Backfunctionalized imidazolinium salts and NHC carbene-metal complexes
US10150738B2 · kind B2 · utility
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Key dates
| Filing date | May 16, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | May 16, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F15/0046
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Backfunctionalized imidazolinium salts and methods of synthesizing the same and NHC carbene-metal complexes therefrom. For backfunctionalized imidazolinium salts of the formula: Wherein R1 is selected from the group consisting of an ester group, an amide group, and an aromatic group; R2 is selected from the group consisting of hydrogen, an ester group, an amide group, and an aromatic group; R3 and R4 are each an aliphatic group; and X is an anion; the method comprises cyclization of a halogenated acrylate with Hünig's base in a solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.