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Communication | Regular issue | Vol 32, No. 5, 1991, pp.849-853
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5681
Fischer Reaction of 1-Acetyl-3-oxo-2,3-dihydroindole and 1-(p-Toluenesulfonyloxy)-3-oxo-2,3-dihydroindole

Jean-Yves Mérour* and Laurence Savelon

*Laboratoire de Chimie Bioorganique et Analytique, URA-CNRS N° 499, Université d‘Orléans, BP 6759, Rue de Chartres, 45067 Orleans Cedex 2, France


1-(p-toluenesulfonyloxy)-3-oxo-2,3-dihydroindole reacted with phenylhydrazine in acetic acid affording 5-(p-toluenesulfonyloxy)indolo[3,2-b]indole. By contrast 1-acetyl-3-oxo-2,3-dihydroindole in the same experimental conditions afforded 12-aminoindolo[1,2-c]quinazoline.