Diels-Alder Reactions of 1-Phenylpyranoindol-3-ones with Alkynes: New Functionalized Carbazoles
3-Indolylalkanoic acids 2 react with benzoic acid anhydride under catalysis of Et2O-ZnCl2 and mild conditions to furnish the 1-phenyl-substituted pyranoindol-3-ones 1c, 1d, and 3a, 3b.Products 1c, 1d, and 3b may be converted into the novel function
Pindur, Ulf,Erfanian-Abdoust, Houshang
p. 771 - 773
(2007/10/02)
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