| 摘要 |
<p>Bridged cyclopentadienyl derivatives having general formula (I) A-X-B wherein: 1) A is a monofunctional hydrocarbyl radical having general formula (II) <CHEM> 2) -X- is the bridge between A and B and consists of a bifunctional radical selected from an alkylene group, a silanylene group, an alkyl substituted silaalkylene group, a siloxasilanylene group; 3) B is a monofunctional hydrocarbyl radical selected from: e) any of the A radicals defined above, f) a cyclopentadienyl radical. t</p> |
