ONE-CLASS BI-BENZYL PENTAMETHYL CYANINE FLUORESCENT DYE, AND PREPARATION METHOD AND APPLICATION THEREOF

摘要

A one-class bi-benzyl pentamethyl cyanine fluorescent dye, and a preparation method and application thereof. The fluorescent dye has the structure of a general formula I. In the formula I, X- is selected from a halogen anion, ClO4 -, PF6 -, CF3 -, BF4 -, R1CO2 -, R2SO3 - or OTs-, wherein R1 and R2 are respectively and independently selected from C1-12 alkyl or aryl. The compound can be used for the fluorescent specificity marker of living cell mitochondria or fixed cell mitochondria.