Avermectin
Drugs to treat parasitic worms and insect pests / From Wikipedia, the free encyclopedia
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The avermectins are a series of drugs and pesticides used to treat parasitic worm infestations and to reduce insect pests. They are a group of 16-membered macrocyclic lactone derivatives with potent anthelmintic and insecticidal properties.[2][3] These naturally occurring compounds are generated as fermentation products by Streptomyces avermitilis, a soil actinomycete. Eight different avermectins were isolated in four pairs of homologue compounds (A1, A2, B1, B2), with a major (a-component) and minor (b-component) component usually in ratios of 80:20 to 90:10.[3] Avermectin B1, a mixture of B1a and B1b, is the drug and pesticide abamectin. Other anthelmintics derived from the avermectins include ivermectin, selamectin, doramectin, eprinomectin.
This article is missing information about what the chemical structures of
A1, A2, B1, B2 each are. The Abamectin pic can be reused, just need one more R group according to YoongKim04. (September 2023) |
Half of the 2015 Nobel Prize in Physiology or Medicine was awarded to William C. Campbell and Satoshi Ōmura for discovering avermectin,[4] "the derivatives of which have radically lowered the incidence of river blindness and lymphatic filariasis, as well as showing efficacy against an expanding number of other parasitic diseases."