42956-39-8Relevant articles and documents
(PCy3)2Cl2Ru = CHPh Catalyzed Kharasch additions. Application in a formal olefin carbonylation
Lee, Belinda T.,Schrader, Thomas O.,Martín-Matute, Belén,Kauffman, Christopher R.,Zhang, Peng,Snapper, Marc L.
, p. 7391 - 7396 (2004)
(PCy3)2Cl2RuCHPh-catalyzed Kharasch additions of trihaloalkanes across olefins provide polyhalogenated adducts, which upon hydrolysis furnish α,β-unsaturated ketones, aldehydes, or γ-hydroxybutenolides. This two-step process represents an overall acylation or carbonylation of an olefin.
Hydroalkylation of Aryl Alkenes with Organohalides Catalyzed by Molybdenum Oxido Based Lewis Pairs
Belaj, Ferdinand,Dupé, Antoine,Kloki?, Sumea,M?sch-Zanetti, Nadia C.,Milinkovi?, Angela,Neshchadin, Dmytro,Rodi?, Dado,Walg, Simon,Zwettler, Niklas
, (2020/07/06)
Three molybdenum(VI) dioxido complexes [MoO2(L)2] bearing Schiff base ligands were reacted with B(C6F5)3 to afford the corresponding adducts [MoO{OB(C6F5)3}(L)2], which were fully characterized. They exhibit Frustrated Lewis-Pairs reactivity when reacting with silanes. Especially, the [MoO{OB(C6F5)3}(L)2] complex with L=2,4-dimethyl-6-((phenylimino)methyl)phenol proved to be active as catalyst for the hydroalkylation of aryl alkenes with organohalides and for the Atom-Transfer Radical Addition (ATRA) of organohalides to aliphatic alkenes. A series of gem-dichloride and gem-dibromide compounds with potential for further derivatization were synthesized from simple alkenes and organohalides, like chloroform or bromoform, using low catalyst loading. (Figure presented.).
A half-sandwich 1,2-azaborolyl ruthenium complex: Synthesis, characterization, and evaluation of its catalytic activities
Liu, Zicheng,Xu, Junjie,Ruan, Wenqing,Fu, Chen,Zhang, Hui-Jun,Wen, Ting-Bin
supporting information, p. 11976 - 11980 (2013/09/02)
A half-sandwich 1,2-azaborolyl (Ab) ruthenium complex, (Ab-CCPh) RuCl(PPh3)2 (1), has been synthesized by treating RuCl2(PPh3)3 with lithium 1,2-azaborolide L-1, or by treating either RuCl2(PPh3)3 or RuHCl(PPh3)3 directly with 1,2-azaborole LH-1. It is evaluated as a suitable precatalyst in [2 + 2] cycloadditions of norbornene derivatives with DMAD and in atom transfer radical additions of halogenated compounds with olefins. The Royal Society of Chemistry.
Photoinitiated ambient temperature copper-catalyzed atom transfer radical addition (ATRA) and cyclization (ATRC) reactions in the presence of free-radical diazo initiator (AIBN)
Balili, Marielle Nicole C.,Pintauer, Tomislav
experimental part, p. 3060 - 3066 (2011/05/13)
The use of UV light in copper-catalyzed atom transfer radical addition (ATRA) and cyclization (ATRC) reactions of various (poly)halogenated compounds to highly active alkenes in the presence of AIBN is reported. Radicals generated from photodecomposition of AIBN efficiently regenerated the copper(i) complex at ambient temperature enabling ATRA of CCl4 and CBr4 with catalyst loadings as low as 0.05 mol-%. The desired monoadduct was obtained in lower yields in the ATRA of less active halogenated compounds, which was mostly due to incomplete alkene conversions. Ambient temperature ATRA of CCl 4 to various 1,6-dienes followed by sequential ATRC was also performed in the presence of UV light using [CuII(TPMA)Cl][Cl] complex and AIBN. High yields of the 5-exo-trig cyclic product were obtained for all dienes with preferential formation of the cis isomer. The Royal Society of Chemistry 2011.
