Original Paper
1. Density Functional Theory (DFT), Structural Properties, Natural Band Orbital and Energy Studies of N-(2-Fluorophenyl)-2,6-dimethyl-1,3-dioxan-4-amine

Shahriar Ghammamy; Farzaneh Shomoossi; Amir Lashgari

Volume 1, Issue 3 , Spring 2011, Pages 1-11

Abstract
  In this paper,N-(2-Fluorophenyl)-2,6-dimethyl-1,3-dioxan-4-amine (C12H16FNO2) optimized geometries and frequencies of the stationary point and energies in the ground state using DFT (B3LYP) methods with 6-311Gbasis set. The calculated HOMO and LUMO energies also confirmed that the charge transfer occurred ...  Read More

Original Paper
2. Efficient synthesis of β-hydroxy thiocyanates from epoxides and ammonium thiocyanate using 1,4-bis(triphenylphosphonium)-2-butene dichloride as a new catalyst

Maryam Gorjizadeh; Mozhgan Afshari; Mohammad Azarkish

Volume 1, Issue 3 , Spring 2011, Pages 12-16

Abstract
  1,4-bis(triphenylphosphonium)-2-butene dichloride was developed as a new phase transfer catalyst. This quaternized phosphonium salt catalyzed the regioselective ring opening of epoxides by thiocyanate ion to give β-hydroxy thiocyanates in high yields under mild conditions.  Read More

Original Paper
3. P2O5/Al2O3 as an effieient catalyst for one-pot synthesis of polyhydroquinoline derivatives under solvent-free conditions

Tayebeh Sanaeishoar; Sara Roueen

Volume 1, Issue 3 , Spring 2011, Pages 17-22

Abstract
  The condensation of aromatic aldehydes, dimedone, ethylacetoacetate and ammonium acetate promoted by was Phosphorus pentoxide supported on alumina carried out under solvent-free conditions to afford corresponding polyhydroquinolinederivatives. This method provides several advantages including high yields, ...  Read More

Original Paper
4. Polyethyleneimine-modified super paramagnetic Fe3O4 nanoparticles: An efficient, reusable and water tolerance nanocatalyst.

Hosein Hamadi; Maryam Gholami; Mehdi Khoobi

Volume 1, Issue 3 , Spring 2011, Pages 22-34

Abstract
  A novel magnetically immobilized polyethyleneimine (PEI) fabricated by covalently anchoring on silica coated Fe3O4 nanoparticles (PEI@Si-MNPs) was prepared. The synthesized catalyst was characterized by Fourier transform infrared (FT-IR), thermogravimetric analysis (TGA), X-ray powder diffraction (XRD), ...  Read More

Original Paper
5. β-Cyclodextrain sulfonic acid as a biodegradable solid catalyst in benzoxanthenes synthesis

Mina Cheraghchi; Ali.R Kiasat; Rashid Badri

Volume 1, Issue 3 , Spring 2011, Pages 35-39

Abstract
  A new and efficient synthesis of benzoxanthene drivatives from the three-component condensation reaction ofaryl aldehydes and β-naphthol under solvent-free conditions in the presence of β-cyclodextrin sulfonic acid, as an efficient heterogeneous solid acid catalyst with excellent yields and ...  Read More

Original Paper
6. A New synthesis of functionalized imidazo[2,1-b][1,3]thiazines with thiohydantoins, isocyanides and dialkyl acetylenedicarboxylates

Pegah Mohagheghzadeh; Soheila Ghassamipoor; Mohammad Mehdi Ghanbari; Elham Ahmadi

Volume 1, Issue 3 , Spring 2011, Pages 40-44

Abstract
  The reaction of stoichiometric amounts of dialkyl acetylenedicarboxylates with alkyl isocyanides and 5,5-diaryl thiohydantoins in toluene and catalytic amount of p-TSA afforded imidazo[2,1-b][1,3]thiazines in good overall yields  Read More

Original Paper
7. Reaction between 3-hydroxy pyridine alkyl isocyanides and dialkyl acetylenedicarboxylate: synthesis of 4H-chromenes

Mahsa Mahpeyma; Bita Mohtat

Volume 1, Issue 3 , Spring 2011, Pages 45-48

Abstract
  The reactive intermediate generated by the addition of tert-butyl and 1,1,3,3-tetramethyl butyl isocyanide and cyclohexyl isocyanide to dialkyl acetylenedicarboxylate was trapped by 3-hydroxy pyridine to produce highly functionalized 4H-chromenes in fairly good  yields  Read More

Original Paper
8. A green and efficient method for the preparation of 3, 4-dihydropyrimidin-2(1H)-ones using quaternary ammonium- treated clay in water

Soheil Sayyahi; Sedigheh Jahanbakhshi; Zahra Dehghani

Volume 1, Issue 3 , Spring 2011, Pages 49-56

Abstract
  The reactive intermediate generated by the addition of tert-butyl and 1,1,3,3-tetramethyl butyl isocyanide and cyclohexyl isocyanide to dialkyl acetylenedicarboxylate was trapped by 3-hydroxy pyridine to produce highly functionalized 4H-chromenes in fairly good  yields  Read More