Synthesis of straight-chain lepidopteran pheromones through one- or two-carbon homologation of fatty alkenes
US12344573B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jan 14, 2021 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Nov 1, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0827
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methods for the preparation of alkenes including insect pheromones are described. The methods include homologation reactions employing reagents such as 1,3-diesters, epoxides, cyanoacetates, and cyanide salts for elongation of starting materials and intermediates by one or two carbon atoms. The alkenes include insect pheromones useful in a number of agricultural applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.