cheminform abstract: efficient reductive acylation of 3-nitroindoles

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2008 Indole derivatives R 0140 Efficient Reductive Acylation of 3-Nitroindoles. — The reduction of substrates (I) by hydrogen in the presence of carboxylic acid anhydrides provides good to excellent yields of 3-carboxamidoindoles (III), whereas 2-nitroindoles give lower yields of the corresponding products (VII). The method is further applied to the synthesis of pyrro- lylindole (V). — (ROY, S.; ROY, S.; GRIBBLE*, G. W.; Tetrahedron Lett. 49 (2008) 9, 1531-1533; Dep. Chem., Dartmouth Coll., Hanover, NH 03755, USA; Eng.) — Klein 24- 111

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Page 1: ChemInform Abstract: Efficient Reductive Acylation of 3-Nitroindoles

2008

Indole derivativesR 0140 Efficient Reductive Acylation of 3-Nitroindoles. — The reduction of substrates (I)

by hydrogen in the presence of carboxylic acid anhydrides provides good to excellent yields of 3-carboxamidoindoles (III), whereas 2-nitroindoles give lower yields of the corresponding products (VII). The method is further applied to the synthesis of pyrro-lylindole (V). — (ROY, S.; ROY, S.; GRIBBLE*, G. W.; Tetrahedron Lett. 49 (2008) 9, 1531-1533; Dep. Chem., Dartmouth Coll., Hanover, NH 03755, USA; Eng.) — Klein

24- 111