Nonpolar thymidine analogs are provided comprising a dihalogenated or trihalogenated base of the structure:
where R
1
is a sugar moiety;
R
2
is H or CH
3
; an imaging moiety or a cytotoxic moiety and
X
1
and X
2
are independently selected from I, Cl, Br, and F, with the proviso that not more than one F will be present at these positions.
提供了非极性的胸腺
嘧啶类似物,包括结构为的二卤化或三卤化碱基,其中R1是糖基;R2是H或
CH3;成像基团或细胞毒基团,以及X1和X2分别选自I、Cl、Br和F,但F在这些位置上不会超过一个。