期刊
ORGANOMETALLICS
卷 30, 期 12, 页码 3412-3418出版社
AMER CHEMICAL SOC
DOI: 10.1021/om200295c
关键词
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资金
- Swiss National Science Foundation
- EPFL
The cyclopentadienyl Ru complexes Cp*RuCl-(cod) (cod = 1,5-cyclooctadiene), Cp*RuCl(PPh3)(2), and [Cp boolean AND RuCl2](2) (Cp boolean AND = eta(5)-1-methoxy-2,4-di-tert-butyl-3-neo-pentylcyclopentadienyl) are able to catalyze the decomposition of benzyl azides to give 1,3,5-triphenyl-2,4-diazapenta-1,4-diene (hydrobenzamide), benzyl-benzylideneamine, and benzonitrile. Reactions with the catalyst precursor [Cp boolean AND RuCl2](2) are particularly fast and give hydrobenzamide with high selectivity. A similar coupling reaction is observed for other benzylic azides but not for (2-azidoethyl)benzene and ethyl-4-azidobutanoate. If the reactions are performed in the presence of water, benzylic azides are converted into aldehydes. Mononuclear tetrazene complexes are formed in stoichiometric reactions of [Cp boolean AND RuCl2](2) with benzyl azide and (2-azidoethyl)benzene.
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