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Ko, S., Lin, C., Tu, Z., Wang, Y.-F., Wang, C.-C. and Yao, C.-F. (2006) CAN and Iodine-Catalyzed Reaction of Indole or 1-Methylindole with α, β-Unsaturated Ketone or Aldehyde. Tetrahedron Letters, 47, 487-492.
https://doi.org/10.1016/j.tetlet.2005.11.058

has been cited by the following article:

• TITLE: Conjugate Addition of Indoles to α,β-Unsaturated Ketones Using Bismuth (III) Bromide

  AUTHORS: Tyler J. Rauwolf, Zhijia Geng, Zachary P. Kinney, Jared L. Renfroe, Jack H. Roireau, Lauren T. Yep, Ram S. Mohan

  KEYWORDS: Bismuth, Bismuth Bromide, Conjugate Addition, Green Chemistry, Indoles

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.9 No.3, July 18, 2019

  ABSTRACT: An efficient method for the conjugate addition of indoles to a variety of chalcones using BiBr3 in ethanol (190 proof) is reported. Products are isolated by a simple procedure that avoids an aqueous work up and extensive chromatography, thus minimizing waste. Bismuth (III) compounds are especially attractive from a green chemistry perspective because they are remarkably nontoxic, non-corrosive and relatively inexpensive.