2020
DOI: 10.1080/10406638.2019.1710853
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Application of Phosphate Fertilizer Modified by Zinc as a Reusable Efficient Heterogeneous Catalyst for the Synthesis of Biscoumarins and Dihydropyrano[3,2-c]Chromene-3-Carbonitriles under Green Conditions

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Cited by 27 publications
(9 citation statements)
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“… Entry Conditions Temp. (℃), Solvent, Catalyst Time (min) Yield (%) Refs 1 70, H 2 O: EtOH, MNPs–PhSO 3 H 15 87 52 2 90, Solvent-free, Fe 3 O 4 @SiO 2 -Imine/Phenoxy-Cu(II) 17 95 53 3 80, Solvent-free, f CoFe 2 O 4 @FA-Er 26 96 54 4 Reflux, EtOH, Zn 3 (PO 4 ) 2 .4H 2 O 30 85 55 5 80, EtOH, FNASiPPEA 10 95 This work …”
Section: Resultsmentioning
confidence: 99%
“… Entry Conditions Temp. (℃), Solvent, Catalyst Time (min) Yield (%) Refs 1 70, H 2 O: EtOH, MNPs–PhSO 3 H 15 87 52 2 90, Solvent-free, Fe 3 O 4 @SiO 2 -Imine/Phenoxy-Cu(II) 17 95 53 3 80, Solvent-free, f CoFe 2 O 4 @FA-Er 26 96 54 4 Reflux, EtOH, Zn 3 (PO 4 ) 2 .4H 2 O 30 85 55 5 80, EtOH, FNASiPPEA 10 95 This work …”
Section: Resultsmentioning
confidence: 99%
“…As a continuation of the previous works developed by our researchers [27][28][29][30][31][32][33][34][35][36][37][38][39] , which consist on the valorization of Moroccan phosphates in the field of organic synthesis, and the development of green and sustainable chemistry, this paper reports the first and an easy preparation method for TiP2O7 from the modifications of phosphate fertilizers MAP, DAP and TSP by titanium tetrachloride (TiCl4). The characterization of TiP2O7 was realized using spectroscopic and microscopic technics such as XRD, IR, SEM, and EDX.…”
Section: Introductionmentioning
confidence: 83%
“…Some strategies for the synthesis of 1,2-dihydro-1-arylnaphtho [1, 2-e]- [1,3]oxazine-3ones synthesis were described by three-component condensation of urea, or thiourea, aldehyde, and naphthol in the presence of the different catalysts such as phosphomolybdic acid 19 , Thiamine Hydrochloride 20 , iron(III) phosphate 21 , Chitosan 22 , wet cyanuric chloride 23 , Silica vanadic acid 18 , graphene oxide 24 , amberlite IRA-400 Cl Resin 25 , and TiCl4 26 , etc. This paper constitutes the continuation of our previous works aiming to develop synthetic methods that respect the environment, leading to a wide variety of heterocyclic compounds biologically active using heterogeneous catalysts based on phosphate fertilizers [27][28][29][30] . The novelty of this work is the synthesis of a new bimetallic phosphate/Aluminium complex "Al/Ag3PO4", on the one hand, and its use for the first time as a new heterogeneous bimetallic catalyst in the synthesis of naphthoxazin-3-one derivatives on the other.…”
Section: Introductionmentioning
confidence: 98%