79887-80-2Relevant academic research and scientific papers
Design and characterization of [(Et)3?N-H]FeCl4 as a nanomagnetic ionic liquid catalyst for the synthesis of xanthene derivatives under solvent-free conditions
Ezabadi, Ali,Salami, Masoumeh
, (2022/01/24)
The triethylamine-based nanomagnetic ionic liquid, [(Et)3?N-H]FeCl4, was synthesized, and its structural and chemical characteristics were detected. The thermogravimetric analysis indicated its high thermal stability with a decomposi
Tungsten oxides: green and sustainable heterogeneous nanocatalysts for the synthesis of bioactive heterocyclic compounds
Siddiqui,Shaikh, Shoyebmohamad F.,Totawar, Balaji B.,Dumpala, Madhuri,Ubaidullah, Mohd,Thamer, Badr M.,Mane, Rajaram S.,Al-Enizi, Abdullah M.
supporting information, p. 2032 - 2041 (2021/02/26)
Tungsten oxide (WO3) as an efficient heterogeneous catalyst was preparedviaa simple hydrothermal route for the synthesis of a wide range of bioactive heterocyclic compounds. The present investigation deals with the rapid and low-cost synthesis
Sulfonamide-Functionalized Porous Organic Framework as an Efficient Heterogeneous Acid Catalyst for One-Pot Preparation of 1,8-Dioxooctahydroxanthenes
Farsi, R.,Mohammadi, M. K.,Saghanezhad, S. J.
, p. 2002 - 2009 (2022/01/24)
Abstract: Herein, we report the sulfonamide-functionalized covalent organic framework (COF-SO3H), prepared by condensation of melamine and terephthalaldehyde and subsequent sulfonation, as an acidic porous catalyst for the one-pot preparation o
Perlite impregnated with HPA/α-Fe2O3: Magnetically separable catalyst for the synthesis of 3,3,6,6-tetramethyl-9-substituted-3,4,6,7-tetrahydro-2H-xanthene-1,8-(5H,9H)-diones
Lakshminarayanan, Komalavalli,Parasuraman, Amutha,Alam, Manawwer,Ahmad, Naushad,Krishnakumar, Balu,Raja, Annamalai,Kang, Misook
, (2021/06/11)
Phosphotungstic acid (HPA)/α-Fe2O3-loaded Perlite has been prepared as a recyclable heterogeneous catalyst for the synthesis of xanthenes. The prepared catalyst has been characterized by Fourier-transform infrared (FTIR) spectroscopy
Heterogeneous SO3H@Fe3O4 magnetic nanocatalyst as an efficient and reusable medium for the synthesis of 3,3′-(arylmethylene)-bis-(4-hydroxycoumarin), bis-(indolyl)-methane, and 1,8-dioxo-octahydroxanthene derivatives
Wu, Xiaobo,Peng, Wan-Xi
, p. 2129 - 2148 (2020/06/24)
This work aimed to synthesize a new heterogeneous catalyst (SO3H@Fe3O4 magnetic nanoparticles) and the study of its catalytic behavior in synthesizing 3,3′-(arylmethylene)-bis-(4-hydroxycoumarin), bis-(indolyl)-methane, an
Synthesis of the nano-magnetic ionic liquid based on caffeine and its catalytic application in the synthesis of xanthenes
Salami, Masoumeh,Ezabadi, Ali
, p. 4611 - 4626 (2020/08/10)
In this research, a novel nano-sized cube-shaped magnetic ionic liquid based on caffeine was synthesized and characterized by various spectroscopic and analytical techniques including Fourier transform infrared spectroscopy, Raman spectroscopy, proton NMR
An expedient and straightforward solvent-free synthesis of 1,8-dioxo-octahydroxanthenes using eco-friendly aluminized polyborate catalyst
Aute, Dilip,Kshirsagar, Akshay,Uphade, Bhagwat,Gadhave, Anil
, p. 3691 - 3702 (2020/08/19)
The present work deals with a catalytic application of aluminized polyborate as a mild solid acid catalyst for multicomponent synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free condition at 100°C-110°C. It involves selective domino Knoevenagel-M
Immobilized copper-layered nickel ferrite on acid-activated montmorillonite, [(NiFe2O4?Cu)(H+-Mont)], as a superior magnetic nanocatalyst for the green synthesis of xanthene derivatives
Zeynizadeh, Behzad,Rahmani, Soleiman
, p. 28038 - 28052 (2019/09/30)
In this study, the immobilization of copper-layered nickel ferrite on the surface and in the cavities of acid-activated montmorillonite (H+-Mont) was investigated. In this context, magnetic nanoparticles (MNPs) of NiFe2O4
Carbon-based nanocatalyst:?An efficient and recyclable heterogeneous catalyst for one-pot synthesis of gem-bisamides, hexahydroacridine-1,8-diones and 1,8-dioxo-octahydroxanthenes
Kour, Jaspreet,Gupta, Monika,Chowhan, Bushra,Gupta, Vivek K.
, p. 2587 - 2612 (2019/07/23)
Abstract: In this abstract, we discuss the progress related to sulfonated carbon-based materials in various acid-catalyzed organic transformations which are then further utilized in medicinal field, laboratories and industries. A simple and novel methodol
