First intramolecular enantioselective iridium-catalysed allylic aminations

First intramolecular enantioselective iridium-catalysed allylic aminations
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DOI:
10.1039/b400023d
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发表时间:
2004-04-07
影响因子:
4.9
通讯作者:
Helmchen, G
Helmchen, G
中科院分区:
化学2区
文献类型:
--
作者:
Welter, C;Koch, O;Helmchen, G

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当催化剂负载量为0.5mol-%时,以膦并恶唑啉或磷酰胺为配体的不对映体催化的分子内烯丙基氨基对映体的EE值为90%,并且对分子内反应表现出明显的偏好。
Enantioselective iridium-catalysed intramolecular allylic aminations, using phosphinooxazolines or phosphorus amidites as ligands, provided ee values of > 90%, at a catalyst loading of < 0.5 mol-%, and displayed a marked preference for intra- over corresponding intermolecular reactions.