Nickel-catalyzed asymmetric cross-couplings of racemic propargylic halides with arylzinc reagents.

Nickel-catalyzed asymmetric cross-couplings of racemic propargylic halides with arylzinc reagents.
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DOI:
10.1021/ja805165y
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发表时间:
2008-09-24
影响因子:
15
通讯作者:
Fu, Gregory C.
Fu, Gregory C.
中科院分区:
化学1区
文献类型:
--
作者:
Smith, Sean W.;Fu, Gregory C.

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研究了外消旋二次丙叉卤化物与芳基锌试剂催化不对称Negishi交叉偶联反应的立体收敛方法。这两类化合物以前都没有被证明是这种偶联过程中的合适伙伴。从实用的角度来看,值得注意的是催化剂组分(NiCl2·Glyme和PYBOX配体1)是可以商业获得的。
A stereoconvergent method for the catalytic asymmetric Negishi cross-coupling of racemic secondary propargylic halides with arylzinc reagents has been developed. Neither family of compounds has previously been shown to be a suitable partner in such coupling processes. From a practical point of view, it is noteworthy that the catalyst components (NiCl2·glyme and pybox ligand 1) are commercially available.
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