期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2015, 期 8, 页码 1829-1833出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201403636
关键词
Homogeneous catalysis; Hydrogen transfer; Alkylation; Ruthenium; Amines; Alcohols
资金
- Regione Toscana [POR CRO FSE 2007-2013 Asse IV - Capitale Umano]
The alkylation of arylamines using stoichiometric amounts of aliphatic and benzylic alcohols in the presence of tBuOK was carried out at 55 degrees C using a low catalyst loading of [Ru(cod)Cl-2](n)/PTA (1,3,5-triaza-7-phosphaadamantane). The overall borrowing-hydrogen process does not require a controlled nitrogen atmosphere, and it could also be carried out at room temperature using higher loading of base. A wide range of substrates can be used in this transformation, and it has a good tolerance of different substituents. This catalytic system proved also to be efficient for other hydrogen-transfer reactions such as a tandem oxidation/C-C coupling between 1-phenylethanol and primary alcohols.
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