untitled Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii European Journal of Chemistry ISSN 2153‐2249 (Print) / ISSN 2153‐2257 (Online)  2011 EURJCHEM DOI:10.5155/eurjchem.2.4.ii‐vii.547 European Journal of Chemistry An I n t e r n a t i o n a l O p e n A c c e s s J o u r n a l Graphical Contents Volume 2, Issue 4, 31 December 2011 European Journal of Chemistry 2 (4) (2011) 433‐400 Preparation and evaluation of a set of bis(methoxycarbonylmethylthio) heteroquinones as CDC25B phosphatase inhibitors Tatiana Besset, Emmanuelle Braud, Rafika Jarray, Christiane Garbay, Stéphanie Kolb, Pierre‐Marc Léo and Christophe Morin European Journal of Chemistry 2 (4) (2011) 441‐447 Electrochemical study of the metal extractant 4‐chloro‐N‐8‐quinolinylbenzenesulfonamide Marta Huebra and María Puy Elizalde European Journal of Chemistry 2 (4) (2011) 448‐454 Derivation of Gordy’s scale and computation of some useful descriptors of chemical reactivity Nazmul Islam Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii iii European Journal of Chemistry 2 (4) (2011) 455‐462 Novel 4(3H)‐quinazolinones containing biologically active thiazole, pyridinone and chromene of expected antitumor and antifungal activities Khairy Abdel Hameed Mohsen El‐Bayouki, Wahid Mohamed Basyouni, Yahia Abdel Fatah Mohamed, Mohsen Mohamed Aly and Samir Youssef Abbas European Journal of Chemistry 2 (4) (2011) 463‐468 Decolorization of methylene blue by new fungus: Trichaptum biforme and decolorization of three synthetic dyes by Trametes hirsuta and Trametes gibbosa Hossein Eshghi, Zahra Alishahi, Mahmood Zokaei, Aboulfazl Daroodi and Elahe Tabasi European Journal of Chemistry 2 (4) (2011) 469‐474 A DFT study for the structures and electronic spectra of 2,3‐dihydropyridine‐4‐ones Bahjat Ali Saeed and Rita Sabah Elias European Journal of Chemistry 2 (4) (2011) 475‐479 Synthesis and reactions of (Z)‐2‐imino‐5‐(3,4,5‐trimethoxy benzylidene)thiazolidin‐4(H)one Mahmoud Refaee Mahmoud, Hassan Mohamed Fawzy Madkour, Eman Abd El‐Fattah El‐Bordany and El‐Sayed Ahmed Soliman iv Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii European Journal of Chemistry 2 (4) (2011) 480‐484 Synthesis, spectral characterization, electrochemical and anti‐microbial activities of new binuclear Schiff base metal complexes derived from 3,3’ diaminobenzedine Poomalai Jayaseelan, Selladurai Prasad, Subramanian Vedanayaki and Rangappan Rajavel European Journal of Chemistry 2 (4) (2011) 485‐488 Accurate improvement of a mathematical correlation for estimating diffusion coefficient in gaseous hydrocarbons Mohammad Mohsen Sarafraz, Mohammad Jamshidnejad, Ahmad Arabi Shamsabadi, Saeed Laki and Hadi Ajami European Journal of Chemistry 2 (4) (2011) 489‐494 Studies on ion‐pairing effects of the kinetics of aquation of bromopentaammine cobalt(III) complex in malonate media Farah Samih Zeitouni, Gehan Moustafa El‐Subruiti, Ghassan Omar Younes and Mohammad Fawzi Amira European Journal of Chemistry 2 (4) (2011) 495‐498 An efficient synthesis of quinoxalines catalyzed by monoammonium salt of 12‐tungstophosphoric acid Vijayalakshmi Kunkuma, Lakshmi Anu Prabhavathi Devi Bethala, Yadagiri Bhongiri, Badari Narayana Prasad Rachapudi and Seetharamanjaneya Sai Prasad Potharaju Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii v European Journal of Chemistry 2 (4) (2011) 499‐502 Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18‐crown‐6 (DB18C6) as carrier Azizollah Nezhadali and Fatemeh Moein Pour European Journal of Chemistry 2 (4) (2011) 503‐508 Synthesis and microstructure studies of nano‐sized cerium‐zinc phosphates Adly Abdella Hanna, Sahar Mohamed Mousa, Marwa Adel Sherief and Gehan Mahmoud Elkomy European Journal of Chemistry 2 (4) (2011) 509‐513 Synthesis of some new of thieno[2,3‐b]pyridines, pyrazolo[1,5‐a]pyrimidine, [1,2,4]triazolo[1,5‐a]pyrimidine, pyrazolo[5,1‐c]triazine and pyrimido[1,2‐a]benzimidazole derivatives containing pyridine moiety Mahmoud Abdallah Mohamed, Eman Kamal Ahmad Abdelall, Yasser Hassan Zaki and Abdou Osman Abdelhamid European Journal of Chemistry 2 (4) (2011) 514‐518 Synthesis and reactions of 3‐aminotetrachloroquinazolin‐2,4‐dione Mamdouh Adly Hassan, Ahmed Mohamed Mosalem Younes, Mohamed Mobark Taha and Abou‐Bakr Haredy Abdel‐Monsef vi Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii European Journal of Chemistry 2 (4) (2011) 519‐523 Statistical analysis in enrichment of total whey protein by continuous foam fractionation method Goutam Mukhopadhyay, Jasmina Khanam, Arunabha Nanda, Nripendra Nath Bala and Won Chun Oh European Journal of Chemistry 2 (4) (2011) 524‐534 A quick method for surveillance of 59 pesticide residues in fruits and vegetables using rapid three‐dimensional gas chromatography (GC/MSD/µ‐ECD/FPD) and LC/MS‐MS Gouri Satpathy, Yogesh Kumar Tyagi and Rajinder Kumar Gupta European Journal of Chemistry 2 (4) (2011) 535‐538 Phytochemical studies on Diplotaxis harra growing in Sinai Emad Mahrous Atta, Ahmed Ismail Hashem, Ahmed Morsy Ahmed, Salah Mohamed Elqosy, Marsyl Jaspars and Eman Ramadan El‐Sharkaw European Journal of Chemistry 2 (4) (2011) 539‐543 Synthesis and biological activity of functionalized phosphorus derivatives of isatin imines Emtithal Ahmed El‐Sawi, Tahia Bayoumy Mostafa and Hyam Ali Radwan Graphical Contents / European Journal of Chemistry 2 (4) (2011) ii‐vii vii European Journal of Chemistry 2 (4) (2011) 544‐551 Reactions with hydrazonoyl halides 66: Synthesis of some new 1,3,4‐thiadiazoles, triazolino[4,3‐a]pyrimidines and isoxazolo[3,4‐d]pyridazines containing coumarin moiety Abdou Osman Abdelhamid, Abdelgawad Ali Fahmi and Abeer Bahlol Ali European Journal of Chemistry 2 (4) (2011) 552‐557 Fused and spiro nitrogen heterocycles of quinuclidine and its C‐nucleosides Hanafi Hassan Zoorob, Wafaa Salama Hamama and Osama Abd El‐Magid European Journal of Chemistry 2 (4) (2011) 558‐560 Computer aided discovery of benzimidazole derivatives on peptide deformylase as antimicrobial agent using hex Ramaraj Sivakumar, Ramachanran Vasanthakumari Pradeepchandran and Korlakunta Narasimha Jayaveera European Journal of Chemistry 2 (4) (2011) 561‐565 Phytochemical constituents and biological activities of Erythrina indica Faheem Amir, Wan Sinn Yam and Yen Chin Koay