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Готові списки джерел за темами / Hydrolytic oxidation of organosilanes

Добірка наукової літератури з теми "Hydrolytic oxidation of organosilanes"

Автор: Grafiati

Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Hydrolytic oxidation of organosilanes"

1

Teo, Alan Kay Liang, and Wai Yip Fan. "Catalytic hydrogen evolution from hydrolytic oxidation of organosilanes with silver nitrate catalyst." RSC Adv. 4, no. 71 (2014): 37645–48. http://dx.doi.org/10.1039/c4ra05669h.

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2

Liang Teo, Alan Kay, and Wai Yip Fan. "A novel iron complex for highly efficient catalytic hydrogen generation from the hydrolysis of organosilanes." Chem. Commun. 50, no. 54 (2014): 7191–94. http://dx.doi.org/10.1039/c4cc02852j.

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3

Ison, Elon A., Rex A. Corbin, and Mahdi M. Abu-Omar. "Hydrogen Production from Hydrolytic Oxidation of Organosilanes Using a Cationic Oxorhenium Catalyst." Journal of the American Chemical Society 127, no. 34 (August 2005): 11938–39. http://dx.doi.org/10.1021/ja053860u.

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4

Shankar, Ravi, Bhawana Jangir, and Asmita Sharma. "Palladium nanoparticles anchored on polymer vesicles as Pickering interfacial catalysts for hydrolytic oxidation of organosilanes." New Journal of Chemistry 41, no. 16 (2017): 8289–96. http://dx.doi.org/10.1039/c7nj01314k.

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The self-assembly of functional polymer vesicles embedded with PdNPs at water–chloroform interfaces provides a novel catalytic route for the synthesis of poly(hydrosiloxane)s, H₂RSi[OSiRH]_nOSiRH₂.

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5

Lee, Myunghee, Sangwon Ko, and Sukbok Chang. "Highly Selective and Practical Hydrolytic Oxidation of Organosilanes to Silanols Catalyzed by a Ruthenium Complex." Journal of the American Chemical Society 122, no. 48 (December 2000): 12011–12. http://dx.doi.org/10.1021/ja003079g.

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6

Lee, Myunghee, Sangwon Ko, and Sukbok Chang. "ChemInform Abstract: Highly Selective and Practical Hydrolytic Oxidation of Organosilanes to Silanols Catalyzed by a Ruthenium Complex." ChemInform 32, no. 16 (April 17, 2001): no. http://dx.doi.org/10.1002/chin.200116168.

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7

Shankar, Ravi, Bhawana Jangir, and Asmita Sharma. "A novel synthetic approach to poly(hydrosiloxane)s via hydrolytic oxidation of primary organosilanes with a AuNPs-stabilized Pickering interfacial catalyst." RSC Advances 7, no. 1 (2017): 344–51. http://dx.doi.org/10.1039/c6ra25557d.

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8

Chen, Xi-Huai, Yuan Deng, Kezhi Jiang, Guo-Qiao Lai, Yong Ni, Ke-Fang Yang, Jian-Xiong Jiang, and Li-Wen Xu. "Neighboring Acetal-Assisted Brønsted-Acid-Catalyzed Si-H Bond Activation: Divergent Synthesis of Functional Siloxanes through Silylation and Hydrolytic Oxidation of Organosilanes." European Journal of Organic Chemistry 2011, no. 9 (February 11, 2011): 1736–42. http://dx.doi.org/10.1002/ejoc.201001532.

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9

Chen, Xi-Huai, Yuan Deng, Kezhi Jiang, Guo-Qiao Lai, Yong Ni, Ke-Fang Yang, Jian-Xiong Jiang, and Li-Wen Wu. "ChemInform Abstract: Neighboring Acetal-Assisted Broensted-Acid-Catalyzed Si-H Bond Activation: Divergent Synthesis of Functional Siloxanes Through Silylation and Hydrolytic Oxidation of Organosilanes." ChemInform 42, no. 28 (June 16, 2011): no. http://dx.doi.org/10.1002/chin.201128180.

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10

Lee, Ting Yan, Li Dang, Zhongyuan Zhou, Chi Hung Yeung, Zhenyang Lin та Chak Po Lau. "Nonclassical Ruthenium Silyl Dihydride Complexes TpRu(PPh3)(η3-HSiR3H) [Tp = Hydridotris(pyrazolyl)borate]: Catalytic Hydrolytic Oxidation of Organosilanes to Silanols with TpRu(PPh3)(η3-HSiR3H)". European Journal of Inorganic Chemistry 2010, № 36 (9 листопада 2010): 5675–84. http://dx.doi.org/10.1002/ejic.201000951.

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Більше джерел

Дисертації з теми "Hydrolytic oxidation of organosilanes"

1

Jangir, Bhawana. "Noble metal nanoparticles as pickering interfacial catalyst for hydrolytic oxidation of organosilanes." Thesis, 2017. http://localhost:8080/iit/handle/2074/7510.

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2

Sharma, Asmita. "Studies on hydrolytic oxidation of organosilanes with gold nanoparticle-basedpickring catalysts-synthesis and reactivity of 1,1,3,3-tetraorganodisiloxanes." Thesis, 2018. http://localhost:8080/iit/handle/2074/7726.

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Частини книг з теми "Hydrolytic oxidation of organosilanes"

1

Liu, Lin, Zihui Lu, Anchao Sun, Xuren Zhou, and Tianyu Qin. "Hydrolytic Acidification—Contact Oxidation—MBR—RO Treatment and Reuse of Glass-Fiber Wastewater." In 2023 the 7th International Conference on Energy and Environmental Science, 13–28. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-32068-2_2.

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2

Chauhan, Bhanu P. S., Alok Sarkar, and Moni Chauhan. "Silicone Stabilized Nanoparticles as Hybrid Phase Catalysts for Selective Hydrolytic Oxidation of Hydrosilanes." In New and Future Developments in Catalysis, 375–400. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-444-53874-1.00017-2.

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3

Sun, Y. "Hydrolytic Acidification-Two Stage EGSB-A/O Combined Process for Pesticide Wastewater Treatment." In Advances in Wastewater Treatment II, 168–81. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901397-6.

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The wastewater produced by a chemical enterprise in Ningxia has the characteristics of high COD, high salt content, and high ammoniacal nitrogen. The biodegradability of the wastewater is poor due to presence of higher concentration of pollutant. The scale of first stage of treatment was 400m3/d. The wastewater of different characteristic was collected and treated separately. The combined process of "micro electrolysis + Fenton oxidation + coagulation precipitation + evaporation crystallization" was used to pretreat the wastewater containing high salt and high COD. The main process was "hydrolytic acidification + two-stage Expanded Granular Sludge Bed (EGSB) + two-stage advance Fenton oxidation (A/O)". The final concentrations of effluent COD, NH3-N and TDS are 376 mg/L, 34.74 mg/L, and 442 mg/L, and the removal rates are 99.9%, 81.3%, and 99.9%, respectively. The environmental, engineering and economical (3E) practices showed that the combined process has stable operation, strong impact resistance, and high reduction of COD in the effluent.

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4

Bozhko, Nataliia, and Vasyl Tischenko. "EFFECT OF PLANT EXTRACTS RICH IN POLYPHENOLS ON LIPID OXIDATION IN SMOKED SAUSAGES." In The scientific paradigm in the context of technological development and social change. Publishing House “Baltija Publishing”, 2023. http://dx.doi.org/10.30525/978-9934-26-297-5-20.

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Meat products are subject to degradation processes. Among them, the most important after microbial destruction are oxidative processes that affect lipids, pigments, proteins and vitamins. Lipid oxidation is a major non-microbial cause of deterioration in meat and meat products. The purpose of the study is a theoretical and experimental study of the content of bioflavonoids (phenolic substances) in berry extracts and their use in systems of biological origin to inhibit oxidative processes during storage. Methodology of the study is based on theoretical research of sources for the concentration of biologically active substances, including secondary metabolites of plants (bioflavonoid complex), in berries and on experimental studies of the dynamics of oxidative processes in food products with a high content of lipids according to indicators such as acid value, peroxide value, thiobarbiturate value using titrometric and colorimetric methods of analysis. Results. The work theoretically analyzes information on the high content of phenolic substances in black chokeberry (Aronia melanocarpa) and black currant (Ribes nigrum L.), which determines their high antioxidant properties and proves the prospect of using them as natural antioxidant additives in meat and meat technology meat products. The study experimentally proved the high antioxidant activity of black chokeberry and black currant extracts in smoked sausage technology. With the addition of black rowan and black currant extracts, inhibition of peroxidation is observed already after the first 5 days of storage. It was found that the addition of black chokeberry extract in the amount of 0.2-0.5% to the mass of minced meat significantly slows down the hydrolytic oxidation of lipids in the finished product, effectively suppresses the peroxidation of fat and stabilize the formation of secondary products of oxidation during the storage of smoked sausages with a high fat content. A microbiological safety study of experimental sausages during storage was conducted. Practical implications. Extracts of black chokeberry and black currant can be successfully used in the production technology of smoked meat and meat-containing sausages of a multicomponent composition for inhibition of lipid oxidation during the storage and preventing of spoilage of products. Value/originality. The effectiveness of this method is improving of smoked sausage quality with natural antioxidants such as black chokeberry (Aronia melanocarpa) and black currant (Ribes nigrum L.) extracts due to high content of phenolic compounds, which replace potentially harmful synthetic antioxidants.

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5

Taber, Douglass. "Enantioselective Assembly of Oxygenated Stereogenic Centers." In Organic Synthesis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199764549.003.0032.

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Reaction with an enantiomerically-pure epoxide is an efﬁcient way to construct a molecule incorporating an enantiomerically-pure oxygenated stereogenic center. The Jacobsen hydrolytic resolution has made such enantiomerically-pure epoxides readily available from the corresponding racemates. Christopher Jones and Marcus Weck of the Georgia Institute of Technology have now (J. Am. Chem. Soc. 2007, 129, 1105) developed an oligomeric salen complex that effects the enantioselective hydrolysis at remarkably low catalyst loading. Any such approach depends on monitoring the progress of the hydrolysis, usually by chiral GC or HPLC. In a complementary approach, we (J. Org. Chem. 2007, 72, 431) have found that on exposure to NBS and the inexpensive mandelic acid 2, a terminal alkene such as 1 was converted into the two bromomandelates 3 and 4. These were readily separated by column chromatography. Individually, 3 and 4 can each be carried on the same enantiomer of the epoxide 5. As 3 and 4 are directly enantiomerically pure, epoxide 5 of high ee can be prepared reliably without intermediate monitoring by chiral GC or HPLC. Another way to incorporate an enantiomerically-pure oxygenated stereogenic center into a molecule is the enantioface-selective addition of hydride to a ketone such as 6. Alain Burgos and his team at PPG-SIPSY in France have described (Tetrahedron Lett. 2007, 48, 2123) a NaBH4 -based protocol for taking the Itsuno-Corey reduction to industrial scale. In the past, aldehydes have been efficiently α-oxygenated using two-electron chemistry. Mukund P. Sibi of North Dakota State University has recently (J. Am. Chem. Soc. 2007, 129, 4124) described a novel one-electron alternative. The organocatalyst 10 formed an imine with the aldehyde. One-electron oxidation led to an α-radical, which was trapped by the stable free radical TEMPO to give, after hydrolysis, the α-oxygenated aldehyde 11. High ee oxygenated secondary centers can also be prepared by homologation of aldehydes. Optimization of the enantioselective addition of the inexpensive acetylene surrogate 13 was recently reported (Chem. Commun. 2007, 948) by Masakatsu Shibasaki of the University of Tokyo. Note that the free alcohol of 13 does not need to be protected.

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Тези доповідей конференцій з теми "Hydrolytic oxidation of organosilanes"

1

Shaafaey, Mamoon, Amir Bahrololoumi, Sharif Alazhary, Hamid Mohammadi, and Roozbeh Dargazany. "Experimental Characterization of Hygrothermal Aging: Competition Between Thermo-Oxidation and Hydrolysis Phenomena." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-69891.

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Abstract In this work, we have presented a comparison between effects of accelerated thermo-oxidative, hydrolytic and hygrothermal aging on the mechanical and chemical properties of a polyurethane based (PUB) adhesive. The adhesive is a flexible adhesive which is extensively used in automobile industry as a glass sealant. During service life it gets exposed to the hygrothermal environment and the integrity of matrix interface is most vulnerable. This study focuses on weighing and comparing effects of different aging environments on material behavior; and it shows that hygrothermal aging environment results as a competition between two sub-aging phenomena i.e., thermo-oxidation and hydrolytic aging. Samples were exposed to 0%RH, 80%RH and submerged condition in distilled water. Uni-axial tensile tests, and cross-link density analysis by swelling test were carried out on as-received and aged samples. The aging process was conducted at three different temperatures (60°C, 80°C and 95°C) and for four different exposure durations of 1, 10, 30, and 90 days. This work confirms that the effect of hygrothermal aging is a result of competition between thermo-oxidation and hydrolytic aging environments. The total mechanical and environmental damage incurred by specimens is a collaborative effect of all exposure environments involved i.e., aging time, temperature, oxygen, water and humidity. The results are in agreement with the chemical test outcomes as well.

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2

HAN, Biao, Chun-li JIANG, Wei ZHAO, Wei-wei ZHANG, and Jun-he HE. "Papermaking wastewater treatment by hydrolytic-aerobic biological contact oxidation process—analysis of an example." In The 2015 International Conference on Materials Engineering and Environmental Science (MEES2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759984_0083.

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3

Shaafaey, Mamoon, Amir Bahrololoumi, and Roozbeh Dargazany. "Effect of Dual Environment Aging on Flexible Polyurethane Based Adhesive." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95221.

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Abstract Environmental degradation of adhesives naturally increases with the intensity of the ambient weathering agents involved. During service life, these materials are never subjected to a constant environmental loading. Real-time applications expose the material to multiple weather conditions, ranging from dry to humid or fully wet conditions. While some understanding exists about aging environments in isolation, we intend to investigate the effect of multiple environments on the constitutive behavior of the materials in question. The extent of damage can be accessed by analyzing the changes in constitutive behavior and toughness of aged material. Therefore, this aging experiment was designed around two-way aging regimes involving combinations of thermo-oxidation, hydrolytic and hygrothermal aging environments. We selected a polyurethane based flexible adhesive which is commonly used in the automotive industry as a glass sealant. The aged specimens were subjected to uniaxial tensile tests, and variation in material toughness and constitutive behavior was analyzed to ascertain the mechanics involved in the case of each environmental exposure. We outlined how different environments affect the material in isolation and how they interact with other weathering conditions. This study will help better understand and model the damage mechanics involved in exposure to multiple environmental conditions.

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