Iridium catalysed C2 site-selective methylation of indoles using a pivaloyl directing group through weak chelation-assistance
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DOI: 10.1039/d3ra02031b
Abstract: Here we present an iridium catalysed C2-selective methylation of indoles using methyltrifluoroborate as a source of methyl group. The iridium catalyst selectively discriminates the indole C2 and C4 C–H bonds by coordination with a pivaloyl… read more here.
Keywords: selective methylation; indoles using; iridium; group ... See more keywords