Abstract 1H-Indazolo[2,1-b]phthalazine-1,6,11-trione derivatives have been synthesized through a one-pot three-component condensation of phthalhydrazide, dimedone, and aromatic aldehydes at 80°C under solvent-free conditions in the presence of a novel Co nanoparticle catalyst. The catalyst was prepared by coating Fe3O4 magnetic nanoparticles with tetraethyl orthosilicate, followed by functionalization
摘要 1 H -Indazolo [2,1- b ]phthalazine-1,6,11-trione 衍
生物通过邻苯二甲酰
肼、
双甲酮和芳香醛在 80°C 无溶剂条件下的一锅三组分缩合合成在新型 Co 纳米颗粒催化剂的存在下。该催化剂的制备方法是用原
硅酸四乙酯包覆 Fe 3 O 4磁性纳米粒子,然后用 3-
氯丙基(
三甲氧基)
硅烷和
2-氨基-1,3,4-噻二唑-5(4 H )-
硫酮进行功能化,并与
乙酸钴(II)。超顺磁性催化剂可以通过应用外部超级磁
铁很容易地回收,并且可以使用多次而不会显着损失催化活性。