Macrocyclic lactones are the most common form of drenches used in the pour on form; however oral benzimidazole (BZ) drenches ... Macrocyclic lactones offer a wide range of internal and external parasite protection. They are a commonly used drench and this ... Macrocyclic lactones and benzimidazoles in the form of pour on solutions are the most commonly used drench formula, however ... Macrocyclic lactones offer an overall protection from most parasites and a longer period then other drench formulas. ...

Structurally, withanolides consist of a steroid backbone bound to a lactone or one of its derivatives; they are produced via ...

Moxidectin, a macrocyclic lactone of the milbemycin class, is a semisynthetic derivative of nemadectin, which is a fermentation ... Rugg D, Buckingham SD, Sattelle DB, Jansson RK (2010). "The insecticidal macrocyclic lactones". In Gilbert GI, Gill SS (eds.). ... Lanusse CE, Lifschitz AL, Imperiale FA (2013). "Chapter 42: Macrocyclic lactones: Endectocide compounds". In Riviere JE, Papich ... "A review on the toxicity and non-target effects of macrocyclic lactones in terrestrial and aquatic environments". Current ...

A furanolactone is a heterocyclic chemical compound that contains both lactone and furan rings in its chemical structure. ...

Kouno I, Kawano N, Yang C (1988). "New pseudoanisatin-like sesquiterpene lactones from the bark of Illicium dunnianum". Journal ... lactone". Journal of the American Chemical Society. 112 (24): 9001-9003. doi:10.1021/ja00180a067. ISSN 0002-7863. Media related ...

Similarly lactones reduce to diols. α,β-Enones undergo 1,4-addition to give lithium enolates. Disulfides reduce to thiols (via ...

Mukaiyama, T.; Usui, M.; Saigo, K. (1976). "The facile synthesis of lactones". Chem. Lett. 5 (1): 49-50. doi:10.1246/cl.1976.49 ...

The first possibility is the reaction of an epoxide with a lactone:: 49 The epoxide cyclohexene oxide and the lactone γ- ... Some expanding monomers are lactones. These classes are listed in the following table.: 382 There are three possibilities given ... bicyclic ketal lactones and bicyclic orthoesters. Most expanding monomers are orthoesters, either spiro orthoesters, bicyclic ...

Lactones are cyclic carboxylic esters; naturally occurring lactones are mainly 5- and 6-membered ring lactones. Lactones ... a type of lactone ester Macrolide, a class of natural esters that consist of a large macrocyclic lactone ring to which one or ... a type of lactone ester Vitamin C (ascorbic acid), a lactone ester, an essential nutrient for humans and other animals ... Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure. Esters derived ...

It is also used in the preparation of cyclopentanone, diacetone alcohol and D-gulonic γ-lactone. Barium hydroxide decomposes to ... Karabinos, J. V. (1956). "γ-lactone". Org. Synth. 36: 38; Coll. Vol. 4: 506. Pradyot Patnaik. Handbook of Inorganic Chemicals. ...

In general, α,β-diheterosubstituted lactones may eliminate to give unsaturated lactones upon reaction with SmI2, although the ... An Easy Access to Deoxysugar Lactones". Chemistry Letters. 20 (6): 1025-1026. doi:10.1246/cl.1991.1025. Souppe, J (1983). "Some ... Inanaga, Junji; Katsuki, Junko; Yamaguchi, Masaru (1991). "SmI2-Promoted Deacetoxylation of O-Acetylsugar Lactones. ... iodide is the reduction of α-hydroxy ketones and α-hydroxy lactones. ...

They are a group of 16-membered macrocyclic lactone derivatives with potent anthelmintic and insecticidal properties. These ... Yang, Chen-Chang (2012). "Acute Human Toxicity of Macrocyclic Lactones". Current Pharmaceutical Biotechnology. 13 (6): 999-1003 ...

Derived bicyclic lactones are called quinides. One example is 4-caffeoyl-1,5-quinide. Dehydrogenation and oxidation of quinic ...

2009). Sesquiterpene lactones from Carpesium abrotanoides. Fitoterapia 80(1), 21-24. Zee, O. P., et al. (1998). Thymol ... 2010). Antiproliferative effect from sesquiterpene lactones of Carpesium rosulatum Miq. consumed in South Korea on the five ...

Thalmann A., Oertle K. and Gerlach H (1985). "Ricinelaidic acid lactone". Org. Synth. 7: 470. doi:10.15227/orgsyn.063.0192. v t ...

Thalmann, A. Oertle, K.; Gerlach, H. (1990). "Ricinelaidic Acid Lactone". Organic Syntheses.{{cite journal}}: CS1 maint: ...

... a lactone, loliolide; and three alkaloids, sinoacutine, magnoflorine, and palmatine. The common name for this plant in East ...

Stampf, J (August 1978). "Allergic contact dermatitis due to sesquiterpene lactones. A comparative study of human and animal ... It is a mixture of two isomeric sesquiterpene lactones, alantolactone and isoalantolactone. In 1895 the German scientists ... Alejandro, Barreroa (2000). "New sources and antifungal activity of sesquiterpene lactones". Fitoterapia. 66 (71): 60-64. doi: ...

Whitton, Peter A; Lau, Andrew; Salisbury, Alicia; Whitehouse, Julie; Evans, Christine S (1 October 2003). "Kava lactones and ... Viorica, Lopez-Aila (1997). "Supercritical fluid extraction of kava lactones from Piper methysticum (kava) herb". Journal of ... is responsible for the difference in toxicity as extraction of glutathione in addition to the kava lactones is important to ...

Various esters, ketones, lactones, phenols and acetals. When yeast cells die, they sink to the bottom of the fermentation ...

Her dissertation was titled Lactones as Possible Carcinogens and Tumor Inhibitors. Longs doctoral advisor was Robert E. ... "Lactones as Possible Carcinogens and Tumor Inhibitors". Doctoral Dissertations. University of Connecticut: 1-136. Schulman, ...

The leaves contain coumarins and sesquiterpene lactones. The sesquiterpenes are known to be costunolide, parthenolide, ... 60, no 4, pages 390-390, INIST:11250251 Isolation and characterization of the sesquiterpene lactones costunolide, parthenolide ... 10.1002/jps.2600700833 Coumarins and sesquiterpene lactones from Magnolia grandiflora leaves. Yang MH, Blunden G, Patel AV, ...

Winssinger N, Barluanga S (January 2007). "Chemistry and biology of resorcylic acid lactones". Chem Commun. 13 (1): 22-36. doi: ... Review of the chemistry and biology of resorcylic acid lactones, including radicicol. (Articles without KEGG source, Articles ... an Hsp90 Inhibitor Resorcylic Acid Lactone from Chaetomium chiversii". Chemistry & Biology. 15 (12): 1328-1338. doi:10.1016/j. ...

Sesquiterpene lactones are a common class of sesquiterpenoids that contain a lactone ring, hence the name. They are found in ... doi:10.1016/0273-1223(95)00454-u. "Sesquiterpene Lactones and their toxicity to livestock". Cornell CALS. Cornell University. ...

An Efficient Route to Chiral δ-Lactones". J. Org. Chem. 67 (4): 1261-1265. doi:10.1021/jo016096c. PMID 11846671. Martín-Matute ...

Tabuchi, Takanori; Kawamura, Kisa; Inanaga, Junji; Yamaguchi, Masaru (1986). "Preparation of medium- and large-ring lactones. ...

"DIMETHYLKETENE β-LACTONE DIMER". Organic Syntheses. doi:10.15227/orgsyn.048.0072. US 2369919, J.C. Sauer, "Ketoethenones and ... delivers lactone contents of over 90% at short reaction times. Processing is carried out by phase separation or acidic ...

The hydroxy-lactone type. Journal of the Chemical Society (UK; Resumed), article LXXVIII, pages 531-534. doi:10.1039/ ...

5342-5343, doi:10.1021/ja01021a090 R.H. Hasek; R.D. Clark; G.L. Mayberry (1968). "Dimethylketene β-Lactone Dimer". Organic ... The 2,2,4,4-tetramethylcyclobutanedione isomerizes to the lactone called dimethylketene dimer (4-isopropylidene-3,3-dimethyl-2- ...

Lactone, a cyclic ester. β-Lactam β-Lactam antibiotics, which includes penicillins 2-Pyrrolidone 2-Piperidinone Caprolactam Lam ... The term is a portmanteau of the words lactone + amide. Greek prefixes in alphabetical order indicate ring size: This ring-size ...