Asymmetric ruthenium tricarbonyl cyclopentadienone complexes; synthesis and application to asymmetric hydrogenation of ketones
Asymmetric ruthenium tricarbonyl cyclopentadienone complexes; synthesis and application to asymmetric hydrogenation of ketones
复制标题
不对称钌三羰基环戊二烯酮配合物;
DOI:
10.1016/j.ica.2019.119043
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发表时间:
2019
影响因子:
2.8
通讯作者:
Del Grosso A
中科院分区:
文献类型:
--
作者:
Del Grosso A
A series of enantiomerically-pure ruthenium tricarbonyl cyclopentadienone complexes were prepared via the cyclisation of C2-symmetric dialkynes with Ru3(CO)12. Four complexes were characterised by X-ray crystallography and a hydride derivative of one of these was characterised. The complexes were tested in the asymmetric hydrogenation and transfer hydrogenation of acetophenone. Whilst the catalysts were active, acetophenone was reduced in low ee, however a reduction product of up to 46% ee could be obtained when a mild base (iPr2NEt or pyridine) was added to the reaction.
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