has specified product indoles indole synthesis Bartoli indole synthesis 2014-03-03T09:00:00Z RXNO RXNO:0000494 Reaction of an ortho-substituted nitroarene with a vinyl Grignard reagent to yield a 7-substituted indole. batchelorc https://www.rsc.org/Merck-Index/reaction/r20/ https://www.wikidata.org/wiki/Q3508929