Silica Sulfuric Acid–Catalyzed Friedel–Crafts Alkylation of Indoles with Nitro Olefins

Abstract

Abstract The 1,4‐conjugate addition of indoles to nitro olefins was efficiently carried out using an environmentally benign catalyst, silica sulfuric acid, at ambient temperature. IICT Communication No. 070512 Keywords: C‐C bond formationconjugate addition reactionsindolenitro olefinssilica sulfuric acid Acknowledgment The authors thank Director J. S. Yadav and V. V. Narayana Reddy, head of the division, for their constant support throughout this work. Notes IICT Communication No. 070512