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1. Three-component solvent-free synthesis of highly substituted bicyclic pyridines containing a ring-junction nitrogenElectronic supplementary information (ESI) available: General procedures and spectroscopic data, including copies of 1H and 13C NMR spectra. CCDC reference number 784140. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c0gc00373e

Author

Shengjiao YanThese authors contributed equally to this paper., Yulan Chen, Lin Liu, Nengqin He, and Jun Lin

Subjects
*SOLVENTS, *ORGANIC synthesis, *BICYCLIC compounds, *PYRIDINE, *NITROGEN, *KETENES, *CARBENES, *NUCLEAR magnetic resonance spectroscopy
Abstract

An efficient one-pot, three-component synthesis of highly substituted bicyclic pyridines containing a ring-junction nitrogen, starting from simple and readily available materials, is described. Cyclocondensation of heterocyclic ketene aminals (HKAs), triethoxymethane, and active methylene compounds by refluxing under solvent-free and catalyst-free conditions, provided bicyclic pyridines in excellent yields. [ABSTRACT FROM AUTHOR]

Published
2010
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