- Reactions of dialkyl phosphonates with hexacarbonylmolybdenum(0) and hexacarbonyltungsten(0). Structure of intermediates in the catalytic phosphorylation of alkenes
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Reactions of dialkyl phosphonates with catalytic precursors in the phosphorylation of alkenes and aryl halides, homoligand molybdenum(0) and tungsten(0) carbonyl complexes, were studied by quantum-chemical and spectroscopic (IR and NMR) methods. Schemes w
- Kuramshin,Nikolaev,Cherkasov
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- Addition of dialkyl hydrogen phosphites to alkenes in the presence of carbonyl complexes of chromium subgroup metals and iron
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Depending on the reactant ratio and order of their mixing, reactions of dialkyl hydrogen phosphite with alkenes in the presence of catalytic amounts of homoligand carbonyl complexes of iron or chromium subgroup metals yield phosphonates by two pathways: r
- Kuramshin,Kuramshina,Cherkasov
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- Mild and Selective Rhodium-Catalyzed Transfer Hydrogenation of Functionalized Arenes
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Diboron-mediated rhodium-catalyzed transfer hydrogenation of functionalized arenes is reported. In addition to good functional group tolerance, the reaction features operational simplicity and controllable chemoselectivity. The general applicability of this procedure is demonstrated by the selective hydrogenation of a range of arenes, including functionalized benzenes, biphenyls, and polyaromatics.
- Wang, Yuhan,Chang, Zhiqian,Hu, Yan,Lin, Xiao,Dou, Xiaowei
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supporting information
p. 1910 - 1914
(2021/03/08)
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- Probing the reactivity of H-phosphonate derivatives for the hydrophosphonylation of various alkenes and alkynes under free-radical conditions
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Hydrophosphonylation is an efficient process to create carbon-phosphorus bonds from unsaturated C-C bonds and to give rise to alkylphosphonate or vinylphosphonate derivatives. In this work, we report on the reactivity of H-phosphonate derivatives for the hydrophosphonylation of various alkenes and alkynes under photoinduced free-radical conditions. The reaction was carried out on activated, unactivated and/or disubstituted alkenes or alkynes with 2,2-dimethoxy-2-phenylacetophenone as a photoinitiator under UV irradiation.
- Geant, Pierre-Yves,Mohamed, Bemba Sidi,Périgaud, Christian,Peyrottes, Suzanne,Uttaro, Jean-Pierre,Mathé, Christophe
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p. 5318 - 5324
(2016/07/06)
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- Microwave catalyzed reactions of H-dimethylphosphonate with oxiranes
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Microwave catalyzed reactions of H-dimethylphosphonate with 1,2-epoxydecane, 5,6-epoxy-1-hexene, 1,2-epoxybutane and cyclohexene oxide have been found to cause oxirane ring opening, deoxygenation and hydrophosphorylation. 1,2-Epoxydecane gave three pairs
- Munavalli,Rohrbaugh,Berg,Longo,Durst
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p. 215 - 230
(2007/10/03)
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