Compounds of general formula I wherein Fc and Fc′ may be the same or different and are substituted ferrocenyl moieties having at least one ring substituent selected from sulfur-containing groups, phosphorus-containing groups, iodo, chloro, silyl, fluoroalkyl groups containing two or more fluorine atoms, heteroaryl, substituted phenyl, and cyano, wherein if present as sole substituent the cyano group is located on the proximal cyclopentadienyl ring; X is a spacer, Y is a spacer, Z is a spacer; and R is a linker group. Compound I may be used to make labelled substrates, functionalised compounds for making labelled substrates and may be used as labels in an electrochemical assay.
通式 I 的化合物 其中 Fc 和 Fc′可以相同或不同,并且是具有至少一个环取代基的
二茂铁取代基,这些环取代基选 自含
硫基团、含
磷基团、
碘基、
氯基、
硅基、含两个或多个
氟原子的氟烷基、杂芳基、取代苯基和
氰基,其中如果
氰基作为唯一取代基存在,则
氰基位于近端
环戊二烯环上;X 是间隔物,Y 是间隔物,Z 是间隔物;R 是连接基团。化合物 I 可用于制造标记底物、用于制造标记底物的官能化化合物,也可用作电
化学检测中的标记。