An efficient and clean Michael addition of indoles to electron-deficient olefins under solvent- and catalyst-free condition

Article abstract of DOI:10.1002/jhet.569

An efficient Michael addition of indoles to electron-deficient olefins under solvent- and catalyst-free condition afforded biologically important 3-substituted indole derivatives in good to excellent yields was reported. The acidic N-H proton of indole pl