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- Title
Syntheses of Racemic and Scalemic cis-Chrysanthemic Acid from β, γ-Unsaturated Cyclohexanol.
- Authors
Krief, Alain; Jeanmart, Stéphane; Gondal, Humaira Y.; Kremer, Adrian
- Abstract
2,2,5,5-Tetramethylcyclohexane-1,3-dione is a valuable starting-material precursor of cis-chrysanthemic acid. The (1 S)-stereoisomer is a precursor of pyrethrin I, the most active natural insecticide from Chrysanthemum cinerariifolium, whereas the (1 R)-stereoisomer is efficiently transformed to deltamethrin, the most active commercially available pyrethroid insecticide. Several intermediates have been identified and used with variable success for that purpose.
- Subjects
PYRETHRUM (Plant); TARTARIC acid; CYCLOHEXANOLS; PYRETHRINS; STEREOISOMERS; DELTAMETHRIN
- Publication
Helvetica Chimica Acta, 2012, Vol 95, Issue 11, p2123
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.201200393