Supported palladium oxide nanoparticles in Al-SBA-15 as an efficient and reusable catalyst for the synthesis of pyranopyrazole and benzylpyrazolyl coumarin derivatives via multicomponent reactions
作者:Majid M. Heravi、Reihaneh Malakooti、Kosar Kafshdarzadeh、Zahra Amiri、Vahideh Zadsirjan、Hassan Atashin
DOI:10.1007/s11164-021-04619-z
日期:2022.1
An eco-friendly method for diversity-oriented synthesis of substituted dihydropyrano[2,3-c]pyrazole and benzylpyrazolyl coumarin derivatives has been achieved via one-pot and multicomponent reaction in the presence of PdO/Al-SBA-15 as an efficient and recyclable catalyst in H2O/EtOH under reflux conditions. The significant merits of this method are wide scope, high yields of the desired products, short
在 PdO/Al-SBA-15 存在下,通过一锅多组分反应,实现了一种生态友好的方法,用于合成取代二氢吡喃并[2,3- c ]吡唑和苄基吡唑基香豆素衍生物,作为一种高效且回流条件下在 H 2 O/EtOH 中的可回收催化剂。该方法的显着优点是适用范围广、所需产物收率高、反应时间短和后处理程序简单。此外,这种纳米催化剂被简单地回收和重复使用五次,而催化活性和性能没有显着损失。 图形概要
One-pot three-component synthesis of the spiroacenaphthylene derivatives
作者:Mina Saeedi、Majid M. Heravi、Yahya S. Beheshtiha、Hossein A. Oskooie
DOI:10.1016/j.tet.2010.05.067
日期:2010.7
A facile and efficient one-pot three-component synthesis of the spiroacenaphthylene derivatives was achieved, via the reaction of acenaphthequinone, malononitrile/ethylcyanoacetate and various reagents including alpha-methylencarbonyl compounds/enols. (C) 2010 Elsevier Ltd. All rights reserved.
Synthesis of spirochromene derivatives catalyzed by Mn(bpyo)2/MCM-41 in water
作者:Mansoureh Daraie、Yahya S. Beheshtiha、Majid M. Heravi
DOI:10.1007/s00706-014-1292-8
日期:2015.1
A three-component one-pot synthesis of spirochromene derivatives by condensing cyclic 1,3-diketones, isatin or acenaphthenequinone, and malononitrile using a catalytic amount of Mn(bpyo)(2)/MCM-41 in refluxing water is reported.