Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 87, Issue 9, Pages 5568-5576Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.1c02936
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Funding
- Open Research Fund of the School of Chemistry and Chemical Engineering, Henan Normal University [2020ZD02]
- Hubei Key Laboratory of Biologic Resources Protection and Utilization, Hubei Minzu University [PT012101]
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences [KF2021-06]
- Innovation Fund of Key Laboratory of Green Chemical Process, Ministry of Education, Wuhan Institute of Technology [GCX202102]
- Key Scientific Research Projects of Higher Education Institutions in Henan Province [21A150002]
- Postgraduate Innovation Foundation from the Wuhan Institute of Technology [CX2021342]
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An efficient synthesis method for 1,2-disubstituted indoles has been developed, providing a straightforward route to the target products from easily accessible starting materials. The protocol offers easy performance, high yield, and a broad substrate scope, indicating its potential synthetic value in the preparation of various biologically or pharmaceutically active compounds.
An efficient synthesis of a variety of 1,2-disubstituted indoles from 2-ethynylanilines was developed. Using 2-ethynylanilines and benzaldehydes as starting materials, the target products (1,2-disubstituted indoles) were obtained smoothly through condensation, reduction, and subsequent cyclization. Various functional groups attached to the aryl ring of 1,2-disubstituted indoles were well tolerated. The protocol features easy performance, easily available starting materials, good yield, and a broad substrate scope, showing potential synthetic value for the preparation of a variety of biologically or pharmaceutically active compounds.
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