MD3653G8 - Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic - Google Patents

Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic

Info

Publication number
MD3653G8
MD3653G8 MDA20060080A MD20060080A MD3653G8 MD 3653 G8 MD3653 G8 MD 3653G8 MD A20060080 A MDA20060080 A MD A20060080A MD 20060080 A MD20060080 A MD 20060080A MD 3653 G8 MD3653 G8 MD 3653G8
Authority
MD
Moldova
Prior art keywords
rifaximin
water content
produces
powder
values
Prior art date
Application number
MDA20060080A
Other languages
English (en)
Russian (ru)
Other versions
MD3653F2 (ro
MD20060080A (ro
Inventor
Джузеппе К. Вискоми
Мануэла Кампана
Дарио Брага
Донателла Конфортини
Винченцо Канната
Денис СЕВЕРИНИ
Паоло Риги
Гоффтредо РОСИНИ
Original Assignee
Alfa Wassermann S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33187382&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MD3653(G8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alfa Wassermann S.P.A. filed Critical Alfa Wassermann S.P.A.
Publication of MD20060080A publication Critical patent/MD20060080A/ro
Publication of MD3653F2 publication Critical patent/MD3653F2/ro
Publication of MD3653G8 publication Critical patent/MD3653G8/ro

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/22—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/12—Antidiarrhoeals
    • 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
    • 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
    • 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
    • A61P31/06—Antibacterial agents for tuberculosis
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1263—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements using coil cooling arrangements

Landscapes

  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Medicinal Preparation (AREA)

Abstract

Invenţia se referă la forme polimorfe de rifaximină, şi anume la formele α, β, γ.Forma polimorfă α de rifaximină are un conţinut de apă mai mic de 4,5% şi o difractogramă a pulberii cu raze X manifestând vârfuri la valorile unghiurilor de difracţie 2θ 6,6°; 7,4°; 7,9°; 8,8°; 10,5°; 11,1°; 11,8°; 12,9°; 17,6°; 18,5°; 19,7°; 21,0°; 21,4°; 22,1°.Forma polimorfă β de rifaximină are un conţinut de apă mai mare de 4,5% şi o difractogramă a pulberii cu raze X manifestând vârfuri la valorile unghiurilor de difracţie 2θ 5,4°; 6,4°; 7,0°; 7,8°; 9,0°; 10,4°; 13,1°; 14,4°; 17,1°; 17,9°; 18,3°; 20,9°.Forma polimorfă γ de rifaximină are un conţinut de apă între 1,0% şi 2,0% şi o difractogramă a pulberii cu raze X manifestând, în general, un profil amorf şi câteva vârfuri semnificative la valorile unghiurilor de difracţie 2θ 5,0°; 7,1°; 8,4°.Invenţia se referă de asemenea la procedee de obţinere a lor, la care prin încălzire se diluează rifaximină brută în alcool etilic şi se iniţiază cristalizarea produsului prin adăugarea apei la o temperatură anumită, pe parcursul unui anumit interval de timp, după care se realizează uscarea sub control, până când produsul finit ajunge la un anumit conţinut de apă.Formele polimorfe obţinute de rifaximină se utilizează în calitate de preparate medicamentoase cu acţiune antibiotică pentru administrare orală şi locală.
MDA20060080A 2003-11-07 2004-11-04 Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic MD3653G8 (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002144A ITMI20032144A1 (it) 2003-11-07 2003-11-07 Forme polimorfe di rifaximina, processi per ottenerle e
PCT/EP2004/012490 WO2005044823A2 (en) 2003-11-07 2004-11-04 Polymorphous forms of rifaximin as antibiotics

Publications (3)

Publication Number Publication Date
MD20060080A MD20060080A (ro) 2006-11-30
MD3653F2 MD3653F2 (ro) 2008-07-31
MD3653G8 true MD3653G8 (ro) 2016-08-31

Family

ID=33187382

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20060080A MD3653G8 (ro) 2003-11-07 2004-11-04 Forme polimorfe de rifaximină, procedee de obţinere a lor şi utilizarea acestora în calitate de antibiotic

Country Status (37)

Country Link
US (5) US7045620B2 (ro)
EP (6) EP1676848B1 (ro)
JP (5) JP2005139161A (ro)
KR (4) KR20050043589A (ro)
CN (4) CN1613858A (ro)
AR (3) AR043547A1 (ro)
AT (3) ATE361927T1 (ro)
AU (2) AU2004200964A1 (ro)
BR (2) BRPI0402382A (ro)
CA (2) CA2460384A1 (ro)
CL (1) CL2004000498A1 (ro)
CO (1) CO5560083A1 (ro)
CY (3) CY1108017T1 (ro)
DE (4) DE602004006367C5 (ro)
DK (3) DK1557421T3 (ro)
ES (3) ES2320160T4 (ro)
HR (2) HRP20040265A2 (ro)
IL (2) IL160798A0 (ro)
IT (1) ITMI20032144A1 (ro)
JO (1) JO2470B1 (ro)
MA (1) MA27069A1 (ro)
MD (1) MD3653G8 (ro)
ME (1) ME00424B (ro)
MX (2) MXPA04002353A (ro)
NO (1) NO334950B1 (ro)
NZ (1) NZ531622A (ro)
PL (3) PL1676847T3 (ro)
PT (3) PT1676847E (ro)
RS (4) RS54571B1 (ro)
RU (1) RU2270200C2 (ro)
SI (3) SI1676847T1 (ro)
TN (2) TNSN04044A1 (ro)
TW (1) TWI285107B (ro)
UA (1) UA86384C2 (ro)
WO (1) WO2005044823A2 (ro)
YU (1) YU24804A (ro)
ZA (1) ZA200401948B (ro)

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