Chemical Sciences: Recent submissions

  • 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. ...
  • Intramolecular Wittig reactions. A new synthesis of coumarins and 2-quinolones 
    Desai, V.G.; Shet, J.B.; Tilve, S.G.; Mali, R.S. (Journal of Chemical Research. 2003(10); 2003; 628-629.)
    o-Hydroxybenzaldehydes (1a-d) on reaction with chloroacetyl chloride in presence of pyridine followed by addition of triphenyl phosphine and base gave coumarins (2a-d). A similar sequence of reactions on o-aminoacetophen ...
  • Sodium metaperiodate oxidation of isocarvacrol 
    Kamat, S.P.; D'Souza, A.M.; Paknikar, S.K. (Journal of Chemical Research. 2003(7); 2003; 395-397.)
    Sodium metaperiodate oxidation of isocarvacrol 8, a monoterpene phenol has been found to give hydrothymoquinone 13, a natural product and a ring cleavage product 7-oxo-5-isopropyloct-3-en-2,5-olide 14.
  • UVA light-induced DNA cleavage by isomeric methylbenz[a]anthracenes 
    Dong, S.; Fu, P.P.; Shirsat, R.N.; Hwang, H.M.; Leszczynski, J.; Yu, H. (Chemical Research in Toxicology. 15(3); 2002; 400-407.)
    UVA light-induced DNA single strand cleavage by a set of 12 monomethyl substituted benz[a]anthracenes (MBAs) along with their parent compound, benz[a]anthracene (BA), and the potent carcinogen, 7,12-dimethylbenz[a]anthracene ...
  • A convenient one-pot synthesis of 4-methyl-3-phenyl-, 3-aryl- and 3-aryl-4-phenylcoumarins 
    Kamat, S.P.; D'Souza, A.M.; Paknikar, S.K.; Beauchamp, P.S. (Journal of Chemical Research. (5); 2002; 242-246.)
    Thermal condensation of 2'-hydroxyacetophenones 1a-e with phenylacetic acid 2a in refluxing diphenyl ether gives 4-methyl-3-phenylcoumarins 3a-e. Similarly, reaction of 2-hydroxybenzaldehydes 1f-m and 2-hydroxybenzophenones ...
  • Reaction of model sulphite oxidase with dimethylsulphite 
    Chaudhury, P.K.; Nagarajan, K.; Srinivasan, B.R.; Sarkar, S. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 41; 2002; 139-140.)
  • Ethylenediammonium tetrathiotungstate(VI) 
    Srinivasan, B.R.; Dhuri, S.N.; Naether, C.; Bensch, W. (Acta Crystallographica Section E-Structure Reports Online. 58; 2002; M622-M624.)
    The structure of the title complex, (C2H10N2)[WS4], consists of tetrahedral [WS4]2- anions which are connected to the organic ethylenediammonium dications via hydrogen bonding. All atoms are located in general positions.
  • Synthesis, characterization and thermal studies of magnesium (II) complexes of ortho and para-aminobenzoic acids 
    Srinivasan, B.R.; Sawant, S.C.; Dhuri, S.N. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 41(2); 2002; 290-296.)
    The reaction of magnesium carbonate with ortho or para-aminobenzoic acid results in the formation of the complexes [Mg(H2O)(6)](X)(2).2H(2)O (X=2-aminobenzoate (2-aba) 1 and X=4-aminobenzoate (4-aba) 2). The 2-aminobenzoate ...
  • Limnazine, the first bacterial azine derivative from Bacillus sp GW90a 
    Asolkar, R.N.; Kamat, V.P.; Wagner-Dobler, I.; Laatsch, H. (Journal of Natural Products. 65(11); 2002; 1664-1666.)
    A novel dimeric azine derivative designated as limnazine (1) has been isolated from the culture broth of an aquatic Bacillus sp.strain GW90a. The structure has been elucidated, on the basis of spectral data, as ...

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