ZA852971B - New process for the synthesis of pyrido-imidazo rifamycins - Google Patents

New process for the synthesis of pyrido-imidazo rifamycins

Info

Publication number
ZA852971B
ZA852971B ZA852971A ZA852971A ZA852971B ZA 852971 B ZA852971 B ZA 852971B ZA 852971 A ZA852971 A ZA 852971A ZA 852971 A ZA852971 A ZA 852971A ZA 852971 B ZA852971 B ZA 852971B
Authority
ZA
South Africa
Prior art keywords
pyrido
synthesis
new process
rifamycins
imidazo
Prior art date
Application number
ZA852971A
Other languages
English (en)
Inventor
Vincenzo Cannata
Gian Franco Tamagnone
Silvano Piani
Egidio Marchi
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
Publication of ZA852971B publication Critical patent/ZA852971B/xx

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)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (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)
ZA852971A 1984-05-15 1985-04-19 New process for the synthesis of pyrido-imidazo rifamycins ZA852971B (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
ZA852971B true ZA852971B (en) 1985-12-24

Family

ID=11107845

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA852971A ZA852971B (en) 1984-05-15 1985-04-19 New process for the synthesis of pyrido-imidazo rifamycins

Country Status (18)

Country Link
US (1) US4557866A (en, 2012)
EP (1) EP0161534B1 (en, 2012)
JP (1) JPS60252483A (en, 2012)
AR (1) AR241913A1 (en, 2012)
AT (1) ATE46512T1 (en, 2012)
AU (1) AU568934B2 (en, 2012)
CA (1) CA1215708A (en, 2012)
DE (1) DE3573120D1 (en, 2012)
DK (1) DK162647C (en, 2012)
ES (1) ES543115A0 (en, 2012)
FI (1) FI81101C (en, 2012)
GR (1) GR851144B (en, 2012)
IE (1) IE58392B1 (en, 2012)
IT (1) IT1199374B (en, 2012)
NO (1) NO164242C (en, 2012)
PH (1) PH22007A (en, 2012)
PT (1) PT80446B (en, 2012)
ZA (1) ZA852971B (en, 2012)

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US7048906B2 (en) 1995-05-17 2006-05-23 Cedars-Sinai Medical Center Methods of diagnosing and treating small intestinal bacterial overgrowth (SIBO) and SIBO-related conditions
US7078399B2 (en) * 2001-12-13 2006-07-18 Activbiotics, Inc. Sulfhydryl rifamycins and uses thereof
US20080262024A1 (en) * 2003-11-07 2008-10-23 Giuseppe Claudio Viscomi Rifaximin compositions and method of use
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
ITMI20032144A1 (it) * 2003-11-07 2005-05-08 Alfa Wassermann Spa Forme polimorfe di rifaximina, processi per ottenerle e
US7906542B2 (en) 2004-11-04 2011-03-15 Alfa Wassermann, S.P.A. Pharmaceutical compositions comprising polymorphic forms α, β, and γ of rifaximin
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
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
ES2522895T3 (es) 2005-03-03 2014-11-19 Alfa Wassermann S.P.A. Nuevas formas polimorfas de rifaximina, procedimientos para su producción y uso de las mismas en preparados medicinales
ITBO20050123A1 (it) * 2005-03-07 2005-06-06 Alfa Wassermann Spa Formulazioni farmaceutiche gastroresistenti contenenti rifaximina
WO2007103448A2 (en) 2006-03-09 2007-09-13 Salix Pharmaceuticals, Inc. Rifaximin anti-rectal dysfunction preparation
DK2054066T3 (en) 2006-08-02 2015-06-08 Salix Pharmaceuticals Inc METHODS OF TREATMENT OF RADIATE ENTERITIS
ITMI20061692A1 (it) 2006-09-05 2008-03-06 Alfa Wassermann Spa Uso di polioli per ottenere forme polimorfe stabili di rifaximina
KR101667534B1 (ko) 2006-09-22 2016-10-19 씨아이피엘에이 엘티디. 리팍시민
US20080161337A1 (en) * 2007-01-03 2008-07-03 Leonard Weinstock Use of Rifaximin for the Treatment of Chronic Prostatitis
US20080159987A1 (en) * 2007-01-03 2008-07-03 Leonard Weinstock Use of Rifaximin for the Treatment of Restless Legs Syndrome
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
BRPI0908864A2 (pt) * 2008-02-25 2018-09-18 Salix Pharmaceuticals Ltd formas da rifaximina e usos das mesmas
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)
US8309569B2 (en) 2008-02-26 2012-11-13 Salix Pharmaceuticals, Ltd. Methods for treating diarrhea-associated irritable bowel syndrome
EP2294012B1 (en) 2008-05-07 2014-07-09 Salix Pharmaceuticals, Ltd. Administration of a bowel cleanser and an antibiotic for the treatment of bowel disease
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
US20110035232A1 (en) * 2008-10-02 2011-02-10 Salix Pharmaceuticals, Ltd. Methods of treating hepatic encephalopathy
EP3628319B1 (en) 2008-10-02 2024-02-14 Salix Pharmaceuticals, Ltd. Treatment of hepatic encephalopathy using rifaximin
US7928115B2 (en) * 2008-10-02 2011-04-19 Salix Pharmaceuticals, Ltd. Methods of treating travelers diarrhea and hepatic encephalopathy
US12285414B2 (en) 2008-10-02 2025-04-29 Salix Pharmaceuticals, Inc. Methods of treating hepatic encephalopathy
WO2010067072A1 (en) 2008-12-10 2010-06-17 Cipla Limited Rifaximin complexes
IT1397617B1 (it) * 2009-04-20 2013-01-18 Alfa Wassermann Spa Nuovi derivati della rifamicina
CN102548408A (zh) 2009-06-02 2012-07-04 萨利克斯药品有限公司 治疗肝性脑病的方法
KR20120062897A (ko) 2009-09-13 2012-06-14 샐릭스 파마슈티컬스 리미티드 과민성 장 증후군(ｉｂｓ)의 치료방법
WO2011061519A2 (en) 2009-11-23 2011-05-26 Cipla Limited Topical foam composition
EP2401282B2 (en) 2009-12-28 2017-01-04 Silvio Massimo Lavagna Method for the production of amorphous rifaximin
AU2011218129A1 (en) 2010-02-18 2012-08-23 Board Of Regents Of The University Of Texas System 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
US20120077835A1 (en) 2010-07-12 2012-03-29 Salix Pharmaceuticals, Ltd. Formulations of rifaximin and uses thereof
WO2012035544A2 (en) 2010-09-13 2012-03-22 Sequent Scientific Ltd. A novel polymorphic form of rifaximin and process for its preparation
JP6076267B2 (ja) 2011-02-11 2017-02-08 サリックス ファーマスーティカルズ，リミテッド リファキシミンの形態およびその使用
EP2705042A1 (en) 2011-05-02 2014-03-12 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.
PL2773205T3 (pl) 2011-11-02 2024-09-02 Salix Pharmaceuticals, Inc. Ryfaksymina w leczeniu ustępującej biegunki z przewagą zespołu jelita drażliwego
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.
WO2014140995A2 (en) 2013-03-15 2014-09-18 Alfa Wassermann S.P.A. Method for diagnosing vaginal infections
CA2897758A1 (en) 2013-03-15 2014-09-18 Alfa Wassermann S.P.A. Rifaximin for use in the treating of vaginal infections
MX374340B (es) 2013-04-12 2025-03-06 Alfasigma Spa Administracion de farmacos antiinflamatorios no esteroidales y composiciones, metodos y sistemas relacionados.
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
EP3140313B1 (en) 2014-05-04 2020-02-26 Salix Pharmaceuticals, Inc. Ibs microbiota and uses thereof
EP3546464B1 (en) 2014-05-12 2020-06-17 Alfasigma S.p.A. Preparation and use of crystalline form tau of rifaximin solvated with degme
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
KR102494049B1 (ko) 2016-09-30 2023-01-31 샐릭스 파마슈티컬스 인코포레이티드 리팍시민의 고체 분산물 형태
DK3645539T3 (da) * 2017-06-26 2021-05-10 Biofer Spa Pyrido-imidazo-rifamycin-derivater som antibakterielt middel

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
ES8603489A1 (es) 1986-01-01
IT8403463A0 (it) 1984-05-15
NO164242C (no) 1990-09-12
PH22007A (en) 1988-05-02
DK162647C (da) 1992-04-13
FI81101B (fi) 1990-05-31
EP0161534A2 (en) 1985-11-21
IE851191L (en) 1985-11-15
NO851921L (no) 1985-11-18
FI81101C (fi) 1990-09-10
PT80446A (en) 1985-06-01
DK162647B (da) 1991-11-25
ATE46512T1 (de) 1989-10-15
IT1199374B (it) 1988-12-30
JPS60252483A (ja) 1985-12-13
ES543115A0 (es) 1986-01-01
AU568934B2 (en) 1988-01-14
DE3573120D1 (en) 1989-10-26
EP0161534B1 (en) 1989-09-20
AR241913A1 (es) 1993-01-29
NO164242B (no) 1990-06-05
CA1215708A (en) 1986-12-23
EP0161534A3 (en) 1987-03-04
US4557866A (en) 1985-12-10
GR851144B (en, 2012) 1985-11-25
AU4251585A (en) 1985-11-21
DK214685D0 (da) 1985-05-14
IE58392B1 (en) 1993-09-08
PT80446B (pt) 1987-11-11
DK214685A (da) 1985-11-16
JPH0469634B2 (en, 2012) 1992-11-06
FI851907L (fi) 1985-11-16
FI851907A0 (fi) 1985-05-14

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