N ortho acyl substituted nitrogen-containing heterocyclic compound and process for preparing aminal iron (II) complexes thereof
申请人:Liu Jun
公开号:US09266982B2
公开(公告)日:2016-02-23
Provided are a process for preparing an N ortho acyl substituted nitrogen-containing heterocyclic compound and an aminal iron (II) complex thereof, and the use of the complexes obtained by the process in an olefin oligomerization catalyst. The N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is for example 2-acyl-1,10-phenanthroline or 2,6-diacetyl pyridine as shown in formula b, and the N ortho acyl substituted nitrogen-containing heterocyclic compound in the present invention is produced by a reaction of a precursor thereof in a substituted or unsubstituted nitrobenzene. Preferably the precursor shown in formula I in the present invention is produced by 1,10-phenanthroline reacting with trialkyl aluminum, or a halogenoalkyl aluminum RnAIXm, or a substituted or unsubstituted benzyl lithium Ph′CH2Li, followed by hydrolysis. The preparation method provided in the present invention has a few synthetic steps, an easy process, a low toxic effect, and reduces the preparation costs of the catalyst, and has a promising outlook in the industrial application.
2‐Arylimino‐9‐phenyl‐1,10‐phenanthrolinyl‐iron, ‐cobalt and ‐nickel Complexes: Synthesis, Characterization and Ethylene Oligomerization Behavior
作者:Suyun Jie、Shu Zhang、Wen‐Hua Sun
DOI:10.1002/ejic.200700690
日期:2007.12
prepared and investigated as new tridentate N3 ligands in coordination with metal chlorides. Their iron(II) (1a–6a), cobalt(II) (1b–6b), and nickel(II) (1c–6c) complexeshave been synthesized and characterized by elemental and spectroscopic analysis in conjunction with single-crystal X-ray diffraction studies. Some of the iron complexes show good activities in the selective dimerization of ethylene upon