89700-76-5Relevant academic research and scientific papers
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
Heravi, Majid M.,Malakooti, Reihaneh,Kafshdarzadeh, Kosar,Amiri, Zahra,Zadsirjan, Vahideh,Atashin, Hassan
, p. 203 - 234 (2022/01/19)
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 rec
Magnesium ferrichromate nanoparticles: an efficient and recyclable catalyst in the synthesis of pyrano[2,3-c]pyrazole derivatives
Yellapurkar, Ishita,Bhabal, Sonal,Ramana,Jangam, Kundan,Salve, Vaibhav,Patange, Sunil,More, Paresh
, p. 2669 - 2687 (2021/03/22)
Magnetically separable magnesium ferrichromate nanoparticles (MgFeCrO4 NPs) were synthesized by aqueous combustion synthesis (ACS) using glycine as the fuel. The as-synthesized powder was characterized using XRD, FTIR, SEM–EDX and SQUID techniq
Nano silica extracted from horsetail plant as a natural silica support for the synthesis of H3PW12O40 immobilized on aminated magnetic nanoparticles (Fe3O4@SiO2-EP-NH-HPA): a novel and effi
Hosseini Mohtasham, Nina,Gholizadeh, Mostafa
, p. 3037 - 3066 (2020/04/17)
Abstract: In this work, nanomesoporous silica has been prepared from horsetail (Equisetum arvense), which is a medicinal plant, with high surface area. This natural silica has been applied as a support to prepare H3PW12O40
Catalyst-free green synthesis of dihydropyrano[2,3-c]pyrazole scaffolds assisted by ethylene glycol (E-G) as a reusable and biodegradable solvent medium
Mohamadpour, Farzaneh
, (2020/06/10)
Abstract: We revealed a catalyst-free, green and rapid one-pot four-component tandem strategy for the preparation of dihydropyrano[2,3-c]pyrazoles – a biologically significant scaffold – via Knoevenagel-Michael cyclocondensation based on green chemistry p
Copper-immobilized ionic liquid as an alternative to organic solvents in the one-pot synthesis of bioactive dihydropyrano[2,3-c]pyrazole derivatives
Ghafuri, Hossein,Kazemnezhad Leili, Maede,Esmaili Zand, Hamid Reza
, (2020/05/25)
In this study, a novel Cu-immobilized ionic liquid (IL)was designed, characterized, and employed as both promoter and solvent in the synthesis of some dihydropyrano[2,3-c]pyrazoles. The synthesized ionic liquid was characterized by 1H NMR, sup
An expedient and eco-friendly approach for multicomponent synthesis of dihydropyrano[2,3-c]pyrazoles using nano-Al2O3/BF3/Fe3O4 as reusable catalyst
Babaei, Elaheh,Mirjalili, Bi Bi Fatemeh
, p. 16 - 21 (2019/11/14)
The pyranopyrazole derivatives have many biological activities. They were synthesized via a four-component coupling of aromatic aldehyde, malononitrile, ethyl acetoacetate and hydrazine hydrate. In this study, dihydropyrano[2,3-c]pyrazoles have been synth
Sodium gluconate: An efficient organocatalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives
Khandebharad, Amol,Sarda, Swapnil,Soni, Mahesh,Agrawal, Brijmohan
, p. 331 - 340 (2019/11/29)
Sodium gluconate presented as a category of biomolecule found to be a proficient and recyclable organocatalyst for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives via one-pot multicomponent reaction of aryl aldehyde, malononitrile, ethyl acetoac
Design and development of a new functionalized cellulose-based magnetic nanocomposite: preparation, characterization, and catalytic application in the synthesis of diverse pyrano[2,3-c]pyrazole derivatives
Maleki, Ali,Eskandarpour, Vahid
, p. 1459 - 1472 (2019/06/10)
In this work, a facile protocol for the preparation of a new cellulose-based functionalized magnetic nanocomposite catalyst is described. The structure and morphology of the prepared nanomaterial was characterized by scanning electron microscopy, energy-d
