مرور Volume 5, Issue 4, pp. 364-493, Serial No. 17 بر اساس عنوان
در حال نمایش موارد 1 - 12 از 12
-
Cu(II)-Schiff base/SBA-15 as an efficient catalyst for synthesis of chromeno [4′,3′-b]pyrano[6,5-b]quinoline derivatives
(Ilam, Payame Noor University, 2017-10-01)Some chromeno[4′,3′-b]pyrano[6,5-b]quinoline derivatives were synthesized by condensation of 2-amino-4-aryl-3-cyano-5-oxo-4H, 5H -pyrano-[3,2-c] chromenes and 1,3-cyclohexanedione in an environmentally benign and efficient ...
-
Determination of trace amounts of chromium ions in water and food samples using ligand-less solid phase extraction-based modified nano-boehmite(AlOOH)
(Ilam, Payame Noor University, 2017-10-01)Chromium is one of the hazardous pollutants in industrial effluents. In this study, a new nano-boehmite modified with sodium dodecyl sulphate is developed for preconcentration trace amounts of chromium ions as a prior step ...
-
Essential oil composition of Cleome heratensis (Capparaceae) at different growing stages
(Ilam, Payame Noor University, 2017-10-01)In this study, the essential oil content in the aerial parts of Cleome heratensis which is growing in the east of Iran was investigated. The aerial parts of the plant were collected from the late August to October 2014, ...
-
Fe3O4@SiO2-SO3H as a recyclable heterogeneous nanomagnetic catalyst for the one-pot synthesis of substituted quinolines via Friedländer heteroannulation under solvent-free conditions
(Ilam, Payame Noor University, 2017-10-01)An efficient method has been developed for the Friedländer synthesis of substituted quinolines through a condensation reaction of 2-aminoaryl ketones with α-methylene ketones in the presence of a catalytic amount of nano ...
-
Green and efficient synthesis of functionalized 3-amino-2-oxofuranes using trityl chloride
(Ilam, Payame Noor University, 2017-10-01)Extremely facile and efficient procedure has been developed for the synthesis of alkyl 2,5-dihydro-2-oxo-5-aryl-3-(arylamino) furan-4-carboxylate in the presence of trityl chloride (TrCl) as an organic catalyst in ethanol ...
-
Green synthesis of nano size CoFe2O4 using Chenopodium album leaf extract for photo degradation of organic pollutants
(Ilam, Payame Noor University, 2017-10-01)Green synthesis of nanoparticles makes use of environmental friendly, non-toxic and safe reagents. In this study, we synthesised CoFe2O4 in a green approach, using leaf extract of Chenopodium album. The structure of the ...
-
Kinetics of photocatalytic degradation of methylene blue by ZnO-bentonite nanocomposite
(Ilam, Payame Noor University, 2017-10-01)The present study reports, the synthesis of ZnO-bentonite nanocomposite by the incorporation of ZnO with bentonite clay. The nanocomposite was characterised by XRD and SEM. ZnO-bentonite was effectively used for removal ...
-
One-pot, organocatalytic synthesis of spirooxindoles using citric acid in aqueous media
(Ilam, Payame Noor University, 2017-10-01)Spirooxindoles are important synthetic targets possessing extended biological activity and drug discovery applications.The development of multicomponent reactions designed to produce elaborate biologically active ...
-
Silica bonded n-propyl-1,3,5-triazine-2,4,6-triamine as a basic catalyst for synthesis of arylmethylenemalononitrile and pyran annulated heterocyclic compounds
(Ilam, Payame Noor University, 2017-10-01)In the present research, silica bonded n-propyl-1,3,5-triazine-2,4,6-triamine (SPTT) was synthesized by direct incorporation of chloropropyl groups through co-condensation of tetraethyl orthosilicate (TEOS) and 3-chloropropyl ...
-
Synthesis, spectroscopic (NMR and FT-IR) and theoretical (HF and DFT) investigation of dimethyl (Z)-2-[(2-methyl-5-oxo-1-cyclopentyl)oxy]-2-butendioate
(Ilam, Payame Noor University, 2017-10-01)Dimethyl (z)-2-[(2-methyl-5-oxo-1-cyclopentyl)oxy]-2-butenedioate has been synthesized using one-pot three component reaction between N-isocyaniminotriphenylphosphorane (Ph3PNNC), 3-methylcyclopentene-1,2-dione and dimethyl ...
-
A theoretical study on quadrupole coupling parameters of HRPII Protein modeled as 310-helix & α-helix structures
(Ilam, Payame Noor University, 2017-10-01)A fragment of Histidine rich protein II (HRP II 215-236) was investigated by 14N and 17O electric field gradient, EFG, tensor calculations using DFT. This study is intended to explore the differences between 310-helix and ...
-
Ultrasound assisted dichlorocarbene addition to 1,3-bis(allyloxy)-5-methylbenzene under biphasic condition: A kinetic study
(Ilam, Payame Noor University, 2017-10-01)A new multi-site phase-transfer catalyst (MPTC), viz., N,N'-dioctyl-4,4'-bipyridium dibromide containing bi-site was prepared and proved by FT-IR, 1H NMR, 13C NMR, mass and elemental analysis. The enhancement of ...
