Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 75, Issue 9-10, Pages 1147-1158Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2022.2095907
Keywords
Vanadium complex; molybdenum complex; hydrazone ligand; crystal structure; catalytic property
Categories
Funding
- Scientific Research Foundation of Chengdu Technological University [2021RC004]
- Key Laboratory of Water Environment Evolution and Pollution Control in Three Gorges Reservior [WEPKL2018YB-05]
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A new oxidovanadium(V) complex, [VOL(OEt)(EtOH)], and a new dioxidomolybdenum(VI) complex, [MoO2L(OH2)], have been synthesized and characterized. The crystal structures of these complexes show octahedral coordination of V and Mo ions, stabilized by hydrogen bonds. Both complexes exhibit effective catalytic properties for the epoxidation of styrene, with high conversions and selectivities.
A new oxidovanadium(V) complex, [VOL(OEt)(EtOH)] (1), and a new dioxidomolybdenum(VI) complex, [MoO2L(OH2)] (2), where L is the dianionic form of 2-bromo-N'-(3,5-dichloro-2-hydroxybenzylidene)benzohydrazide, have been synthesized and structurally characterized by physico-chemical methods and single crystal X-ray determination. X-ray analysis indicates that the V and Mo ions in the complexes are in octahedral coordination. Crystal structures of the complexes are stabilized by hydrogen bonds. The catalytic property for epoxidation of styrene by the complexes was evaluated. Both complexes have effective catalytic properties for the epoxidation of styrene, with conversions over 76% and selectivities over 92%.
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