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    • 2. 发明授权
    • 3-nitropyrrole nucleoside
    • 3-硝基吡咯核苷
    • US5438131A
    • 1995-08-01
    • US946971
    • 1992-09-16
    • Donald E. BergstromPhilip C. AndrewsRuthann NicholsPeiming Zhang
    • Donald E. BergstromPhilip C. AndrewsRuthann NicholsPeiming Zhang
    • C12Q1/68C07H19/04C07H19/044C07H19/052C07H19/056C07H19/24C07H21/00C07H15/12C07H5/04C07H17/00C07H19/00
    • C07H21/00C07H19/04C07H19/044C07H19/052C07H19/056C07H19/24
    • Oligonucleotides having at least ten nucleosides, at least two of which are selected from the group consisting of A, T, C and G, and at least one nucleoside being a universal nucleoside of the formula: ##STR1## wherein: each R.sub.n is H, OH, F or OCH.sub.3 ;Z is a member of the group consisting of O, S and CH.sub.2 ; andB is a five-membered, heterocyclic base having at least two double bonds, and further having an electron withdrawing group bonded thereto, said base with electron withdrawing group being represented by the formula: ##STR2## wherein: said base with electron withdrawing group is bonded at X.sub.4 to the sugar portion of the nucleoside;X.sub.1, X.sub.3 and X.sub.5 are each members of the group consisting of N, O, C, S and Se;X.sub.2 and X.sub.4 are each members of the group consisting of N and C; andW is a member of the group consisting of F, Cl, Br, I, O, S, OH, SH, NH.sub.2, NO.sub.2, C(O)H, C(O)NHOH, C(S)NHOH, NO, C(NOCH.sub.3)NH.sub.2, OCH.sub.3, SCH.sub.3, SeCH.sub.3, ONH.sub.2, NHOCH.sub.3, N.sub.3, CN, C(O)NH.sub.2, C(NOH)NH.sub.2, CSNH.sub.2 and CO.sub.2 H.
    • 具有至少十个核苷的寡核苷酸,其中至少两个选自A,T,C和G,以及至少一种核苷,其为下式通用核苷:其中:每个Rn为H, OH,F或OCH 3; Z是由O,S和CH2组成的组的成员; 并且B是具有至少两个双键的五元杂环碱基,并且还具有与其结合的吸电子基团,所述具有吸电子基团的碱基由下式表示:其中:所述具有吸电子基团的碱 在X4键合到核苷的糖部分; X1,X3和X5分别是由N,O,C,S和Se组成的组的成员; X2和X4分别是由N和C组成的组的成员; 并且W是由F,Cl,Br,I,O,S,OH,SH,NH 2,NO 2,C(O)H,C(O)NHOH,C(S)NHOH, C(NOCH 3)NH 2,OCH 3,SCH 3,SeCH 3,ONH 2,NHOCH 3,N 3,CN,C(O)NH 2,C(NOH)NH 2,CSNH 2和CO 2 H。
    • 7. 发明授权
    • Oligonucleotides having universal nucleoside spacers
    • 具有通用核苷间隔物的寡核苷酸
    • US5681947A
    • 1997-10-28
    • US330423
    • 1994-10-28
    • Donald Eugene BergstromPhilip Charles AndrewsRuthann NicholsPeiming Zhang
    • Donald Eugene BergstromPhilip Charles AndrewsRuthann NicholsPeiming Zhang
    • C12Q1/68C07H19/04C07H19/044C07H19/052C07H19/056C07H19/24C07H21/00C07H5/04C07H5/06
    • C07H21/00C07H19/04C07H19/044C07H19/052C07H19/056C07H19/24
    • Oligonucleotides having at least ten nucleosides, at least two of which are selected from the group consisting of A, T, C and G, and at least one nucleoside being a universal nucleoside of the formula: ##STR1## wherein: each R.sub.n is H, OH, F or OCH.sub.3 ; Z is a member of the group consisting of O, S and CH.sub.2 ; and B is a five-membered, heterocyclic base having at least two double bonds, and further having an electron withdrawing group bonded thereto, said base with electron withdrawing group being represented by the formula: ##STR2## wherein: said base with electron withdrawing group is bonded at X.sub.4 to the sugar portion of the nucleoside; X.sub.1, X.sub.3 and X.sub.5 are each members of the group consisting of N, O, C, S and Se; X.sub.2 and X.sub.4 are each members of the group consisting of N and C; and W is a member of the group consisting of F, Cl, Br, I, O, S, OH, SH, NH.sub.2, NO.sub.2, C(O)H, C(O)NHOH, C(S)NHOH, NO, C(NOCH.sub.3)NH.sub.2, OCH.sub.3, SCH.sub.3, SeCH.sub.3, ONH.sub.2, NHOCH.sub.3, N.sub.3, CN, C(O)NH.sub.2, C(NOH)NH.sub.2, CSNH.sub.2 and CO.sub.2 H.
    • 具有至少十个核苷的寡核苷酸,其中至少两个选自A,T,C和G,以及至少一种核苷,其为下式通用核苷:其中:每个Rn为H, OH,F或OCH 3; Z是由O,S和CH2组成的组的成员; 并且B是具有至少两个双键的五元杂环碱基,并且还具有与其结合的吸电子基团,所述具有吸电子基团的碱基由下式表示:其中:所述具有吸电子基团的碱 在X4键合到核苷的糖部分; X1,X3和X5分别是由N,O,C,S和Se组成的组的成员; X2和X4分别是由N和C组成的组的成员; 并且W是由F,Cl,Br,I,O,S,OH,SH,NH 2,NO 2,C(O)H,C(O)NHOH,C(S)NHOH, C(NOCH 3)NH 2,OCH 3,SCH 3,SeCH 3,ONH 2,NHOCH 3,N 3,CN,C(O)NH 2,C(NOH)NH 2,CSNH 2和CO 2 H。