Citation:
ZHANG Yan, YIN Dong-Hong, YANG Yi-Si, HUANG Chun-Bao. Mn(Salen)/Al-HMS Catalysts Prepared by Host-guest Interaction Under Microwave Irradiation[J]. Chinese Journal of Applied Chemistry,
;2006, 23(6): 646-650.
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Here we report a novel preparation method of Mn(Salen)/Al-HMS catalysts through host-guest interaction between Mn(Salen) complex and mesoporous Al-HMS under microwave irradiation(MWI).FT-IR,DR UV-Vis and TG measurement results indicate that Mn(Salen) complex could be successfully immobilized on mesoporous Al-HMS.Styrene epoxidation with PhIO as oxidant was carried out to test the effect of the catalyst prepared with different preparation methods on the catalytic activity and selectivity.It was found that the catalyst of Mn(Salen)/Al-HMS-IP1 shows a good conversion of styrene(74.6%) and the best selectivity for phenyloxirane(94.8%).Moreover,radiation time,quantity of oxidant and recycle times were investigated to investigate their effects on the catalytic performance.
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Keywords:
- Mn(Salen) complex,
- Al-HMS,
- microwave irradiation,
- styrene,
- epoxidation
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