Abstractmagnified imageAn efficient method for the Friedel–Crafts alkylation of 1H‐indole with nitro alkenes in the presence of zinc acetate is described. The procedure is applicable to a variety of nitro alkenes and substituted indoles, and the yields are very high.
An Unprecedented Route for the Synthesis of 3,3′-Biindoles by Reductive Cyclization of 3-[2-Nitro-1-(2-nitrophenyl)ethyl]-1H-indoles Mediated by Iron/Acetic Acid
作者:Chintakunta Ramesh、Veerababurao Kavala、Chun-Wei Kuo、B. Rama Raju、Ching-Fa Yao
DOI:10.1002/ejoc.201000276
日期:——
An unprecedented route for the synthesis of 3,3'-biindoles is developed. Both symmetrical and unsymmetrical 3,3'-bi-indoles could be generated by this method. Mild conditions, high yields of the products, and environmentally acceptable reagent are the merits of the procedure.
Abstractmagnified imageAn efficient method for the Friedel–Crafts alkylation of 1H‐indole with nitro alkenes in the presence of zinc acetate is described. The procedure is applicable to a variety of nitro alkenes and substituted indoles, and the yields are very high.