An efficient three-component domino or one-pot strategy has been developed for the synthesis of medicinally important benzothiophene and benzothiopheno[2,3-]azepinedione derivatives for the first time. Amine-promoted selective cleavage of C-S bond of thioisatin is the key step in this process. The reported methodology benefits from environmentally friendly solvent (HO), wide substrate scope, good functional group tolerance, and high reaction yields.
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http://dx.doi.org/10.1021/acs.joc.0c01505 | DOI Listing |
J Org Chem
October 2020
Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion; Tianjin Key Laboratory of Drug Targeting and Bioimaging, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
An efficient three-component domino or one-pot strategy has been developed for the synthesis of medicinally important benzothiophene and benzothiopheno[2,3-]azepinedione derivatives for the first time. Amine-promoted selective cleavage of C-S bond of thioisatin is the key step in this process. The reported methodology benefits from environmentally friendly solvent (HO), wide substrate scope, good functional group tolerance, and high reaction yields.
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