Ni-Catalyzed Reductive Cross-Coupling
Development and Mechanistic Studies of Ni-Catalyzed Asymmetric Reductive Cross-Coupling Reactions
... in Ni-catalyzed reductive cross-coupling focused on the use of electrochemical approaches using sacrificial metal anodes as the terminal ...of cross-electrophile couplings ...
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Development of Nickel-Catalyzed Asymmetric Reductive Cross-Coupling Reactions
... of Ni-mediated reductive homocoupling, there have been intensive efforts toward expanding this transformation to enable cross-selective ...first Ni-catalyzed reductive ...
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Synthesis of Enantioenriched Allylic Silanes via Nickel-Catalyzed Reductive Cross-Coupling
... asymmetric Ni-catalyzed reductive cross- coupling has been developed to prepare enantioenriched allylic ...enantioselective reductive alkenylation proceeds under mild conditions ...
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Development of Ni Catalyzed Asymmetric Reductive Cross Coupling Reactions
... doing Ni catalysis. At that time, I knew next to nothing about Ni, and was still learning the ropes about everything ...the Ni project has matured and developed I have had the opportunity to work ...
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Development of Ni-Catalyzed Asymmetric Reductive Cross-Coupling Reactions
... doing Ni catalysis. At that time, I knew next to nothing about Ni, and was still learning the ropes about everything ...the Ni project has matured and developed I have had the opportunity to work ...
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Nickel-Catalyzed Enantioselective Reductive Cross-Coupling Reactions
... Nickel- Catalyzed Cross Coupling of Acetals and Aryl ...in Reductive Cross-Coupling with Aryl and Heteroaryl ...H. Ni-Catalyzed Reductive Coupling of ...
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Development of Nickel Catalyzed Asymmetric Reductive Cross Coupling of Benzylic Electrophiles
... alternative to Breit’s enantiospecific Kumada–Corriu coupling for the synthesis of deoxypolypropionates. 85 Figure 1.30. Pd- and Rh-catalyzed desymmetrization with arylzinc reagents. Efforts by Rovis and ...
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Nickel-Catalyzed Asymmetric Reductive Cross-Coupling of a-Chloroesters with (Hetero)Aryl Iodides
... 1 The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical En- gineering, California Institute of Technology, Pasadena, California 91125, United States 2 ...
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Cross Coupling of sp3 Centers via Traditional and Reductive Methods
... Figure 2.7: Pd-Catalyzed Diyne Formation from Alkynylmetallic Species and α-Haloesters In addition to the obstacle created by the ease of alkynylmetallic transmetalation to Pd, another limitaiton that abounds in ...
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Iron- and Cobalt-Catalyzed Hydrogenation and Cross-Coupling Reactions
... basic, reductive, or oxidative conditions or with the aid of transition metal ...iron-catalyzed cross- coupling and reduction protocols which exceed the scope of conventional palladium ...
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New Cross-Coupling and Reductive Cyclization Protocols for the Synthesis of Certain Aspidosperma Alkaloids
... ethoxycyclohexenone (65). 4c,d A pivotal feature of the reaction sequence was the use of a Pd[0]-‐catalyzed Ullmann cross-‐coupling reaction. Details are presented in Scheme 1-‐10. Thus, in the ...
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Graphene as a Solid-state Ligand for Palladium Catalyzed Cross-coupling Reactions
... The activation energy of Pdn clusters bound to double atom vacancy sites in the graphene sheet was calculated to understand the effect of the strong Pd-support interaction on the electronic property of the metal ...
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Greener and renewable methods for Pd-catalyzed cross-coupling and alkoxycarbonylation reactions
... Copper(I) co-catalyzed Sonogashira reactions are commonly agreed to have three fundamental steps, 1) oxidative addition of the aryl halide to Pd(0), 2) transmetallation of the acetylide moiety from Cu(I) to the Pd ...
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Synthesis of fused heterocycles by sequential palladium catalyzed cross-coupling reactions
... carboline derivatives in moderate yields by another Pd-catalyzed intramolecular arylation of N-aryl-3-aminopyridine. 114 Recently, Kundu et al. synthesized δ-carbolines in good yields by an efficient one-pot ...
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Synthesis of new calcineurin inhibitors via Pd-catalyzed cross-coupling reactions
... Pd-catalyzed cross-coupling 1.3.1.1 Cross-coupling reactions with organometallic reagents Palladium-catalyzed cross-coupling reactions of organohalides ...
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Nickel-Catalyzed Reductive Coupling of Unactivated Alkyl Bromides and Aliphatic Aldehydes
... Net reductive couplings using organohalide feedstocks have been developed using stoichiometric reductants to achieve catalytic activity, obviating the need for pre-generation of the organometallic ..., Ni ...
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A Novel Copper Catalyzed Reductive Coupling of N tosylhydrazones with H phosphorus oxides
... 1. General Infomations Solvents and reagents were reagent grade and used without purification unless otherwise noted. Anhydrous solvents were obtained as follow: THF and dioxane by distillation from sodium and ...
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Palladium catalyzed cross-coupling reactions of allyl- and vinylsilanes
... undergo cross-coupling reactions with a myriad of aryl ...facile cross-coupling with aryl bromides to give predominantly γ-coupled products in good yields and ...the coupling reaction ...
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Palladium-Catalyzed Cross-Coupling of 2-Aryl-1,3-Dithianes
... desired coupling, 20 though using the closely related NiXantphos led to complete consumption of both starting materials and quantita- tive conversion to the desired product after 24 ...
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Phospha-adamantanes as ligands for palladium-catalyzed cross-coupling reactions
... In line with these new developments on the use of bulky phosphine ligands in palladium-catalyzed reactions of aryl chlorides, a number of research groups have described other ligands tha[r] ...
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