Alsabeh, Pamela G.; Lundgren, Rylan J.; McDonald, Robert; Johansson Seechurn, Carin C. C.; Colacot, Thomas J.; Stradiotto, Mark published an article in 2013, the title of the article was An Examination of the Palladium/Mor-DalPhos Catalyst System in the Context of Selective Ammonia Monoarylation at Room Temperature.Application In Synthesis of 4-Chloro-2-fluorotoluene And the article contains the following content:
An examination of the [{Pd(cinnamyl)Cl}2]/Mor-DalPhos (Mor-DalPhos=di(1-adamantyl)-2-morpholinophenylphosphine) catalyst system in Buchwald-Hartwig aminations employing ammonia was conducted to better understand the catalyst formation process and to guide the development of precatalysts for otherwise challenging room-temperature ammonia monoarylations. The combination of [{Pd(cinnamyl)Cl}2] and Mor-DalPhos afforded [(κ2-P,N-Mor-DalPhos)Pd(η1-cinnamyl)Cl] (2), which, in the presence of a base and chlorobenzene, generated [(κ2-P,N-Mor-DalPhos)Pd(Ph)Cl] (1 a). Halide abstraction from 1 a afforded [(κ3-P,N,O-Mor-DalPhos)Pd(Ph)]OTf (5), bringing to light a potential stabilizing interaction that is offered by Mor-DalPhos. An examination of [(κ2-P,N-Mor-DalPhos)Pd(aryl)Cl] and related precatalysts for the coupling of ammonia and chlorobenzene at room temperature established the suitability of 1 a in such challenging applications. The scope of reactivity for the use of 1 a (5 mol %) encompassed a range of (hetero)aryl (pseudo)halides (X=Cl, Br, I, OTs) with diverse substituents (alkyl, aryl, ether, thioether, ketone, amine, fluoro, trifluoromethyl, and nitrile), including chemoselective arylations. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).Application In Synthesis of 4-Chloro-2-fluorotoluene
The Article related to palladium mor dalphos catalyst ammonia monoarylation room temperature, Benzene, Its Derivatives, and Condensed Benzenoid Compounds: Amines, Amine Oxides, Imines, and Quaternary Ammonium Compounds and other aspects.Application In Synthesis of 4-Chloro-2-fluorotoluene
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