期刊
ACS OMEGA
卷 2, 期 8, 页码 4859-4869出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.7b00753
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资金
- Council of Scientific and Industrial Research (CSIR), India [02/200/14/EMR-II]
- UGC-Networking Resource Center (UGC-NRC)
- University of Hyderabad
- Central University of Rajasthan
An amine-triggered facile synthetic approach of anthranilates has been described through benzannulation of readily available chemicals under one-pot solvent-free conditions using Ca(OTf)(2) as the sustainable catalyst. In this regioselective approach, we described a reasonably longer cascade, which proceeds through beta-enamino ester formation/ Michael addition/intramolecular aldol reaction/elimination/ aromatization/oxidative debenzylation/lactonization with a broad substrate scope and high yields. The isolation of intermediates authenticated the mechanism, and the synthetic utility of the products was also demonstrated.
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