Tricyclopentadienyl cerium and process for preparing the same
US4703109A · kind A · utility
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10Claims
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Key dates
| Filing date | Nov 26, 1984 |
| Grant date | Oct 27, 1987 |
| Priority date | — |
| Expiry date | Nov 26, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F5/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is provided for preparing tricyclopentadienyl cerium as well as the mono and dicyclopentadienyl cerium intermediates which comprises reacting an alkali metal cyclopentadienide with ceric ammonium nitrate, in solution in an inert organic solvent in a manner to obtain either tricyclopentadienyl cerium or to form in sequence, and stepwise, monocyclopentadienyl cerium dinitrate, dicyclopentadienyl cerium mononitrate, and tricyclopentadienyl cerium, depending upon the order of addition of the reactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.