Process for preparing transition metal cyclopentadienyl carbonyl compounds
US5026885A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Mar 6, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Transition metal cyclopentadienyl carbonyl compounds of the formula: EQU [R.sub.x C.sub.p M(CO).sub.y ].sub.n wherein R is hydrocarbyl, C.sub.p is cyclopentadienyl, M is a transition metal, x is 0 or an integer from 1 to 5, y is an interger from 1 to 7, provided that when x is 2 to 5, R can represent two or more different hydrocarbyl groups and any two R groups can together form a fused ring with the cyclopentadienyl moiety, and n is 1 or 2, PA0 are prepared in one step by carbonylating a mixture of (i) a transition metal salt of an organic carboxylic acid a .beta.-diketone, or a .beta.-keto ester (ii) a cyclopentadiene compound (iii) and a metal alkyl reducing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.