prepared. The copolymers were prepared with various proportions of monomers and converted to organotin oxides and organotin carboxylates. Copolymer-bound organotin oxides, as a mixture of stannol and distannoxane, have been shown to catalyze the lactonization of hydroxycarboxylic acids.
从聚-3-和衍生的新的
有机锡共聚物聚4-(2-二-正- butylchlorostannyl)ethylstyrene-共-divinylbenzene-共-
苯乙烯已经制备。用各种比例的单体制备共聚物,并将其转化为
有机锡氧化物和
有机锡羧酸盐。已显示出与共聚物结合的
有机锡氧化物(作为
锡烷醇和二
锡氧烷的混合物)可催化羟基
羧酸的内酯化反应。