Short communication Applied Chemistry
1. Synthesis and characterization of Schiff-base polymer derived from 2,5-dichloroaniline and 2-hydroxybenzaldehyde

Milad Kazemnejadi; Aliakbar Dehno Khalaji; Hossein Mighani

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 237-241

Abstract
  Schiff base sal-2,5-Clan = 2-(2,5-dichlorobenzylideneamino)phenol used as a new precursor for preparation of poly-2-(2,5-dichlorobenzylideneamino)phenol (PDCBAP). In an aqueous alkaline medium, NaOCl oxidant is capable of oxidative poly-condensation reaction (OP). Both sal-2,5-Clan and PDCBAP were characterized ...  Read More

Synthesis and characterization of Schiff-base polymer derived from 2,5-dichloroaniline and 2-hydroxybenzaldehyde


Original Research Article Analytical chemistry
2. Simultaneous determination of Tropaeolin O and brilliant blue in food samples after cloud point extraction

Rouhollah Heydari; Farzaneh Bastami; Mohammad Hosseini; Mohammad Alimoradi

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 242-251

Abstract
  In this study, a simple and low-cost method was developed for extraction and pre-concentration of brilliant blue(BB) and Tropaeolin O(TO) in food samples using cloud point extraction (CPE) prior to spectrophotometric determination. The effects of main factors such as pH, surfactant and salt concentrations, ...  Read More

Simultaneous determination of Tropaeolin O and brilliant blue in food samples after cloud point extraction


Original Research Article Organic chemistry
3. Benign synthesis of N-aryl-3,10-dihydroacridin-1(2H)-one derivatives via ZnO nanoparticle-catalyzed Knoevenagel condensation/intramolecular enamination reaction

Hamid Saeidian; Farzaneh Moradnia

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 252-261

Abstract
  An efficient construction of 2-(N-arylamino)benzaldehydes and N-aryl-3,10-dihydroacridin-1(2H)-one derivatives starting from 2- hydroxybenzaldehydes has been developed. The synthesis of N-aryl-3,10-dihydroacridin-1(2H)-ones is based on the Knoevenagel condensation of dimedone to various 2-(N-arylamino)benzaldehydes, ...  Read More

Benign synthesis of N-aryl-3,10-dihydroacridin-1(2H)-one derivatives via ZnO nanoparticle-catalyzed Knoevenagel condensation/intramolecular enamination reaction


Original Research Article Organic chemistry
4. A green synthesis of functionalized thiazol-2(3H)-imine via a three-component tandem reaction in ionic liquid media

Ashraf Sadat Shahvelayati; Leila Hajiaghababaei; Akram Panahi Sarmad

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 262-267

Abstract
  In this research, an efficient synthesis toward 2-(2-((4-Methoxybenzoyl)imino)-4-(4-methoxyphenyl)thiazol-3(2H)-yl)-2-phenylacetic acid via a three-component tandem reaction using aroylisothiocyanate, phenyl glycine, and 4-methoxyphenacyl bromide in an ionic liquid (IL) has been described. 1-Methyl-3-pentylimidazolium ...  Read More

A green synthesis of functionalized thiazol-2(3H)-imine via a three-component tandem reaction in ionic liquid media


Original Research Article Organic chemistry
5. N-methyl pyridinium-p-toluene Sulfonate (NMPyTs) catalyzed synthesis of pyrano[2,3-c]pyrazoles

DR. Vinod T. Kamble; Dr. Giribala Bondle; Dr. Sandeep T Atkore

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 268-277

Abstract
  Abstarct:A simple one-pot synthesis of pyrano[ 2,3-c]pyrazoles was developed by a three-component reaction of various benzaldehydes, malononitrile and 1-phenyl or hydro-3-methyl-1H-pyrazol-5(4H)-one in the presence of N-methyl pyridinium p-toluene sulfonate (NMPyTs) as a catalyst. All of the synthesized ...  Read More

N-methyl pyridinium-p-toluene Sulfonate (NMPyTs) catalyzed synthesis of pyrano[2,3-c]pyrazoles


Original Research Article Organic chemistry
6. Separation identification and antioxidant evaluation of zingiber officinale essential oil

Ali Saberi; Mehri Alimohammadi

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 278-285

Abstract
  Usage of herbal medicine has been under so much attention for many years. They are gradually replacing synthetic drugs in pharmaceutical fields due to their fewer side effects. Nowadays, essential oils are widely used for the treatment of diseases as well as being applied as pesticide. In this study, ...  Read More

Separation identification and antioxidant evaluation of zingiber officinale essential oil


Original Research Article Physical chemistry
7. Application of the extended solvation theory to study the interaction of β-CD with interpolymer of PEO and PAA

Bahman Vasheghani Farahani; Golamreza Rezaei Behbahani; Monir Shalbafan

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 286-292

Abstract
  Thermodynamic study on the interaction of β-CD with poly ethylene oxide and poly acrylic acid was performed by isothermal titration calorimetry at 298K. when β-CD is added to the interpolymer complex, competition is created between host-guest and Hydrogen bond. Enthalpy of interaction between ...  Read More

Application of the extended solvation theory to study the interaction of β-CD with interpolymer of PEO and PAA


Original Research Article Organic chemistry
8. LaCl3.7H20: An efficient catalyst for one-pot multi-component synthesis of 1,4-polyhydroquinoline derivatives through unsymmetrical Hantzsch reaction

Abhijeet Somwanshi; Yashwant Bhaskar Pandit; Akash Gholap; Rushikesh Ghogare; Shivaji Pandit

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 293-300

Abstract
  An efficient one pot multi component synthesis of 1, 4-Polyhydroquinoline derivatives through unsymmetrical Hantzsch reaction using lanthanum chloride heptahydrate (LaCl3.7H2O) from an aromatic aldehyde, ethyl acetoacetate, dimedone and ammonium acetate as a nitrogen precursor in ethanol at room temperature ...  Read More

LaCl3.7H20: An efficient catalyst for one-pot multi-component synthesis of 1,4-polyhydroquinoline derivatives through unsymmetrical Hantzsch reaction


Original Research Article Physical chemistry
9. Theoretical study on the mechanism of stable phosphorus ylides derived from 5-aminoindazole in the presence of different dialkyl acetyelenedicarboxylates

Mohammad Zakarianezhad; Motahare Shool

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 301-307

Abstract
  In the recent work, the reaction mechanism between triphenylphosphine 1, dialkyl acetylenedicarboxylates 2 in the presence of NH-acid, such as 5-aminoindazole 3 were investigated theoretically. Quantum mechanical studies were performed for evaluation of potential energy surfaces of all structures participated ...  Read More

Theoretical study on the mechanism of stable phosphorus ylides derived from 5-aminoindazole in the presence of different dialkyl acetyelenedicarboxylates


Original Research Article Organic chemistry
10. 1,3-Dichloro-5,5-dimethyl hydantoin and Poly N,N′-dibromo-N-ethyl naphthyl-2,7-disulfonamide as efficient catalysts for the methoxymethylation of alcohols under solvent-free conditions

Abbas Amini Manesh; Ardeshir Khazaei; Maedeh Gohari; Mahdieh Chegeni; Shahnaz Saednia

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 308-314

Abstract
  Methoxymethylation of a variety of alcohols was performed using formaldehyde dimethyl acetal in the presence of 1,3-dichloro-5,5-dimethyl hydantoin [DCDMH] and Poly N,N′-dibromo-N-ethyl naphthyl-2,7-disulfonamide [PBNS] as catalysts at room temperature and under solvent-free conditions. Our experiments ...  Read More

1,3-Dichloro-5,5-dimethyl hydantoin and Poly N,N′-dibromo-N-ethyl naphthyl-2,7-disulfonamide as efficient catalysts for the methoxymethylation of alcohols under solvent-free conditions


Original Research Article Analytical chemistry
11. Water quality and sedimentary analyses of Siddheshwar dam (India) for assessing irrigational suitability

Parveen Rajjak Shaikh; Isak Rajjak Shaikh; Arjun Bapurao Bhosle

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 315-337

Abstract
  The physico-chemical properties of water and sediments therein were analyzed for assessing the suitability of Siddheshwar dam (India) waters for irrigation purpose. The physical parameters include total dissolved solids and electrical conductivity. The chemical parameters studied include pH, free carbon ...  Read More

Water quality and sedimentary analyses of Siddheshwar dam (India) for assessing irrigational suitability


Original Research Article Organic chemistry
12. H3PW12O40 as an efficient catalyst for one-pot- tricomponent synthesis of chromeno[4,3-b]quinolones under microwave irradiation

Radineh Motamedi; Sara Sobhani; Farshid Barani

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 338-344

Abstract
  Some Chromeno[4,3-b]quinoline derivatives were synthesized in a tricomponents one-pot reaction of 1,3-cyclohexadione arylaldehydes and 4-aminocoumarin under Microwave irradiation in the solventless system by using a heteropolyacid catalyst ,H3[PW12O40] in 80-95% yields and high rates. The shorter reaction ...  Read More

H3PW12O40 as an efficient catalyst for one-pot- tricomponent synthesis of chromeno[4,3-b]quinolones under microwave irradiation


Original Research Article Inorganic chemistry
13. Synthesis, biological and molecular modeling studies of macrocyclic complexes of trivalent metal ions

Vikas Sangwan; Dharam Pal Singh

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 345-351

Abstract
  The macrocyclic complexes of biological importance with power transition metals are synthesized by template methodology leading to the formation of the complex [MLX] X2; where L is macrocyclic ligand derived from 3,4-diaminotoluene, 2,4-thiazolidinedione, M=Cr (III) and Fe(III) X is Cl-, CH3COO- or NO3_.Characterisation ...  Read More

Synthesis, biological and molecular modeling studies of macrocyclic complexes of trivalent metal ions


Original Research Article Organic chemistry
14. Reusable Silica supported Perchloric acid and potassium bisulphate as green catalysts for thiocyanation of aromatic compounds under solvent free conditions

Chinna Rajanna Kamatala; Hemanth Sriram Y.; Satish Kumar Mukka; Venkateswarlu Marri; Touheeth Fatima; Sai Sudhakar Mukka; Madhusudan Raju R.

Volume 5, Issue 3, pp. 237-363, Serial No. 16 , Summer 2017, Pages 352-363

Abstract
  Reusable silica supported perchloric acid and potassium bisulphate have been prepared and explored as green catalysts for thiocyanation of aromatic compounds under conventional and solvent free microwave assisted conditions. The microwave assisted protocol exhibited remarkable rate accelerations and ...  Read More

Reusable Silica supported Perchloric acid and potassium bisulphate as green catalysts for thiocyanation of aromatic compounds under solvent free conditions