DE3573120D1 - New process for the synthesis of pyrido-imidazo-refamycins - Google Patents

New process for the synthesis of pyrido-imidazo-refamycins

Info

Publication number
DE3573120D1
DE3573120D1 DE8585104790T DE3573120T DE3573120D1 DE 3573120 D1 DE3573120 D1 DE 3573120D1 DE 8585104790 T DE8585104790 T DE 8585104790T DE 3573120 T DE3573120 T DE 3573120T DE 3573120 D1 DE3573120 D1 DE 3573120D1
Authority
DE
Germany
Prior art keywords
refamycins
pyrido
imidazo
synthesis
new process
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8585104790T
Other languages
German (de)
English (en)
Inventor
Vincenzo Cannata
Gian Franco Tamagnone
Silvano Piani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfa Wasserman SpA
Original Assignee
Alfa Farmaceutici SpA
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
Application filed by Alfa Farmaceutici SpA filed Critical Alfa Farmaceutici SpA
Application granted granted Critical
Publication of DE3573120D1 publication Critical patent/DE3573120D1/de
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE8585104790T 1984-05-15 1985-04-19 New process for the synthesis of pyrido-imidazo-refamycins Expired DE3573120D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03463/84A IT1199374B (it) 1984-05-15 1984-05-15 Processo per la preparazione di pirido-imidazo-rifamicine

Publications (1)

Publication Number Publication Date
DE3573120D1 true DE3573120D1 (en) 1989-10-26

Family

ID=11107845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585104790T Expired DE3573120D1 (en) 1984-05-15 1985-04-19 New process for the synthesis of pyrido-imidazo-refamycins

Country Status (18)

Country Link
US (1) US4557866A (enExample)
EP (1) EP0161534B1 (enExample)
JP (1) JPS60252483A (enExample)
AR (1) AR241913A1 (enExample)
AT (1) ATE46512T1 (enExample)
AU (1) AU568934B2 (enExample)
CA (1) CA1215708A (enExample)
DE (1) DE3573120D1 (enExample)
DK (1) DK162647C (enExample)
ES (1) ES543115A0 (enExample)
FI (1) FI81101C (enExample)
GR (1) GR851144B (enExample)
IE (1) IE58392B1 (enExample)
IT (1) IT1199374B (enExample)
NO (1) NO164242C (enExample)
PH (1) PH22007A (enExample)
PT (1) PT80446B (enExample)
ZA (1) ZA852971B (enExample)

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ITMI20032144A1 (it) * 2003-11-07 2005-05-08 Alfa Wassermann Spa Forme polimorfe di rifaximina, processi per ottenerle e
US7923553B2 (en) 2003-11-07 2011-04-12 Alfa Wassermann, S.P.A. Processes for the production of polymorphic forms of rifaximin
US7902206B2 (en) 2003-11-07 2011-03-08 Alfa Wassermann, S.P.A. Polymorphic forms α, β and γ of rifaximin
US20080262024A1 (en) * 2003-11-07 2008-10-23 Giuseppe Claudio Viscomi Rifaximin compositions and method of use
US8003118B2 (en) * 2005-03-02 2011-08-23 Kodsi Robert E Use of rifaximin for the prevention of aspiration pneumonia and/or sepsis
US20060210492A1 (en) * 2005-03-02 2006-09-21 Kodsi Robert E Use of rifaximin for treatment and prevention of periodontal conditions
US20060210483A1 (en) * 2005-03-02 2006-09-21 Kodsi Robert E Non-systemic antibiotic formulations and related method of use and treatment of upper respiratory infections
PT1698630E (pt) 2005-03-03 2014-09-15 Alfa Wassermann Spa Novas formas polimorfas de rifaximina, processos para a sua produção e a sua utilização nas preparações medicinais
ITBO20050123A1 (it) 2005-03-07 2005-06-06 Alfa Wassermann Spa Formulazioni farmaceutiche gastroresistenti contenenti rifaximina
MX2008011305A (es) 2006-03-09 2009-02-10 Salix Pharmaceuticals Inc Preparacion anti-disfunsion rectal con rifaximina.
EP2054066B1 (en) 2006-08-02 2015-04-15 Salix Pharmaceuticals, Inc. Methods for treatment of radiation enteritis
ITMI20061692A1 (it) 2006-09-05 2008-03-06 Alfa Wassermann Spa Uso di polioli per ottenere forme polimorfe stabili di rifaximina
AU2007298733B2 (en) * 2006-09-22 2012-11-08 Cipla Limited Rifaximin
US20080159987A1 (en) * 2007-01-03 2008-07-03 Leonard Weinstock Use of Rifaximin for the Treatment of Restless Legs Syndrome
US20080161337A1 (en) * 2007-01-03 2008-07-03 Leonard Weinstock Use of Rifaximin for the Treatment of Chronic Prostatitis
ITMI20071241A1 (it) * 2007-06-20 2008-12-21 Solmag S P A Processo per la preparazione di rifaximina amorfa e rifaximina amorfa cosi' ottenuta
US7709634B2 (en) 2007-09-20 2010-05-04 Apotex Pharmachem Inc. Amorphous form of rifaximin and processes for its preparation
SG188931A1 (en) 2008-02-25 2013-04-30 Salix Pharmaceuticals Ltd Forms of rifaximin and uses thereof
US8486956B2 (en) 2008-02-25 2013-07-16 Salix Pharmaceuticals, Ltd Forms of rifaximin and uses thereof
US11779571B2 (en) 2008-02-26 2023-10-10 Salix Pharmaceuticals, Inc. Methods for treating irritable bowel syndrome (IBS)
DK2252148T3 (da) 2008-02-26 2019-05-06 Salix Pharmaceuticals Ltd Fremgangsmåder til behandling af irritabel tarmsyndrom
HRP20140939T1 (hr) 2008-05-07 2014-11-21 Salix Pharmaceuticals, Ltd. Davanje preparata za äśišä†enje crijeva i antibiotika za lijeäśenje bolesti crijeva
CN101585843B (zh) * 2008-05-21 2011-07-06 重庆赛诺生物药业股份有限公司 一种利福昔明的制备工艺
EP3628319B1 (en) 2008-10-02 2024-02-14 Salix Pharmaceuticals, Ltd. Treatment of hepatic encephalopathy using rifaximin
US12285414B2 (en) 2008-10-02 2025-04-29 Salix Pharmaceuticals, Inc. Methods of treating hepatic encephalopathy
US7928115B2 (en) 2008-10-02 2011-04-19 Salix Pharmaceuticals, Ltd. Methods of treating travelers diarrhea and hepatic encephalopathy
US20110035232A1 (en) * 2008-10-02 2011-02-10 Salix Pharmaceuticals, Ltd. Methods of treating hepatic encephalopathy
KR101906177B1 (ko) 2008-12-10 2018-10-10 시플라 리미티드 리팍시민 복합체
IT1397617B1 (it) * 2009-04-20 2013-01-18 Alfa Wassermann Spa Nuovi derivati della rifamicina
KR20170036116A (ko) 2009-06-02 2017-03-31 샐릭스 파마슈티컬스 리미티드 간성 뇌병증의 치료방법
NZ598671A (en) 2009-09-13 2014-02-28 Salix Pharmaceuticals Ltd Methods for treating irritable bowel syndrome (ibs)
AU2010320656B2 (en) 2009-11-23 2015-07-30 Cipla Limited Topical foam composition
US8952159B2 (en) 2009-12-28 2015-02-10 Silvio Massimo Lavagna Method for the production of amorphous rifaximin
CA2789929C (en) 2010-02-18 2019-11-26 Salix Pharmaceuticals, Ltd. Methods for treating infection
IT1398550B1 (it) 2010-03-05 2013-03-01 Alfa Wassermann Spa Formulazioni comprendenti rifaximina utili per ottenere un effetto prolungato nel tempo
WO2011156897A2 (en) * 2010-06-16 2011-12-22 Apotex Pharmachem Inc. Polymorphic forms of rifaximin
SI2593463T1 (sl) 2010-07-12 2020-10-30 Salix Pharmaceuticals, Inc. Formulacije rifaksimina in njihove uporabe
WO2012035544A2 (en) 2010-09-13 2012-03-22 Sequent Scientific Ltd. A novel polymorphic form of rifaximin and process for its preparation
PT2672970T (pt) 2011-02-11 2018-10-11 Salix Pharmaceuticals Ltd Formas de rifaximina e suas utilizações
CA2834829A1 (en) 2011-05-02 2012-11-08 Ranbaxy Laboratories Limited Rifaximin dimethylformamide solvate
WO2012155981A1 (en) 2011-05-19 2012-11-22 Friulchem Spa New process for the synthesis of rifaximin and a new pseudo-crystalline form of rifaximin obtained thereby
ITBO20110461A1 (it) 2011-07-29 2013-01-30 Alfa Wassermann Spa Composizioni farmaceutiche comprendenti rifaximina, processi per la loro preparazione e loro uso nel trattamento di infezioni vaginali.
ES2986825T3 (es) 2011-11-02 2024-11-12 Salix Pharmaceuticals Inc Rifaximina para la repetición de tratamiento del síndrome del intestino irritable con predominio de diarrea
CA2876737A1 (en) 2012-06-13 2013-12-19 Apotex Pharmachem Inc. Polymorphic forms of rifaximin
ITBO20120368A1 (it) 2012-07-06 2014-01-07 Alfa Wassermann Spa Composizioni comprendenti rifaximina e amminoacidi, cristalli di rifaximina derivanti da tali composizioni e loro uso.
JP2016516988A (ja) 2013-03-15 2016-06-09 アルファ ワッセルマン ソシエタ ペル アチオニＡｌｆａ Ｗａｓｓｅｒｍａｎｎ Ｓ．Ｐ．Ａ． 膣感染症を診断するための方法
EA201591267A1 (ru) 2013-03-15 2016-03-31 Альфа Вассерманн С.П.А. Рифаксимин для применения в лечении вагинальных инфекций
JP6433980B2 (ja) 2013-04-12 2018-12-05 アルファシグマ ソシエタ ペル アチオニ Ｎｓａｉｄ投与並びに関連する組成物、方法及びシステム
US9018225B1 (en) 2013-07-26 2015-04-28 Novel Laboratories Rifaximin crystalline forms and methods of preparation thereof
ITMI20131307A1 (it) 2013-08-02 2015-02-02 A M S A Anonima Materie Sint & Affini S P A Processo per la preparazione di refaximina k
CN103509038B (zh) * 2013-09-30 2016-01-20 浙江思贤制药有限公司 一种新晶型利福昔明ζ及其制备方法
EP2927235B1 (en) 2014-03-31 2017-02-08 Euticals S.P.A. Polymorphic mixture of rifaximin and its use for the preparation of solid formulations
MX375805B (es) 2014-05-04 2025-03-07 Salix Pharmaceuticals Inc Microbiota ibs y sus usos.
ES2742106T3 (es) 2014-05-12 2020-02-13 Alfasigma Spa Nueva forma de cristal solvatado de rifaximina, producción, composiciones y usos de la misma
EP2982764A1 (en) 2014-08-05 2016-02-10 ALFA WASSERMANN S.p.A. Identification of vaginal bacteria
US9988398B2 (en) 2016-06-07 2018-06-05 Cadila Healthcare Limited Crystalline form of rifaximin and process for its preparation
CN110072525B (zh) 2016-09-30 2022-12-02 萨利克斯药品公司 利福昔明的固态分散形式
EP3645539B1 (en) * 2017-06-26 2021-04-07 Biofer S.p.A. Pyrido-imidazo rifamycin derivatives as antibacterial agent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1154655B (it) * 1980-05-22 1987-01-21 Alfa Farmaceutici Spa Derivati imidazo-rifamicinici metodi per la loro preparazione e loro uso come sostanza ad azione antibatterica

Also Published As

Publication number Publication date
AR241913A1 (es) 1993-01-29
ES8603489A1 (es) 1986-01-01
EP0161534B1 (en) 1989-09-20
DK214685D0 (da) 1985-05-14
US4557866A (en) 1985-12-10
PT80446A (en) 1985-06-01
EP0161534A3 (en) 1987-03-04
CA1215708A (en) 1986-12-23
AU568934B2 (en) 1988-01-14
NO164242B (no) 1990-06-05
GR851144B (enExample) 1985-11-25
DK162647B (da) 1991-11-25
PH22007A (en) 1988-05-02
NO851921L (no) 1985-11-18
FI81101B (fi) 1990-05-31
DK162647C (da) 1992-04-13
NO164242C (no) 1990-09-12
FI81101C (fi) 1990-09-10
ZA852971B (en) 1985-12-24
ATE46512T1 (de) 1989-10-15
IT8403463A0 (it) 1984-05-15
IE58392B1 (en) 1993-09-08
JPH0469634B2 (enExample) 1992-11-06
AU4251585A (en) 1985-11-21
PT80446B (pt) 1987-11-11
ES543115A0 (es) 1986-01-01
DK214685A (da) 1985-11-16
FI851907A0 (fi) 1985-05-14
EP0161534A2 (en) 1985-11-21
FI851907L (fi) 1985-11-16
JPS60252483A (ja) 1985-12-13
IT1199374B (it) 1988-12-30
IE851191L (en) 1985-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALFA WASSERMANN S.P.A., ALANNO SCALO, PESCARA, IT

8328 Change in the person/name/address of the agent

Free format text: KRAUS, W., DIPL.-CHEM. DR.RER.NAT. WEISERT, A., DIPL.-ING. DR.-ING. SPIES, J., DIPL.-PHYS., PAT.-ANWAELTE NIELSEN, F., DR., RECHTSANW., 8000 MUENCHEN