期刊
ORGANOMETALLICS
卷 31, 期 19, 页码 6868-6879出版社
AMER CHEMICAL SOC
DOI: 10.1021/om300692a
关键词
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资金
- Spanish MICINN [CTQ2010-15390, BES-2008-006635]
- Junta de Andalucia [PAI-FQM188, P08-FQM-03538]
Ruthenium(II) p-cymene complexes with picolyl-functionalized N-heterocyclic carbenes [(eta(6)-p-cymene)Ru(L)(Cl)]-[PF6] (L = 3-methyl-1-(2-picolyl)imidazol-2-ylidene (1a), 3-isopropyl-1-(2-picolyl)imidazol-2-ylidene (1b), 3,4,5-trimethyl-1-(2-picoly)imidazol-2-ylidene (1c), 3-mesityl-1-(2-picolyl)imidazol-2-ylidene (1d), 3-methyl-1-(2-picolyl)benzoimidazol-2-ylidene (1f), 3-methyl-1-(2-picolyl)-4,5-dichloroimidazol-2-ylidene (1f), 3-phenyl-1-(2-picolyl)imidazol-2-ylidene (1g)) have been synthesized and characterized. Compounds 1 a-g were recrystallized, and X-ray crystal structures are reported for 1a,f. Furthermore, compounds 1a-f show catalytic activity in transfer hydrogenation of ketones and N-alkylation of amines. Notably, complexes 1a,c,f were found to be very efficient and versatile catalysts toward transfer hydrogenation of a wide range of ketones and imines in addition to N-alkylation of several amines.
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