JP6912100B2 - 抗ウイルス活性等の生理活性を有するヌクレオシド誘導体 - Google Patents
抗ウイルス活性等の生理活性を有するヌクレオシド誘導体 Download PDFInfo
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- JP6912100B2 JP6912100B2 JP2018551622A JP2018551622A JP6912100B2 JP 6912100 B2 JP6912100 B2 JP 6912100B2 JP 2018551622 A JP2018551622 A JP 2018551622A JP 2018551622 A JP2018551622 A JP 2018551622A JP 6912100 B2 JP6912100 B2 JP 6912100B2
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 21
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- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- TVDSBUOJIPERQY-UHFFFAOYSA-N prop-2-yn-1-ol Chemical compound OCC#C TVDSBUOJIPERQY-UHFFFAOYSA-N 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000003753 real-time PCR Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000004366 reverse phase liquid chromatography Methods 0.000 description 1
- 239000003419 rna directed dna polymerase inhibitor Substances 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- KXCAEQNNTZANTK-UHFFFAOYSA-N stannane Chemical compound [SnH4] KXCAEQNNTZANTK-UHFFFAOYSA-N 0.000 description 1
- 229910000080 stannane Inorganic materials 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- DBGVGMSCBYYSLD-UHFFFAOYSA-N tributylstannane Chemical compound CCCC[SnH](CCCC)CCCC DBGVGMSCBYYSLD-UHFFFAOYSA-N 0.000 description 1
- RSJKGSCJYJTIGS-BJUDXGSMSA-N undecane Chemical class CCCCCCCCCC[11CH3] RSJKGSCJYJTIGS-BJUDXGSMSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000029812 viral genome replication Effects 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
- A61K31/522—Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/18—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Virology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- AIDS & HIV (AREA)
- Tropical Medicine & Parasitology (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
<1> 前記一般式(1)で表されるヌクレオシド誘導体。
[前記式中、R1は、水素原子又はハロゲン原子を示す。R2は、水素原子又はハロゲン原子を示す。R3は、シアノ基、置換基を有していてもよいアルキル基、置換基を有していてもよいアルケニル基、置換基を有していてもよいアルキニル基、ハロゲン原子又はアジド基を示す。R4は、アミノ基、水素原子、ハロゲン原子又はヒドロキシ基を示す。R5は、窒素原子又はメチン基を示す。R6は、水素原子又はヒドロキシ基を示す。R7は、水素原子又はヒドロキシ基を示す。]
<2> <1>に記載のヌクレオシド誘導体を有効成分とする、抗ウイルス剤。
<3> 抗B型肝炎ウイルス剤である、<2>に記載の抗ウイルス剤。
<4> 抗ヒト免疫不全ウイルス剤である、<2>に記載の抗ウイルス剤。
後述の実施例において示す通り、下記式で表されるヌクレオシド誘導体は、B型肝炎ウイルス(HBV)又はヒト免疫不全ウイルス(HIV)に対して抗ウイルス活性を有することが明らかになった。したがって、本発明は、抗ウイルス活性を有する、下記一般式(1)で表されるヌクレオシド誘導体を提供するものである。
R1は、フッ素、塩素又は臭素であり、R2は水素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は水素であり、R2は、フッ素、塩素又は臭素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1はフッ素であり、R2はフッ素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は水素であり、R2は水素であり、R3は、シアノ基、メチル基、モノフルオロメチル基、エテニル基又はエチニル基であり、R4はアミノ基であり、R5はメチン基であり、R6は水素であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は、フッ素、塩素又は臭素であり、R2は水素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7はヒドロキシル基である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は水素であり、R2は、フッ素、塩素又は臭素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7はヒドロキシル基である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は、フッ素、塩素又は臭素であり、R2は水素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6はヒドロキシル基であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1は水素であり、R2は、フッ素、塩素又は臭素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6はヒドロキシル基であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1はフッ素であり、R2はフッ素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6は水素であり、かつ、R7はヒドロキシル基である、前記一般式(1)で表されるヌクレオシド誘導体、
R1はフッ素であり、R2はフッ素であり、R3は、シアノ基、エテニル基、エチニル基又はヒドロキシメチル基であり、R4は、アミノ基、フッ素、塩素又はヒドロキシル基であり、R5は、窒素又はメチン基であり、R6はヒドロキシル基であり、かつ、R7は水素である、前記一般式(1)で表されるヌクレオシド誘導体。
R1及びR2は、フッ素及び水素、水素及びフッ素、又はフッ素及びフッ素であり、R3はシアノ基であり、R4はアミノ基であり、R5は窒素であり、かつR6及びR7は共に水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1及びR2は、塩素及び水素、又は、水素及び塩素であり、R3はシアノ基であり、R4はアミノ基であり、R5は窒素であり、かつR6及びR7は共に水素である、前記一般式(1)で表されるヌクレオシド誘導体、
R1及びR2は共に水素であり、R3はシアノ基、メチル基、モノフルオロメチル基、エテニル基又はエチニル基であり、R4はアミノ基であり、R5は窒素であり、かつR6及びR7は共に水素である、前記一般式(1)で表されるヌクレオシド誘導体
が挙げられる。
後述の実施例において示す通り、本発明のヌクレオシド誘導体は、抗ウイルス活性を有する。したがって、本発明のヌクレオシド誘導体を有効成分とする抗ウイルス剤を提供することができる。
下記式で表される化合物(化合物(E)−18−F及び化合物(Z)−18−F)を、以下に示す工程により合成した。
先ず、下記に示す通り、化合物1から化合物2を合成した。
1H−NMR(CDCl3,400MHz);δ1.33(3H、s)、1.34(3H,s),3.11(1H、d、J=3.6Hz)、3.32(1H、dd、J=10.0and7.2Hz)、3.50(1H、dd、J=10.0 and 2.8Hz)、3.80−3.90(1H,m)、4.04(1H,d、J=4.4Hz)、4.14(1H,dd、J=10.0 and 5.6Hz)、4.27(1H,dd、J=8.4 and 5.6Hz),4.59−4.63(1H,m)、7.23−7.44(15H、m)。
次に、前記工程にて得られた化合物2から、下記に示す通り、化合物3を合成した。
1H−NMR(CDCl3,400MHz);δ0.22(3H,s),0.24(3H,s),0.93(9H,s),1.33(3H,s),1.38(3H,s),2.49(1H,d,J=2.4Hz),3.18(1H,d,J=4.8Hz),3.30(1H,dd,J=9.6 and 5.6Hz),3.37(1H,dd,J=9.6 and 2.4Hz),3.99−4.05(1H,m),4.21(1H,t,J=2.0Hz),4.28(1H,dd,J=9.6 and 5.6Hz),4.69(1H,dd,J=5.6 and 2.0Hz),7.20−7.31(9H,m),7.46−7.49(6H,m)。
次に、前記工程にて得られた化合物3から、下記に示す通り、化合物4を合成した。
1H−NMR(CDCl3,400MHz);δ0.04(3H、s)、0.08(3H,s)、0.84(9H,s)、1.30(3H,s)1.44(3H,s)、2.18(1H、d、J=2.4Hz)、4.29(1H、d、J=17.2Hz)、4.12(1H,d、J=17.2Hz),4.42(1H,dd、J=7.6 and 4.4Hz)、4.55(1H,dd、J=4.8 and 1.6Hz)、4.62(1H、d、J=7.2Hz)、7.22−7.32(9H,m)、7.43−7.47(6H、m)。
次に、前記工程にて得られた化合物4から、下記に示す通り、化合物5を合成した。
1H−NMR(CDCl3,400MHz);δ1.31(1.8H、s)、1.42(1.8H、s)、1.33(1.2H、s)、1.39(1.2H、s)、2.30(0.4H、7d、J=2.0Hz)、2.42(0.6H、d、J=2.0Hz)、3.20(0.4H、d、J=5.6Hz)、3.48(0.6H,d、J=5.6Hz)、3.68(1.2H、s)、3.70−3.72(2.4H,m)、3.94(0.6H,d、J=10.4Hz)、4.00−4.03(0.6H、m)、4.17−4.25(1.4H、m)、4.36−4.38(0.8H,m)、4.51(0.6H,d、J=5.6Hz)、5.10(0.4H、d、J=6.4Hz)、6.21(1.2H、s)、6.46(1.8H、s)7.21−7.25(4H,m)、7.29−7.33(5H,m)、7.45−7.49(6H,m)。
次に、前記工程にて得られた化合物5から、下記に示す通り、化合物6を合成した。
1H−NMR(CDCl3,500MHz);δ1.19(1.5H,s)、1.22(1.5H,s)、1.48(1.5H,s)、1.51(1.5H,s)、2.53(0.5H、d、J=1.8Hz)、2.54(0.5H、d、J=2.3Hz)、3.32−3.36(1H,m)、3.46(1.5H、s)、3.50(1.5H、s)、3.54−.60(1H,m)、3.80(0.5H,d、J=7.2Hz)、4.01(0.5H,d、J=4.5Hz)、4.19−4.23(1.5H,m)、4.40(0.5H,d、J=3.5Hz)、4.72(0.5H,s)、4.77(0.5H,s)、7.15−7.33(12H,m)、7.40−7.45(6H,m)、7.59−7.61(2H,m)。
次に、前記工程にて得られた化合物6から、下記に示す通り、化合物7を合成した。
1H−NMR(CDCl3,400MHz);δ1.21(1.8H,s),1.23(1.2H,s)、1.48(1.2H,s)、1.52(1.8H,s)、3.35(0.4H,d、J=10.0Hz),3.39(0.6H,d、J=10.4Hz),3.48−3.52(3.6H,m),3.58(0.4H,d、J=10.0Hz),3.80(0.6H,d、J=10.4Hz),4.07(0.6H,d,J=4.8Hz),4.20(0.4H,dd、J=8.8 and 4.8Hz),4.39(0.6H,d,J=9.2Hz),4.40(0.4H,d,J=8.8Hz),4.44(0.4H、d、J=4.8Hz),4.74(0.6H,s),4.80(0.4H,s),7.16−7.20(6H.m)、7.22−7.31(4H,7.33−7.36(4H,m)、7.39−7.46(9H,m),7.62−7.64(2H,m)。
次に、前記工程にて得られた化合物7から、下記に示す通り、化合物(E)−8及び化合物(Z)−8を合成した。
化合物(E)−8;1H−NMR(CDCl3,400MHz);δ1.40(3H,s)、1.673H,s)、3.42(3H,s)、3.64(1H,d、J=8.8Hz)、3..81(1H,d、J=9.6Hz)、4.30−4.32(2H,m)、4.57−4.59(1H,m)、5.31(1H,s)、6.24(1H,s)、7.20−7.25(7H、m)、7.28−7.38(7H、m)、7.51−7.54(6H,m)。
化合物(Z)−8;1H−NMR(CDCl3,400MHz);δ1.41(3H,s)、1.63(3H,s)、3.30−3.32(4H,m)、3.63(1H,d,J=9.6Hz),4.34−4.37(4H,m)、4.69(1H,s)、4.76(1H,d,J=8.0Hz),5.06(1H,s),5.86(1H,s)、7.21−7.25(8H,m)、7.25−7.30(6H、m)、7.44−7.46(6H,m)。
次に、前記工程にて得られた化合物(E)−8から、下記に示す通り、化合物(E)−9及び化合物(Z)−9を合成した。
化合物(E)−9;1H−NMR(CDCl3,400MHz);δ0.51−0.65(6H,m)、0.78−0.88(9H,m)、1.08−1.18(6H,m),1.28−1.33(6H,m)、1.40(3H,s)、1.68(3H,s)、3.29(1H,d,J=8.0Hz),3.38(3H,s)、3.63(1H,d,J=8.0Hz),4.13(1H、d、J=2.0Hz),4.27(1H,dd、J=8.0 and 2.0Hz),4.36(1H,d、J=8.0Hz),5.33(1H,s)、5.65−5.74(1H,m)、7.20−7.31(9H,m),7.52−7.584(6H,m)。
化合物(Z)−9;1H−NMR(CDCl3,400MHz);δ0.71−0.88(15H,m),1.15−1.30(6H、m)、1.33(3H,s),1.34−1.43(6H、m)、1.56(3H,s),3.17(1H,d,J=9.2Hz),3.25(3H、s)、3.52(1H,d,J=9.2Hz),4.02(1H,br−s),4.19(1H,dd,J=8.4 and 2.0Hz),4.52(1H, d,J=8.4Hz),5.07(1H,s),5.36−5.51(1H,m)、7.14−7.24(9H,m)、7.40−7.42(6H,m)。
先ず、前記工程にて得られた化合物(E)−9から、下記に示す通り、化合物(E)−10−Fを合成した。
1H−NMR(CDCl3,500MHz);δ1.39(3H、s)、1.66(3H、s)、3.40(3H、s)、3.51(1H,d,J=10.0Hz),3.75(1H,d,J=10.0Hz),4.29(1H,dd,J=8.0 and 2.0Hz),4.39(1H,t,J=2.0Hz),4.54(1H,d,J=8.0Hz),5.25(1H,s),6.60(1H,d,JC,F=82.2Hz)、7.22−7.26(3H,m),7.28−7.35(6H,m),7.49−7.51(6H,m)。
次に、前記工程にて得られた化合物(E)−10−Fから、下記に示す通り、化合物(E)−11−Fを合成した。
1H−NMR(CDCl3,400MHz);δ2.12(3H,s),2.143H,s),2.153H,s),2.183H,s),4.16(1H,d、J=11.2Hz),4.35(1H,d、J=11.2Hz),5.29(1H,d,J=4.4Hz),5.45(1H,d、J=4.4Hz),6.01−6.04(1H、m)、7.02(1H,dd,JC、F=76.8Hz,J=2.4Hz)。
次に、前記工程にて得られた化合物(E)−11−Fから、下記に示す通り、化合物(E)−12−Fを合成した。
1H−NMR(CDCl3,D2O、400MHz);δ0.90−1.09(28H,m)、3.97(1H,d,J=11.2Hz),4.02(1H,d,J=11.2Hz),4.27(1H,d,J=3.2Hz),4.42(1H,dd,J=6.0 and 3.2Hz),4.68−4.69(1H,m),6.70(1H,dd,JC,F=80.8Hz,J=2.8Hz)。
次に、前記工程にて得られた化合物(E)−12−Fから、下記に示す通り、化合物(E)−13−Fを合成した。
1H−NMR(CDCl3,400MHz);δ2.51(1H,d,J=10.8Hz),2.96(1H,d,J=3.2Hz),3.82(1H,d,J=9.6Hz),3.92(1H,d,J=9.6Hz),4.08−4.09(1H,m),4.24(1H,d,J=3.6Hz),4.39−4.01(1H,m),4.57(2H,s),4.73−4.76(4H,m),4.96(1H,s),6.89(1H,dd,JC,F=79.6Hz、J=2.0Hz)、7.28−7.37(10H,m)。
次に、前記工程にて得られた化合物(E)−13−Fから、下記に示す通り、化合物(E)−14−Fを合成した。
1H−NMR(CDCl3,400MHz);δ0.12(3H,s),0.13(3H,s),0.93(9H,s)、2.66(1H,d,J=2.4Hz),3.93(2H,s)、4.04−4.05(1H,m),4.20(1H,d,J=3.6HZ),4.45−4.47(1H,m)、4.56(2H,s),4.71−4.79(4H,m),4.96(2H,s),6.68(1H,dd、JC,F=79.6Hz,J=2.4Hz),7.30−7.36(10H,m)。
次に、前記工程にて得られた化合物(E)−14−Fから、下記に示す通り、化合物(E)−15−Fを合成した。
1H−NMR(CDCl3,400MHz);δ0.07(6H,s),0.90(9H,s),1.89−1.97(1H、m)、2.33−2.35(1H,m),3.85(1H,d.J=9.6Hz),3.931H,d.J=9.6Hz),4.19(1H,dd,J=10.4 and 6.0Hz),4.42−4.45(1H,m),4.57(2H,s),4.66(1H,d.J=12.0Hz),4.70(1H,d.J=12.0Hz),4.75(2H,s),4.86(1H,d,J=6.8Hz)、4.91(1H,d,J=6.8Hz)、6.71(1H、dd、JC,F=80.8Hz、J=2.4Hz),7.29−7.35(10H,m)。
次に、前記工程にて得られた化合物(E)−15−Fから、下記に示す通り、化合物(E)−16−Fを合成した。
1H−NMR(CDCl3,400MHz);δ1.98−2.17(2H,m),2.72(1H,d,J=11.2Hz),3.37(1H,d,J=10.0Hz),3.94(1H,d,J=10.0Hz),4.53−4.55(1H,m),4.57(1H,d,J=11.6Hz),4.651H,d,J=11.6Hz),4.691H,d,J=11.6Hz),4.751H,d,J=11.6Hz),4.78(1H,d,J=6.0Hz),4.82(1H,d,J=6.0Hz),4.91(1H,d,J=7.2Hz),4.85(1H,d,J=7.2Hz),7.04(1H,d、JC,F=80.0Hz),7.34−7.40(10H,m)。
次に、以下に示す通り、前記工程にて得られた化合物(E)−16−Fに、光延反応にてプリン環を付加することにより、化合物(E)−17−Fを合成し、更に該化合物から保護基を外すことにより、化合物(E)−18−Fを得た。
1H−NMR(CDCl3,400MHz);δ1.47(18H,s),2.42−2.48(1H,m),2.55−2.61(1H,m),4.07(1H,d,J=12.0Hz),4.10(1H,d,J=12.0Hz),4.55−4.59(3H,m)、4.67(1H,d,J=11.6Hz),4.77(1H,d,J=11.6Hz),4.83(2H,s),4.88(1H,d,J=7.2Hz),4.93(1H,d,J=7.2Hz),5.73−5.77(1H,m)、6.67(1H,dd,JC,F=77.2Hz,J=2.0Hz)、7.26−7.36(10H,m),8.20(1H,s)。
1H NMR(DMSO−d6,500MHz)δ2.11−2.13(1H,n),2.48−2.50(1H,m)、3.78(1H、dd、J=11.5 and 6.3Hz),3.82(1H,dd,J=11.5 and 5.8Hz),4.43(1H,br−s)、5.52−5.56(1H,m),5.87(1H,t、J=6.3Hz),6.08(1H,d、J=4.6Hz),6.44(2H,br−s)、6.75(1H,dd、JC,F=79.0Hz,2.3Nz)、7.80(1H,s)、10.40(1H、br−s)。
先ず、上記にて得た化合物(Z)−9から、下記に示す通り、化合物(Z)−10−Fを合成した。
1H−NMR(CDCl3,500MHz);δ1.40(3H,s),1.61(3H,s),3.24(1H,d,J=9.6Hz),3.32(1H,s)、3.58(1H,d,J=9.6Hz),4.38(1H,dd,J=8.0 and 2.0Hz),4.76(1H,d,J=8.0Hz),4.82(1H,d,J=2.0Hz),5.03(1H,d,J=3.6Hz),6.17(1H,d,JC,F=83.2Hz),7.23−7.27(3H,m),7.29−7.33(6H,m),7.43−7.46(6H,m)。
次に、前記工程にて得られた化合物(Z)−10−Fから、下記に示す通り、化合物(Z)−11−Fを合成した。
1H−NMR(CDCl3,400MHz);δ2.11(3H,s),2.14(3H,s),2.15(3H,s),2.18(3H,s),4.16(1H,d、J=11.6Hz),4.35(1H,d、J=11.6Hz),5.29(1H,d,J=4.4Hz)、5.45(1H,t,J=4.4Hz),6.01−6.04(1H,m),7.02(1H,dd、JC,F=76.8Hz,J=2.0Hz)。
次に、前記工程にて得られた化合物(Z)−11−Fから、下記に示す通り、化合物(Z)−12−Fを合成した。
1H−NMR(CDCl3,D2O、400MHz);δ1.03−1.12(28H,m),2.39(1H,dd、J=7.2 and 5.6Hz),3.22(1H,d,J=10.8Hz),3.73(1H,dd,J=10.8 and 7.2Hz),3.87(1H,dd,J=10.8 anf 5.6Hz)、4.02(1H,dd、J=10.8 and 4.4Hz),4.33(1H、t、J=4.0Hz)、5.01(1H,br−s),7.03(1H,dd,JC,F=78.4Hz,J=2.0Hz)。
次に、前記工程にて得られた化合物(Z)−12−Fから、下記に示す通り、化合物(Z)−13−Fを合成した。
1H−NMR(CDCl3,400MHz);δ2.56(1H,d,J=9.2Hz),3.10(1H,d,J=6.8Hz),7.57(1H,d,J=10.0Hz),3.61(1H,d,J=10.0Hz),4.04−4.08(1H,m),4.18−4.19(1H,m)、4.62(2H,s)、4.68−4.72(1H,m),4.76(2H,t,J=4.8Hz),4.79(2H,t,J=7.6Hz),4.95(1H,d,J=7.2Hz),5.02(1H,d,J=7.2Hz),7.04(1H,dd,JC,F=78.8Hz、J=2.0Hz)。
次に、前記工程にて得られた化合物(Z)−13−Fから、下記に示す通り、化合物(Z)−14−F及びその位置異性体 化合物(Z)−14’−Fを合成した。
1H−NMR(CDCl3,D2O,400MHz);δ0.145(1.8H,s)、0.154(3H、s)、0.17(1.2H,s)、0.93(5.4H,s)、0.95(3.6H,s)、3.62(0.4H,d、J=9.6Hz),3.63(0.6H、d、J=9.6Hz)、3.69(1H,d,J=9.6Hz),3.98(0.6H,t、J=4.4Hz)、4.01(0.6H,d,J=4.4Hz),4.11(0.4H,dd、J=4.8 and 3.6Hz),4.15(0.4H,d,J=4.8Hz),4.61−4.63(2.4H,m),4.70−4.79(4.6H,m),4.88−4.98(2H,m)、6.96(0.6H,dd,JC,F=80.0Hz,J=1.6Hz),7.04(0.4H,dd,JC,F=79.2Hz,J=2.0Hz)、7.29−7.38(10H,m)。
次に、前記工程にて得られた化合物(Z)−14−F及び化合物(Z)−14’ −Fから、下記に示す通り、化合物(Z)−15−Fを合成した。
1H−NMR(CDCl3,400MHz);δ0.08(3H,s),0.09(3H,s),0.89(9H,s),1.98−2.05(1H,m),2.29−2.37(1H,m),3.57(1H、d、J=10.0Hz),3.73(1H、d、J=10.0Hz),4.00(1H,t,J=6.8Hz)、4.57−4.70(4H,m)、4.79(2H,s),4.83−4.87(3H,m)、6.92(1H,dd,JC,F=80.4Hz,J=2.0Hz)、7.30−7.05(10H,m)。
次に、前記工程にて得られた化合物(Z)−15−Fから、下記に示す通り、化合物(Z)−16−Fを合成した。
1H−NMR(CDCl3,400MHz);δ2.01−2.04(2H,m),2.56(1H,d,J=8.8Hz),3.46(1H,d,J=10.0Hz),3.51(1H,d,J=10.0Hz),4.39−4.42(1H,m),4.60(1H,d,J=12.0Hz),4.65(1H,d,J=12.0Hz),4.69(1H,d,J=12.0Hz),4.75(1H,d,J=12.0Hz),4.79(1H,d、J=8.8Hz),4.80(1H,d、J=8.8Hz),4.90−4.94(3H,m),6.98(1H,dd,JC,F=79.6Hz,J=1.6Hz)、7.29−7.39(10H,m)。
次に、以下に示す通り、前記工程にて得られた化合物(Z)−16−Fに、光延反応にてプリン環を付加することにより、化合物(Z)−17−Fを合成し、更に該化合物から保護基を外すことにより、化合物(Z)−18−Fを得た。
1H−NMR(CDCl3,400MHz);δ1.46(18H,s)、2.54−2.57(2H,m)、3.94(1H,d,J=10.0Hz),4.13(1H,d,J=10.0Hz),4.63−4.70(4H,m),4.76(1H,d,J=11.6Hz),4.84(2H,s),4.90(1H,d,J=11.2Hz),4.93(1H,d,J=11.2Hz),5.78−5.82(1H,m),7.01(1H,dd,JC,F=78.0Hz,J=2.4Hz)、7.27−7.36(10H,m),8.10(1H,s)。
1H NMR(DMSO−d6,400MHz)δ2.16−2.23(1H,m),2.27−2.33(1H,m)、3.69(1H,dd,J=11.2 and 6.0Hz)、3.93(1H,dd、J=11.2 and 5.6Hz)、4.37−4.38(1H,m),5.63−5.67(1H,m)、5.83(1H,dd,J=6.0 and 5.6Hz)、6.04(1H,d,J=4.8Hz),6.41(2H,br−s)、7.18(1H,dd,JC,F=79.2Hz,J=2.8Hz)、7.70(1H、s)、10.6(1H、br−s)。
また、下記式で表される化合物(化合物(E)−18−Cl)を、以下に示す工程により合成した。
先ず、下記に示す通り、上述の化合物(E)−9から化合物(E)−10−Clを合成した。
1H−NMR(CDCl3,400MHz);δ1.40(1H,s)、1.70(3H,s)、3.41(3H,s)、3.62(1H,d、J=9.2Hz)、3.79(1H,d,J=9.2Hz)、4.28(1H,dd,J=2.2 and 7.8Hz)、4.35(1H,d,J=2.2Hz)、4.55(1H,d,J=7.8Hz)、5.33(1H,s)、6.0(1H,s)、7.22−7.52(15H,m)。
次に、前記工程にて得られた化合物(E)−10−Clから、下記に示す通り、化合物(E)−11−Clを合成した。
次に、前記工程にて得られた化合物(E)−11−Clから、下記に示す通り、化合物(E)−12−Clを合成した。
1H−NMR(CDCl3,D2O、400MHz);δ1.00−1.10(28H,m)、1.91(1H,br−s)、3.07(1H,d,J=12.6Hz)、3.99−4.01(1H,m)、3.99−4.31(1H,m)、4.38(1H,dd,J=12.6 and 3.2Hz)、4.44(1H,dd,J=2.8 and 3.2Hz)、4.58(1H,t,J=3.2Hz)、6.45(1H,d,J=2.8Hz)。
次に、前記工程にて得られた化合物(E)−12−Clから、下記に示す通り、化合物(E)−13−Clを合成した。
1H−NMR(CDCl3,400MHz);δ2.60(1H,br−s)、2.84(1H,br−s)、3.94(1H,d,J=9.6Hz)、4.12(1H,br−s)、4.13(1H,d,J=9.6Hz)、4.31(1H,d,J=2.8Hz)、4.32(1H,br−s)、4.55(2H,s)、4.71−4.77(4H,m)、4.97(2H,s)、6.56(1H,d,J=2.4Hz)、7.27−7.37(10H,m)。
次に、前記工程にて得られた化合物(E)−13−Clから、下記に示す通り、化合物(E)−14−Clを合成した。
1H−NMR(CDCl3,400MHz);δ0.13(3H,s)、0.14(3H,s)、0.95(9H,s)、2.55(1H,d,J=0.8Hz)、3.92(1H,d,J=9.4Hz)、4.07(1H,m)、4.23(1H,d,J=9.4Hz)、4.29(1H,d,J=3.2Hz)、4.38(1H,dd,J=2.4 and 2.8Hz)、4.54(1H,s)、4.55(1H,s)、4.72−4.80(4H,m)、5.00(2H,s)、6.33(1H,d,J=2.4Hz)、7,27−7.38(10H,m)。
次に、前記工程にて得られた化合物(E)−14−Clから、下記に示す通り、化合物(E)−15−Clを合成した。
1H−NMR(CDCl3,400MHz);δ0.00(3H,s)、0.01(3H,s)、0.83(9H,s)、1.76−1.85(1H,m)、2.25−2.31(1H,m)、3.88(1H,d,J=9.6Hz)、4.04(1H,d,J=9.6Hz)、4.19(1H,dd,J=11.2 and 6Hz)、4.25−4.30(1H,m)、4.49(2H,s)、4.61(1H,s)、4.62(1H,s)、4.66(2H,s)、4.81(1H,d,J=16.6Hz)、4.84(1H,d、J=16,6Hz)、6.27(1H,d,J=2.4Hz)、7.22−7.23(1H,m)。
次に、前記工程にて得られた化合物(E)−15−Clから、下記に示す通り、化合物(E)−16−Clを合成した。
1H−NMR(CDCl3,400MHz);δ2.01−2.07(1H,m)、2.09−2.20(1H,m)、2.69(1H,d,J=11.2Hz)、3.52(1H,d,J=10.0Hz)、4.07(1H,d,J=10.0Hz)、4.56−4.59(2H,m)、4.57(1H,d,J=11.6Hz)、4.64(1H,d,J=11.6Hz)、4.69(1H,d,J=11.6Hz)、4.75(1H,d,J=11.6Hz)、4.77(1H,d,J=6.8Hz)、4.89(1H,d,J=6.8Hz)、4.91(1H,d,J=6.8Hz)、4.96(1H,d,J=6.8Hz),6.70(1H,d,J=0.8Hz)、7.30−7.40(10H,m)。
1H−NMR(CDCl3,400MHz);δ1.46(18H,s)、2.39−2.45(1H,m)、2.60−2.67(1H,m)、4.14(1H,d,J=10.4Hz)、4.20(1H,d,J=10.4Hz)、4.58−4.64(2H,m)、4.66(1H,d,J=3.4Hz)、4.69(1H,d,J=3.4Hz)、4.83(1H,d,J=6.8Hz)、4.86(1H,d,J=6.8Hz)、4.91(1H,d,J=7.2Hz)、4.96(1H,d,J=7.2Hz)、6.14(1H,d,J=2.0Hz)、7.28−7.40(10H,m)、8.13(1H,s)。
1H−NMR(DMSO−d6,500MHz)δ2.11−2.16(1H,m)、2.56−2.64(1H,m)、3.83(1H,d,J=14.5Hz)、3.96(1 H,d,J=14.5Hz)、4.49(1H,br−s)、5.51−5,56(1H,m)、5.87(1H,br−s)、6.13(1H,br−s)、6.16(1H,d,J=3.0Hz)、6.44(2H,br−s)、7,82(1H,s)、10.61(1H,s)。
野生型のHIV−1分子クローンとして、HIV−1LAIを用いた。また、被感染細胞として、MT−2細胞を用い、当該細胞を10%FCS含有、前記抗生剤添加RPMI−1640培地にて継続培養し、維持した。HIV−1LAIウイルスを、50%感染濃度(TCID50)の50倍量にて、MT−2細胞に暴露し、段階希釈後の各濃度の各ヌクレオシド誘導体を添加した培地と共に、1×104cells/mLの濃度になるよう、96穴細胞培養皿の各ウェルに播種した。そして、37℃、5%CO2の標準培養条件にて、各ヌクレオシド誘導体の存在下7日間培養した後、各ウェルの生存細胞数をMTTアッセイで定量化した。そして、得られた生存細胞数に基づき、EC50値を算出し、各ヌクレオシド誘導体の抗HIV活性を評価した。得られた結果を表1及び表2に示す。
供試細胞として、HepG2 2.2.15.7細胞を用いた。HepG2 2.2.15.7細胞は、ヒト肝ガン由来細胞株(HepG2細胞)にHBV遺伝子を導入することにより持続的にHBVを産生するように調製されたHepG2 2.2.15細胞を親株とする、また、HepG2 2.2.15.7細胞は、10%胎児ウシ血清、G418(500μg/ml)及び抗生剤(ペニシリンとカナマイシン)含有DMEMにおける継続培養にて維持した。
上記ヌクレオシド誘導体に関し、ETV耐性株(遺伝子型:HBV/Ce、表1においては「HBV ETVr」と表記する)をトランスフェクトしたHuh−7細胞に各々添加した。そして、その72時間後に各細胞から常法に沿ってDNAを抽出し、HBV遺伝子に対するプローブを用いたサザンブロットにて分析し、ウイルスのDNAコピー数を定量し、上記同様にEC50値を算出した。得られた結果を表1に示す。
上記ヌクレオシド誘導体に関し、MT−2細胞及びHepG2細胞に対する細胞毒性試験も行った。段階希釈後の各濃度の各ヌクレオシド誘導体を添加した培地と共に、MT−2細胞に関しては1×104cells/mlの濃度になるよう、またHepG2細胞に関しては1×104cells/mlの濃度になるよう、各々播種した。このようにして様々な濃度の各ヌクレオシド誘導体の存在下、37℃、5%CO2の標準培養条件で7日間、これら細胞を培養した後、各ウェルの生存細胞数をMTTアッセイで定量化した。そして、得られた生存細胞数に基づき、各ヌクレオシド誘導体に関し、CC50を算出した。得られた結果を表1及び表2に示す。
供試細胞として、PXB細胞を用いた。PXB細胞は、ヒト肝細胞キメラマウス由来新鮮ヒト肝細胞であり、PXB細胞用dHCGM培地にて維持した。なお、細胞及び培地は共に株式会社フェニックスバイオ製である。
Claims (6)
- 請求項1に記載のヌクレオシド誘導体を有効成分とする、抗ウイルス剤。
- 抗B型肝炎ウイルス剤である、請求項2に記載の抗ウイルス剤。
- 既存のヌクレオシド誘導体製剤に対して耐性を示すB型肝炎ウイルスに対する、抗ウイルス剤である、請求項2に記載の抗ウイルス剤。
- エンテカビルに対して耐性を示すB型肝炎ウイルスに対する、抗ウイルス剤である、請求項2に記載の抗ウイルス剤。
- 抗ヒト免疫不全ウイルス剤である、請求項2に記載の抗ウイルス剤。
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