Results 11 to 20 of about 24,493 (253)
Enantioselective Hydrogenations with Chiral Titanocenes
Molecules, 2005 In this review article chiral titanocenes and their application for the enantioselective hydrogenations of different unsaturated compounds are discussed, with a special emphasis on the kinetics and the practicality of the developed systems. The nature of
J. Khinast, A. Panarello, O. Vassylyev
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Inorganics, 2022 The one-pot efficient synthesis of novel functionalized organoselenium compound by bis-alkoxyselenenylation of alkenes with selenium dibromide and alcohols was developed.
Vladimir A. Potapov +6 more
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Molecules, 2021 The preparation of novel reagents 2-quinolinesulfenyl chloride and bromide based on available 2-mercaptoquinoline has been described. This approach opens up opportunities for the introduction of 2-quinolinesulfenyl chloride and bromide into organic ...
Vladimir A. Potapov +2 more
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Cobalt-catalyzed nucleophilic addition of the allylic C(sp3)–H bond of simple alkenes to ketones
Beilstein Journal of Organic Chemistry, 2018 We herein describe a cobalt/Xantphos-catalyzed regioselective addition of simple alkenes to acetophenone derivatives, affording branched homoallylic alcohols in high yields with perfect branch selectivities.
Tsuyoshi Mita +3 more
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Palladium-Catalyzed N-Alkenylation of N-Aryl Phosphoramidates with Alkenes
Molecules, 2023 Versatile and concise Pd-catalyzed oxidative N-alkenylation of N-aryl phosphoramidates with alkenes is described in this study, a reaction that is of great significance but surprisingly unexploited.
Yu-An Li, Ge Wu, Jia Li
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Chemistry Proceedings, 2022 The data obtained by the authors in the field of chemistry of substituted borolanes and 2,3-dihydro-1H-boroles are summarized. The authors developed a selective method for the synthesis of five-membered boracarbocycles via transmetalation of ...
Liliya I. Tulyabaeva +2 more
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Effect of polarity and steric on the rate addition of free radicals to Alkenes [PDF]
Kirkuk Journal of Science, 2009 In this investigation, the effective factors on the addition rate for hydroxy methyl and cynomethyl free radicals to some alkenes have been studied using quantum mechanics methods. Where in this study, physical properties like the electron density on the
Najla.J. Khalil, Mostafa.R. Aeyd
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Direct C–H trifluoromethylation of di- and trisubstituted alkenes by photoredox catalysis
Beilstein Journal of Organic Chemistry, 2014 Background: Trifluoromethylated alkene scaffolds are known as useful structural motifs in pharmaceuticals and agrochemicals as well as functional organic materials.
Ren Tomita +3 more
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Synthesis of Binary Ti-Si Mixed Oxides Nanoparticles with Rutile Structure as Selective Catalyst for Epoxidation of Alkenes [PDF]
Journal of Sciences, Islamic Republic of Iran, 2007 The nanoparticles of Ti-Si mixed oxides (NTSO) with Rutile structure were prepared by sol-gel method in a mixture of alcohol and water as solvent. The solid product was characterized by XRD, FTIR, SEM, TEM, UV, TGA and laser Raman spectroscopy.
F. Farzaneh
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Catalytic Enantioselective Addition of Organozirconium Reagents to Aldehydes
Molecules, 2018 A catalytic enantioselective addition reaction of alkylzirconium species to aromatic aldehydes is reported. The reaction, facilitated by a chiral nonracemic diol ligand complex with Ti(OiPr)4, proceeds under mild and convenient conditions, and no premade
Ricard Solà +5 more
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