Syntheses, Structures and Properties of Two Half-sandwich Cobalt Carboxylate Complexes with Tris(pyrazolyl)borate Ligand

doi:10.7503/cjcu20121110

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (5): 1041.doi: 10.7503/cjcu20121110

• Article: Inorganic Chemistry • Previous Articles Next Articles

Syntheses, Structures and Properties of Two Half-sandwich Cobalt Carboxylate Complexes with Tris(pyrazolyl)borate Ligand

XING Na¹, SHAN Hui¹, SONG Ge¹, WEI Dong-Ming¹, LI Guang-Hua², SHI Zhan², XING Yong-Heng¹

1. College of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, China;
2. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Received:2012-12-10 Online:2013-05-10 Published:2013-05-10

Abstract

Abstract:

Two new mononuclear complexes Tp^*Co(Hglu)(CH₃OH)(1) and Tp^*Co(Hsub)(H₂O)(2) have been synthesized successfully. The complexes were characterized by elemental analysis, IR, UV-Vis spectroscopy and single-crystal X-ray diffraction. Structural analysis reveals that in complexes 1 and 2, the coordination mode of the ligand Tp^* is terminal tridentate chelated coordination mode. While the glutaric or suberic acid ligand adopt a μ₂-η¹-η¹ linking fashion. In addition, the thermal stability and the activity in catalytic oxidation of cyclohexane have been discussed.

Key words: Cobalt complex, Tris(pyrazolyl)borate, Crystal structure, Thermal stability, Catalytic activity

CLC Number:

O614

TrendMD:

XING Na, SHAN Hui, SONG Ge, WEI Dong-Ming, LI Guang-Hua, SHI Zhan, XING Yong-Heng. Syntheses, Structures and Properties of Two Half-sandwich Cobalt Carboxylate Complexes with Tris(pyrazolyl)borate Ligand[J]. Chem. J. Chinese Universities, 2013, 34(5): 1041.

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Syntheses, Structures and Properties of Two Half-sandwich Cobalt Carboxylate Complexes with Tris(pyrazolyl)borate Ligand

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