Natural Product Chemistry: Proceedings of the First by Viqar Uddin Ahmad (auth.), Professor Atta-ur Rahman (eds.)

By Viqar Uddin Ahmad (auth.), Professor Atta-ur Rahman (eds.)

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Chandrasekhara, N. (1982) Effect of garlic (Allium sativum Linn) on serum lipoproteins and lipoprotein cholesterol levels in albino rats rendered hypercholesteremic by feeding cholesterol. Lipids, 16. ~, 483-486. J. H. (1944) Allicin the Antibacterial Principle of Allium sativum. 1. Isolation, Physical Properties and Antibacterial Action. , 66, 1950-51. S. M. (1944) Allicin, the Antibacterial Principle of Allium sativum II. Determination of the Chemical Structure. , 66, 1952-54. , & Seebeck, E.

Sri. 651-653. Ampofo. O. (1977) Plants that heal. • Geneva, Switzerland) pp 26-30 (November issue). 32. R. S. of Discovering New (1977). Problems and Prospects Drugs from High Plants by Pharmacological Screening New Natural Products and Plant Drugs with Pharmacological, Biological or Therapeutical Activity. Editors Wagner, H. & Wolf. , pp, 1-22. Springer-Verlag, Berlin, Heidelberg, New York. Synthesis, Structure Activity Relationships and Mode of Action of Insect Pheromones A Contribution for the Transmission of Chemical Information in Nature Hans Jiirgen Bestrnann Organic Chemistry Institute, University Erlangen-Niirnberg, Henkestr.

M - 8 m - 10 100 100 100 3 3 30 30 The activating effect of an ~-positioned methyl group in the of elongated pheromone analogs is especially remarkable in the comparison of activities of the compound ~ and 2l (section A). )-9-dodecenyl acetate (2}, ~=8), gives an activity decrease by a factor of 300 to 1000. The ~-part branched analog 77 however shows a loss of effi. 28)31) cacy by a factor of only 3 compared wlth ~ (~=8) ~-methyl Similar results characterize our investigations with moth maximally responding to pheromone molecules 74 (72, ~=3).

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