Organic compounds
US8765980B2 · kind B2 · utility
3Cited by
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14Claims
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Key dates
| Filing date | Dec 17, 2010 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Apr 12, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of β,γ-unsaturated-γ, γ-disubstituted esters 1 with high E/Z- and β,γ/α,β-ratios, Formula (1) by reacting at a temperature of between about 130 and 170 degrees centigrade the conjugated malonate Formula (3) with, a group I, II or III metal halide or an organic cation/halide anion pair, an inorganic proton source and a polar solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.