申请人:Novartis Finance Corporation
公开号:US05952478A1
公开(公告)日:1999-09-14
A compound of formula (I) or salts thereof, where R.sup.0 is hydrogen or together with R.sup.7 O denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, R.sup.1 is hydrogen, R.sup.1.sub.a or a group of formula (II), R.sup.1.sub.a is R.sup.1.sub.b or a protecting group Q, R.sup.1.sub.b is C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.20 alkenyl, C.sub.3 -C.sub.10 cycloalkyl, C.sub.6 -C.sub.15 aryl, C.sub.7 -C.sub.16 aralkyl or a 5- or 6-membered heterocyclic group attached by a carbon atom in the heterocyclic group to the indicated phosphorus atom, R.sup.2 is R.sup.2.sub.a or --OR.sup.15 or together with R.sup.5 denotes an oxy group --O--, provided that R.sup.2 is --OR.sup.15 when R.sup.1 is a group of formula (II), R.sup.2.sub.a is a C.sub.1 -C.sub.20 aliphatic group, a C.sub.3 -C.sub.10 cycloaliphatic group, a C.sub.6 -C.sub.15 aromatic group, a C.sub.7 -C.sub.16 araliphatic group, or a 5- or 6-membered heterocyclic group attached by a carbon atom in the heterocyclic group to the indicated phosphorus atom, R.sup.3 is R.sup.3.sub.a or Z, R.sup.3.sub.a is hydrogen, halogen, hydroxy, R.sup.16, --OR.sup.16, OCOR.sup.16, --OSO.sub.2 R.sup.16, or tri(C.sub.1 -C.sub.15 hydrocarbyl)silyloxy, R.sup.4 is hydrogen, halogen or R.sup.17, R.sup.5 is R.sup.5.sub.a or Z or together with R.sup.2 denotes an oxy group --O--, R.sup.5.sub.a is hydrogen, halogen, hydroxy, R.sup.18, --OR.sup.18, --OCOR.sup.18, --OSO.sub.2 R.sup.18, or tri(C.sub.1 -C.sub.15 hydrocarbyl)silyloxy, or together with R.sup.6 denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, R.sup.6 is halogen, hydroxy, --OR.sup.19, --OCOR.sup.19, --OSO.sub.2 R.sup.19 or B.sup.1, or together with R.sup.5 denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, provided that R.sup.6 is not B.sup.1 when R.sup.1 is a group of formula (II) in which R.sup.14 is B.sup.2, R.sup.7 is hydrogen or R.sup.7.sub.a, R.sup.7.sub.a is R.sup.20, --COR.sup.20, --SO.sub.2 R.sup.20 or tri(C.sub.1 -C.sub.15 hydrocarbyl)silyl, or together with the attached oxygen atom and R.sup.0 denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, R.sup.8 is hydrogen, halogen, hydroxy, R.sup.21, --OR.sup.21, --OCOR.sup.21, --OSO.sub.2 R.sup.21 or together with R.sup.10 denotes a valence bond, R.sup.9 is hydrogen, halogen or R.sup.22, R.sup.10 is hydrogen, halogen, hydroxy, R.sup.23, --OR.sup.23, --OCOR.sup.23 or --OSO.sub.2 R.sup.23, or together with R.sup.8 denotes a valence bond, R.sup.11 is hydrogen, halogen or R.sup.24, R.sup.12 is hydrogen or R.sup.12.sub.a, or R.sup.12 O-- together with R.sup.13 denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, R.sup.12.sub.a is R.sup.25, --COR.sup.25, --SO.sub.2 R.sup.25 or tri(C.sub.1 -C.sub.15 hydrocarbyl)silyl, R.sup.13 is R.sup.13.sub.a or Z, R.sup.13.sub.a is hydrogen, halogen, hydroxy, R.sup.26, --OR.sup.26, --OCOR.sup.26, --OSO.sub.2 R.sup.26 or tri(C.sub.1 -C.sub.15 hydrocarbyl)silyloxy, or together with R.sup.14 denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, or together with R.sup.12 O-- denotes a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, R.sup.14 is halogen, hydroxy, --OR.sup.27, --OCOR.sup.27, --OSO.sub.2 R.sup.27, or B.sup.2 or together with R.sup.13 denoted a C.sub.1 -C.sub.15 hydrocarbylidenedioxy group, provided that R.sup.14 is not B.sup.2 when R.sup.6 is B.sup.1, R.sup.15 is hydrogen or R.sup.15.sub.a, R.sup.15.sub.a is a C.sub.1 to C.sub.10 aliphatic group, a C.sub.3 to C.sub.8 cycloaliphatic group, a C.sub.6 to C.sub.15 aromatic group or a C.sub.7 to C.sub.16 araliphatic group, R.sup.16, R.sup.17, R.sup.18, R.sup.19, R.sup.20, R.sup.21, R.sup.22, R.sup.23, R.sup.24, R.sup.25, R.sup.26 and R.sup.27 are independently a C.sub.1 to C.sub.10 aliphatic group, a C.sub.3 to C.sub.10 cycloaliphatic group, a C.sub.6 to C.sub.15 aromatic group or a C.sub.7 to C.sub.30 araliphatic group, B.sup.1 and B.sup.2 are independently each a monovalent nucleoside base radical, and Z is substituted or unsubstituted C.sub.6 to C.sub.10 aryloxythiocarbonyloxy. ##STR1##
化合物式(I)或其盐,其中R.sup.0是氢或与R.sup.7 O一起表示C.sub.1-C.sub.15烃基亚二氧基基团,R.sup.1是氢,R.sup.1.sub.a或式(II)的基团,R.sup.1.sub.a是R.sup.1.sub.b或保护基团Q,R.sup.1.sub.b是C.sub.1-C.sub.20烷基,C.sub.2-C.sub.20烯基,C.sub.3-C.sub.10环烷基,C.sub.6-C.sub.15芳基,C.sub.7-C.sub.16芳基烷基或附加在杂环基上的5-或6-成员杂环基,该杂环基通过杂环基中的碳原子连接到指示的
磷原子,R.sup.2是R.sup.2.sub.a或--OR.sup.15或与R.sup.5一起表示氧基--O--,前提是当R.sup.1是式(II)的基团时,R.sup.2是--OR.sup.15,R.sup.2.sub.a是C.sub.1-C.sub.20脂肪基,C.sub.3-C.sub.10环脂肪基,C.sub.6-C.sub.15芳基,C.sub.7-C.sub.16芳基烷基或附加在杂环基上的5-或6-成员杂环基,该杂环基通过杂环基中的碳原子连接到指示的
磷原子,R.sup.3是R.sup.3.sub.a或Z,R.sup.3.sub.a是氢,卤素,羟基,R.sup.16,--OR.sup.16,OCOR.sup.16,--OSO.sub.2 R.sup.16或三(C.sub.1-C.sub.15烃基)
硅氧基,R.sup.4是氢,卤素或R.sup.17,R.sup.5是R.sup.5.sub.a或Z或与R.sup.2一起表示氧基--O--,R.sup.5.sub.a是氢,卤素,羟基,R.sup.18,--OR.sup.18,--OCOR.sup.18,--OSO.sub.2 R.sup.18或三(C.sub.1-C.sub.15烃基)
硅氧基,或与R.sup.6一起表示C.sub.1-C.sub.15烃基亚二氧基基团,R.sup.6是卤素,羟基,--OR.sup.19,--OCOR.sup.19,--OSO.sub.2 R.sup.19或B.sup.1,或与R.sup.5一起表示C.sub.1-C.sub.15烃基亚二氧基基团,前提是当R.sup.1是式(II)的基团且R.sup.14是B.sup.2时,R.sup.6不是B.sup.1,R.sup.7是氢或R.sup.7.sub.a,R.sup.7.sub.a是R.sup.20,--COR.sup.20,--SO.sub.2 R.sup.20或三(C.sub.1-C.sub.15烃基)
硅基,或与附加的氧原子和R.sup.0表示C.sub.1-C.sub.15烃基亚二氧基基团,R.sup.8是氢,卤素,羟基,R.sup.21,--OR.sup.21,--OCOR.sup.21,--OSO.sub.2 R.sup.21或与R.sup.10表示一个价键,R.sup.9是氢,卤素或R.sup.22,R.sup.10是氢,卤素,羟基,R.sup.23,--OR.sup.23,--OCOR.sup.23或--OSO.sub.2 R.sup.23,或与R.sup.8表示一个价键,R.sup.11是氢,卤素或R.sup.24,R.sup.12是氢或R.sup.12.sub.a,或R.sup.12 O--与R.sup.13一起表示C.sub.1-C.sub.15烃基亚二氧基基团,R.sup.12.sub.a是R.sup.25,--COR.sup.25,--SO.sub.2 R.sup.25或三(C.sub.1-C.sub.15烃基)
硅基,R.sup.13是R.sup.13.sub.a或Z,R.sup.13.sub.a是氢,卤素,羟基,R.sup.26,--OR.sup.26,--OCOR.sup.26,--OSO.sub.2 R.sup.26或三(C.sub.1-C.sub.15烃基)
硅氧基,或与R.sup.14表示C.sub.1-C.sub.15烃基亚二氧基基团,或与R.sup.12 O--表示C.sub.1-C.sub.15烃基亚二氧基基团,R.sup.14是卤素,羟基,--OR.sup.27,--OCOR.sup.27,--OSO.sub.2 R.sup.27,或B.sup.2或与R.sup.13表示C.sub.1-C.sub.15烃基亚二氧基基团,前提是当R.sup.6是B.sup.1时,R.sup.14不是B.sup.2,R.sup.15是氢或R.sup.15.sub.a,R.sup.15.sub.a是C.sub.1到C.sub.10脂肪基,C.sub.3到C.sub.8环脂肪基,C.sub.6到C.sub.15芳基或C.sub.7到C.sub.16芳基烷基,R.sup.16,R.sup.17,R.sup.18,R.sup.19,R.sup.20,R.sup.21,R.sup.22,R.sup.23,R.sup.24,R.sup.25,R.sup.26和R.sup.27分别是C.sub.1到C.sub.10脂肪基,C.sub.3到C.sub.10环脂肪基,C.sub.6到C.sub.15芳基或C.sub.7到C.sub.30芳基烷基,B.sup.1和B.sup.2分别是单价核苷酸基基团,Z是取代或未取代的C.sub.6到C.sub.10芳氧
硫代羰氧基。