TW282466B - - Google Patents

Info

Publication number
TW282466B
TW282466B TW083101242A TW83101242A TW282466B TW 282466 B TW282466 B TW 282466B TW 083101242 A TW083101242 A TW 083101242A TW 83101242 A TW83101242 A TW 83101242A TW 282466 B TW282466 B TW 282466B
Authority
TW
Taiwan
Prior art keywords
chr
platelet aggregation
inhibiting platelet
alkyl
sidechain containing
Prior art date
Application number
TW083101242A
Other languages
English (en)
Chinese (zh)
Inventor
Allen Newlander Kenneth
Martin Samanen James
Original Assignee
Smithkline Beecham Corp
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 Smithkline Beecham Corp filed Critical Smithkline Beecham Corp
Application granted granted Critical
Publication of TW282466B publication Critical patent/TW282466B/zh

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D223/00Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/14Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D223/16Benzazepines; Hydrogenated benzazepines
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00Drugs for disorders of the blood or the extracellular fluid
    • A61P7/02Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/08Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
    • C07D211/18Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D211/70Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/24Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D243/00Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/04Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 3
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D243/00Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/10Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D243/141,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D243/00Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/10Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D243/141,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines
    • C07D243/161,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals
    • C07D243/181,4-Benzodiazepines; Hydrogenated 1,4-benzodiazepines substituted in position 5 by aryl radicals substituted in position 2 by nitrogen, oxygen or sulfur atoms
    • C07D243/24Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D267/00Heterocyclic compounds containing rings of more than six members having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D267/02Seven-membered rings
    • C07D267/08Seven-membered rings having the hetero atoms in positions 1 and 4
    • C07D267/12Seven-membered rings having the hetero atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D267/14Seven-membered rings having the hetero atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic 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
    • C07D401/02Heterocyclic 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
    • C07D401/12Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D453/00Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
    • C07D453/02Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Diabetes (AREA)
  • Hematology (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)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
  • Pyridine Compounds (AREA)
TW083101242A 1992-12-21 1994-02-16 TW282466B (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99288592A 1992-12-21 1992-12-21
US3794893A 1993-03-26 1993-03-26

Publications (1)

Publication Number Publication Date
TW282466B true TW282466B (OSRAM) 1996-08-01

Family

ID=26714648

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083101242A TW282466B (OSRAM) 1992-12-21 1994-02-16

Country Status (14)

Country Link
EP (1) EP0674623B1 (OSRAM)
JP (1) JPH08505145A (OSRAM)
KR (1) KR100318572B1 (OSRAM)
CN (2) CN1041921C (OSRAM)
AT (1) ATE236882T1 (OSRAM)
AU (1) AU689762B2 (OSRAM)
CA (1) CA2152631A1 (OSRAM)
DE (1) DE69332860T2 (OSRAM)
ES (1) ES2197160T3 (OSRAM)
MX (1) MXPA94000047A (OSRAM)
NZ (2) NZ314922A (OSRAM)
SG (2) SG90035A1 (OSRAM)
TW (1) TW282466B (OSRAM)
WO (1) WO1994014776A2 (OSRAM)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939412A (en) * 1992-06-26 1999-08-17 Smithkline Beecham Corporation Bicyclic fibrinogen antagonists
US5693636A (en) * 1991-06-28 1997-12-02 Smithkline Beecham Corporation Bicyclic fibrinogen antagonists
US5663166A (en) * 1991-10-18 1997-09-02 Genentech, Inc. Nonpeptidyl integrin inhibitors having specificity for the GPIIb IIIa receptor
MA23420A1 (fr) * 1994-01-07 1995-10-01 Smithkline Beecham Corp Antagonistes bicycliques de fibrinogene.
WO1996000574A1 (en) * 1994-06-29 1996-01-11 Smithkline Beecham Corporation Vitronectin receptor antagonists
US6458784B1 (en) 1994-06-29 2002-10-01 Smithkline Beecham Corporation Vitronectin receptor antagonists
AU702661B2 (en) * 1994-06-29 1999-02-25 Smithkline Beecham Corporation Vitronectin receptor antagonists
EP0777657A1 (en) * 1994-08-22 1997-06-11 Smithkline Beecham Corporation Bicyclic compounds
EP0796252A4 (en) * 1994-12-09 1998-02-04 Smithkline Beecham Corp BICYCLIC FIBRINOGEN ANTAGONISTS
US5719144A (en) * 1995-02-22 1998-02-17 Merck & Co., Inc. Fibrinogen receptor antagonists
WO1996026190A1 (en) * 1995-02-22 1996-08-29 Smithkline Beecham Corporation Integrin receptor antagonists
DE19516483A1 (de) 1995-05-05 1996-11-07 Merck Patent Gmbh Adhäsionsrezeptor-Antagonisten
US5977101A (en) * 1995-06-29 1999-11-02 Smithkline Beecham Corporation Benzimidazoles/Imidazoles Linked to a Fibrinogen Receptor Antagonist Template Having Vitronectin Receptor Antagonist Activity
US5852045A (en) * 1995-10-19 1998-12-22 Merck & Co., Inc. Fibrinogen receptor antagonists
TR199801255T2 (xx) * 1995-12-29 1998-10-21 Smithkline Beecham Corporation Vitronektin resept�r antagonistleri.
IL125030A0 (en) * 1995-12-29 1999-01-26 Smithkline Beecham Corp Vitronectin receptor antagonists
US6011029A (en) 1996-02-26 2000-01-04 Bristol-Myers Squibb Company Inhibitors of farnesyl protein transferase
CA2264607A1 (en) 1996-09-03 1998-03-12 Stephen Torey Ross Crystalline pharmaceutical product
UA60311C2 (uk) * 1996-10-02 2003-10-15 Смітклайн Бічам Корпорейшн Антагоністи рецептора вітронектину, спосіб одержання цих сполук та фармацевтична композиція
US20030125317A1 (en) 1996-10-02 2003-07-03 Smithkline Beecham Corporation Vitronectin receptor antagonists
DE19653647A1 (de) * 1996-12-20 1998-06-25 Hoechst Ag Vitronectin - Rezeptorantagonisten, deren Herstellung sowie deren Verwendung
US6218387B1 (en) 1996-12-20 2001-04-17 Hoechst Aktiengesellschaft Vitronectin receptor anatagonists, their preparation and their use
DE19653645A1 (de) * 1996-12-20 1998-06-25 Hoechst Ag Vitronectin - Rezeptorantagonisten, deren Herstellung sowie deren Verwendung
US6482821B2 (en) 1996-12-20 2002-11-19 Hoechst Aktiengellschaft Vitronectin receptor antagonists, their preparation and their use
PL334293A1 (en) * 1996-12-27 2000-02-14 Smithkline Beecham Plc Enzymatic separation of benzodiazepinacetic esters by means of lipase
WO1999005107A1 (en) * 1997-07-25 1999-02-04 Smithkline Beecham Corporation Vitronectin receptor antagonist
EP1007051A4 (en) * 1997-08-04 2001-08-29 Smithkline Beecham Corp INTEGRIN RECEPTOR ANTAGONISTS
NZ525513A (en) 1998-08-07 2004-09-24 Pont Pharmaceuticals Du Succinoylamino lactams as inhibitors of Abeta protein production
HRP990246A2 (en) 1998-08-07 2000-06-30 Du Pont Pharm Co Succinoylamino benzodiazepines as inhibitors of a beta protein production
US6339083B1 (en) * 1998-12-14 2002-01-15 Bayer Aktiengesellschaft Multiheterocyclic pharmAceuticals
JP4615727B2 (ja) 1998-12-24 2011-01-19 ブリストル−マイヤーズ スクイブ ファーマ カンパニー Aβタンパク質生成の阻害剤としてのスクシノイルアミノベンゾジアゼピン
GB9908662D0 (en) * 1999-04-15 1999-06-09 Smithkline Beecham Plc Novel process for preparing benzodiazepines
CO5180550A1 (es) 1999-04-19 2002-07-30 Smithkline Beecham Corp Inhibidores de fab i
US6960576B2 (en) 1999-09-13 2005-11-01 Bristol-Myers Squibb Pharma Company Hydroxyalkanoylaminolactams and related structures as inhibitors of Aβ protein production
US6503902B2 (en) 1999-09-13 2003-01-07 Bristol-Myers Squibb Pharma Company Hydroxyalkanoylaminolactams and related structures as inhibitors of a β protein production
AU7997700A (en) 1999-10-08 2001-04-23 Du Pont Pharmaceuticals Company Amino lactam sulfonamides as inhibitors of abeta protein production
WO2001035964A1 (en) 1999-11-18 2001-05-25 Antexpharma, Inc. Substituted 1-benzazepines and derivatives thereof
AU2001239791A1 (en) 2000-02-17 2001-08-27 Du Pont Pharmaceuticals Company Succinoylamino carbocycles and heterocycles as inhibitors of abeta protein production
AU2001253090A1 (en) 2000-04-03 2001-10-15 Bristol-Myers Squibb Pharma Company Cyclic lactams as inhibitors of abeta protein production
CN1434803A (zh) 2000-04-03 2003-08-06 布里斯托尔-迈尔斯斯奎布药品公司 作为Aβ蛋白质产生抑制剂的环内酰胺
JP2004500419A (ja) 2000-04-11 2004-01-08 デュポン ファーマシューティカルズ カンパニー Aβタンパク質産生阻害剤としての置換ラクタム
AU2001248777A1 (en) 2000-04-19 2001-10-30 Chugai Seiyaku Kabushiki Kaisha Vitamin d derivatives
US6509333B2 (en) 2000-06-01 2003-01-21 Bristol-Myers Squibb Pharma Company Lactams substituted by cyclic succinates as inhibitors of Aβ protein production
PL364625A1 (en) 2001-02-23 2004-12-13 Merck & Co, Inc. N-substituted nonaryl-heterocyclic nmda/nr2b antagonists
JP2005511478A (ja) 2001-04-03 2005-04-28 メルク エンド カムパニー インコーポレーテッド N−置換非アリール複素環アミジル系nmda/nr2b拮抗薬
JP5258561B2 (ja) 2005-07-15 2013-08-07 アルバニー モレキュラー リサーチ, インコーポレイテッド アリール置換およびヘテロアリール置換テトラヒドロベンズアゼピンならびにノルエピネフリン、ドーパミンおよびセロトニンの再取り込みを遮断するためのその使用
GB0517292D0 (en) 2005-08-24 2005-10-05 Univ Dundee Cell migration modulating compounds
WO2021218863A1 (zh) * 2020-04-26 2021-11-04 江苏恩华药业股份有限公司 1,5-二氢-2,4-苯二氮䓬-3-酮衍生物及其应用
CN116444484B (zh) * 2021-10-25 2025-07-15 江苏恩华药业股份有限公司 1,5-二氢-2,4-苯二氮䓬-3-酮衍生物的盐及应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8005133A (nl) * 1980-09-12 1982-04-01 Duphar Int Res Fenylpiperazinederivaten met antiagressieve werking.
DE3701344A1 (de) * 1986-01-21 1987-07-23 Boehringer Ingelheim Kg Neue thieno-1,4-diazepine
DE3702755A1 (de) * 1987-01-30 1988-08-11 Hoechst Ag 3,5-di-tert.-butyl-4-hydroxybenzoesaeureamid, verschiedene von dessen derivaten, verfahren zur herstellung dieser verbindungen, die sie enthaltenden arzneimittel und ihre verwendung
JPH04211071A (ja) * 1990-03-05 1992-08-03 Hokuriku Seiyaku Co Ltd 多環式化合物
WO1992007568A1 (en) * 1990-11-01 1992-05-14 Smithkline Beecham Corporation η-TURN PEPTIDOMIMETICS AS FIBRINOGEN ANTAGONISTS
EP0495750A3 (en) * 1991-01-14 1992-09-16 Ciba-Geigy Ag Heterocyclic hydroxylamine
US5693636A (en) * 1991-06-28 1997-12-02 Smithkline Beecham Corporation Bicyclic fibrinogen antagonists
GB9200293D0 (en) * 1992-01-08 1992-02-26 Wyeth John & Brother Ltd Piperazine derivatives

Also Published As

Publication number Publication date
CN1215054A (zh) 1999-04-28
MXPA94000047A (es) 2003-05-05
KR950704271A (ko) 1995-11-17
NZ314922A (en) 1998-11-25
CA2152631A1 (en) 1994-07-07
SG63579A1 (en) 1999-03-30
WO1994014776A3 (en) 1994-09-01
CN1041921C (zh) 1999-02-03
EP0674623A1 (en) 1995-10-04
CN1094718A (zh) 1994-11-09
ES2197160T3 (es) 2004-01-01
KR100318572B1 (ko) 2002-04-22
AU689762B2 (en) 1998-04-09
NZ259802A (en) 1997-10-24
SG90035A1 (en) 2002-07-23
DE69332860T2 (de) 2004-03-11
JPH08505145A (ja) 1996-06-04
WO1994014776A2 (en) 1994-07-07
EP0674623B1 (en) 2003-04-09
AU5873694A (en) 1994-07-19
DE69332860D1 (de) 2003-05-15
ATE236882T1 (de) 2003-04-15

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