One-pot C–C, C–N, and C–S bond construction for synthesis of 3-sulfenylindoles directly from unactivated anilines involving dual palladium catalysis and mechanistic insights from DFT†,10.1039/D2OB01606K

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One-pot C–C, C–N, and C–S bond construction for synthesis of 3-sulfenylindoles directly from unactivated anilines involving dual palladium catalysis and mechanistic insights from DFT†

Abhishek Kumar Mishra,Mini Bharati Ahirwar,Milind M. Deshmukh

Organic & Biomolecular Chemistry Pub Date : 12/21/2022 00:00:00 , DOI:10.1039/D2OB01606K

Abstract

An efficient dual Pd-catalytic system was developed for one-pot synthesis of 3-sulfenylindoles via C–C, C–N and C–S bond construction directly from unactivated 2-iodo(NH)anilines under mild reaction conditions. Furthermore, 3-selenyl/halo/carbon-functionalized indoles were synthesized in good yields and a short reaction time. The synthetic utility of 3-sulfenylindole was also demonstrated. The key role of solvent in palladium catalysis was unravelled by DFT.