期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 32, 页码 13581-13585出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202005091
关键词
aldehyde deformylation reaction; amphoteric reactivity; cobalt(III) complexes; iodosylbenzene adducts; nonheme complexes
资金
- NRF of Korea through CRI [NRF-2012R1A3A2048842]
- Basic Science Research Program [2017R1D1A1B03029982, 2017R1D1A1B03032615, 2019R1I1A1A01055822]
- NSF of USA [CHE-1900380, CHE-1854854]
- CFI
- NSERC
- NRC
- CIHR
- Government of Saskatchewan
- University of Saskatchewan
A mononuclear nonheme cobalt(III) iodosylbenzene complex, [Co-III(TQA)(OIPh)(OH)](2+) (1), is synthesized and characterized structurally and spectroscopically. While 1 is a sluggish oxidant in oxidation reactions, it becomes a competent oxidant in oxygen atom transfer reactions, such as olefin epoxidation, in the presence of a small amount of proton. More interestingly, 1 shows a nucleophilic reactivity in aldehyde deformylation reaction, demonstrating that 1 has an amphoteric reactivity. Another interesting observation is that 1 can be used as an oxygen atom donor in the generation of high-valent metal-oxo complexes. To our knowledge, we present the first crystal structure of a Co-III iodosylbenzene complex and the unprecedented reactivity of metal-iodosylarene adduct.
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