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Synthesis and Structure of a Dimeric Yttrium Complex [LSi(BH3)(C5Me4)Y(CH2SiMe3)2]2 (L = PhC(NtBu)2) and Its Catalytic Application for Hydroboration of Ketones and Aldehydes
Organometallics ( IF 2.5 ) Pub Date : 2021-12-09 , DOI: 10.1021/acs.organomet.1c00501 Ke Lou 1 , Fenghua Zu 2 , Jianjun Yi 2 , Chunming Cui 1
Organometallics ( IF 2.5 ) Pub Date : 2021-12-09 , DOI: 10.1021/acs.organomet.1c00501 Ke Lou 1 , Fenghua Zu 2 , Jianjun Yi 2 , Chunming Cui 1
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Treatment of cyclopentadienyl-amidinate silylene LSi(C5HMe4) (L = PhC(NtBu)2, 1) with BH3·THF yielded the silylene-borane-functionalized tetramethylcyclopentadiene LSi(BH3)-(C5HMe4) (2), which reacted with Y(CH2SiMe3)3(THF)2 to give the dimeric yittrium complex [LSi(BH3)-(C5Me4)Y(CH2SiMe3)2]2 (3). X-ray structural analysis disclosed that the dimeric structure was formed through the BH3 bridging to the yttrium atom. Complex 3 enabled catalytic hydroboration of ketones and aldehydes with excellent efficiency and chemoselectivity.
中文翻译：
二聚钇配合物[LSi(BH3)(C5Me4)Y(CH2SiMe3)2]2 (L = PhC(NtBu)2)的合成和结构及其在酮和醛硼氢化反应中的催化应用
用 BH 3 ·THF处理环戊二烯基-脒基亚甲硅烷基 LSi(C 5 HMe 4 ) (L = PhC(N t Bu) 2 , 1 )得到亚甲硅烷基-硼烷官能化的四甲基环戊二烯 LSi(BH 3 )-(C 5 HMe 4 ) ( 2 )，它与 Y(CH 2 SiMe 3 ) 3 (THF) 2反应得到二聚钇配合物 [LSi(BH 3 )-(C 5 Me 4 )Y(CH 2 SiMe 3 ) 2 ] 2 (3）。X 射线结构分析表明二聚体结构是通过 BH 3桥接到钇原子形成的。配合物3能够以优异的效率和化学选择性对酮和醛进行催化硼氢化反应。
更新日期：2021-12-27
中文翻译：
二聚钇配合物[LSi(BH3)(C5Me4)Y(CH2SiMe3)2]2 (L = PhC(NtBu)2)的合成和结构及其在酮和醛硼氢化反应中的催化应用
用 BH 3 ·THF处理环戊二烯基-脒基亚甲硅烷基 LSi(C 5 HMe 4 ) (L = PhC(N t Bu) 2 , 1 )得到亚甲硅烷基-硼烷官能化的四甲基环戊二烯 LSi(BH 3 )-(C 5 HMe 4 ) ( 2 )，它与 Y(CH 2 SiMe 3 ) 3 (THF) 2反应得到二聚钇配合物 [LSi(BH 3 )-(C 5 Me 4 )Y(CH 2 SiMe 3 ) 2 ] 2 (3）。X 射线结构分析表明二聚体结构是通过 BH 3桥接到钇原子形成的。配合物3能够以优异的效率和化学选择性对酮和醛进行催化硼氢化反应。
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