Oxidative Addition of Alkenyl and Alkynyl Iodides to a Au I Complex
نویسندگان
چکیده
منابع مشابه
The direct oxidative addition of O2 to a mononuclear Cr(I) complex is spin forbidden.
Mononuclear chromium(I) alkyne complex (i-Pr2Ph)2nacnacCr(η(2)-C2(SiMe3)2) (1) reacts rapidly with dioxygen to yield chromium(V) dioxo species (i-Pr2Ph)2nacnacCr(O)2 (2). The mechanism of this oxygen cleavage has been studied experimentally and computationally. Isotope labeling studies rule out a direct four-electron oxidative addition of O2 to one chromium atom, which involves a spin-forbidden...
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15 صفحه اولSynthesis of N-Alkenyl 2-Pyridonyl Ethers via a Au(I)-Catalyzed Rearrangement of 2-Propargyloxypyridines.
N-Alkyl 2-pyridones and other enolizable heterocycles are important synthetic constructs, due to their prevalence in natural products and pharmaceutical targets and their capacity to serve as models for a number of biological and chemical processes. The disclosed Au(I)-catalyzed reaction utilizes 2-propargyloxypyridines to access N-alkylated 2-pyridone products derived from both 5-exo and 6-end...
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15 صفحه اولHalobenzenes and Ir(I): kinetic C-H oxidative addition and thermodynamic C-Hal oxidative addition.
A (PNP)Ir fragment undergoes facile, room-temperature oxidative addition of C-H bonds in arenes and haloarenes in preference to aromatic carbon-halogen bonds. This preference, however, is determined to be kinetic in nature. Oxidative addition of C-Cl and C-Br is preferred thermodynamically. The products of the C-Cl or C-Br oxidative addition are separated from the C-H oxidative addition product...
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ژورنال
عنوان ژورنال: Angewandte Chemie
سال: 2020
ISSN: 0044-8249,1521-3757
DOI: 10.1002/ange.202000473