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Practical Copper-Catalyzed Asymmetric Synthesis of Chiral Chrysanthemic Acid Esters

โœ Scribed by Itagaki, Makoto; Suenobu, Katsuhiro


Book ID
127200695
Publisher
American Chemical Society
Year
2007
Tongue
English
Weight
249 KB
Volume
11
Category
Article
ISSN
1083-6160

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๐Ÿ“œ SIMILAR VOLUMES


Asymmetric synthesis of chrysanthemic ac
โœ T. Aratani; Y. Yoneyoshi; T. Nagase ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 198 KB

Chrysanthemic acid (I, R = H) constitutes an acidic component of the pyrethroid, 1 which is effective as an insecticide. Among its four optical isomers, the naturally occurring d-trans isomer has the highest activity.

Asymmetric synthesis of chrysanthemic ac
โœ T. Aratani; Y. Yoneyoshi; T. Nagase ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 176 KB

Asymmetric induction was observed in the decomposition of diasoalkanes in the presence of certain chiral copper complexes. 1 We have applied this chiral carbenoid reaction to the synthesis of chrysanthemic acid\* (ea. 1). Systematic studies have been carried out to achieve an optical yield of 60-70$