Volume 19, Issue 1

 

ارسال های اخیر

  • Sulphuric Acid Adsorbed on Silica Gel. A Remarkable Acetylation Catalyst 

    Bigdeli, Mohammad, A.؛ Nahid, Nikdokht؛ M. Heravi, Majid (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    Sulphuric acid adsorbed on silica gel is a practical and useful catalyst for acetylation of varius alcohols, Phenols and amines.

  • The Role of Boron in Thermal Decomposition of Ammonium Perchlorate 

    Zarrin Ghalam Moghaddam, Abdolsamad؛ Hashemi Pour Rafsanjani, Ali Akbar (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    Simultaneous thermal analysis (STA) method has been applied to study decomposition reactions of AP under a flowing nitrogen atmosphere and static air. Results obtained indicate that a phase transformation occurs prior ...

  • FT-Raman Spectra of Saffron (Crocus Stivus L.); A Possible Method for Standardization of Saffron 

    Aminzadeh, Amanollah (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    FT-Raman Spectra of Saffron (crocus sativus L.) with a partial assignment is reported. Based on the Raman data, it is concluded that main pigments in saffron are crocins and crocetin. It is proposed that the quickly ...

  • A Novel and Efficient Synthesis of New Dixanthones 

    Sharghi, Hashem؛ Tamaddon, Fatemeh؛ Eshghi, Hossein (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    The facile and high yield synthesis of a new series of dibenzophenones in the presence of polyphosphoric acid (PPA) together with their cyclization to corresponding moni and dixanthones are described. The aromatic ...

  • Preparation and Characterization of Ni(II), Co (II) and Cr(III) Complexes with Benzoylamethylenetriphenylphosphine 

    Emad, Ahmad؛ Karami, Kazem (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    The reaction between Ni(II), Co(II), cr(III) bitrates, Ni(II) chloride and ambidentate a-keto ylide benzoylmethylenetriphenylphosphine (BPPY) resulted in isolation of [Ni(BPPY)2](NO3 ...

  • Cycloaddition of Diphenylnitrilimine to 1,5-Benzodiazepines 

    Zinber, Rachid؛ Achour, Redouane؛ El Hajji, Ahmed Jalal؛ Hakan, Asmaa؛ Cherkaui, Mohammed Zoubair (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    The cycloaddition reaction of diphenylnitrilimine on the 1,5-benzodiazepines has been studied. New molecules of triazolobenzodiazepines type have been isolated and characterized.

  • Spectroscopic Study of the Complexation of Meso-Tetraphenylporphyrin with -Acceptors DDQ and TCNE in Chloroform Solution 

    Eslami, Elham؛ Mohajer, Dariush؛ Shamsipur, Mojtaba (Iranian Institute of Research and Development in Chemical Industries (IRDCI)-ACECR, 2000-06-01)
    Formation of the molecular complexes between meso-tetraphenylporphyrin (TPP) and the p-acceptors 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) and tetracyanothylene (TCNE) in chloroform solution was ...