Natural Products as Antiviral Agents (eBook, PDF)

Redaktion: Chu, C. K.; Cutler, H. G.

• Format: PDF

Produktbeschreibung

During the past fifty years, thousands of natural products have been isolated from plants, fungi, and bacteria. Apart from intense searches by pharmaceutical companies for medicinals and the concentrated effort mounted by the National Cancer Institute, many of these have not been tested in biological systems. The major reasons for this appear to be, at least, twofold. First, individual researchers looking for biologically active natural products will often isolate only small amounts of material sufficient to determine a structure and calculate the specific activity for their particular bioassay systems: insufficient funds preclude re-isolating the compound unless industrial potential is foreseen. Second, the difficulty with which original structures were proved prior to 1972. This required the isolation of relatively large quantities of a natural product and there followed extensive degradation, elemental analyses of the parent and its fragments, then synthesis, piece by piece, of the molecule. All this took time and energy. No wonder that when the structure was proved the chemist was enervated. And coupled to this was the fact that many chemists were not trained to test their materials in biological systems. In contrast, today a natural product can be isolated, its mass and molecular formula determined and, if there is some serendipity, crystals may be obtained for single crystal x-ray analysis. If conditions are near perfect, it is possible to isolate and identify a novel compound in a month.

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Produktdetails

• Verlag: Springer New York
• Seitenzahl: 279
• Erscheinungstermin: 11. November 2013
• Englisch
• ISBN-13: 9781461534143
• Artikelnr.: 43991696

Inhaltsangabe

Progress in the Development of Natural Products for Human Immunodeficiency Viruses Infections.- Structure-Activity Correlations of Natural Products with Anti-HIV Activity.- Aids-Antiviral Natural Products Research at the U.S. National Cancer Institute.- Tannins and Related Compounds as Anti-HIV Agents.- Mode of Action of Hypericin as an Antiretroviral Agent and Other Relevant Findings.- Activity of Selected Amaryllidaceae Constituents and Related Synthesis Substances against Medically Important RNA Viruses.- Aminosugar Attenuation of HIV Infection.- Plant Proteins with Antiviral Activity against Human Immunodeficiency Virus.- Antiviral Studies with Trichosanthin, A Plant Derived Single Chain Ribosome Inactivating Protein.- Screening of Natural Products as HIV-1 and HIV-2 Reverse Transcriptase (RT) Inhibitors.- Natural Products as Anti-HIV Agents.- Antiviral Activity of Natural Phloroglucinols and Their Analogues.- The Indole Alkaloid Tumor Promoter Teleocidins as Epstein-Barr Virus Inducers: Structure, Biosynthesis and Structure-Activity Relationship.