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Browsing Volume 32 by Title

Browsing Volume 32 by Title

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  • An Unplanned Synthesis of Symmetrical 1,3-Disubstituted Ureas 
    SHAHNAZ PERVEEN; SANA MUSTAFA; KHALID MOHAMMED KHAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-17)
    When urea derivatives (N-aryl-N’,N’-dialkyl urea) or (N-aryl-N’-alkyl/aryl urea) 1a-1u react with diethylcarbamyl chloride at 50-60 ºC symmetrical 1,3-disubstituted ureas 2a-2f were formed as major products instead of ...
  • AN UPDATE OF TERPENOIDS, STEROIDS AND BIODIVERSITY OF SEAWEEDS FROM THE COAST OF PAKISTAN 
    ABDUL MAJEED KHAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-19)
    This review article presents the comprehensive update of the ecology, biodiversity and importance of seaweeds. In addition, the article also presents the terpenoidal and steroidal compounds isolated from seaweeds of the ...
  • Vinblastine: A Review 
    INAM-UL.-HAQUE; HINA SARA (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-19)
    Vinblastine sulfate extracted from leaves of Catharanthus roseus is widely used as an anti-cancer drug. Chemically vinblastine is one of the Vinca alkaloids that inhibit the polymerization of tubulin, resulting in the ...

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