Indenyl Rhodium Complexes with Arene Ligands: Synthesis and Application for Reductive Amination
作者:Vladimir B. Kharitonov、Maria Makarova、Mikhail A. Arsenov、Yulia V. Nelyubina、Olga Chusova、Alexander S. Peregudov、Semen S. Zlotskii、Denis Chusov、Dmitry A. Loginov
DOI:10.1021/acs.organomet.8b00311
日期:2018.8.13
Experimental and DFT calculation data revealed that the benzene ligand in 2a is more labile than that in the related cyclopentadienyl complexes [(C5R5)Rh(C6H6)]2+. Complex 2c effectively catalyzes the reductive amination reaction between aldehydes and primary (or secondary) amines in the presence of carbon monoxide, giving the corresponding secondary and tertiary amines in very high yields (80–99%). This protocol
已经开发了合成具有芳烃配体的茚基铑配合物的有效方案。的六氟锑酸盐[(η 5 -茚基)的Rh(芳烃)](SBF 6)2(芳烃=苯(2A),Ô二甲苯(图2b),三甲苯(2C),杜烯(2D),六甲基苯(2E),和[2.2]对环芳烷(2克))由碘化抽象从[(η获得的5 -茚基)RHI 2 ] ñ(1)配有AgSbF 6在苯及其衍生物的存在下。该过程也适用于二铑的合成芳烃配合物[(μ-η:η'-1,3- dimesitylpropane)的Rh(η 5 -茚基)} 2 ](SBF 6)4(3)从1开始,3-二甲基丙烷。[ 2e ](SbF 6)2,[ 2g ](SbF 6)2和[ 3 ](SbF 6)4的结构通过X射线衍射测定。最后一种具有空间不利的构象,其中茚基配体的桥头碳原子靠近两个均三甲苯基部分之间的丙烷接头排列。实验和DFT计算数据表明,2a中的苯配体比相关的环戊二烯基络合物[(C 5 R