40588-46-3Relevant articles and documents
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
Basic ionic liquid anchored on UiO-66-NH2 metal–organic framework: a stable and efficient heterogeneous catalyst for synthesis of xanthenes
Askari, Saeed,Khodaei, Mohammad Mehdi,Jafarzadeh, Mohammad
, p. 2881 - 2899 (2021/04/09)
In this study, the Zr-based metal–organic framework, UiO-66-NH2, was modified with ionic liquid (dibutylimidazolium bromide) to generate a platform for supporting an organocatalyst of guanidine. After an anion exchange, the prepared hybrid syst
Acidic polymer containing sulfunic acid and carboxylic acid groups heterogenized with natural clay: A novel metal free and heterogeneous catalyst for acid-catalyzed reactions
Akbari, Maryam,Heravi, Majid M.,Kahangi, Fatemeh Ghoreyshi,Sadjadi, Samahe
, (2020/02/04)
A novel metal-free solid acid catalyst, PHSA, has been designed and synthesized through facile and environmentally benign procedure via using halloysite nanoclay as a natural and biocompatible support. The synthetic protocol included co-polymerization of
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
Ag nanoparticles stabilized on cyclodextrin polymer decorated with multi-nitrogen atom containing polymer: An efficient catalyst for the synthesis of xanthenes
Dorraj, Masoumeh,Heravi, Majid M.,Kahangi, Fatemeh Ghoreyshi,Sadjadi, Samahe
, (2020/02/03)
In attempt to broaden the use of cyclodextrin polymer for catalytic purposes, a novel covalent hybrid system was prepared through growth of multi-nitrogen atom containing polymer (PMelamine) derived from reaction of ethylenediamine and 2,4,6-trichloro-1,3
Grafting of sulphamic acid on functionalized sawdust: A novel solid acid catalyst for the synthesis of 1,8-dioxo-octahydroxanthenes
Karhale, Shrikrishna
, p. 3085 - 3096 (2020/04/09)
Abstract: A solid acid catalyst bearing sulphamic acid on sawdust (SA@Sawdust) was designed as a novel heterogeneous catalyst. The structure of prepared catalyst was assessed by various spectroscopic techniques such as FT-IR, field emission scanning elect
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
One-pot three-component synthesis of 1,8-dioxooctahydroxanthenes and 14-Aryl-14Hdibenzo[a,j]xanthenes using a new nanostructure zeolite
Hojati, Seyedeh Fatemeh,Moosavifar, Maryam,Moeinieghbali, Nasrin
, (2020/02/15)
Abstract: A new modified zeolite containing Fe nanoparticles loaded in zeolite X (Fe-X) has been synthesized and characterized by FT-IR, XRD, EDX and SEM techniques and its catalytic activity has been investigated in the synthesis of two series of xanthen
Aqueous synthesis of 1,8-dioxo-octahydroxanthenes using supported cobalt nanoparticles as a highly efficient and recyclable nanocatalyst
Rajabi, Fatemeh,Dios, María Pinilla-de,Abdollahi, Mohammad,Luque, Rafael
, p. 95 - 100 (2019/01/03)
A highly efficient and environmentally friendly approach for the synthesis of 1,8-dioxo- octahydroxanthenes has been developed catalysed by a supported cobalt nanoparticle catalyst (CoNP@SBA-15) in water. The use of this heterogeneous catalytic system off
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