Nickel-catalyzed intermolecular codimerization of acrylates and alkynes.
نویسندگان
چکیده
The linear codimerization of acrylates and alkynes to produce 1,3-dienes is successfully demonstrated using a nickel catalyst in association with 2-aminopyridine as an additive.
منابع مشابه
Selective synthesis of trienes and dienes via nickel-catalyzed intermolecular cotrimerization of acrylates and alkynes.
Tailoring nickel-catalyzed linear cotrimerization of acrylates and alkynes effectively proceeds to produce trienes and dienes highly selectively.
متن کاملNickel-catalyzed [2+2+1] cycloaddition of alkynes, acrylates and isocyanates.
Intermolecular [2+2+1] cycloaddition which incorporates an alkyne, an isocyanate, and an alkene into a γ-butyrolactam proceeds with nickel catalyst.
متن کاملSynthesis of α,β-unsaturated γ-amino esters with a quaternary center by ruthenium-catalyzed codimerization of N-acetyl α-arylenamines and acrylates.
Ruthenium-catalyzed highly selective codimerization of N-acetyl α-arylenamines with ethyl acrylates is reported. This codimerization reaction provides a new efficient method for the synthesis of α,β-unsaturated γ-amino esters with a quaternary center.
متن کاملRhodium-catalyzed linear codimerization and cycloaddition of ketenes with alkynes.
A novel rhodium-catalyzed linear codimerization of alkyl phenyl ketenes with internal alkynes to dienones and a novel synthesis of furans by an unusual cycloaddition of diaryl ketenes with internal alkynes have been developed. These reactions proceed smoothly with the same rhodium catalyst, RhCl(PPh(3))(3), and are highly dependent on the structure and reactivity of the starting ketenes.
متن کاملNickel-catalyzed decarbonylative addition of anhydrides to alkynes.
An intermolecular nickel-catalyzed addition reaction has been developed where phthalic anhydrides react with alkynes to afford substituted isocoumarins. A mechanistic rationale is proposed, implying reductive elimination of Ni(0) promoted by ZnCl(2) cocatalyst as the key step of the catalytic cycle.
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ورودعنوان ژورنال:
- Chemical communications
دوره 47 9 شماره
صفحات -
تاریخ انتشار 2011