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lactone

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lactone [′lak‚tōn]
(organic chemistry)
An internal cyclic mono ester formed by gamma (γ) or delta (δ) hydroxy acids spontaneously; thus γ-hydroxybutyric acid forms γ-butyrolactone.
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Some styryl lactone derivatives exhibited strong anti-proliferation activity in MCF-7 and MDA-MB-231 cells, while partial inhibition in T47D cells (Hawariah and Stanslas, 1998a).
The cytotoxicity of naturally occurring styryl lactones by Tian, Ze; Chen, Sibao; Zhang, Yaou; Huang, Minghui; Shi, Lin; Huang, Feng; Fong, Chichun; Yang, Meng / Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
Levamisole resistance is also on the increase and there have now been some reports of Macrocyclic lactone (ivermectin etc) resistance.
Early birds catch worms by The Journal (Newcastle, England)
Alternatively or additionally, the Michael donor contains beta-ketoamide, enamine carboxylate, enamine amide, pyrazolone, isoxazolone, hydantoin, rhodanine, thio-substituted unsaturated ester, thio-substituted lactone or phosphonite or phosphinite ester groups.
Coatings, adhesives and sealants by Coatings World
 
 
 
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