期刊
SYNTHESIS-STUTTGART
卷 44, 期 21, 页码 3285-3295出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0032-1316539
关键词
heterocyclizations; indoles; isoquinolines; quinolones; ruthenium; vinylidenes
资金
- MICINN [CTQ2011-28258, CSD2007-00006]
- Xunta de Galicia
- European Regional Development [2007/XA084, CN2011/054]
- USC
Indoles, dihydroisoquinolines, and dihydroquinolines were efficiently prepared by ruthenium-catalyzed heterocyclizations of aromatic homo- and bis-homopropargyl amines/amides in the presence of an amine/ammonium base-acid pair. These regioselective 5-endo and 6-endo cyclizations most probably occur by nucleophilic trapping of key ruthenium-vinylidene intermediates.
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