INTERMEDIATES FOR OLIGONUCLEOTIDE SYNTHESIS
    3.
    发明公开
    INTERMEDIATES FOR OLIGONUCLEOTIDE SYNTHESIS 失效
    中间体合成寡核苷酸

    公开(公告)号:EP0906327A2

    公开(公告)日:1999-04-07

    申请号:EP97924155.0

    申请日:1997-06-03

    申请人: Novartis AG

    IPC分类号: C07H19 C07H21

    CPC分类号: C07H19/04 Y02P20/55

    摘要: A compound of formula (I) where B1 is a radical of a nucleoside base, R1 is hydrogen or a hydroxy-protecting group, R2 is hydrogen, hydroxy or a 2' nucleoside-modifying atom or group, R3 is an unsubstituted or substituted C¿1? to C10 alkyl, C2 to C10 alkenyl, C4 to C10 cycloalkylalkyl, C6 to C10 aryl or C7 to C13 aralkyl group, and Z is halogen or a group of formula (II) where R?4 and R5¿ are each independently an unsubstituted or substituted C¿1? to C10 alkyl, C2 to C10 alkenyl, C4 to C10 cycloalkylalkyl, C6 to C10 aryl or C7 to C13 aralkyl group, or R?4¿ is said group and R5 is hydrogen, or R?4 and R5¿ together with the nitrogen atom to which they are attached denote a five- to thirteen-membered heterocyclic ring, or Z is a group of formula (III): Nuc-¿O?-, where Nuc is the residue of a natural or synthetic nucleoside or oligonucleotide after removal of a 5'-hydroxyl group therefrom attached through a 5' methylene thereof to the indicated oxygen atom.

    INTERMEDIATES FOR DINUCLEOTIDE AND OLIGONUCLEOTIDE ANALOGUES
    8.
    发明公开
    INTERMEDIATES FOR DINUCLEOTIDE AND OLIGONUCLEOTIDE ANALOGUES 失效
    中间体二核苷酸和寡核苷酸类似物

    公开(公告)号:EP0778843A1

    公开(公告)日:1997-06-18

    申请号:EP95928582.0

    申请日:1995-08-17

    申请人: Novartis AG

    摘要: A compound of formula (I) or salts thereof, where Ro is hydrogen or together with R7O denotes a C¿1?-C15 hydrocarbylidenedioxy group, R?1¿ is hydrogen, R1a or a group of formula (II), R1a is R1b or a protecting group Q, R1b is C1-C20 alkyl, C2-C20 alkenyl, C3-C10 cycloalkyl, C6-C15 aryl, C7-C16 aralkyl or a 5- or 6-membered heterocyclic group attached by a carbon atom in the heterocyclic group to the indicated phosphorus atom, R2 is R2a or -OR15 or together with R5 denotes an oxy group -O-, provided that R?2 is -OR15 when R1¿ is a group of formula (II), R2a is a C1-C20 aliphatic group, a C3-C10 cycloaliphatic group, a C6-C15 aromatic group, a C7-C16 araliphatic group, or a 5- or 6-membered heterocyclic group attached by a carbon atom in the heterocyclic group to the indicated phosphorus atom, R3 is R3a or Z, R3a is hydrogen, halogen, hydroxy, R?16, -OR16, OCOR16¿, -OSO¿2R?16, or tri(C¿1?-C15 hydrocarbyl)silyloxy, R?4¿ is hydrogen, halogen or R?17, R5 is R5¿a or Z or together with R2 denotes an oxy group -O-, R5a is hydrogen, halogen, hydroxy, R?18, -OR18, -OCOR18¿, -OSO¿2R?18, or tri(C¿1?-C15 hydrocarbyl)silyloxy, or together with R?6¿ denotes a C¿1?-C15 hydrocarbylidenedioxy group, R?6¿ is halogen, hydroxy, -OR?19, -OCOR19¿, -OSO¿2?R?19 or B1¿, or together with R5 denotes a C¿1?-C15 hydrocarbylidenedioxy group, provided that R?6¿ is not B?1 when R1¿ is a group of formula (II) in which R?14 is B2, R7¿ is hydrogen or R7a, R7a is R?20, -COR20, -SO¿2R20 or tri(C¿1?-C15 hydrocarbyl)silyl, or together with the attached oxygen atom and R?o¿ denotes a C¿1?-C15 hydrocarbylidenedioxy group, R?8¿ is hydrogen, halogen, hydroxy, R?21, -OR21, -OCOR21¿, -OSO¿2R?21 or together with R10 denotes a valence bond, R9 is hydrogen, halogen or R22, R10 is hydrogen, halogen, hydroxy, R?23, -OR23, -OCOR23¿ or -OSO¿2R?23, or together with R8 denotes a valence bond, R11 is hydrogen, halogen or R24, R12 is hydrogen or R12a, or R12O- together with R13 denotes a C¿1?-C15 hydrocarbylidenedioxy group, R?12¿a is R?25, -COR25, -SO¿2R25 or tri(C¿1?-C15 hydrocarbyl)silyl, R?13 is R13¿a or Z, R13a is hydrogen, halogen, hydroxy, R?26, -OR26, -OCOR26¿, -OSO¿2R?26 or tri(C¿1?-C15 hydrocarbyl)silyloxy, or together with R?14¿ denotes a C¿1?-C15 hydrocarbylidenedioxy group, or together with R?12¿O- denotes a C¿1?-C15 hydrocarbylidenedioxy group, R?14¿ is halogen, hydroxy, -OR?27, -OCOR27¿, -OSO¿2?R?27 or B2¿ or together with R13 denotes a C¿1?-C15 hydrocarbylidenedioxy group, provided that R?14¿ is not B?2 when R6 is B1, R15¿ is hydrogen or R15a, R15a is a C1 to C10 aliphatic group, a C3 to C8 cycloaliphatic group, a C6 to C15 aromatic group or a C7 to C16 araliphatic group, R?16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26 and R27¿ are independently a C¿1? to C10 aliphatic group, a C3 to C10 cycloaliphatic group, a C6 to C15 aromatic group or a C7 to C30 araliphatic group, B?1 and B2¿ are independently each a monovalent nucleoside base radical, and Z is substituted or unsubstituted C¿6? to C10 aryloxythiocarbonyloxy.