the National Natural Science Foundation of China (Nos.21106090 and 21176170);Foundation of Low Carbon Fatty Amine Engineering Research Center of Zhejiang Province (No.2012E10033);Zhejiang Provincial Natural Science Foundation of China (No.LY12B02004)
Four recoverable and reusable ionic liquids based on 1,4-diazobicyclo[2.2.2]octane(DABCO) have been synthesized to catalyze the aza-Michael addition of secondary amines to a,b-unsaturated compounds.Among the catalys...