Synthesis and Catalytic Behaviors toward Styrene Polymerization of Zinc Complexes Bearing 6-Benzimidazolyl-2-aryliminoethyl Pyridine

doi:10.6023/cjoc201212041

Chin. J. Org. Chem. ›› 2013, Vol. 33 ›› Issue (08): 1828-1833.DOI: 10.6023/cjoc201212041 Previous Articles Next Articles

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6-苯并咪唑基-2-芳亚胺乙基吡啶锌配合物的合成及其对苯乙烯聚合的催化性能

肖立伟, 景学敏, 孔洁

廊坊师范学院化学与材料科学学院廊坊 065000

收稿日期:2012-12-24 修回日期:2013-02-25 发布日期:2013-04-07
通讯作者: 肖立伟 E-mail:xiaoliwei2000@sina.com
基金资助:
河北省自然科学基金(Nos. B2013408014, B2012408006)和廊坊师范学院博士基金(No. LSEB201103)资助项目.

Synthesis and Catalytic Behaviors toward Styrene Polymerization of Zinc Complexes Bearing 6-Benzimidazolyl-2-aryliminoethyl Pyridine

Xiao Liwei, Jing Xuemin, Kong jie

Faculty of Chemistry and Material Science, Langfang Teachers College, Langfang 065000

Received:2012-12-24 Revised:2013-02-25 Published:2013-04-07
Supported by:
Project supported by the Natural Science Foundation of Hebei Province (Nos. B2013408014, B2012408006) and the Doctoral Foundation of Langfang Teacher’s College (No. LSEB201103).

Three substituted 6-benzimidazolyl-2-aryliminoethyl pyridine derivatives 3a～3c and the corresponding zinc complexes 6-benzimidazolyl-2-aryliminoethyl pyridine zinc dichlorides 4a～4c were synthesized. The products were evidenced by NMR, IR, elemental analysis and molecular structures of complex 4a has been characterized by X-ray diffraction. The unit cell parameters was a=9.2524(17) Å, b=16.958(3) Å, c=16.661(3) Å, β=103.089(3)°, monoclinic, P2(1)/n space group. The zinc complexes exhibited moderate catalytic activities for styrene polymerization. Influencing factors for catalytic activities were investigated and the highest activities reached 1.33×10⁵ g·mol^-1(Zn)·h^-1. Characterized with GPC, NMR, IR and XRD, the obtained polystyrene was in atactic microstructure, moderate molecular weight (M_n, 1×10⁴～2×10⁴) and narrow molecular weight distrbution (M_w/M_n<1.8).

Key words: benzoimidazole derivative, zinc complex, catalysis, styrene polymerization

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Xiao Liwei, Jing Xuemin, Kong jie. Synthesis and Catalytic Behaviors toward Styrene Polymerization of Zinc Complexes Bearing 6-Benzimidazolyl-2-aryliminoethyl Pyridine[J]. Chin. J. Org. Chem., 2013, 33(08): 1828-1833.

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6-苯并咪唑基-2-芳亚胺乙基吡啶锌配合物的合成及其对苯乙烯聚合的催化性能

Synthesis and Catalytic Behaviors toward Styrene Polymerization of Zinc Complexes Bearing 6-Benzimidazolyl-2-aryliminoethyl Pyridine

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