<i>In situ</i> generated stabilized phosphorus ylides mediated a mild and efficient method for the preparation of some new sterically congested electron-poor <i>N</i>-vinylated heterocycles

Bahrami, Mehdi; Ramazani, Ali; Hanifehpour, Younes; Fattahi, Nadia; Fardood, Saeid Taghavi; Asiabi, Pegah Azimzadeh; Joo, Sang Woo

doi:10.1080/10426507.2016.1206104

Cited by 11 publications

(5 citation statements)

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“…The gel is dried and then sintered at determined temperatures at different periods. The sintering time usually is varied and tested to determine the effects on the photocatalytic activity [39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58].…”

Section: Sol-gel Methodsmentioning

confidence: 99%

Zinc Ferrite Nanoparticles in Photo-Degradation of Dye: Mini-Review

et al. 2020

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Organic pollutants are the largest kind of pollutants released into waters and wastewater from the some industry and industrial processes. Photocatalytic degradation is one of the significant and effective methods to remove the dyes and other organic pollutant from water and wastewater. This mini-review presents the application of zinc ferrites and ZnFe2O4-based composites in the photocatalytic degradation of organic dye. The zinc ferrite nanomaterials are obtained mainly by thermal methods, sol-gel, co-precipitation, and solid-state or hydrothermal route. Zinc Ferrites have good photocatalytic activity, but when exploited as composite photocatalysts, their photocatalytic efficiency were increased. AS a critical magnetic material, the ZnFe2O4 spinel structure has been proven to be useful in removal dye, ZnFe2O4 have photocatalytic activity under visible light irradiation. However, it is possible to improve the efficiency of photocatalysis activity of ZnFe2O4 by coupling it with another semiconductor or coupling it with carbon nanotubes and graphene, resulting in enhanced photocatalytic performance. Abstract: Biography:Fatemeh Ajormal has completed BS in chemistry in Shahid Chamran University from ahwaz in 2010. She has Master's degree in organic chemistry from University of Zanjan, at the moment she is a PhD student in organic chemistry. Her area of research interest is synthesis of heterocyclic Compounds, Synthesis of complexes and Application of Catalytic them.

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Section: Sol-gel Methodsmentioning

confidence: 99%

Zinc Ferrite Nanoparticles in Photo-Degradation of Dye: Mini-Review

et al. 2020

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“…The ZnO NPs have numerous applications such as catalysis [28], piezoelectric devices [29], photocatalytic [30,31], chemical sensors [32] and cosmetic material especially for transparent UV protection [33]. Lately, multicomponent reactions (MCRs) have concerned notable attention due to extensive benefits such as simplicity of operation, reduction of purification steps and isolation, and decreases of time, expenses and waste production [34][35][36][37][38]. MCRs are especially beneficial in preparing expedient approaches to a broad range of biological and pharmaceutical compounds [39][40][41][42][43].…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis of ZnO Nanoparticles via Sol-gel Method and Investigation of Its Application in Solvent-free Synthesis of 12-Aryl-tetrahydrobenzo[α]xanthene-11-one Derivatives Under Microwave Irradiation

et al. 2019

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In this work, zinc oxide (ZnO) nanoparticles were fabricated using Arabic gum as a reducing and stabilizing agent by the novel sol-gel method without adding any surfactants. The synthesized nanoparticles were characterized by Fourier transform infrared spectroscopy (FTIR), powder X-ray diffraction (XRD), and scanning electron microscopy (SEM). Subsequently, ZnO nanoparticles as efficient catalysts were consumed for the three-component coupling of 2-naphthol, aldehydes, and dimedone under microwave irradiation and solvent-free conditions in order to furnish the corresponding synthesis of 12-aryl-tetrahydrobenzo[α]xanthene-11-one derivatives in high yields. KEYWORDS Zinc oxide nanoparticles 12-Aryl-tetrahydrobenzo[α]xanthene-11one derivatives Solvent-free Microwave irradiation Saeid Taghavi Fardood et al.

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“…Multicomponent reactions (MCRs) constitute a particularly attractive synthetic strategy due to the fact that the products are made in a single step while diversity can be promoted only by varying the reacting components [5][6][7][8][9][10][11]. Furthermore, multicomponent reactions (MCRs) by the virtue of their convergence, productivity, ease of implementation and generally higher yields of products have attracted considerable attention in the area of combinatorial chemistry [12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%