad Munawar et Syed Mustansar Abbas. « Synthesis, spectroscopy, single crystal XRD and biological studies of multinuclear organotin dicarboxylates ». Polyhedron 117 (octobre 2016) : 64–72. http://dx.doi.org/10.1016/j.poly.2016.05.045.

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Chapitres de livres sur le sujet "Multinuclear organotin"

Rafii, Esfandiar, Jean Claude Maire*, Martin Ngassoum, Robert Faure, et Louis Lena. « Application of organotin groups as markers in analysis of coal liquefaction products and petroleum fractions ». Dans Chemistry and Technology of Silicon and Tin, 38–52. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780198555803.003.0002.

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Abstract Aside from their industrial applications, organotin compounds have also been widely used as intermediates or reagents in organic synthesis. More recently, organotin groups have been used as markers for the structural elucidation of complex molecules with the aid of spectroscopic techniques. The possibility of using tri-n-butyltin compounds as markers is illustrated, with reference to multinuclear NMR spectroscopy, for the quantitative analysis of phenols in liquid fractions derived from coal, and of sulphur compounds in petroleum fractions.

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