An efficient synthesis of a series of carbosilane dendrimers uniformly functionalized with sialyl alpha(2–>3) lactose (Neu5Acalpha(2–>3)Galbeta(1–>4)Glcbeta1–>) moieties was accomplished. The results of a preliminary study on biological responses against influenza virus hemagglutinin, using the sialyl lactose clusters showed unique biological activities on the basis of the structure-activity relationship according to the carbosilane scaffolds.
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