Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
  • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
  • C07D471/04—Ortho-condensed systems
• • 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
  • A61K31/4985—Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
• • 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
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
  • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
  • C07D471/08—Bridged systems
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
  • C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
  • C07D491/14—Ortho-condensed systems
  • C07D491/147—Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
  • C07D491/22—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains four or more hetero rings
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P20/00—Technologies relating to chemical industry
  • Y02P20/50—Improvements relating to the production of bulk chemicals
  • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Definitions

• the compounds of the present invention and drugs containing them are antiviral drug (eg, antiretroviral drug, anti-HIV drug, anti-HTLV-1 (Human T cell leukemia virus type 1: human T cell leukemia virus type 1) drug.
• antiviral drug eg, antiretroviral drug, anti-HIV drug, anti-HTLV-1 (Human T cell leukemia virus type 1: human T cell leukemia virus type 1) drug.
• Anti-FIV Feine immunodeficiency virus: feline AIDS virus
• anti-SIV Semin immunodeficiency virus: sal AIDS virus
• Ring B is a benzene ring or a pyridine ring
• Q is -NHC (O)-(the left-hand bond binds to CR 2a R 2b ) or a 5-membered aromatic heterocycle
• R 1s are each independently halogen, alkyl, haloalkyl, alkyloxy, cyano or haloalkyloxy
• R 2a and R 2b are independently hydrogen, alkyl, or haloalkyl
• R 3 is alkyl, or haloalkyl
• R 4 and R 5 are independently hydrogen or alkyl
• R 6 are each independently halogen, alkyl, haloalkyl, alkyloxy, halo alkyloxy or alkyloxy alkyl; or two R 6 attached to adjacent atoms are separated by a hetero atom together May form C1-C3 crosslinks
• n is an integer of 1 to 3
• m is an integer of 0 to 3.
• the B ring is a pyridine ring, or b) the A ring is a C5-C7 non-aromatic carbocycle, and the non-aromatic carbocycle is further a benzene ring, 3-7. It may be fused with a member non-aromatic carbocycle or a 3-7 member non-aromatic heterocycle, and is a spiro ring of a 3-7 member non-aromatic carbocycle and a 3-7 member non-aromatic heterocycle.
• Ring A is a non-aromatic carbon ring of C5-C7.
• R 6 are each independently formed of halogen, alkyl, haloalkyl, alkyloxy, or halo-alkyloxy or alkyloxy alkyl, or adjacent two R 6 bonded to atoms that are not found a C1-C3 bridge together
• R 3 is alkyl, [1] to the compound or a pharmaceutically acceptable salt thereof according to any one of [3].
• the R 3, include alkyl or haloalkyl, and.
• One of the preferred embodiments of R 3 is alkyl.
• R 6 each independently, halogen, alkyl, haloalkyl, alkyloxy, or halo-alkyloxy or alkyloxyalkyl two R 6 or when attached to adjacent atoms, can be a hetero atom together (NR 7 , O or S) may intervene to form C1-C3 crosslinks.
• One of the preferred embodiments of R 6 is halogen, haloalkyl, alkyloxy, haloalkyloxy or alkyloxyalkyl, more preferably alkyloxy or alkyloxyalkyl.
• the A ring is a C5-C7 non-aromatic carbocycle or a 6-7 member non-aromatic heterocycle, and the non-aromatic carbocycle and the non-aromatic heterocycle are further a benzene ring, a 3-7 member non-aromatic ring. It may be fused with an aromatic carbocycle or a 3-7 member non-aromatic heterocycle to form a spirocycle of a 3-7 member non-aromatic carbocycle and a 3-7 member non-aromatic heterocycle.
• Ring B is a benzene ring or a pyridine ring
• Q is -NHC (O)-(the left-hand bond binds to CR 2a R 2b ) or a 5-membered aromatic heterocycle
• R 1s are each independently halogen, alkyl, haloalkyl, alkyloxy, cyano or haloalkyloxy
• R 2a and R 2b are independently hydrogen, alkyl, or haloalkyl
• R 3 is alkyl, or haloalkyl
• R 6 are each independently halogen, alkyl, haloalkyl, alkyloxy, halo alkyloxy or alkyloxy alkyl; forming or two R 6 attached to adjacent atoms are a C1-C3 bridge together May; n is an integer of 1 to 3; and m is an integer of 0 to 3. ) Or a pharmaceutically acceptable salt thereof.
• Ring A is a 5-6 member non-aromatic heterocycle, which further comprises a 3-7 member non-aromatic carbon ring and a 3-7 member non-aromatic heterocyclic spiro ring.
• the compounds of the present invention are not limited to specific isomers, and all possible isomers (for example, keto-enol isomer, imine-enamine isomer, diastereo isomer, optical isomer) are used. Includes isomers, rotating isomers, etc.), racemates or mixtures thereof.
• the compound of the present invention is useful as a medicine such as an antiviral drug.
• the compound of the present invention has a remarkable inhibitory effect on viral integrase. Therefore, the compound of the present invention can be expected to have a preventive or therapeutic effect on various diseases caused by a virus that produces at least integrase and proliferates in animal cells at the time of infection.
• a retrovirus eg, HIV-1, HIV-1. It is useful as an integrase inhibitor against HIV-2, HTLV-1, SIV, FIV, etc., and is useful as an anti-HIV drug, etc.
• More preferable compounds have characteristics such as high blood concentration, long duration of effect, and / or remarkable tissue migration as pharmacokinetics.
• preferred compounds are safe in terms of side effects (eg, inhibition of CYP enzymes, mutagenicity, ECG QT interval prolongation, arrhythmias).
• Step 2 Compound 3 (680 mg, 1.68 mmol) is dissolved in DMF (6.8 mL), ethyl iodide (393 mg, 2.52 mmol) and cesium carbonate (1.10 g, 3.36 mmol) are added, and the mixture is stirred at room temperature for 3 hours. did. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate to obtain Compound 4 (890 mg) as a crude product.
• Example 3 Process 1 Compound 1 (1.46 g, 4.60 mmol) is dissolved in methanol (19.4 mL), compound 13 (970 mg, 5.06 mmol) and sodium hydrogen carbonate (812 mg, 9.66 mmol) are added, and the mixture is stirred at room temperature for 3 hours. did. After distilling off the solvent under reduced pressure, a 4 mol / L hydrochloric acid / dioxane solution (5.8 mL) was added, and the mixture was stirred at room temperature for 1 hour. Water and dichloromethane were added to the reaction mixture, the mixture was extracted with dichloromethane, dried over sodium sulfate, and the solvent was distilled off.
• Example 5 Process 1 Compound 5 (120 mg, 0.287 mmol) is dissolved in dichloromethane (2.4 mL), triethylamine (159 ⁇ L, 1.15 mmol) and ethyl chloroformate (30.3 ⁇ L, 0.315 mmol) are added under ice-cooling for 20 minutes. Stirred. Compound 30 (82.0 mg, 0.344 mmol) was added to the reaction mixture, and the mixture was stirred for 1.0 hour. Water was added to the reaction mixture, the mixture was extracted with chloroform, and the solvent was distilled off to obtain Compound 31 (197 mg) as a crude product of the racemic mixture.
• a 2.5 x 10 5 cells / mL MT-4 cell suspension was dispensed into a plate containing the test sample at a rate of 100 ⁇ L / well, and then the HIV virus solution was dispensed at a rate of 50 ⁇ L / well.
• the mixture was mixed with a plate mixer and cultured in a CO 2 incubator for 4 days.
• 30 ⁇ L of MTT (3- (4,5-dimethylthialzol-2-yl) -2,5-diphenyltetrazolium bromide) solution was dispensed into each well. The reaction was carried out in a CO 2 incubator for 1 hour. 150 ⁇ L of supernatant was removed from each well to avoid sucking cells.
• DMSO which is a solvent in which the compound is dissolved instead of the compound of the present invention
• the residual activity (%) is calculated, and the concentration and suppression rate are used by a logistic model.
• IC 50 was calculated by inverse estimation.
• Test Example 4 CYP3A4 (MDZ) MBI test Regarding the inhibition of CYP3A4 of the compound of the present invention, it is a test for evaluating the Mechanism-based inhibition (MBI) ability from the enhancement of the inhibitory action caused by the metabolic reaction of the compound of the present invention. CYP3A4 inhibition was evaluated using pooled human liver microsomes using the 1-hydroxylation reaction of midazolam (MDZ) as an index.
• MDZ Mechanism-based inhibition
• Test Example 13 Nav test
• HEK cells expressing the Voltage gated sodium channel (Nav1.5 channel) encoded by the SCN5A gene were used in the depolarization process of the myocardium.
• INA Na + current
• QPatch Sodium Bioscience A / S
• cells are held at a membrane potential of -100 mV by the whole cell patch clamp method and induced when a depolarizing stimulus of -10 mV is applied for 20 milliseconds. I Na was recorded.
• the compound of the present invention has integrase inhibitory activity and / or cell proliferation inhibitory activity against viruses, especially HIV. Therefore, it is useful for the prevention or treatment of various diseases associated with integrase and viral infections (eg, AIDS).
• viruses especially HIV. Therefore, it is useful for the prevention or treatment of various diseases associated with integrase and viral infections (eg, AIDS).

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• 2020
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