Nano TiO2 as a heterogeneous catalyst in an efficient one-pot three-component Mannich synthesis of β-aminocarbonyls
摘要:
TiO2 nanoparticles (TiO2 NPs) worked as an efficient heterogeneous catalyst in a one-pot, three-component, and solvent free Mannich reaction; producing various beta-aminocarbonyls in good yields, and with good stereoselectivities. The catalyst was easily separated from the reaction mixture and was recycled four times with no significant loss of its catalytic activity. (C) 2011 M.Z. Kassaee. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.