Synthesis of pyrethroids and pyrethroid-containing compositions
US9487471B1 · kind B1 · utility
3Cited by
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17Claims
0Family size
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Key dates
| Filing date | Apr 14, 2015 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Apr 14, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides methods for synthesizing pyrethroid compounds. The methods include forming a first reaction comprising an olefin and an allethrolone-type unsaturated alcohol under conditions sufficient to form a metathesis product and converting the metathesis product to the pyrethroid. Methods of the invention can be used to prepare compounds including pyrethrin I, cinerin I, jasmolin I, pyrethrin II, cinerin II, and jasmolin II as well as other synthetic pyrethroid compounds. Insecticidal compositions and methods for controlling insects are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.