首页> 外文期刊>Comptes Rendus Chimie >Preparation and characterization of molybdenum hexacarbonyl encapsulated in polystyrene and its application as an efficient and reusable catalyst for epoxidation of alkenes with tert-BuOOH
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Preparation and characterization of molybdenum hexacarbonyl encapsulated in polystyrene and its application as an efficient and reusable catalyst for epoxidation of alkenes with tert-BuOOH

机译:封装在聚苯乙烯中的六羰基钼的制备,表征及其作为叔丁醇对烯烃环氧化的有效且可重复使用的催化剂的应用

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摘要

Molybdenum hexacarbonyl encapsulated in polystyrene, Mo(CO)6@PS, was prepared by suspension polymerization of styrene and divinylbenzene in the presence of Mo(CO)6. This catalyst was found as an efficient catalyst for epoxidation of a wide variety of alkenes, including aromatic and aliphatic terminal ones using tert-butyl hydroperoxide as oxidant. This new heterogenized molybdenum carbonyl catalyst could be easily recovered by simple filtration and was reused ten consecutive times without loss of its catalytic activity.
机译:通过在Mo(CO)6的存在下苯乙烯和二乙烯基苯的悬浮聚合反应制得封装在聚苯乙烯Mo(CO)6 @ PS中的六羰基钼。发现该催化剂是使用叔丁基过氧化氢作为氧化剂对多种烯烃进行环氧化的有效催化剂,包括芳族和脂族端基。这种新型的异质羰基钼钼催化剂可通过简单过滤轻松回收,并连续十次重复使用,而不会损失其催化活性。

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