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Chiral [Al(salen)Cl] complex (10 mol%) in the presence of 2,6-lutidine (10 mol%) was found to be effective in catalysing the enantioselective Friedel–Crafts-type conjugate addition of indoles (3) to… (More)
A new catalytic system for the first example of enantioselective Friedel-Crafts-type (FC) addition of indoles to simple enones is described. The use of an equimolar amount of chiral [Al(salen)Cl] and… (More)
The 1,4-conjugate addition of indoles to nitroalkenes was efficiently carried out in aqueous media using a catalytic amount of indium tribromide (5 mol%). The reusability of the indium tribromide was… (More)
A new facile entry to the synthesis of 1,3-bis(indol-3-yl)butane-1-ones is presented. The procedure effectively utilizes a InBr 3 /TMSCl mixture (10 mol%) as a promoter for the chemoselective Michael… (More)
La presente invention concerne un procede de cyclopropanation au moyen de carbonate d'ethylene ou de sulfate d'ethylene d'un compose represente par la formule (II) : dans laquelle G represente -CN ou… (More)