Novel ester derivatives of ascorbic acid and 2-keto-acid saccharides are provided wherein the ester is introduced by ester bond formation between at least one hydroxy-functionality on the ascorbic acid or 2-keto-acid saccharide and a carboxy-functional organosiloxane, or between a 2-keto-gulonic acid and a hydroxy-functional organosiloxane, as well as methods for their synthesis. Treatment, cosmetic, and personal care formulations comprising the novel esters are also provided, including controlled release forms thereof.
提供了新型
维生素C酯衍
生物和2-
酮酸糖衍
生物,其中酯是通过
维生素C酸或2-
酮酸糖中至少一个羟基功能基团与羧基功能有机
硅氧烷之间的酯键形成引入的,或者通过2-酮戈龙酸与羟基功能有机
硅氧烷之间的酯键形成引入,同时提供了它们的合成方法。还提供了包括其控释形式在内的治疗、化妆品和个人护理配方,其中含有这些新型酯。