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Creators/Authors contains: "Rawat, Maitreyee"

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  1. ; (, Tetrahedron Letters)
    The first catalytic application of a CCC-NHC pincer Ir (III) dimer complex for the C – H functionalization of N-methylindoles with a-aryl-a-diazoacetates at the C-3 position is reported herein. The Ir pincer dimer complex was used as a catalyst at 3 mol% loading. The best reaction conditions involved a combination of catalyst and substrates in a specific order. It resulted in the activation of the C–H bond with the formation of a new C–C bond to generate a-aryl-a-indolyl acetates with more than 99% conversion at room temperature without requiring any additives. Isolated yields of 84–97% were obtained for a range of substrates. Under these catalytic conditions, the unprotected N–H indoles did not react with a-aryl-a-diazoacetate. These catalytic conditions provided an efficient synthetic route to the synthesis of a-aryl-a-indolyl acetates. 
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