Cationic η1/η2-gold(I) complexes of simple arenes
Cationic η1/η2-gold(I) complexes of simple arenes
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DOI：
10.1002/anie.200601688
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发表时间：
2006-01-01
影响因子：
16.6
通讯作者：
Echavarren, Antonio M.
中科院分区：
文献类型：
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作者：
Herrero-Gomez, Elena;Nieto-Oberhuber, Cristina;Echavarren, Antonio M.
我们已经使用大体积的联苯膦来制备AuI络合物1a-c（方案1），其阳离子衍生物是非常活性的催化剂，其允许在炔官能团处被芳基或烯基取代的1，6-烯炔的环化。[3]代替通过用AgI盐原位提取氯来制备阳离子络合物，我们已经寻求使用稳定的[Au（PR 3）（L）]+ ANO 3（L=配体）络合物，其具有弱配位配体，该配体可以被反应烯炔的炔官能团取代。
We have used bulky biphenylphosphanes for the preparation of AuI complexes 1a–c (Scheme 1), whose cationic derivatives are very active catalysts that allow for the cyclization of 1, 6-enynes substituted at the alkyne function with aryl or alkenyl groups.[3] Instead of preparing the cationic complexes by chloride abstraction with AgI salts in situ, we have sought to use stable [Au (PR3)(L)]+ AÀ (L= ligand) complexes with a weakly coordinating ligand that could be replaced by the alkyne functionality of the reacting enyne.