A simple and efficient one pot protocol was developed for the synthesis of new structurally diverse 10-indolyldibenzo[b,f]azepine derivatives. The reaction involves Lewis-acid mediated ring expansion followed by C–C bond formation through nucleophilic addition of indole moiety.
![Graphical abstract: BF3·OEt2-mediated one pot synthesis of 10-indolyldibenzo[b,f]azepine derivatives via tandem ring expansion and C–C bond formation](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C4RA08723B&imageInfo.ImageIdentifier.Year=2014)
T. Kotipalli, D. Janreddy, V. Kavala, C. Kuo, T. Kuo, M. Chen, C. He and C. Yao, RSC Adv., 2014, 4, 47833 DOI: 10.1039/C4RA08723B
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