作者:Tomáš David、Jan Kotek、Vojtěch Kubíček、Zdeněk Tošner、Petr Hermann、Ivan Lukeš
DOI:10.1002/hc.21108
日期:2013.9
acidic and/or alkaline hydrolysis. Three bis(phosphonate)-containing fluorescent probes were prepared from the building blocks, utilizing amide and sulfamide bonds as spacers. Dyes containing the dansyl group, rhodamine B, and fluorescein were chosen due to their common availability and low cost. The prepared bis(phosphonate)-building blocks and modified fluorescent probes were used for adsorption studies
描述了在苯环上用伯胺或羧酸基团改性的两种苄基双(膦酸)的制备。这些化合物以双(膦酸酯)四酯和相应游离酸的形式制备和表征。膦酸酯适合进一步衍生,主要用于通过酰胺键的共轭。使用三甲基甲硅烷基溴将双(膦酸酯)酯温和转化为游离酸,允许与对酸性和/或碱性水解条件敏感的官能团一起工作。使用酰胺和磺酰胺键作为间隔物,从构建块制备了三个含双(膦酸酯)的荧光探针。选择含有丹磺酰基、罗丹明 B 和荧光素的染料是因为它们的通用性和低成本。制备的双(膦酸盐)-构建块和修饰的荧光探针用于对羟基磷灰石的吸附研究,羟基磷灰石是常用的骨组织模型。制备的双(膦酸盐)化合物的吸附能力与帕米膦酸盐相似。