Catalytic effect of cobalt and iron complexes incorporating bis(2-aldiminoethyl)amine ligands on ethylene oligomerization

被引：0

作者：

Wang, M ^{[1
]}

Dai, D ^{[1
]}

Zhu, HJ ^{[1
]}

Wang, H ^{[1
]}

Sun, LC ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2003年 / 19卷 / 02期

关键词：

cobalt and iron complexes; Schiff base; bis(2-aldiminoethyl)amine; ethylene oligomerization; low carbon olefin;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Complexes [MCl2 {CH3N (CH2CH2N = (CRR)-R-1)(2))}](3, M = Co, R-1 = H, R-1 = Ph; 4, M = Fe. R-1 = H, R-2 = Ph; 5, M = Co, R-1 = R-2 = Ph) were prepared and characterized by IR spectra and elemental analysis. The combination of each of complexes 3-5 with ethylaluminoxane (EAO), respectively, was found to be moderatety active for ethylene oligornerization to low carbon olefins. The activity of 113 kg oligomers . mol(-1) Co . h(-1) for complex 3(100 mol of EAO, 180 degreesC and 1.8 MPa ethylene) was observed with a selectivity of 93% to C4-10 olefins, of which 96% were linear C4-10 olefins. The catalytic properties of complexes 3-5 were compared with those of analogous P,P-coordinated complexes [MCl2{CH3N(CH2CH2PPh2)(2)}](1, M = Co; 2, M = Fe).

引用

页码：231 / 234

页数：4

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