Carbosilane dendrimer with allyl end groups is bonded to silicagel.Reactions between the dendrimers and acid-processed silicagel take place with toluene reflux and organic base as catalyst.

• 含有烯丙基末端基的第二代硅碳烷树枝状大分子与硅胶在甲苯回流及有机碱作酸吸收剂下进行反应。