Academic literature on the topic 'Triphosgene'

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Journal articles on the topic "Triphosgene"

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Safaei-Ghomi, Javad, Abdolhamid Bamoniri, and Aboalfazl Abbaszadeh-Nooshabady. "A Convenient Procedure for the Preparation of Sulfonamidoureas Using Triphosgene." Zeitschrift für Naturforschung B 62, no. 5 (2007): 721–24. http://dx.doi.org/10.1515/znb-2007-0516.

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Abstract An efficient method for the preparation of sulfonamidourea using triphosgene in organic solvents is reported.Sulfonylhydrazides and acetylsulfanilylhydrazide were transformed into the corresponding intermediates using triphosgene in 1,4-dioxane/water or tetrahydrofuran as solvents.These intermediates were converted in situ into symmetrical and unsymmetrical sulfonamidoureas in high yields and shorter periods of time related to previous methods.
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Yuan, Yan-qin, Sheng-rong Guo, Hai-jun Gao, Yu-xin Gu, Zhe-fei Wang, and Yan Wang. "Triphosgene/Sodium Organosulfinate System: A General and Efficient Electrophilic Thiolation of Silylenol Ethers and Electron-Rich Heteroaromatics." Synlett 31, no. 18 (2020): 1838–42. http://dx.doi.org/10.1055/s-0040-1707299.

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AbstractAn efficient and practical approach to electrophilic thiolation was developed by using commercially available triphosgene as a reductant and the appropriate alkyl- or arylsulfinates, which were transformed in situ into electrophilic RSCl intermediates in the presence of triphosgene. This procedure represents a general and powerful approach for the synthesis of α-(trifluoromethyl)thio-substituted ketones and thiolated electron-rich heteroaromatic compounds.
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Villalpando, Andrés, Mirza A. Saputra, Thomas H. Tugwell, and Rendy Kartika. "Triphosgene–pyridine mediated stereoselective chlorination of acyclic aliphatic 1,3-diols." Chemical Communications 51, no. 81 (2015): 15075–78. http://dx.doi.org/10.1039/c5cc06365e.

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Rivero, I. A., R. Somanathan, and L. H. Hellberg. "OXIDATION OF ALCOHOLS USING TRIPHOSGENE." Organic Preparations and Procedures International 24, no. 3 (1992): 363–65. http://dx.doi.org/10.1080/00304949209355904.

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Cortez, R., I. A. Rivero, R. Somanathan, G. Aguirre, F. Ramirez, and E. Hong. "Synthesis of Quinazolinedione Using Triphosgene." Synthetic Communications 21, no. 2 (1991): 285–92. http://dx.doi.org/10.1080/00397919108020823.

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Eckert, Heiner, and Barbara Forster. "Triphosgene, a Crystalline Phosgene Substitute." Angewandte Chemie International Edition in English 26, no. 9 (1987): 894–95. http://dx.doi.org/10.1002/anie.198708941.

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Wei, Xiu-Zhi, Jianguo Liu, and Longlong Ma. "One-Pot Tandem Synthesis of Nitriles and Amides from Biomass Platform Compounds." Catalysis Research 2, no. 1 (2021): 1. http://dx.doi.org/10.21926/cr.2201004.

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In recent years, research on converting biomass platform compounds into high-value chemicals and pharmaceutical intermediates has garnered huge interest. Nitrile and amide groups are key structures in natural products and biologically active molecules. The direct conversion of biomass platform compounds into nitriles and amides will undoubtedly be an important guide for biomass utilization. In this paper, a facile and efficient triphosgene-assisted one-pot conversion for aldehydes and ketones into nitrile and amides is presented. Triphosgene is a phosgene alternative that contains both ester l
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Mifune, Yuto, Hiroyuki Nakamura, and Shinichiro Fuse. "A rapid and clean synthetic approach to cyclic peptides via micro-flow peptide chain elongation and photochemical cyclization: synthesis of a cyclic RGD peptide." Organic & Biomolecular Chemistry 14, no. 47 (2016): 11244–49. http://dx.doi.org/10.1039/c6ob02391f.

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Wang, Shao-Lin, Lin Zhong, and Qin-Hua Song. "A ratiometric fluorescent chemosensor for selective and visual detection of phosgene in solutions and in the gas phase." Chemical Communications 53, no. 9 (2017): 1530–33. http://dx.doi.org/10.1039/c6cc09361b.

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Liu, Jialei, Fuyang Huo, and Wenqing He. "Construction of a simple crosslinking system and its influence on the poling efficiency and oriental stability of organic electro-optic materials." RSC Advances 10, no. 11 (2020): 6482–90. http://dx.doi.org/10.1039/c9ra10813k.

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Dissertations / Theses on the topic "Triphosgene"

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Joshi, U. M. "Studies on diastereoselective C-C bond formation via thio-claisen rearrangement on push-pull ethylene systems incorporating an arene -chromium complex: part A - triphosgene mediated tandem desulfurization-transesterification of alkyl thionocarbamates." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2000. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2290.

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Book chapters on the topic "Triphosgene"

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Thern, Bernd, Joachim Rudolph, and Günther Jung. "Triphosgene as Peptide Coupling Reagent: Highly Efficient Total Synthesis of Cyclosporin O." In Peptides: The Wave of the Future. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0464-0_110.

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Subramanian, L. R. "By Dehydration with Triphosgene." In Three Carbon-Heteroatom Bonds: Nitriles, Isocyanides, and Derivatives. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-019-00055.

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"Bis-Trichloromethyl Carbonate (Triphosgene)." In Small-Scale Synthesis of Laboratory Reagents with Reaction Modeling. CRC Press, 2011. http://dx.doi.org/10.1201/b10611-18.

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Suginome, M., and Y. Ito. "With Bis(trichloromethyl) Carbonate (Triphosgene)." In Three Carbon-Heteroatom Bonds: Nitriles, Isocyanides, and Derivatives. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-019-00320.

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Sartori, G., and R. Maggi. "Reaction of Amines with Bis(trichloromethyl) Carbonate (Triphosgene)." In Four Carbon-Heteroatom Bonds. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-018-00848.

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Conference papers on the topic "Triphosgene"

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Дашкин, Ратмир Ринатович, Абакар Магомедович Багомедов, and Хусрав Хакимович Гафуров. "RESEARCH OF THE PROCESS FOR PRODUCING MDI IN SYNTHESIS WITH TRIPHOSGENE." In Высокие технологии и инновации в науке: сборник избранных статей Международной научной конференции (Санкт-Петербург, Май 2020). Crossref, 2020. http://dx.doi.org/10.37539/vt185.2020.59.47.007.

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Изоцианаты относятся к одним из наиболее востребованных продуктов химической промышленности, поскольку являются сырьем для производства полиуретанов. Изоцианаты привлекательные с точки зрения рынка, но их производство сопряжено с рядом проблем, связанных с тем, что полупродукты - это высокотоксичные и взрывоопасные вещества, в связи с чем обеспечение производственной безопасности требует значительных инвестиций. Isocyanates are one of the most popular products of the chemical industry, as they are raw materials for the production of polyurethanes. Isocyanates are attractive from a market point
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Kvinikadze, Sophiko, Davit Tsverava, Alexandre Vanishvili, Ramaz Katsarava, and Nikoloz Chikhradze. "SYNTHESIS AND CHARACTERIZATION OF AMINO ACID-BASED, ECO-FRIENDLY MATERIALS." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/6.1/s26.42.

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Environmental pollution from polymer waste is one of the severe ecological problems. As of today, each day, approximately eight million pieces of plastic waste reach the ocean, where they are transformed into microplastics (small particles). Organisms in the sea are eating microplastics. The harmful effects of garbage ultimately affect humans. Due to the magnitude of the problem, the demand for biodegradable, eco-friendly materials, which will decompose after the operational period and will not pollute the environment, has increased in recent years. The latter contribute significantly to the s
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