发明名称 |
High-yielding ullmann reaction for the preparation of bipyrroles |
摘要 |
Coupling two moles of a 2-halopyrrole in the presence of an inert aromatic solvent and a catalytically effective amount of a substantially pure copper catalyst provides high yields of the corresponding bipyrrole.
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申请公布号 |
US5756724(A) |
申请公布日期 |
1998.05.26 |
申请号 |
US19970844904 |
申请日期 |
1997.04.22 |
申请人 |
CYTOPHARM, INC. |
发明人 |
VOGEL, EMANUEL;DEPONTE, REINER |
分类号 |
C07D207/34;C07D487/22;(IPC1-7):C07D403/04 |
主分类号 |
C07D207/34 |
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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