Dinucleotide analogues, intermediates therefor and oligonucleotides derived therefrom
申请人:CIBA-GEIGY AG
公开号:EP0629633A2
公开(公告)日:1994-12-21
A compound of formula
where R1 is hydrogen, R1a or a group of formula
R1a is Rlb 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 an unsubstituted or substituted C1-C20 alkyl or C2-C20 alkenyl group, an unsubstituted or substituted C3-C10 cycloalkyl group, an unsubstituted or substituted C6-C15 aryl group, an unsubstituted or substituted C7-C16 aralkyl 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 hydrogen, halogen, hydroxy, R15, -OR15 or -OSO2R15
R4 is R4a or together with R6 denotes a valence bond,
R4a is hydrogen, halogen or R16,
R5 is hydrogen, halogen, hydroxy, R17, -OR17, -OCOR17 or -OSO2R17,
R6 is hydrogen, halogen or R18, or together with R4 denotes a valence bond,
R7 is hydrogen, alkyl-N, N-dialkylphosphoramidyl or R7a, or R70- together with R8a denotes a C1-C15 hydrocarbylidenedioxy group,
R7a is R19, -COR19, -SO2R19 or tri(C1-C15 hydrocarbyl)silyl,
R8 is R8a or Z,
R8a is hydrogen, halogen, hydroxy, R20, -OR20, -OCOR20, -OSO2R20, or tri(C1-C15 hydrocarbyl)silyloxy, or together with R9 denotes a C1-C15 hydrocarbylidenedioxy group, or together with R70- denotes a C1-C15 hydrocarbylidenedioxy group,
R9 is halogen, hydroxy, -OR21, -OCOR21, -OSO2R21, or B2, or together with R8a denotes a C1-C15 hydrocarbylidenedioxy group,
R10 is hydrogen or R10a,
R10a is R22, -COR22, -SO2R22 or tri(C1-C15 hydrocarbyl)silyl,
R11 is hydrogen, halogen, hydroxy, R23, -OR23, -OCOR23, -OSO2R23 or Z,
R12 is hydrogen, halogen or R24,
R13 is R13a or Z,
R13a is hydrogen, halogen, hydroxy, R25, -OR25, -OCOR25, -OSO2R25, or tri(C1-C15 hydrocarbyl)silyloxy, or together with R14 denotes a C1-C15 hydrocarbylidenedioxy group,
R14 is halogen, hydroxy, -OR26, -OCOR26, -OSO2R26, or Bl, or together with R13a denotes a C1-C15 hydrocarbylidenedioxy group,
R15, R16, R17, R18, R19 R20, R21, R22, R23, R24, R25 and R26 are independently a C1 to C10aliphatic group, a C3 to C10 cycloaliphatic group, a C6 to C15 aromatic group or a C7-C30 araliphatic group,
B1 and B2 are independently each a monovalent nucleoside base radical, and
Z is substituted or unsubstituted C6-C10 aryloxythiocarbonyloxy; provided that compounds where simultaneously R1, R3, R4 and R6 are hydrogen, R2 is isopropyl, R5 is methoxy, R7 is methyl, R8 and R9 are each hydroxy or each acetoxy or R8 and R9 together denote isopropylidenedioxy, compounds where simultaneously R1, R3, R4 and R6 are hydrogen, R2 is butyl, R5 is methoxy, R7 is benzyl, R8 and R9 are each hydroxy or each acetoxy or R8 and R9 together denote isopropylidenedioxy, and compounds where simultaneously R1, R3, R4, R5, R6 and R7 are hydrogen, R2 is phenyl and R8 and R9 together denote isopropylidenedioxy are excluded.
式中的化合物
其中 R1 是
氢、R1a 或一个式基团
R1a 是 Rlb 或保护基团 Q、
R1b 是 C1-C20 烷基、C2-C20
烯基、C3-C10
环烷基、C6-C15 芳基、C7-C16 芳烷基或通过杂环基团中的
碳原子连接到所指
磷原子的 5 或 6 位杂环基团、
R2 是未取代或取代的 C1-C20 烷基或 C2-C20
烯基、未取代或取代的 C3-C10
环烷基、未取代或取代的 C6-C15 芳基、未取代或取代的 C7-C16 芳烷基或通过杂环基团中的
碳原子连接到所指
磷原子的 5 或 6 分子杂环基团、
R3 是
氢、卤素、羟基、R15、-OR15 或 -
OSO2R15
R4 是 R4a 或与 R6 一起表示价键、
R4a 是
氢、卤素或 R16、
R5 是
氢、卤素、羟基、R17、-OR17、-OCOR17 或 -
OSO2R17、
R6 是
氢、卤素或 R18,或与 R4 一起表示价键、
R7 是
氢、烷基-N,N-二烷基
磷酰胺基或 R7a,或 R70- 与 R8a 一起表示 C1-C15 亚烷基二
氧基、
R7a是R19、-COR19、-SO2R19或三(C1-C15烃基)
硅烷基、
R8 是 R8a 或 Z、
R8a 是
氢、卤素、羟基、R20、-OR20、-OCOR20、-
OSO2R20 或三(C1-C15
碳氢基)
硅氧基,或与 R9 一起表示 C1-C15
碳氢基二
氧基,或与 R70- 一起表示 C1-C15
碳氢基二
氧基、
R9 是卤素、羟基、-OR21、-OCOR21、-
OSO2R21 或 B2,或与 R8a 一起表示 C1-C15 亚烃基二
氧基、
R10 是
氢或 R10a、
R10a 是
R22、-CO
R22、-SO2
R22 或三(C1-C15烃基)
硅烷基、
R11 是
氢、卤素、羟基、R23、-OR23、-OCOR23、-
OSO2R23 或 Z、
R12 是
氢、卤素或 R24、
R13 是 R13a 或 Z、
R13a 是
氢、卤素、羟基、R25、-OR25、-OCOR25、-
OSO2R25 或三(C1-C15 烃基)
硅氧基,或与 R14 一起表示 C1-C15 烃基二
氧基、
R14 是卤素、羟基、-OR26、-OCOR26、-
OSO2R26 或 Bl,或与 R13a 一起表示 C1-C15
碳氢亚烷基二
氧基、
R15、R16、R17、R18、R19、R20、R21、
R22、R23、R24、R25 和 R26 独立地是 C1-C10
脂肪族基团、C3-C10 环脂族基团、C6-C15 芳族基团或 C7-C30
脂肪醛基团、
B1 和 B2 各自独立地为单价核苷碱基,且
Z 是取代或未取代的 C6-C10 芳
氧基
硫代羰
氧基;条件是同时 R1、R3、R4 和 R6 为
氢、R2 为
异丙基、R5 为甲
氧基、R7 为
甲基、R8 和 R9 各自为羟基或各自为乙酰
氧基或 R8 和 R9 共同表示异亚丙基二
氧基的化合物,同时 R1、R3、R4 和 R6 为
氢的化合物、R2 是丁基,R5 是甲
氧基,R7 是
苄基,R8 和 R9 各自是羟基或各自是乙酰
氧基或 R8 和 R9 共同表示异亚丙基二
氧基的化合物,以及 R1、R3、R4、R5、R6 和 R7 同时是
氢,R2 是
苯基,R8 和 R9 共同表示异亚丙基二
氧基的化合物除外。