The e-book includes articles written by way of prime professionals of their respective fields of analysis. It offers present frontiers and destiny guidance for study in keeping with vital discoveries made within the box of bioactive ordinary products.- quantity 28 is a part of an outstanding family members of valuable reference books- Illustrates the categories of severe discoveries that emerge from the interface of chemistry and biology- Contributions are from well-respected authors
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All compounds were characterised by spectroscopic methods including mono- and bidimensional NMR techniques. Fig. (5). OCH, 41 50 42 43 44 45 46 47 R = glc R«gal R-rha R«glc R-rhi R'^CHj R-'R^'H R'«CHj R-'-R'-^H R'-R^^H R"«CHj R'=R'"=CH3 R*»H R'-R^-CHj R--H In particular compound 40 was purified by Sephadex LH-20 column from the chloroform-methanol extract, while compounds 41-42 were obtained similarly by using Sephadex LH-20 column and Lobar Lichroprep RP 8 chromatography. The structures and molecular formulas of these new derivatives were determined bv positive ion FAB MS and UV spectra, ID and 2 D - ' H , ' ^ C , and C DEPT NMR data.
J. Am. Chem. Soc, 1973, 95,512-519. ; Kakisawa, H. J. Am. Chem. Soc, 1991, 113,4092-4096. ; Kusano, G. Chem. Pharm. Bull, 2001,49, 504-506. ; Takahashi, K. Chem. , 1980,339-340. ; Nomura, T. Chem. Pharm. , 1986,34,1987-1993. D. J. Nat. , 2001, 64,1286-1293. -M. Biochem. Pharmacol, 2001, 61,939-946. -M. J. Nat. , 1996,59, 834-838. -N. Eur. J. Pharmacol, 1997, 320, 201-208. -N. J. Nat. Prod, 1997, 60,1008-1011. M. Nat. , 1995,;, 1046-1051. J. Biochem. Biophys. Res. , 1996, 227,484-488. ; Nomura, T.
S), 1979, 61. ; Somanathan, R. Phytochemistry, 1983, 22, 2847-2850. H. Phytochemistry, 1984, 23,929-931. J. Liebigs Ann. , 1987, 1123-1124. L. Phytochemistry, 1990,29, 3993-3995. V. All rights reserved. 35 CHEMICAL AND BIOLOGICAL STUDIES ONLICANIA GENUS ALESSANDRA B R A C A \ ANNA RITA BILIA^ JEANNETTE MENDEZ^ COSIMO PIZZA^ IVANO MORELLl\ NUNZIATINA DE TOMMASf ^ Dipartimento di Chimica Bioorganica e Biofarmacia, Universitd di Pisa, Via Bonanno 33, 56126, Pisa, Italy ^ Dipartimento di Scienze Farmaceutiche, Universitd di Firenze, Via Gino Capponi 9, 55100 Firenze, Italy ^ Grupo de Productos Naturales, Centra de Quimica Organica, Escuela de Quimica, Facultad de Ciencias, Universidad Central de Venezuela, Apartado de Correos 47102, Caracas 1020'A, Venezuela "^ Dipartimento di Scienze Farmaceutiche, Universitd di Salerno, Via Ponte Don Melillo, 84084 Fisciano, Salerno, Italy ABSTRACT: This paper reports the ph)^ochemical and biological studies carried out on several species of the Licania genus (Chrysobalanaceae).
Bioactive Natural Products (Part I) by Atta-ur-Rahman