Novel fluorescent markers of Formula I:
are disclosed herein, wherein X and Y are independently or together absent or are independently selected from
R and R1 are independently selected from H and alkyl; Ar is phenyl or heteroaryl; L is absent or a spacer selected from the group consisting of —NH—; —(CH2)nNH—; —NHSO2—; —(CH2)nNHCO—; -(cycloalkyl)NHCO—; —(CH2)nNHSO2—; -(cycloalkyl)NHSO2—; —CONH(CH2)nNHCO—; —CONH(cycloalkyl)NHCO—; —NHCO(CH2)nNHCO—; —NHCO(cycloalkyl)NHCO—; —(CH2)nSO2NH—; -(cycloalkyl)SO2NH—; —(CH2)nNHCSNH—; -(cycloalkyl)NHCSNH—; —CR═CR1—; —C≡C—; —(CH2)nN═CH—; -(cycloalkyl)N═CH—; —N═CH(CH2)—; —N═CH(cycloalkyl)-;
n is an integer ranging from 1 to 5; F is a fluorophore selected from the group consisting of fluorescein, rhodamine, eosin, thionine, safranin, coumarin, methoxycoumarin, dansyl, BODIPY and BODIPY derivatives; and wherein X, Y and L may be positioned in a 1,3,5; 1,2,3; 1,3,4 or in a 3,4,5 configuration respectively.
本文披露了一种新颖的荧光标记物,其中X和Y可以独立或一起缺失,也可以分别选择自R和R1,R和R1可以分别选择自H和烷基;Ar为苯基或杂环芳基;L可以是缺失或从以下组中选择的间隔物,该组包括—NH—;—(
CH2)nNH—;—NHSO2—;—( )nNHCO—;-(环烷基)NHCO—;—( )nNHSO2—;-(环烷基)NHSO2—;—CONH( )nNHCO—;—CONH(环烷基)NHCO—;—NHCO( )nNHCO—;—NHCO(环烷基)NHCO—;—( )nSO2NH—;-(环烷基)SO2NH—;—( )nNHCSNH—;-(环烷基)NHCSNH—;—CR═CR1—;—C≡C—;—( )nN═CH—;-(环烷基)N═CH—;—N═CH( )—;—N═CH(环烷基)-;n为1到5的整数;F为从
荧光素、
罗丹明、
苏丹、
亚甲基蓝、藏红、
香豆素、甲氧基
香豆素、丹磺酰基、BODIPY和BODIPY衍
生物组中选择的荧光团;其中X、Y和L可以分别位于1,3,5;1,2,3;1,3,4或3,4,5配置中。