New Titanium Catalysts Containing Tetrazole for Cycloaddition of CO2 to Epoxides

被引：32
|
作者：
Go, Mm Jeong [1 ]
Lee, Kang Mun [2 ]
Oh, Chang Hwa [1 ]
Kang, Yi Young [1 ]
Kim, So Han [3 ]
Park, Hyoung Ryun [1 ]
Kim, Youngjo [3 ]
Lee, Junseong [1 ]
机构：
[1] Chonnam Natl Univ, Dept Chem, Kwangju 500757, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Chem, Taejon 361763, South Korea
[3] Chungbuk Natl Univ, Dept Chem, Chongju 361763, Chungbuk, South Korea
来源：
ORGANOMETALLICS | 2013年 / 32卷 / 15期
基金：
新加坡国家研究基金会;
关键词：
D O I：
10.1021/om400605k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of new half-sandwich titanocene [(eta(5)-C5H5)TiLCl2] (1) and nonorganometallic titanium complexes [TiLCl3(THF)] (2) and [TiL2Cl2] (3) containing 5-(2-hydroxyphenyl)tetrazole (LH) were synthesized in high yield and fully characterized by various spectroscopic methods and X-ray crystallography. In all complexes, the ligand L acted as a monoanionic bidentate ligand and hydrogen bonding between the oxygen of the tetrahydrofuran and hydrogen of the tetrazolyl unit was observed. In the cydoaddition of CO2 to propylene oxide, complex 3 showed the highest activity among the reported Ti complexes.
引用
收藏
页码：4452 / 4455
页数：4
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