supported by the National Natural Science Foundation of China(No.21872095);the“111”Innovation and Talent Recruitment Base on Photochemical and Energy Materials,China(No.D18020);the Project of Shanghai Engineering Research Center of Green Energy Chemical Engineering,China(No.18DZ2254200).
Mesoporous aluminosilica hollow nanospheres were prepared easily,which possess very strong acid site.The heterogeneous catalyst can be utilized in both intramolecular aza-Michael addition cyclization and intermolecula...
以1,4-二氮杂二环[2.2.2]辛烷(DABCO)为催化剂,2-氨基查尔酮与烯基巴比妥酸为原料,经aza-Michael/Michael串联反应合成了11个新型的四氢喹啉螺巴比妥酸类化合物,分离收率62%~94%, dr 值均大于20/1,其结构经^1H NMR,^13C NMR和HR-MS(ESI...
supported by the National Natural Science Foundation of China (Nos. 21276211 and 21472152)
An unprecedented enzyme-catalyzed asymmetric domino aza-Michael/aldol reaction of 2-aminobenzaldehyde and a,b-unsaturated aldehydes is achieved. Pepsin from porcine gastric mucosa provided mild and efficient access to...
the financial support from the National Natural Science Foundation of China(Nos.21162026 and 20962018);Xinjiang Autonomous Region Youth Science Foundation(No. 2011211B05);Doctoral Fund of Xinjiang University(No. BS100109)
MCM-41 supported heteropoly acids (HPAs) catalysts were synthesized, characterized and their catalytic activity was evaluated in an aza-Michael addition reaction between nitroolefins and benzotriazole in water at ro...