期刊
APPLIED CATALYSIS A-GENERAL
卷 469, 期 -, 页码 146-152出版社
ELSEVIER
DOI: 10.1016/j.apcata.2013.09.043
关键词
Heterogeneous catalyst; Palladium nanoparticles; Cobalt oxide; Cooperative catalysis; Formylation
资金
- JST CREST Catalyst Design of Gold Clusters through Junction Effect with Metal Oxides, Carbons, and Polymers
- MEXT [22106537]
- JSPS [23350044]
- JASRI/SPring-8 facility [2010B1006]
- Grants-in-Aid for Scientific Research [22106537, 23350044, 25810108] Funding Source: KAKEN
Formylation of aryl iodides proceeded effectively in the presence of palladium nanoparticles on cobalt oxide under a syngas atmosphere to afford aldehydes up to 91% yield. A cooperative effect between palladium nanoparticles and cobalt species derived from the support was integral to efficient transformation. Both palladium and cobalt were revealed to exist as zero valent metals after H-2 treatment from X-ray absorption near edge structure and X-ray diffraction spectra. The catalyst could be reused at least 7 times without significant loss of activity. (C) 2013 Elsevier B.V. All rights reserved.
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