C-alkylation of indoles by 1,1-bis(trifluoromethyl)-2,2-di-cyanoethylene and 2-trifluoromethyl-3,3-dicyanoacrylic acid esters
摘要:
Indole and its derivatives with various substituents in the 1 and 2 positions of the indole ring react with 1,1-bis(trifluoromethyl)-2,2-dicyanoethylene and 2-trifluoromethyl-3,3-dicyanoacrylic acid esters to give C3-alkylation products.