IR @ Goa University

Browsing School of Chemical Sciences by Author "Asolkar, R.N."

Browsing School of Chemical Sciences by Author "Asolkar, R.N."

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  • An efficient synthesis of Lactarochromal from 6-amino-2,2-dimethylchroman-4-one 
    Kamat, V.P.; Asolkar, R.N.; Kirtany, J.K. (Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 51(12); 2012; 1761-1762.)
    Lactarochromal 1, a metabolite of Lactarius deliciosus, has been synthesised starting from 6-amino-2,2-dimethylchroman-4-one 3, which in turn, is prepared from paracetamol via the known intermediates. The amino compound 3 ...
  • 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 ...
  • A short and facile synthesis of lactarochromal and the corresponding acid 
    Kamat, V.P.; Asolkar, R.N.; Kirtany, J.K. (Journal of Chemical Research (S); 2001; 41-41.)
    Lactarochromal (1), a metabolite of Lactarius deliciosus and the corresponding acid (2), also a natural product from Chrysohamnus viscidiflorus have been synthesized starting from p-cresol.
  • Synthesis of flavans: One-pot synthesis of flavans from 4-methylcoumarins 
    Kamat, V.P.; Asolkar, R.N.; Kirtany, J.K. (Synthetic Communications. 28(24); 1998; 4581-4587.)
    4-Methylcoumarins (2), obtained by condensation of suitable phenols (1) with ethyl acetoacetate in the presence of sulfuric acid, lead directly to flavans (3) when refluxed with sodium hydroxide and ethanediol.
  • Synthesis of maritimin, a chromone from Pancratium maritimum 
    Asolkar, R.N.; Kamat, V.P.; Kirtany, J.K. (Journal of Chemical Research (S); 2001; 549-550.)
    The synthesis of maritimin (1), a chromone from Pancratium maritimum L., is described.
  • Synthesis of the unusual product of the photolysis of 6-methoxybenzofuran-2,3-dione and styrene 
    Kamat, V.P.; Asolkar, R.N.; Kirtany, J.K. (Indian Journal of Chemistry Section B-Organic Chemistry Including Medicinal Chemistry. 37(12); 1998; 1269-1270.)
    The structure 1, assigned by Paknikar and Kirtany (Photochem Photobiol, 35, 1982, 741) to one of the products, 3-(2'-hydroxy-C-methoxyphenyl)-4-phenyl-2(5H)-furanone obtained by the photolysis of 6-methoxybenzofuran-2,3-dione ...

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