Ordered organo-inorganic hybrid mesoporous solid acid catalysts (Zr–TMS–TFA) for Michael addition of indoles with α,β-unsaturated carbonyl compounds under environmentally benign solvent free conditions
Keywords: افزایش مایکل; Zr–TMS mesoporous materials; Triflic acid; Michael addition; Indole; α,β-Unsaturated carbonyls