Tetrahedron letters

Efficient synthesis of 4-O-and C-substituted-7-azaindoles

S Figueroa-Pérez, S Bennabi, H Schirok, M Thutewohl

Index: Figueroa-Perez, Santiago; Bennabi, Samir; Schirok, Hartmut; Thutewohl, Michael Tetrahedron Letters, 2006 , vol. 47, # 13 p. 2069 - 2072

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Citation Number: 11

Abstract

6-Chloro-4-nitro-and 4, 6-dichloro-1H-pyrrolo [2, 3-b] pyridine are versatile building blocks that allow the synthesis of 4-substituted 7-azaindole derivatives by simple nucleophilic displacement of the 4-substituent. Herein, we report on their reaction with phenolates and activated methylene nucleophiles.