Abstract
The reactions of partially hydrogenated indole-fused quinolizines and indolizines with activated alkynes in methanol, acetonitrile, and dichloromethane were studied. The reactions were shown to be accompanied by the cleavage of the bridging C-N bond. Azecino[5,4-b]-indole and indolo[3,2-e][2]benzazonine derivatives were synthesized.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1218–1227, June, 2012.
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Voskressensky, L.G., Borisova, T.N., Titov, A.A. et al. Synthesis of azecino[5,4-b]indoles and indolo[3,2-e][2]benzazonines via tandem transformation of hydrogenated indoloquinolizines and indolizines. Russ Chem Bull 61, 1231–1241 (2012). https://doi.org/10.1007/s11172-012-0167-6
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DOI: https://doi.org/10.1007/s11172-012-0167-6