期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 2, 页码 628-631出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201610263
关键词
cerium; homogeneous catalysis; hydrosilylation; structure elucidation; X-ray diffraction
资金
- National Science Foundation [CHE-1464774]
- Critical Materials Institute, an Energy Innovation Hub - U.S. DOE Advanced Manufacturing Office
- Air Force Office of Scientific Research under the AFOSR award [FA9550-12-1-0476]
The homoleptic organocerium complex Ce{C( SiHMe2)(3)}(3) (1) reacts with B(C6F5)(3) to produce the zwitter-ionic bis(alkyl) hydridoborato Ce{C(SiHMe2)(3)} 2HB(C6F5)(3) (2). NMR and IR spectroscopy and X-ray crystallography indicate that each alkyl ligand contains two bridging Ce(H-Si interactions in both 1 and 2. Compound 2 serves as a precatalyst for the hydrosilylation of acrylates to give a-silyl esters at room temperature with a turnover number of 2200.
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