Three novel polymer-supported iodobenzene compounds A0, A6, and A10 were prepared from the reaction of commercially available cross-linked poly(p-chloromethyl)styrene with m-iodobenzylalcohol, 6-(m-iodobenzyloxy)-1-hexanol, and 10-(m-iodobenzyloxy)-1-decanol. Their catalytic reactivity and reusability for the oxidative α-tosyloxylation of ketones and the cyclization of N-methoxy-2-arylethanesulfonamides
三种新型聚合物负载的
碘苯化合物A 0,A 6和A 10从可商购的交联聚(的反应制备p
氯甲基)
苯乙烯与米-iodobenzylalcohol,6-(米-iodobenzyloxy)-
1-己醇和10-(米-iodobenzyloxy)-1-
癸醇。它们对酮的氧化α-对
甲苯磺酰和的环化催化活性和可重用性Ñ在存在甲氧基-2- arylethanesulfonamides米
氯过
苯甲酸(米CPBA)被证实提供α-tosyloxyketones和Ñ-甲氧基-3,4-二氢-2,1-苯并
噻嗪-2,2-二氧化物的收率很高。 聚合物支撑的Φ -再循环米CPBA - α-tosyloxyketone -酮- ñ -甲氧基-3,4-二氢-2,1-苯并
噻嗪2,2-二氧化物-催化剂