ZA899795B - Compound with gastric acid inhibitory effect and process for its preparation - Google Patents

Compound with gastric acid inhibitory effect and process for its preparation

Info

Publication number: ZA899795B
Authority: ZA; South Africa
Prior art keywords: compound; preparation; inhibitory effect; gastric acid; acid inhibitory
Prior art date: 1988-12-22

Application number

ZA899795A

Other languages

English (en)

Inventor

Arne Elof Brandstroem

Elof Brandstroem Arne

Per Lennart Lindberg

Lennart Lindberg Per

Gunnel Elisabeth Sunden

Elisabeth Sunden Gunnel

Original Assignee

Haessle Ab

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.)

1988-12-22

Filing date

1989-12-20

Publication date

1990-08-29

1989-12-20 Application filed by Haessle Ab filed Critical Haessle Ab

1990-08-29 Publication of ZA899795B publication Critical patent/ZA899795B/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
- 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
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D235/28—Sulfur atoms

Landscapes

Organic Chemistry (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Medicinal Chemistry (AREA)
Engineering & Computer Science (AREA)
Pharmacology & Pharmacy (AREA)
Bioinformatics & Cheminformatics (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Plural Heterocyclic Compounds (AREA)
Pyridine Compounds (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

ZA899795A 1988-12-22 1989-12-20 Compound with gastric acid inhibitory effect and process for its preparation ZA899795B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE19888804629A SE8804629D0 (sv)	1988-12-22	1988-12-22	New therapeutically active compounds

Publications (1)

Publication Number	Publication Date
ZA899795B true ZA899795B (en)	1990-08-29

Family

ID=20374310

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
ZA899795A ZA899795B (en)	1988-12-22	1989-12-20	Compound with gastric acid inhibitory effect and process for its preparation
ZA899794A ZA899794B (en)	1988-12-22	1989-12-20	New therapeutically active compound and a process for its preparation

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
ZA899794A ZA899794B (en)	1988-12-22	1989-12-20	New therapeutically active compound and a process for its preparation

Country Status (32)

Country	Link
US (2)	US5008278A (xx)
EP (1)	EP0449940B1 (xx)
JP (1)	JP2793906B2 (xx)
KR (1)	KR910700249A (xx)
CN (1)	CN1028231C (xx)
AR (1)	AR248136A1 (xx)
AT (1)	ATE127799T1 (xx)
AU (1)	AU634741B2 (xx)
BG (1)	BG60102B2 (xx)
CA (1)	CA2005986C (xx)
DD (2)	DD296078A5 (xx)
DE (1)	DE68924273T2 (xx)
DK (1)	DK170800B1 (xx)
EG (1)	EG19303A (xx)
FI (2)	FI913035A0 (xx)
GR (1)	GR1002252B (xx)
HR (1)	HRP920831A2 (xx)
HU (2)	HU205927B (xx)
IE (1)	IE894048L (xx)
IL (1)	IL92798A0 (xx)
LT (2)	LT3980B (xx)
LV (1)	LV10187B (xx)
NZ (1)	NZ231872A (xx)
PH (1)	PH27400A (xx)
PL (1)	PL161150B1 (xx)
PT (1)	PT92648B (xx)
RO (1)	RO110494B1 (xx)
RU (2)	RU2073676C1 (xx)
SE (1)	SE8804629D0 (xx)
WO (1)	WO1990006925A1 (xx)
YU (1)	YU46806B (xx)
ZA (2)	ZA899795B (xx)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ244301A (en) *	1991-09-20	1994-08-26	Merck & Co Inc	Preparation of 2-pyridylmethylsulphinylbenzimidazole and pyridoimidazole derivatives from the corresponding sulphenyl compounds
TNSN95063A1 (fr) *	1994-05-27	1996-02-06	Astra Ab	Nouveaux benzimidazoles substitues
SE9402431D0 (sv) *	1994-07-08	1994-07-08	Astra Ab	New tablet formulation
DK0723436T3 (da) *	1994-07-08	2001-11-26	Astrazeneca Ab	Tabletteret flerenhedsdoseringsform
SE9500422D0 (sv) *	1995-02-06	1995-02-06	Astra Ab	New oral pharmaceutical dosage forms
SE9500478D0 (sv) *	1995-02-09	1995-02-09	Astra Ab	New pharmaceutical formulation and process
US6699885B2 (en) *	1996-01-04	2004-03-02	The Curators Of The University Of Missouri	Substituted benzimidazole dosage forms and methods of using same
US6489346B1 (en)	1996-01-04	2002-12-03	The Curators Of The University Of Missouri	Substituted benzimidazole dosage forms and method of using same
US6645988B2 (en) *	1996-01-04	2003-11-11	Curators Of The University Of Missouri	Substituted benzimidazole dosage forms and method of using same
US5840737A (en)	1996-01-04	1998-11-24	The Curators Of The University Of Missouri	Omeprazole solution and method for using same
SE9600070D0 (sv)	1996-01-08	1996-01-08	Astra Ab	New oral pharmaceutical dosage forms
DE19758573C2 (de) *	1997-11-26	2001-03-01	Implex Hear Tech Ag	Fixationselement für ein implantierbares Mikrofon
WO1999053918A1 (fr) *	1998-04-20	1999-10-28	Eisai Co., Ltd.	Compositions stabilisees contenant des composes du type benzimidazole
TWI243672B (en)	1999-06-01	2005-11-21	Astrazeneca Ab	New use of compounds as antibacterial agents
PT1222922E (pt)	1999-10-20	2007-09-12	Eisai R&D Man Co Ltd	Método para estabilizar compostos de benzimidazole.
SE0000774D0 (sv)	2000-03-08	2000-03-08	Astrazeneca Ab	New formulation
SE0101379D0 (sv)	2001-04-18	2001-04-18	Diabact Ab	Komposition som hämmar utsöndring av magsyra
US8206741B2 (en)	2001-06-01	2012-06-26	Pozen Inc.	Pharmaceutical compositions for the coordinated delivery of NSAIDs
SE0102993D0 (sv)	2001-09-07	2001-09-07	Astrazeneca Ab	New self emulsifying drug delivery system
JP2005521662A (ja) *	2002-01-25	2005-07-21	サンタラスインコーポレイティッド	プロトンポンプ阻害剤の経粘膜送達
AU2003224781A1 (en) *	2002-03-26	2003-10-13	Dr. Reddy's Laboratories Limited	Crystalline forms of rabeprazole sodium
SE0203065D0 (sv)	2002-10-16	2002-10-16	Diabact Ab	Gastric acid secretion inhibiting composition
WO2004073654A2 (en) *	2003-02-20	2004-09-02	Santarus, Inc.	A novel formulation, omeprazole antacid complex-immediate release for rapid and sustained supression of gastric acid
US8993599B2 (en) *	2003-07-18	2015-03-31	Santarus, Inc.	Pharmaceutical formulations useful for inhibiting acid secretion and methods for making and using them
EP1648416A4 (en) *	2003-07-18	2012-03-28	Santarus Inc	PHARMACEUTICAL FORMULATIONS FOR INHIBITING THE ACIDIC ACIDIFICATION AND MANUFACTURING AND USE METHOD
JP2006528182A (ja) *	2003-07-18	2006-12-14	サンタラスインコーポレイティッド	薬学的製剤および酸に起因する消化器疾患の治療法
US8246986B2 (en)	2003-09-26	2012-08-21	Alza Corporation	Drug coating providing high drug loading
US20070292498A1 (en) *	2003-11-05	2007-12-20	Warren Hall	Combinations of proton pump inhibitors, sleep aids, buffers and pain relievers
US8906940B2 (en) *	2004-05-25	2014-12-09	Santarus, Inc.	Pharmaceutical formulations useful for inhibiting acid secretion and methods for making and using them
US8815916B2 (en) *	2004-05-25	2014-08-26	Santarus, Inc.	Pharmaceutical formulations useful for inhibiting acid secretion and methods for making and using them
US8541026B2 (en)	2004-09-24	2013-09-24	Abbvie Inc.	Sustained release formulations of opioid and nonopioid analgesics
US7981908B2 (en)	2005-05-11	2011-07-19	Vecta, Ltd.	Compositions and methods for inhibiting gastric acid secretion
US7803817B2 (en)	2005-05-11	2010-09-28	Vecta, Ltd.	Composition and methods for inhibiting gastric acid secretion
JP5474541B2 (ja)	2006-07-25	2014-04-16	ベクタ・リミテッド	小さいジカルボン酸の誘導体と組み合わせてｐｐｉを用いる胃酸分泌を阻害する組成物および方法
US20090092658A1 (en) *	2007-10-05	2009-04-09	Santarus, Inc.	Novel formulations of proton pump inhibitors and methods of using these formulations
CN102209529A (zh)	2008-09-09	2011-10-05	阿斯利康(瑞典)有限公司	将药物组合物递送至有需要的患者的方法
JP2012531409A (ja)	2009-06-25	2012-12-10	アストラゼネカ・アクチエボラーグ	Ｎｓａｉｄ関連潰瘍を発症するリスクがある患者の処置方法
WO2011080500A2 (en)	2009-12-29	2011-07-07	Orexo Ab	New pharmaceutical dosage form for the treatment of gastric acid-related disorders
WO2011080502A2 (en)	2009-12-29	2011-07-07	Orexo Ab	New pharmaceutical dosage form for the treatment of gastric acid-related disorders
WO2011080501A2 (en)	2009-12-29	2011-07-07	Orexo Ab	New pharmaceutical dosage form for the treatment of gastric acid-related disorders
EP2601947A1 (en)	2011-12-05	2013-06-12	Abo Bakr Mohammed Ali Al-Mehdar	Fixed-dose combination for treatment of helicobacter pylori associated diseases
EA028049B1 (ru)	2011-12-28	2017-10-31	Поузен Инк.	Улучшенные композиции и способы доставки омепразола и ацетилсалициловой кислоты

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US428098A (en)		1890-05-20		Electric railway
US727150A (en)	1902-06-18	1903-05-05	Peter Paul Keller	Adjustable hanger for incandescent lamps.
SE418966B (sv) *	1974-02-18	1981-07-06	Haessle Ab	Analogiforfarande for framstellning av foreningar med magsyrasekretionsinhiberande verkan
SE416649B (sv) *	1974-05-16	1981-01-26	Haessle Ab	Forfarande for framstellning av foreningar som paverkar magsyrasekretionen
IN148930B (xx) *	1977-09-19	1981-07-25	Hoffmann La Roche
SE7804231L (sv) *	1978-04-14	1979-10-15	Haessle Ab	Magsyrasekretionsmedel
US4359465A (en) *	1980-07-28	1982-11-16	The Upjohn Company	Methods for treating gastrointestinal inflammation
CH644116A5 (de) *	1980-08-21	1984-07-13	Hoffmann La Roche	Imidazolderivate.
DE3215503A1 (de)	1982-04-26	1983-11-03	Zängl GmbH, 8000 München	Elektrisch beheiztes schneidgeraet
SE8301182D0 (sv) *	1983-03-04	1983-03-04	Haessle Ab	Novel compounds
HU195220B (en) *	1983-05-03	1988-04-28	Byk Gulden Lomberg Chem Fqb	Process for production of new fluor-alkoxi-benzimidasole-derivatives and medical compositions containig them
JPS6150979A (ja) *	1984-08-16	1986-03-13	Takeda Chem Ind Ltd	ピリジン誘導体およびその製造法
JPS6150978A (ja) *	1984-08-16	1986-03-13	Takeda Chem Ind Ltd	ピリジン誘導体およびその製造法
AU568441B2 (en) *	1984-09-24	1987-12-24	Upjohn Company, The	2-(pyridylalkenesulfinyl) benzimidazole derivatives
US4738975A (en) *	1985-07-02	1988-04-19	Takeda Chemical Industries, Ltd.	Pyridine derivatives, and use as anti-ulcer agents
JPS6261978A (ja) *	1985-09-12	1987-03-18	Otsuka Pharmaceut Co Ltd	５−フルオロ−１ｈ−ベンズイミダゾ−ル誘導体
SE8505112D0 (sv) *	1985-10-29	1985-10-29	Haessle Ab	Novel pharmacological compounds
JPS62201884A (ja) *	1986-02-28	1987-09-05	Tokyo Tanabe Co Ltd	ベンズイミダゾール誘導体及びその製造法
FI90544C (fi) *	1986-11-13	1994-02-25	Eisai Co Ltd	Menetelmä lääkeaineina käyttökelpoisten 2-pyridin-2-yyli-metyylitio- ja sulfinyyli-1H-bensimidatsolijohdannaisten valmistamiseksi
NZ222495A (en) *	1986-11-21	1991-04-26	Haessle Ab	Benzimidazole derivatives and pharmaceutical compositions
FI96860C (fi) *	1987-06-17	1996-09-10	Eisai Co Ltd	Analogiamenetelmä lääkeaineena käytettävän pyridiinijohdannaisen valmistamiseksi
DE3722810A1 (de) *	1987-07-10	1989-01-19	Hoechst Ag	Substituierte benzimidazole, verfahren zu deren herstellung, diese enthaltende pharmazeutische zubereitungen und deren verwendung
DK171989B1 (da) *	1987-08-04	1997-09-08	Takeda Chemical Industries Ltd	Fremgangsmåde til fremstilling af 2-(2-pyridylmethylsulfinyl)-benzimidazoler
JPH0676323B2 (ja) *	1987-08-28	1994-09-28	東京田辺製薬株式会社	抗潰瘍剤

1988
- 1988-12-22 SE SE19888804629A patent/SE8804629D0/xx unknown
1989
- 1989-12-18 EG EG62189A patent/EG19303A/xx active
- 1989-12-18 AR AR89315705A patent/AR248136A1/es active
- 1989-12-18 IE IE894048A patent/IE894048L/xx unknown
- 1989-12-19 PH PH39732A patent/PH27400A/en unknown
- 1989-12-19 CA CA002005986A patent/CA2005986C/en not_active Expired - Lifetime
- 1989-12-19 IL IL92798A patent/IL92798A0/xx not_active IP Right Cessation
- 1989-12-19 GR GR890100838A patent/GR1002252B/el unknown
- 1989-12-19 NZ NZ231872A patent/NZ231872A/en unknown
- 1989-12-20 JP JP2501537A patent/JP2793906B2/ja not_active Expired - Fee Related
- 1989-12-20 US US07/454,047 patent/US5008278A/en not_active Expired - Lifetime
- 1989-12-20 DE DE68924273T patent/DE68924273T2/de not_active Expired - Fee Related
- 1989-12-20 AT AT90901079T patent/ATE127799T1/de not_active IP Right Cessation
- 1989-12-20 HU HU901095A patent/HU205927B/hu not_active IP Right Cessation
- 1989-12-20 DD DD89335980A patent/DD296078A5/de not_active IP Right Cessation
- 1989-12-20 AU AU48175/90A patent/AU634741B2/en not_active Ceased
- 1989-12-20 RU SU894895789A patent/RU2073676C1/ru active
- 1989-12-20 EP EP90901079A patent/EP0449940B1/en not_active Expired - Lifetime
- 1989-12-20 ZA ZA899795A patent/ZA899795B/xx unknown
- 1989-12-20 ZA ZA899794A patent/ZA899794B/xx unknown
- 1989-12-20 HU HU901084A patent/HU205926B/hu not_active IP Right Cessation
- 1989-12-20 RO RO147866A patent/RO110494B1/ro unknown
- 1989-12-20 DD DD89335981A patent/DD296079A5/de not_active IP Right Cessation
- 1989-12-20 WO PCT/SE1989/000740 patent/WO1990006925A1/en active Application Filing
- 1989-12-21 YU YU242689A patent/YU46806B/sh unknown
- 1989-12-21 PT PT92648A patent/PT92648B/pt not_active IP Right Cessation
- 1989-12-21 CN CN89109587A patent/CN1028231C/zh not_active Expired - Fee Related
- 1989-12-22 PL PL1989282923A patent/PL161150B1/pl unknown
1990
- 1990-08-21 KR KR1019900701828A patent/KR910700249A/ko not_active Application Discontinuation
- 1990-12-20 US US07/633,007 patent/US5039808A/en not_active Expired - Lifetime
1991
- 1991-06-19 BG BG094659A patent/BG60102B2/bg unknown
- 1991-06-20 FI FI913035A patent/FI913035A0/fi not_active Application Discontinuation
- 1991-06-21 RU SU914895805A patent/RU2042673C1/ru active
- 1991-06-21 DK DK122291A patent/DK170800B1/da not_active IP Right Cessation
1992
- 1992-10-02 HR HR920831A patent/HRP920831A2/hr not_active Application Discontinuation
1993
- 1993-06-30 LV LVP-93-860A patent/LV10187B/en unknown
- 1993-12-30 LT LTIP1721A patent/LT3980B/lt not_active IP Right Cessation
- 1993-12-30 LT LTIP1726A patent/LT3914B/lt not_active IP Right Cessation
1995
- 1995-10-06 FI FI954768A patent/FI954768A0/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
CN1043713A (zh)	1990-07-11
DK122291D0 (da)	1991-06-21
JPH04502461A (ja)	1992-05-07
AU4817590A (en)	1990-07-10
US5008278A (en)	1991-04-16
LV10187B (en)	1995-04-20
CN1028231C (zh)	1995-04-19
HU205927B (en)	1992-07-28
BG60102B2 (bg)	1993-10-29
HRP920831A2 (en)	1995-12-31
NZ231872A (en)	1992-03-26
KR910700249A (ko)	1991-03-14
LT3980B (en)	1996-06-25
PT92648A (pt)	1990-06-29
HUT57202A (en)	1991-11-28
PL161150B1 (en)	1993-05-31
LTIP1726A (en)	1995-07-25
DE68924273T2 (de)	1996-02-15
DD296078A5 (de)	1991-11-21
RU2042673C1 (ru)	1995-08-27
CA2005986C (en)	1999-08-03
GR1002252B (en)	1996-04-23
DD296079A5 (de)	1991-11-21
WO1990006925A1 (en)	1990-06-28
EP0449940A1 (en)	1991-10-09
FI954768A (fi)	1995-10-06
LT3914B (en)	1996-04-25
RO110494B1 (ro)	1996-01-30
DK170800B1 (da)	1996-01-22
FI954768A0 (fi)	1995-10-06
ATE127799T1 (de)	1995-09-15
LV10187A (lv)	1994-10-20
PT92648B (pt)	1995-09-12
SE8804629D0 (sv)	1988-12-22
PH27400A (en)	1993-06-21
LTIP1721A (en)	1995-07-25
YU242689A (en)	1991-04-30
EG19303A (en)	1994-11-30
AR248136A1 (es)	1995-06-30
EP0449940B1 (en)	1995-09-13
RU2073676C1 (ru)	1997-02-20
IE894048L (en)	1990-06-22
DK122291A (da)	1991-06-24
AU634741B2 (en)	1993-03-04
FI913035A0 (fi)	1991-06-20
DE68924273D1 (de)	1995-10-19
HU901084D0 (en)	1991-09-30
IL92798A0 (en)	1990-09-17
YU46806B (sh)	1994-06-10
ZA899794B (en)	1990-08-29
US5039808A (en)	1991-08-13
JP2793906B2 (ja)	1998-09-03
HU205926B (en)	1992-07-28
GR890100838A (el)	1991-03-15
CA2005986A1 (en)	1990-06-22

Publication	Publication Date	Title
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