CO5560083A1 - Formas polimorficas de rifaximina, procesos para su produccion y uso de las mismas en preparaciones - Google Patents

Formas polimorficas de rifaximina, procesos para su produccion y uso de las mismas en preparaciones

Info

Publication number
CO5560083A1
CO5560083A1 CO04022467A CO04022467A CO5560083A1 CO 5560083 A1 CO5560083 A1 CO 5560083A1 CO 04022467 A CO04022467 A CO 04022467A CO 04022467 A CO04022467 A CO 04022467A CO 5560083 A1 CO5560083 A1 CO 5560083A1
Authority
CO
Colombia
Prior art keywords
rifaximin
water content
polymorph
purified
antibiotic
Prior art date
Application number
CO04022467A
Other languages
English (en)
Inventor
Giuseppe C Viscomi
Manuela Campana
Dario Braga
Donatella Confortini
Vincenzo Cannata
Denis Serverini
Paolo Righi
Goffredo Rosini
Original Assignee
Lafa 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=CO5560083(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lafa Wassermann S P A filed Critical Lafa Wassermann S P A
Publication of CO5560083A1 publication Critical patent/CO5560083A1/es

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

Una rifaximina a purificada, un polimorfo del antibiótico rifaximina, CARACTERIZADA PORQUE dicha rifaximina a presenta un contenido de agua menor que un 4,5% y produce un difractograma de polvo por rayos X que presenta picos en valores de ángulos de difracción 2T de 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°. La rifaximina a acorde con la cláusula 1, CARACTERIZADA PORQUE dicho contenido de agua comprende entre 2,0% y 3,0%. Una rifaximina ß purificada, un polimorfo del antibiótico rifaximina, CARACTERIZADA PORQUE dicha rifaximina ß presenta un contenido de agua mayor que un 4,5% y produce un difractograma de polvo por rayos X que presenta picos en valores de ángulos de difracción 2T de 5,4°; 6,4°; 7,0°; 7,8°; 9,0°; 10,4°; 13,1°, 14,4°; 17,1°; 17,9°; 18,3°; 20,9°.4. - La rifaximina ß acorde con la cláusula 3, CARACTERIZADA PORQUE dicho contenido de agua comprende entre 5,0% y 6,0%. Una rifaximina ? purificada, un polimorfo del antibiótico rifaximina, CARACTERIZADA PORQUE dicha rifaximina ? presenta un contenido de agua entre 1,0% y 2,0% y produce un difractograma de polvo por rayos X que presenta un perfil fundamentalmente amorfo y pocos picos significativos en valores de ángulos de difracción 2T de 5,0°; 7,1°; 8,4°. Un proceso para la producción de las rifaximinas a, ß, y ?, CARACTERIZADO PORQUE comprende:hacer reaccionar un equivalente molar de rifamicina O con un exceso de 2-amino-4-metilpiridina en una mezcla de solventes compuesta de agua y aIcohol etílico en una relación volumétrica que comprende entre 1:1 y 2:1, por un período de tiempo entre 2 y 8 horas, a una temperatura entre 40 °C y 60 °C, tratar la masa de reacción a temperatura ambiente con una solución de ácido ascórbico en una mezcla de agua, alcohol etílico y ácido clorhídrico acuoso concentrado, ajustar el pH de la masa de reacción en pH 2,0 con una solución acuosa concentrada de ácido clorhídrico, ...
CO04022467A 2003-11-07 2004-03-11 Formas polimorficas de rifaximina, procesos para su produccion y uso de las mismas en preparaciones CO5560083A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT002144A ITMI20032144A1 (it) 2003-11-07 2003-11-07 Forme polimorfe di rifaximina, processi per ottenerle e

Publications (1)

Publication Number Publication Date
CO5560083A1 true CO5560083A1 (es) 2005-09-30

Family

ID=33187382

Family Applications (1)

Application Number Title Priority Date Filing Date
CO04022467A CO5560083A1 (es) 2003-11-07 2004-03-11 Formas polimorficas de rifaximina, procesos para su produccion y uso de las mismas en preparaciones

Country Status (38)

Country Link
US (5) US7045620B2 (es)
EP (6) EP1557421B1 (es)
JP (5) JP2005139161A (es)
KR (4) KR20050043589A (es)
CN (4) CN1613858A (es)
AR (3) AR043547A1 (es)
AT (3) ATE361927T1 (es)
AU (2) AU2004200964A1 (es)
BR (2) BRPI0402382A (es)
CA (2) CA2460384A1 (es)
CL (1) CL2004000498A1 (es)
CO (1) CO5560083A1 (es)
CY (3) CY1108017T1 (es)
DE (4) DE602004006367C5 (es)
DK (3) DK1676848T3 (es)
ES (3) ES2320161T3 (es)
HK (3) HK1092150A1 (es)
HR (2) HRP20040265A2 (es)
IL (2) IL160798A0 (es)
IT (1) ITMI20032144A1 (es)
JO (1) JO2470B1 (es)
MA (1) MA27069A1 (es)
MD (1) MD3653G8 (es)
ME (1) ME00424B (es)
MX (2) MXPA04002353A (es)
NO (1) NO334950B1 (es)
NZ (1) NZ531622A (es)
PL (3) PL1676848T3 (es)
PT (3) PT1557421E (es)
RS (4) RS54569B1 (es)
RU (1) RU2270200C2 (es)
SI (3) SI1557421T1 (es)
TN (2) TNSN04044A1 (es)
TW (1) TWI285107B (es)
UA (1) UA86384C2 (es)
WO (1) WO2005044823A2 (es)
YU (1) YU24804A (es)
ZA (1) ZA200401948B (es)

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UA101829C2 (uk) 2008-02-25 2013-05-13 Саликс Фармасьютикалз, Лтд. ФОРМА η РИФАКСИМІНУ І ЇЇ ЗАСТОСУВАННЯ В ТЕРАПЕВТИЧНІЙ ПРАКТИЦІ

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