Chemistry:Callicarpenal
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Names | |
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IUPAC name
3α-Methyl-14a-homo-12-nor-5β,10α-drim-8-en-14a-al
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Systematic IUPAC name
[(1S,2R,4aR,8aR)-1,2,4a,5-Tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl]acetaldehyde | |
Other names
(−)-Callicarpenal; 13,14,15,16-Tetranor-3-cleroden-12-al
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
PubChem CID
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UNII | |
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Properties | |
C16H26O | |
Molar mass | 234.383 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
Infobox references | |
Tracking categories (test):
Callicarpenal is a terpenoid that has been isolated from plants of the genus Callicarpa (beautyberry).[1] It acts as an insect repellent against mosquitoes (Aedes aegypti and Anopheles stephensi) and fire ants.[1][2] It also has activity against ticks (Ixodes scapularis and Amblyomma americanum).[3]
In comparison to the most commonly used insect repellent, DEET, callicarpenal is only about 21% less effective at preventing mosquito bites.[4]
Callicarpenal was discovered by scientists at the United States Department of Agriculture's Agricultural Research Service who were inspired by reports that Callicarpa americana (American beautyberry) was used as a folk remedy to prevent mosquito bites.[5]
References
- ↑ 1.0 1.1 Cantrell, C. L.; Klun, J. A.; Bryson, C. T.; Kobaisy, M.; Duke, S. O. (2005). "Isolation and Identification of Mosquito Bite Deterrent Terpenoids from Leaves of American (Callicarpa americana) and Japanese (Callicarpa japonica) Beautyberry". Journal of Agricultural and Food Chemistry 53 (15): 5948–53. doi:10.1021/jf0509308. PMID 16028979.
- ↑ Chen, J; Cantrell, CL; Duke, SO; Allen, ML (2008). "Repellency of callicarpenal and intermedeol against workers of imported fire ants (Hymenoptera: Formicidae)". Journal of Economic Entomology 101 (2): 265–71. doi:10.1603/0022-0493(2008)101[265:ROCAIA2.0.CO;2]. PMID 18459387. https://naldc-legacy.nal.usda.gov/naldc/download.xhtml?id=15346&content=PDF.
- ↑ Carroll, JF; Cantrell, CL; Klun, JA; Kramer, M (2007). "Repellency of two terpenoid compounds isolated from Callicarpa americana (Lamiaceae) against Ixodes scapularis and Amblyomma americanum ticks". Experimental & Applied Acarology 41 (3): 215–24. doi:10.1007/s10493-007-9057-2. PMID 17380408.
- ↑ Ling, Taotao; Xu, Jing; Smith, Ryan; Ali, Abbas; Cantrell, Charles L.; Theodorakis, Emmanuel A. (2011). "Synthesis of (−)-callicarpenal, a potent arthropod repellent". Tetrahedron 67 (17): 3023–3029. doi:10.1016/j.tet.2011.02.078. PMID 21643472.
- ↑ Luis Pons (February 2006). "Folk Remedy Yields Mosquito-Thwarting Compound". Agricultural Research Magazine 54 (2). http://www.ars.usda.gov/is/ar/archive/feb06/mosquito0206.htm.
External links
- "Scientists Confirm Folk Remedy Repels Mosquitoes". ScienceDaily. July 3, 2006. https://www.sciencedaily.com/releases/2006/07/060703091932.htm.
![]() | Original source: https://en.wikipedia.org/wiki/Callicarpenal.
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