An efficient protocol was developed for the recyclable nano CuO powder catalyzed synthesis of quinoline derivatives from acetylenedicarboxylates and 2-aminocarbonyl compounds using acetonitrile as solvent at 40 °C in air. A variety of quinoline derivatives were synthesized in good yields with good chemoselectivity in the presence of a catalytic amount of CuO nano powder under ligand/additive free conditions. The catalyst is air-stable, inexpensive and recyclable up to four cycles.
以
乙腈为溶剂,在 40 °C空气中以可回收的纳米 CuO 粉末催化合成
乙炔二
羧酸盐和 2-
氨基羰基化合物的
喹啉衍
生物。在无
配体/添加剂的条件下,在催化量的纳米 CuO 粉末存在下合成了多种
喹啉衍
生物,产率高,
化学选择性好。该催化剂在空气中稳定,价格低廉,可循环使用四次。