Original Research Article Biochemistry
1. Essential oil composition of Cleome heratensis (Capparaceae) at different growing stages

Mohammad Ali Nasseri; Soheila Behravesh; Ali Allahresani

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 364-371

Abstract
  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, for a total of four harvests (S1-S4). Essential oils were isolated by hydro-distillation. ...  Read More

Essential oil composition of Cleome heratensis (Capparaceae) at different growing stages


Original Research Article Physical chemistry
2. A theoretical study on quadrupole coupling parameters of HRPII Protein modeled as 310-helix & α-helix structures

Fatemeh Elmi; Nasser Hadipour

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 372-380

Abstract
  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 α-helix of HRPII both in the gas phase and in solution. To achieve the aims, ...  Read More

A theoretical study on quadrupole coupling parameters of HRPII Protein modeled as 310-helix & α-helix structures


Original Research Article Physical chemistry
3. Ultrasound assisted dichlorocarbene addition to 1,3-bis(allyloxy)-5-methylbenzene under biphasic condition: A kinetic study

Venugopal Rajendran; Varathan Selvaraj; Kuppusamy Harikumar

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 381-396

Abstract
  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 C-N+ peak intensity at 1179 cm−1 noticed in FT-IR, the agreement of m/z ...  Read More

Ultrasound assisted dichlorocarbene addition to 1,3-bis(allyloxy)-5-methylbenzene under biphasic condition: A kinetic study


Original Research Article Analytical chemistry
4. Determination of trace amounts of chromium ions in water and food samples using ligand-less solid phase extraction-based modified nano-boehmite(AlOOH)

Mohammad Rezaiati; Farhad Salimi; Changiz Karami

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 397-406

Abstract
  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 to its determination by flame atomic absorption spectrometry. We investigated ...  Read More

Determination of trace amounts of chromium ions in water and food samples using ligand-less solid phase extraction-based modified nano-boehmite(AlOOH)


Original Research Article Organic chemistry
5. One-pot, organocatalytic synthesis of spirooxindoles using citric acid in aqueous media

Zahed Karimi-Jaberi; Abdolhossein Fereydoonnezhad

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 407-416

Abstract
  Spirooxindoles are important synthetic targets possessing extended biological activity and drug discovery applications.The development of multicomponent reactions designed to produce elaborate biologically active compounds has become an important area of research in organic, combinatorial, and medicinal ...  Read More

One-pot, organocatalytic synthesis of spirooxindoles using citric acid in aqueous media


Original Research Article Nanochemistry
6. Kinetics of photocatalytic degradation of methylene blue by ZnO-bentonite nanocomposite

Sandip P. Patil; Vilas K. Mahajan; Gunvant H. Sonawane; Vinod S. Shrivastava

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 417-428

Abstract
  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 of Methylene Blue (MB). Removal of MB takes place by photocatalytic degradation and ...  Read More

Kinetics of photocatalytic degradation of methylene blue by ZnO-bentonite nanocomposite


Original Research Article Nanochemistry
7. Green synthesis of nano size CoFe2O4 using Chenopodium album leaf extract for photo degradation of organic pollutants

Fatemeh Mostaghni; Ali Daneshvar; Majid Sakhaie

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 429-435

Abstract
  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 synthesised sample were analyzed by X-ray diffraction methods. The synthesised Photocatalyst ...  Read More

Green synthesis of nano size CoFe2O4 using Chenopodium album leaf extract for photo degradation of organic pollutants


Original Research Article Organic chemistry
8. Green and efficient synthesis of functionalized 3-amino-2-oxofuranes using trityl chloride

Seyed Sajad Sajadikhah; Mahboubeh Zarei

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 436-441

Abstract
  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 at ambient temperature. One-pot three-component reaction of aromatic amines, dimethyl ...  Read More

Green and efficient synthesis of functionalized 3-amino-2-oxofuranes using trityl chloride


Original Research Article Organic chemistry
9. Cu(II)-Schiff base/SBA-15 as an efficient catalyst for synthesis of chromeno [4′,3′-b]pyrano[6,5-b]quinoline derivatives

Radineh Motamedi; Ghasem Rezanejade Bardajee; Somaye Shakeri

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 442-448

Abstract
  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 method by Cu(II)-Schiff base/SBA-15 as an environmentally friendly ...  Read More

Cu(II)-Schiff base/SBA-15 as an efficient catalyst for synthesis of chromeno [4′,3′-b]pyrano[6,5-b]quinoline derivatives


Original Research Article Organic chemistry
10. 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

Ali Ramazani; Masoome Sheikhi Sheikhi; Ali Souldozi; Sang Woo Joo; Hooriye Yahyaei

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 449-470

Abstract
  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 acetylenedicarboxylate. Also, optimized geometry and nuclear magnetic resonance ...  Read More

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


Original Research Article Organic chemistry
11. 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

Jamal Davarpanah; Afzal Zafarpour; Behrooz Tayebi

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 471-483

Abstract
  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 trimethoxysilane (CPTMS) and subsequent grafting the melamine onto the propyl ...  Read More

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


Original Research Article Organic chemistry
12. Fe3O4@SiO2-SO3H as a recyclable heterogeneous nanomagnetic catalyst for the one-pot synthesis of substituted quinolines via Friedländer heteroannulation under solvent-free conditions

Monire Beyki; Mehdi Fallah-Mehrjardi

Volume 5, Issue 4, pp. 364-493, Serial No. 17 , Autumn 2017, Pages 484-493

Abstract
  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 Fe3O4@SiO2-SO3H under solvent-free conditions at 110 °C. The reactions ...  Read More

Fe3O4@SiO2-SO3H as a recyclable heterogeneous nanomagnetic catalyst for the one-pot synthesis of substituted quinolines via Friedländer heteroannulation under solvent-free conditions