First example of ring expansion of activated quinolines and isoquinolines: novel benzoazepinesElectronic supplementary information (ESI) available: experimental section. See http://www.rsc.org/suppdata/cc/b4/b405100a/
Chemical Communications2004Iss. 18, pp. 2124–2124
Citations Over TimeTop 15% of 2004 papers
Abstract
Activated quinoline and isoquinoline undergo unexpected ring expansion by diazocarbonyl compounds via C-C insertion in the presence of 5 mol% of copper triflate to produce ethyl 1H-benzo[b]azepine-1-carboxylate and ethyl 3H-benzo[d]azepine-3-carboxylate, respectively, in excellent yields with a high degree of selectivity
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