期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 132, 期 42, 页码 14763-14765出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja107770y
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资金
- Israel Science Foundation
- European Research Council [ERC 246837]
- Minerva Foundation
- Bernice and Peter Cohn Catalysis Research Fund
- Israel Matz Professorial Chair of Organic Chemistry
The acridine-based pincer complex 1 exhibits an unprecedented mode of metal ligand cooperation involving a long-range interaction between the distal acridine C9 position and the metal center. Reaction of 1 with H-2/KOH results in H-2 splitting between the Ru center and C9 with concomitant dearomatization of the acridine moiety. DFT calculations show that this process involves the formation of a Ru dihydride intermediate bearing a bent acridine ligand in which C9 is in close proximity to a hydride ligand followed by through-space hydride transfer. Ammonia induces transfer of a hydride from the Ru center of 1 to C9 of the flexible acridine pincer ligand, forming an unusual dearomatized fac-acridine PNP complex.
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