The chemistry of the thiacrowns,especially,of the polymer-supported thiacrowns,has not been developed to the extend of the crowns or azacrowns.Very few functionalized thiacrown compunds have been prepared.No paper con...The chemistry of the thiacrowns,especially,of the polymer-supported thiacrowns,has not been developed to the extend of the crowns or azacrowns.Very few functionalized thiacrown compunds have been prepared.No paper concerning the polymer-supported thiacrowns platinum complexes and their catalytic behavior has been published yet.In this paper,the synthesis of fumed silica-supported polyundecyloxymethyl-1,4-dithia-7,10,13-trioxa cyclopentadecane siloxane and silica-supported poly-undecyloxymethyl-1,4-dithia-7,10,13,16-tetraoxacyclooctadecane siloxane,as well as their platinum complexes,and the catalytic activity of the complexes for the hydrosilylation of olefins with triethoxysilane are reported.展开更多
文摘The chemistry of the thiacrowns,especially,of the polymer-supported thiacrowns,has not been developed to the extend of the crowns or azacrowns.Very few functionalized thiacrown compunds have been prepared.No paper concerning the polymer-supported thiacrowns platinum complexes and their catalytic behavior has been published yet.In this paper,the synthesis of fumed silica-supported polyundecyloxymethyl-1,4-dithia-7,10,13-trioxa cyclopentadecane siloxane and silica-supported poly-undecyloxymethyl-1,4-dithia-7,10,13,16-tetraoxacyclooctadecane siloxane,as well as their platinum complexes,and the catalytic activity of the complexes for the hydrosilylation of olefins with triethoxysilane are reported.
