J. Yadav, B. Reddy, M. Gupta
Sep 14, 2004
Citations
0
Influential Citations
29
Citations
Journal
Chemical communications
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