Electronic effect of substituents on anilines favors 1,4-addition to trans-β-nitrostyrenes: access to N-substituted 3-arylindoles and 3-arylindoles??
Organic & Biomolecular Chemistry Pub Date: 2018-04-24 DOI: 10.1039/C8OB00736E
Abstract
A simple and an efficient method for the regioselective synthesis of N-alkyl/aryl/H 3-arylindole derivatives from N-substituted anilines and trans-β-nitrostyrenes has been described using 10 mol% of bismuth(III) triflate as a catalyst in acetonitrile at 80 °C. The present protocol profits from the formation of new C–C and C–N bonds, broad substrate scope and moderate to good yields.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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