Process to prepare metalated olefins
US4284827A · kind A · utility
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26Claims
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Key dates
| Filing date | Dec 17, 1979 |
| Grant date | Aug 18, 1981 |
| Priority date | — |
| Expiry date | Dec 17, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J13/007
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Substituted ethanes (I) are reacted with an alkyl metal reagent to form isomeric metalated olefins (IIIA and IIIB) having a trans (IIIB) to cis (IIIA) ratio of greater than 70:30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.