Dibenzorhodamine compounds having the structure
1
are disclosed, including nitrogen- and aryl-substituted forms thereof. In addition, two intermediates useful for synthesizing such compounds are disclosed, a first intermediate having the structure
2
including nitrogen- and aryl-substituted forms thereof, and a second intermediate having the structure
3
including nitrogen- and aryl-substituted forms thereof, wherein substituents at positions C-14 to C18 taken separately are selected from the group consisting of hydrogen, chlorine, fluorine, lower alkyl, carboxylic acid, sulfonic acid, —CH
2
OH, alkoxy, phenoxy, linking group, and substituted forms thereof. The invention further includes energy transfer dyes comprising the dibenzorhodamine compounds, nucleosides labeled with the dibenzorhodamine compounds, and nucleic acid analysis methods employing the dibenzorhodamine compounds.
本发明公开了具有结构1的二苯基
罗丹明化合物,包括其氮代和芳基取代形式。此外,还公开了用于合成这种化合物的两种中间体,第一中间体具有结构2,包括其氮代和芳基取代形式,第二中间体具有结构3,包括其氮代和芳基取代形式,其中在C-14到C18位置的取代基单独选择自氢、
氯、
氟、低碳基、
羧酸、
磺酸、—CH2OH、烷氧基、苯氧基、连接基和其取代形式的群。本发明还包括包含二苯基
罗丹明化合物的能量转移
染料,使用二苯基
罗丹明化合物标记的核苷酸和使用二苯基
罗丹明化合物的核酸分析方法。