Facile synthesis of fused polycyclic compounds via intramolecular oxidative cyclization/aromatization of β-tetralone or β-tetralone oximesElectronic supplementary information (ESI) available. CCDC 1822084 and 1856722. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c8ob02031k
A mild and efficient NBS promoted intramolecular oxidative cyclization/aromatization of β-tetralone oximes has been explored. Under the optimized conditions, fused α-carbolines containing pentacyclic rings were obtained in moderate to good yields. Furthermore, various benzo[5,6]chromeno[2,3- b ]indo...
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