pyrethroid

(redirected from Chrysanthemic acid)
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py·re·throid

 (pī-rē′throid, -rĕth′roid)
n.
Any of several synthetic compounds similar to pyrethrin, used as an insecticide.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pyrethroid

(paɪˈriːθrɔɪd)
n
(Elements & Compounds) any of various chemical compounds having similar insecticidal properties to pyrethrin
adj
(Elements & Compounds) of or relating to such compounds
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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The product is a useful substrate in the synthesis of chrysanthemic acid. Moreover, NXS-type reactants are more convenient in laboratory conditions, enabling single-phase reactions to be performed.
Natural pyrethrins are compounds extracted from flower heads of pyrethrum and are esters of chrysanthemic acid and pyrethric acid.