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    • 3. 发明申请
    • MODIFIED NUCLEOTIDES FOR POLYNUCLEOTIDE SEQUENCING
    • 用于多核苷酸序列的修饰核苷酸
    • WO2004018497A3
    • 2004-06-17
    • PCT/GB0303686
    • 2003-08-22
    • SOLEXA LTDMILTON JOHNWU XIAOLINSMITH MARKBRENNAN JOSEPHBARNES COLINLIU XIAOHAIRUEDIGER SILKE
    • MILTON JOHNWU XIAOLINSMITH MARKBRENNAN JOSEPHBARNES COLINLIU XIAOHAIRUEDIGER SILKE
    • C07H19/06C07H19/10C07H19/16C07H19/20C07H21/00C12Q1/68G01N33/53
    • C12Q1/6869C07H1/00C07H19/06C07H19/10C07H19/14C07H19/16C07H19/20C07H21/00C12Q2525/186C12Q2535/113Y02P20/55C12Q2525/197
    • The invention provides modified nucleotide or nucleoside molecule comprising a purine or pyrimidine base and a ribose or deoxyribose sugar moiety having a removable 3'-OH blocking group covalently attached thereto, such that the 3' carbon atom has attached a group of the structure -O-Z wherein Z is any of -C(R')2-O-R", -C(R')2-N(R")2,-C(R')2-N(H)R", -C(R')2-S-R" and -C(R')2-F, wherein each R" is or is part of a removable protecting group; each R' is independently a hydrogen atom, an alkyl, substituted alkyl, arylalkyl, alkenyl, alkynyl, aryl, heteroaryl, heterocyclic, acyl, cyano, alkoxy, aryloxy, heteroaryloxy or amido group, or a detectable label attached through a linking group; or (R')2 represents an alkylidene group of formula =C(R''')2 wherein each R''' may be the same or different and is selected from the group comprising hydrogen and halogen atoms and alkyl groups; and wherein said molecule may be reacted to yield an intermediate in which each R" is exchanged for H or, where Z is -C(R')2-F, the F is exchanged for OH, SH or NH2, preferably OH, which intermediate dissociates under aqueous conditions to afford a molecule with a free 3'OH; with the proviso that where Z is -C(R')2-S-R", both R' groups are not H.
    • 本发明提供了修饰的核苷酸或核苷分子,其包含嘌呤或嘧啶碱基和核糖或脱氧核糖糖部分,其具有共价连接到其上的可移除的3'-OH封闭基团,使得3'碳原子连接有一组结构-OZ 其中Z是-C(R')2 -OR“,-C(R')2 -N(R”)2,-C(R')2 -N(H)R“, - C ')2-SR“和-C(R')2 -F,其中每个R”是或是可除去保护基的一部分;每个R'独立地是氢原子,烷基,取代的烷基,芳基烷基,烯基, 炔基,芳基,杂芳基,杂环,酰基,氰基,烷氧基,芳氧基,杂芳氧基或酰胺基,或通过连接基团连接的可检测标记;或(R')2表示式= C(R“ )2,其中每个R“可以相同或不同,并且选自氢和卤素原子和烷基;并且其中所述分子可以反应以产生其中每个R”被交换为H或 ,Z 是-C(R')2 -F,F被交换成OH,SH或NH 2,优选OH,该中间体在水溶液条件下解离以得到具有游离3'OH的分子; 条件是其中Z是-C(R')2 -S-R“,两个R'基团不是H.