89607-38-5Relevant academic research and scientific papers
One-pot synthesis of 2-amino-3-cyano-4H-pyrans and pyran-annulated heterocycles using sodium citrate as an organo-salt based catalyst in aqueous ethanol
Dutta, Arup,Nongkhlaw, Rishanlang,Phanrang, Pynskhemborlang T.,Thongni, Aiborlang
supporting information, (2021/11/09)
Sodium citrate as a highly efficient catalyst is developed for the synthesis of functionalized 2-amino-3-cyano-4H-pyrans and pyran-annulated heterocycles. This method involves a one-pot three-component reaction of aromatic aldehydes, malononitrile and 1,3
Sugarcane Bagasse Ash-Based Silica-Supported Boric Acid (SBA-SiO2-H3BO3): A Versatile and Reusable Catalyst for the Synthesis of 1,4Dihydropyrano[2,3c]pyrazole Derivatives
Kumar, A.,Pandey, A. K.,Shrivastava, S. C.
, p. 653 - 660 (2021/06/02)
Abstract: A simple, green, and efficient protocol has been developed for the synthesis of biologically active 1,4dihydropyrano[2,3c]pyrazole derivatives via one-pot four-component reaction of various substituted benzaldehydes, hydrazine hydrate or phenylh
Magnetized melamine-modified polyacrylonitrile (PAN@melamine/Fe3O4) organometallic nanomaterial: Preparation, characterization, and application as a multifunctional catalyst in the synthesis of bioactive dihydropyrano [2,3-c]pyrazole
Hassanzadeh-Afruzi, Fereshte,Dogari, Haniyeh,Esmailzadeh, Farhad,Maleki, Ali
, (2021/07/14)
An efficient magnetic polymer-based nanomaterial was prepared in three main steps including synthesis of polyacrylonitrile (PAN), modification of PAN with melamine, and magnetization of the PAN@melamine compound by in situ construction of Fe3O
Synthesis and characterization of pine-cone derived carbon-based solid acid: A green and recoverable catalyst for the synthesis of pyra-no_pyrazole, amino-benzochromene, amidoalkyl naphthol and thiazoli-dinedione derivatives
Ghorbani, Fatemeh,Pourmousavi, Seied Ali,Kiyani, Hamzeh
, p. 66 - 81 (2021/03/19)
In this report, SO3H-functionalized Carbon nanoparticles (Pine-SO3H) with high acid density have been synthesized by the thermal treatment of sulfuric acid with Pine-Cone as carbon-based at 180oC in a sealed autoclave in a
Novel biocompatible core/shell Fe3O4?NFC?Co(ii) as a new catalyst in a multicomponent reaction: An efficient and sustainable methodology and novel reusable material for one-pot synthesis of 4: H -pyran and pyranopyrazole in aqueous media
Bagherzade, Ghodsieh,Eshghi, Hossein,Kargar, Pouya Ghamari
, p. 37086 - 37097 (2020/10/27)
Today, due to the developing need for inexpensive catalysts, recyclable magnetic nanocatalysts immobilized on polysaccharides possess many advantages over classical heterogeneous catalysts. However, cellulose has been an appealing material in catalysis sc
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
Synthesis and characterization of Fe3O4@THAM-SO3H as a highly reusable nanocatalyst and its application for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives
Faroughi Niya, Homayoun,Hazeri, Nourallah,Maghsoodlou, Malek Taher
, (2020/01/25)
In this work, a new, green and beneficial nanomagnetic catalyst was easily fabricated using sulfuric acid as an acidic group on Fe3O4 nanoparticles coated with tris (hydroxymethyl) aminomethane (THAM). The synthesized catalyst was characterized by FT-IR, TGA/DTG, XRD, TEM, EDS, VSM, and SEM analyses. Next, its catalytic activity was studied for the synthesis of dihydropyrano[2,3-c]pyrazole derivatives. This catalyst has advantages such as high catalytic activity, non-toxicity, easy separation from the reaction mixture using an external magnet and reuses for several times without significantly reducing in its catalytic activity.
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
DABA MNPs: A new and efficient magnetic bifunctional nanocatalyst for the green synthesis of biologically active pyrano[2,3-: C] pyrazole and benzylpyrazolyl coumarin derivatives
Karami, Shahriar,Dekamin, Mohammad G.,Valiey, Ehsan,Shakib, Peyman
, p. 13952 - 13961 (2020/09/03)
In this work, a new core-shell magnetic silica nanocatalyst functionalized with 3,4-diaminobenzoic acid (Fe3O4@SiO2@PTS-DABA) was successfully prepared and characterized using different spectroscopic methods or techniques including FT-IR, FE-SEM, VSM, XRD
