Добірка наукової літератури з теми "Catalysis; Organotin compounds"

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Статті в журналах з теми "Catalysis; Organotin compounds"

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Storozhenko, P. A., K. D. Magdeev, A. A. Grachev, N. I. Kirilina, and V. I. Shiryaev. "Organotin Compounds in Industrial Catalysis. II. Polyurethanes Formation Processes." Kataliz v promyshlennosti 20, no. 3 (May 28, 2020): 203–15. http://dx.doi.org/10.18412/1816-0387-2020-3-203-215.

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Анотація:
This is the second part of a series of reviews on the application of organotin compounds as the catalysts for some important industrial processes. This review considers the application of organotin compounds in the processes of polyurethanes formation.
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Storozhenko, P. A., A. V. Veselov, A. A. Grachev, N. I. Kirilina, and V. I. Shiryaev. "Organotin Compounds in Industrial Catalysis. I. (Re)esterification Processes." Kataliz v promyshlennosti 20, no. 3 (May 28, 2020): 190–202. http://dx.doi.org/10.18412/1816-0387-2020-3-190-202.

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Анотація:
This is the first part of a series of reviews on the application of organotin compounds as the catalysts for some important industrial processes, such as (re)esterification and production of polyurethanes, and also as the catalysts for cold vulcanization of silicones and other practically important processes. The first review considers the application of organotin compounds in (re)esterification processes.
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Storozhenko, P. A., A. A. Grachev, K. D. Magdeev, and V. I. Shiryaev. "Organotin compounds in industrial catalysis: III. Vulcanization of blocked isocyanates and silicones." Kataliz v promyshlennosti 20, no. 6 (November 24, 2020): 413–25. http://dx.doi.org/10.18412/1816-0387-2020-6-413-425.

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Анотація:
This is the third part of a series of reviews on the application of organotin compounds as the catalysts for some important industrial processes, such as (re)esterification and production of polyurethanes. The third review considers the application of organotin compounds as the catalysts for vulcanization of blocked isocyanates and silicones.
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Plasseraud, Laurent. "Organotin(IV) Complexes Containing Sn–O–Se Moieties: A Structural Inventory." Synthesis 50, no. 18 (June 14, 2018): 3653–61. http://dx.doi.org/10.1055/s-0037-1610164.

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This review focuses on organotin compounds exhibiting Sn–O–Se moieties, the molecular structures of which have been previously resolved by single-crystal X-ray diffraction analysis. Three distinct classes of compounds have been identified. Thus, the various modes of coordination of selenite, selenate and organoseleninate anions with tin atoms of organotin(IV) fragments are illustrated and detailed.1 Introduction2 Organotin(IV) Selenite Complexes3 Organotin(IV) Selenate Complexes4 Organotin(IV) Organoseleninate Complexes5 Summary
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Wu, Yi-Bo, Bo-Wen Li, Fu-Xiang Li, Jian-Wei Xue, and Zhi-Ping Lv. "Synthesis and characteristics of organotin-based catalysts for acetylene hydrochlorination." Canadian Journal of Chemistry 96, no. 5 (May 2018): 447–52. http://dx.doi.org/10.1139/cjc-2017-0612.

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Organotin-based catalysts prepared by a facile and green synthesis route were used in the acetylene hydrochlorination reaction. In detail, organotin-based catalysts were directly synthesized by supporting both organotin and nitrogen compounds on a coal-based columnar activated carbon (AC) using both incipient wetness impregnation and calcination methods. Interestingly, upon addition of nitrogen compounds, the resultant (SnCl4 + C16H34Cl2Sn)/AC catalysts showed higher activity and stability when compared the its (SnCl4 + C16H34Cl2Sn + C2N4H4)/AC counterpart at 200 °C and a gas hourly space velocity (GHSV, C2H2 based) of 30 h−1. According to the results, organotin was demonstrated to be the active site, whereas the incorporation of nitrogen allowed partial mitigation of the loss of active components.
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Pichler, Johann, Philipp Müller, Ana Torvisco, and Frank Uhlig. "Novel diaminopropyl substituted organotin compounds." Canadian Journal of Chemistry 96, no. 4 (April 2018): 411–18. http://dx.doi.org/10.1139/cjc-2017-0713.

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A novel synthetic pathway involving the desilylation of a tin trimethylsilyl species (Ph2Sn(SiMe3)2) towards nonprotected di(3-aminopropyl)tin dichloride ((H2N(CH2)3)2SnCl2) is described. Di(3-aminopropyl)tin dichloride is then converted to the respective dicarboxylates species (H2N(CH2)3)2Sn(OCOR)2 containing carboxylic acids of different lengths (R = –CH3, –(CH2)10CH3). Depending on the nature of R, discrete packing effects are observed in the solid state of di(3-aminopropyl)tin dicarboxylate derivatives. All the synthesized substances were characterized by 1H, 13C, and 119Sn nuclear magnetic resonance data and also single crystal X-ray analysis. These compounds are a promising class of substances for biological, pharmaceutical, and technical applications.
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Siwacha, Priyanka, Surbhi Soni, Harish Kumar Sharmaa, and Manoj Kumara. "Synthesis, Characterization and Biological Studies of Some Organotin Compounds: (A-Review)." Oriental Journal Of Chemistry 36, no. 05 (October 25, 2020): 871–78. http://dx.doi.org/10.13005/ojc/360511.

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Significant attention has been given to organotin (IV) amino acids compounds in recent years. Organometallic compounds are better known for their potentiality to stabilize peculiar stereochemistry of their complexes and application in agriculture, catalysis and as single source precursors. Due to the better stability and diverse molecular structures the complexes own a wide range of biological activities. These individual properties create an alliance of action in the hybrid complex. In this review, we discuss the chemistry of organotin (IV) complexes and their different aspects in various fields. The aim of the present review is to evaluate the synthesis, characterization and biological activities of organotin compounds.
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Lucas, Christine, Catherine C. Santini, Martina Prinz, Marie-Anne Cordonnier, Jean-Marie Basset, Marie-Françoise Connil, and Bernard Jousseaume. "New optically active organotin compounds for heterogeneous bimetallic catalysis." Journal of Organometallic Chemistry 520, no. 1-2 (August 1996): 101–6. http://dx.doi.org/10.1016/0022-328x(96)06270-5.

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Adeyemi, Jerry, and Damian Onwudiwe. "Organotin(IV) Dithiocarbamate Complexes: Chemistry and Biological Activity." Molecules 23, no. 10 (October 9, 2018): 2571. http://dx.doi.org/10.3390/molecules23102571.

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Анотація:
Significant attention has been given to organotin(IV) dithiocabamate compounds in recent times. This is due to their ability to stabilize specific stereochemistry in their complexes, and their diverse application in agriculture, biology, catalysis and as single source precursors for tin sulfide nanoparticles. These complexes have good coordination chemistry, stability and diverse molecular structures which, thus, prompt their wide range of biological activities. Their unique stereo-electronic properties underline their relevance in the area of medicinal chemistry. Organotin(IV) dithiocabamate compounds owe their functionalities and usefulness to the individual properties of the organotin(IV) and the dithiocarbamate moieties present within the molecule. These individual properties create a synergy of action in the hybrid complex, prompting an enhanced biological activity. In this review, we discuss the chemistry of organotin(IV) dithiocarbamate complexes that accounts for their relevance in biology and medicine.
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Aue, Walter A., Bernard J. Flinn, Christopher G. Flinn, Veluppillai Paramasigamani, and Kathleen A. Russell. "Transformation and transmission of organotin compounds inside a gas chromatograph." Canadian Journal of Chemistry 67, no. 3 (March 1, 1989): 402–10. http://dx.doi.org/10.1139/v89-063.

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Анотація:
A wide variety of mono-, di-, and tri-substituted tin compounds are transformed to, and transmitted as, chlorides, bromides, or iodides on injection into a gas chromatographic system doped with HCl, HBr, or HI, respectively. This transformation occurs directly from some thirty-odd analytes such as organotin oxides, hydroxides, organic esters, and other halides including fluorides. Three germanium compounds appear to behave similarly. A conventional, packed-column gas chromatographic set-up with flame photometric or flame ionization detector can tolerate the necessary acid doping. Compounds such as bis(tributyltin) oxide will elute, as halides, in subpicogram amounts. If the dopant flow is turned off, the packed column can act as a hydrogen halide reservoir for several days of operation. The transformations of tributyltin species into the halide form are generally fast on the timescale of chromatographic processes, i.e. sharp peaks result from the use of mixed hydrogen halides, and the retention time of mixed-halide peaks can be adjusted by varying the dopant composition. Keywords: organotins, gas chromatography, derivatization, acid doping, photometric detection.
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Дисертації з теми "Catalysis; Organotin compounds"

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Clarke, David John. "Organotin compounds for catalysis." Title page, abstract and contents only, 2001. http://web4.library.adelaide.edu.au/theses/09SM/09smc5974.pdf.

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Smith, Suzanne Watson. "Synthesis of tin(IV) complexes for use as potential catalysts for polyurethane formation." Thesis, University of Warwick, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263805.

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Clarke, David John. "Organotin compounds for catalysis." Thesis, 2001. http://hdl.handle.net/2440/110423.

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"Conjugate Acid–Base Catalysts for Highly Enantioselective Organozinc Addition to Carbonyl Compounds." Thesis, 2007. http://hdl.handle.net/2237/10073.

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宮本, 隆史, and Takashi Miyamoto. "Conjugate Acid–Base Catalysts for Highly Enantioselective Organozinc Addition to Carbonyl Compounds." Thesis, 2007. http://hdl.handle.net/2237/10073.

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Частини книг з теми "Catalysis; Organotin compounds"

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Jousseaume, Bernard. "Latent Organotin Catalysts: Mechanism of Activation." In Main Group Elements and their Compounds, 197–203. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-52478-3_17.

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Jousseaume, B. "Trisubstituted Tetrahydrofurans from Allylsilanes and Aldehydes under ­Organotin Carboxylate Catalysis." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00317.

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Jousseaume, B. "α-Aryl Ketones from Organotin Enolates and Aromatic Halides under ­Palladium Catalysis." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00327.

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Jousseaume, B. "Synthesis of Substituted Pent-4-enones from Organotin Enolates and Allylic Acetates under Palladium Catalysis." In Compounds of Group 14 (Ge, Sn, Pb), 1. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-005-00328.

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