期刊
CHEMCATCHEM
卷 6, 期 9, 页码 2692-2697出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201402393
关键词
alkynes; annulation; CH activation; imine; ruthenium
资金
- Ministry of Science and Technology of the Republic of China [NSC-102-2628M-007-005, NSC-102-2633M-007-002]
An efficient and atom-economical method for the synthesis of substituted indenamines from N-tosylarylimines and alkynes via ruthenium(II)-catalyzed CH bond activation and annulation is described. The catalytic reaction proceeds well with a broad substrate scope and in good yields. A possible mechanism is proposed that involves imine nitrogen chelation-assisted ortho-CH bond activation of the substrate, alkyne insertion, and intramolecular insertion of the CNTs group into the CRu bond. Isotope-labeling experiments are performed to understand the underlying mechanism of the reaction.
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