发明名称 |
Process for preparing a methylene-bridged biscyclopentadienyl compound |
摘要 |
Process for preparing a methylene-bridged cyclopentadienyl compound The present invention relates to a process for preparing a methylene-bridged biscyclopentadienyl compound having the formula I Where L are, independently of one another, identical or different and are each a cyclopentadienyl group, by reactin one or two cyclopentadienyl compounds LH with formaldehyde in monomeric, oligomeric or polymeric form or formaldehyde-generating reagents in the presence of at least one base and at least one phase transfer catalyst.
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申请公布号 |
US5945553(A) |
申请公布日期 |
1999.08.31 |
申请号 |
US19970928208 |
申请日期 |
1997.09.12 |
申请人 |
TARGOR GMBH |
发明人 |
KUEBER, FRANK;RIEDEL, MICHAEL;SCHIEMENZ, BERTHOLD |
分类号 |
B01J21/06;B01J31/12;B01J31/14;B01J31/22;C07B61/00;C07C2/86;C07C13/28;C07F17/00;C08F4/60;C08F4/64;C08F4/659;C08F10/00;C08F110/06;(IPC1-7):C07F17/00;C07F7/28;C07F11/00 |
主分类号 |
B01J21/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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