Chemical Sciences: Recent submissions

  • Biogenetic-type synthesis of (+)-cymbodiacetal, a constituent of Cymbopogon martinii 
    D'Souza, A.M.; Paknikar, S.K.; Dev, V.; Beauchamp, P.S.; Kamat, S.P. (Journal of Natural Products. 67(4); 2004; 700-702.)
    A biogenetic-type synthesis of (+)-cymbodiacetal (1), a novel bismonoterpenoid dihemiacetal, is described.
  • Electrical characteristics of TiO2 synthesized from different precursors 
    Mhalsikar, R.G.; Pednekar, R.; Rane, K.S. (Inorganic Materials. Recent Advances, Ed. By: D. Bahadur; S. Vitta; O. Prakash. Narosa Publishing House, New Delhi. 2004; 469-471.)
  • Catalytic oxidation of benzyl alcohol by Al3+ doped manganese oxide of the type OMS-2 using molecular oxygen or air 
    Rebello, J.S.; Naik, S.P.; Fernandes, J.B. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 43(8); 2004; 1676-1679.)
    The oxidation of benzyl alcohol to benzaldehyde using molecular oxygen over manganese oxides of the type OMS-2 is reported. It is observed that Al3+- doped OMS-2 has significantly higher activity (similar to 58 percent) ...
  • Thermal and Spectroscopic characterization of Mg (II) complexes of nitro substituted benzoic acids 
    Srinivasan, B.R.; Sawant, S.C. (Thermochimica Acta. 402; 2003; 45-56.)
    The Mg(II) complexes of the nitro-substituted benzoic acids have been investigated by thermal and spectroscopic methods. Thermogravimetry (TG), differential thermal analysis (DTA), differential scanning calorimetry (DSC), ...
  • 1,4-dimethylpiperazinium tetrathiotungstate(VI) 
    Srinivasan, B.R.; Dhuri, S.N.; Naether, C.; Bensch, W. (Acta Crystallographica Section E-Structure Reports Online. 59; 2003; M681-M683.)
    The title complex, (C6H16N2)[WS4], consists of tetrahedral [WS4](2-) dianions and organic dications.There are two crystallographically independent 1,4-dimethylpiperazinium (1,4-dmpH(2)) dications in the asymmetric unit, ...
  • Synthesis, spectroscopic and X-ray structure characterization of ethylenediammonium chromate and ethylenediammonium dichromate 
    Srinivasan, B.R.; Dhuri, S.N.; Naether, C.; Bensch, W. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 42; 2003; 2735-2741.)
    The reaction of ethylenediammonium chloride (enH2)Cl2 with potassium chromate or dichromate in a 1:1 mole ratio results in the formation of the title complexes ethylenediammonium chromate (enH2)[CrO4] 1 and ethylenediammonium ...
  • 1,3-Propanediammonium tetrathiotungstate and N,N,N',N'-tetramethylethylenediammonium tetrathiotungstate 
    Srinivasan, B.R.; Dhuri, S.N.; Naether, C.; Bensch, W. (Acta Crystallographica Section C-Crystal Structure Communications. 59; 2003; M124-M127.)
    The title complexes, (C3H12N2)[WS4] and (C6H18N2)[WS4], contain tetrahedral [WS4](2-) dianions, which accept a complex series of hydrogen bonds from the organic dications. The strength and number of these hydrogen bonds ...
  • Piperazinium Chromate(VI) 
    Srinivasan, B.R.; Naether, C.; Bensch, W. (Acta Crystallographica Section E-Structure Reports Online. 59; 2003; m639-m641.)
    The structure of the title complex, (C4H12N2)[CrO4], consists of tetrahedral [CrO4]2- dianions which are connected to the cyclic organic piperazinium dications via hydrogen bonding. All the atoms are located in general positions.
  • Synthesis of olivacene, a constituent of Archilejeunea olivacea 
    Kamat, S.P.; D'Souza, A.M.; Paknikar, S.K. (Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 42(10); 2003; 2662-2664.)
    A simple synthesis of olivacene 1, a naturally occurring sesquiterpenoid hydrocarbon isolated from Archilejeunea olivacea has been described.
  • Bound and continuum vibrational states of the bifluoride anion 
    Spirko, V.; Sindelka, M.; Shirsat, R.N.; Leszczynski, J. (Chemical Physics Letters. 376(5and6); 2003; 595-605.)
    The energies of the bound vibrational states and energy density spectra of the continuum vibrational states of FHF-are calculated, 'exactly' and 'adiabatically', using a new ab initio (CCSD(T)) potential energy surface. ...

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