WO2005075495A1 - 6−o−置換ケトライド誘導体 - Google Patents
6−o−置換ケトライド誘導体 Download PDFInfo
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- WO2005075495A1 WO2005075495A1 PCT/JP2005/001401 JP2005001401W WO2005075495A1 WO 2005075495 A1 WO2005075495 A1 WO 2005075495A1 JP 2005001401 W JP2005001401 W JP 2005001401W WO 2005075495 A1 WO2005075495 A1 WO 2005075495A1
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- WIPO (PCT)
- Prior art keywords
- acid
- erythromycin
- compound
- mmol
- resistant
- Prior art date
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- 239000003835 ketolide antibiotic agent Substances 0.000 title claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 229910052731 fluorine Chemical group 0.000 claims abstract description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 2
- 241001478878 Streptobacillus Species 0.000 abstract 1
- 230000003389 potentiating effect Effects 0.000 abstract 1
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- 235000002906 tartaric acid Nutrition 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 229940126585 therapeutic drug Drugs 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- YEMJHNYABQHWHL-UHFFFAOYSA-N tributyl(ethynyl)stannane Chemical compound CCCC[Sn](CCCC)(CCCC)C#C YEMJHNYABQHWHL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H17/00—Compounds containing heterocyclic radicals directly attached to hetero atoms of saccharide radicals
- C07H17/04—Heterocyclic radicals containing only oxygen as ring hetero atoms
- C07H17/08—Hetero rings containing eight or more ring members, e.g. erythromycins
-
- 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
- A61P31/04—Antibacterial agents
Definitions
- the present invention relates to a novel derivative of the antibiotic erythromycin.
- Erythromycin A is an antibiotic widely used as a therapeutic drug for infectious diseases caused by gram-positive bacteria, mycoplasma and the like.
- erythromycin is degraded by stomach acid, it has the disadvantage that its pharmacokinetics are not constant. Therefore, derivatives with increased acid stability have been investigated, and as a result, macrolide agents with stable pharmacokinetics, such as clarithromycin, azithromycin and roxithromycin, have been developed.
- Patent Document 1 terithromycin
- Patent Document 2 erythromycin-resistant pneumococcus and erythromycin-resistant Streptococcus pyogenes.
- Patent Document 3 2-fluoroketolide
- Patent document 1 EP680967
- Patent document 2 WO98Z09978
- Patent Document 3 WO02Z32919
- ketolide derivatives of erythromycin have conducted various studies on ketolide derivatives of erythromycin.
- ketolide derivatives in which a pyrimidyl isoxazolyl group containing an amino group at the terminal of a propargyl group were introduced on the 6-position oxygen.
- R represents a hydrogen atom or a fluorine atom.
- the compound of the present invention has excellent antibacterial activity against penicillin and erythromycin-resistant Streptococcus pneumoniae and Streptococcus pyogenes. Therefore, the compound of the present invention can be used for ⁇ -cillin, erythromycin-resistant pneumococci and Streptococcus pyogenes in humans. It is extremely useful as a therapeutic agent for cocci infections.
- a pharmaceutically acceptable salt means a salt used in chemotherapy and prevention of bacterial infection. They include, for example, acetic acid, propionic acid, butyric acid, formic acid, trifluoroacetic acid, maleic acid, tartaric acid, citric acid, stearic acid, succinic acid, ethyl succinic acid, ratatobionic acid, dalconic acid, dalcoheptonic acid, benzoic acid, methanesulfonic acid, Ethanesulfonic acid, 2-hydroxyethanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, lauryl sulfuric acid, malic acid, aspartic acid, glutamic acid, adipic acid, cystine, N-acetylcystin, hydrochloric acid, hydrobromic acid, Examples thereof include salts with acids such as phosphoric acid, sulfur
- the 6-O-substituted ketolide derivative of the present invention is administered orally or parenterally, and is 50-lOOmg in the case of treating an adult, and is administered 2-3 times a day. This dose can be adjusted appropriately according to the age, weight and condition of the patient.
- excipients for oral administration, excipients, binders, lubricants, antioxidants, coating agents, surfactants, plasticizers, coloring agents, flavoring agents, and the like are mixed to form powders and granules.
- parenteral administration it is administered as preparations such as injections and drops.
- formulating a usual method of formulating can be used.
- Test Example 1 In vitro antibacterial activity measurement
- Example 23 of WO02 / 32919 5-O-desosaminyl 3,11-dideoxy-2-fluoro-
- a comparative compound 1 as a compound 1 in Example 1 and a compound 2 in Example 2.
- 11-amino-6-O- [3- [3- (5-pyrimidyl) isoxazolyl 5-yl] -2-propyl] -3 oxoerythronolide A 11, 12-cyclic carbamate
- comparison Azithromycin was selected as the conjugated substance 2.
- the erythromycin-resistant pneumococcus and ii. MIC The erythromycin-resistant pneumococcus and ii. MIC).
- Streptococcus pneumoniae and Streptococcus pyogenes cultured overnight on sheep blood agar are suspended in Mueller-Hinton broth (MHB) to 0.5 McFarand equivalent, and these are diluted 10-fold (approximately 10 7 CFU / ml) and used for inoculation. It was. 5 ml of these bacterial solutions were inoculated into MIC opening plates for susceptibility testing at a concentration of about 5 ⁇ 10 5 CFU / ml in MHB adjusted to a divalent ion concentration supplemented with 3% horse lysate. After culturing them at 35 ° C in a normal environment for 20 hours, the MIC of each compound was measured. Table 1 shows the results of these tests.
- Compound 1 exhibited strong and antibacterial activity against erythromycin-sensitive pneumococcus like Comparative Compound 1. On the other hand, Compound 1 was 16 times better than Comparative Compound 1 and 4 times better than Comparative Compound 1 against erythromycin-resistant pneumococci (S. pneumoniae, erm (B)). Compound 1 also outperformed comparative compound 1 by 33 times and compound 2 by 16 times against resistant Streptococcus pyogenes (S. pyogenes, erm (B)). Comparative Danigaru Compound 2 had an antibacterial activity of> 8 g / ml against the above two strains.
- the compounds of the present invention not only have strong V ⁇ antibacterial activity against erythromycin-sensitive pneumococci, but also have erythromycin-resistant pneumococci and Streptococcus pyogenes. Both bacteria have strong antibacterial activity, indicating that they are extremely useful as antibacterial agents.
- the 6-O-substituted ketolide derivatives or pharmaceutically acceptable salts thereof according to the present invention have strong antibacterial activity against erythromycin-resistant pneumococci and Streptococcus pyogenes.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Communicable Diseases (AREA)
- Medicinal Chemistry (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Oncology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004026389A JP2007223900A (ja) | 2004-02-03 | 2004-02-03 | 6−o−置換ケトライド誘導体 |
JP2004-026389 | 2004-02-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005075495A1 true WO2005075495A1 (ja) | 2005-08-18 |
Family
ID=34835846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001401 WO2005075495A1 (ja) | 2004-02-03 | 2005-02-01 | 6−o−置換ケトライド誘導体 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2007223900A (ja) |
WO (1) | WO2005075495A1 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002032919A2 (en) * | 2000-10-16 | 2002-04-25 | Abbott Laboratories | 6-o-substituted erythromycin derivatives having improved gastrointestinal tolerance |
-
2004
- 2004-02-03 JP JP2004026389A patent/JP2007223900A/ja active Pending
-
2005
- 2005-02-01 WO PCT/JP2005/001401 patent/WO2005075495A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002032919A2 (en) * | 2000-10-16 | 2002-04-25 | Abbott Laboratories | 6-o-substituted erythromycin derivatives having improved gastrointestinal tolerance |
Also Published As
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JP2007223900A (ja) | 2007-09-06 |
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