GT200200272A - Formas de sal e-2-metoxi-n-(3-{4-[3-metil-4-(6-metilpiridin-3-iloxi) fenilamino] quinazolin-6-il} alil)acetamidayprocedimiento para la produccion - Google Patents

Formas de sal e-2-metoxi-n-(3-{4-[3-metil-4-(6-metilpiridin-3-iloxi) fenilamino] quinazolin-6-il} alil)acetamidayprocedimiento para la produccion

Info

Publication number
GT200200272A
GT200200272A GT200200272A GT200200272A GT200200272A GT 200200272 A GT200200272 A GT 200200272A GT 200200272 A GT200200272 A GT 200200272A GT 200200272 A GT200200272 A GT 200200272A GT 200200272 A GT200200272 A GT 200200272A
Authority
GT
Guatemala
Prior art keywords
salt
methylpiridin
iloxi
metoxi
alil
Prior art date
Application number
GT200200272A
Other languages
English (en)
Inventor
Daniel Tyler Richter
John Charles Kath
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 filed Critical
Publication of GT200200272A publication Critical patent/GT200200272A/es

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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
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • 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
    • A61P1/18—Drugs for disorders of the alimentary tract or the digestive system for pancreatic disorders, e.g. pancreatic enzymes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/08—Drugs for disorders of the urinary system of the prostate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/10—Drugs for disorders of the urinary system of the bladder
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00—Drugs for disorders of the urinary system
    • A61P13/12—Drugs for disorders of the urinary system of the kidneys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00—Drugs for genital or sexual disorders; Contraceptives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00—Drugs for dermatological disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P19/00—Drugs for skeletal disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P5/00—Drugs for disorders of the endocrine system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Urology & Nephrology (AREA)
  • Endocrinology (AREA)
  • Hematology (AREA)
  • Diabetes (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Oncology (AREA)
  • Dermatology (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Reproductive Health (AREA)
  • Epidemiology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

LA PRESENTE INVENCION SE REFIERE A UNA SAL FARMACEUTICA DE FORMULA GENERAL I QUE ES DE UTILIDAD EN EL TRATAMIENTO DE ENFERMEDADES HIPERPROLIFERATIVAS TALES COMO LOS CANCERES EN SERES HUMANOS. MAS PARTICULARMENTE, LA INVENCION SE REFIERE A LAS SALES SESQUISUCCINATO Y DIMALONATO Y A COMPOSICIONES QUE LAS CONTIENEN.
GT200200272A 2001-12-12 2002-12-12 Formas de sal e-2-metoxi-n-(3-{4-[3-metil-4-(6-metilpiridin-3-iloxi) fenilamino] quinazolin-6-il} alil)acetamidayprocedimiento para la produccion GT200200272A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34088501P 2001-12-12 2001-12-12

Publications (1)

Publication Number Publication Date
GT200200272A true GT200200272A (es) 2003-12-12

Family

ID=23335337

Family Applications (1)

Application Number Title Priority Date Filing Date
GT200200272A GT200200272A (es) 2001-12-12 2002-12-12 Formas de sal e-2-metoxi-n-(3-{4-[3-metil-4-(6-metilpiridin-3-iloxi) fenilamino] quinazolin-6-il} alil)acetamidayprocedimiento para la produccion

Country Status (34)

Country Link
US (1) US6844349B2 (es)
EP (1) EP1456199A1 (es)
JP (1) JP4202926B2 (es)
KR (1) KR20040065259A (es)
CN (1) CN1608062A (es)
AP (1) AP2004003059A0 (es)
AR (1) AR037772A1 (es)
AU (1) AU2002366581A1 (es)
BR (1) BR0214876A (es)
CA (1) CA2469889A1 (es)
DO (1) DOP2002000544A (es)
EA (1) EA007412B1 (es)
EC (1) ECSP045148A (es)
GE (1) GEP20063872B (es)
GT (1) GT200200272A (es)
HR (1) HRP20040530A2 (es)
HU (1) HUP0402662A2 (es)
IL (1) IL161915A0 (es)
IS (1) IS7227A (es)
MA (1) MA27095A1 (es)
MX (1) MXPA04005678A (es)
NO (1) NO20042925L (es)
NZ (1) NZ532436A (es)
OA (1) OA12735A (es)
PA (1) PA8561401A1 (es)
PE (1) PE20030716A1 (es)
PL (1) PL370858A1 (es)
RS (1) RS46404A (es)
TN (1) TNSN04112A1 (es)
TW (1) TW200301103A (es)
UA (1) UA75482C2 (es)
UY (1) UY27572A1 (es)
WO (1) WO2003050108A1 (es)
ZA (1) ZA200402995B (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0214499A (pt) * 2001-12-12 2005-05-10 Pfizer Prod Inc Derivados de quinazolina para o tratamento do crescimento anormal das células
EP2280003B1 (en) 2002-07-15 2014-04-02 Symphony Evolution, Inc. Process for preparing receptor-type kinase modulators
PL377686A1 (pl) * 2002-12-18 2006-02-06 Pfizer Products Inc. Pochodne 4-anilinochinazoliny do leczenia anormalnego wzrostu komórek
MXPA05006582A (es) * 2002-12-19 2005-08-16 Pfizer Prod Inc Complejos de e-2-metoxi -n-(3 -{4-[3 -metil-4 -(6-metilpiridin -3- iloxi) fenilamino] quinazolin -6-il} alil) acetamida, su procedimiento de produccion y uso.
EA014685B1 (ru) 2003-04-25 2010-12-30 Джилид Сайэнс, Инк. Фосфонатсодержащие антивирусные соединения (варианты) и фармацевтическая композиция на их основе
KR20080014144A (ko) * 2003-08-18 2008-02-13 화이자 프로덕츠 인크. ｅｒｂＢ２ 항암제에 대한 투약 스케쥴
SI2392564T1 (sl) 2003-09-26 2014-02-28 Exelixis, Inc. c-Met modulatorji in postopki uporabe
UA81365C2 (en) * 2003-10-27 2007-12-25 Merck & Co Inc Ccr-2 antagonist salt, method for modulation of chemokine receptor activity, method for treating (variants) and pharmaceutical composition
US20050192298A1 (en) * 2004-02-27 2005-09-01 Pfizer Inc Crystal forms of E-2-Methoxy-N-(3-{4-[3-methyl-4-(6-methyl-pyridin-3-yloxy)-phenylamino]-quinazolin-6-yl}-allyl)-acetamide
WO2005121124A1 (en) * 2004-06-07 2005-12-22 Pfizer Products Inc. Complexes of e-2-methoxy-n-(3-{4-[3-methyl-pyridin-3-yloxy)-phenylamino]-quinazolin-6-yl}-allyl)-acetamide and methods of preparing same
ATE505196T1 (de) 2004-07-27 2011-04-15 Gilead Sciences Inc Nukleosid phosphonat konjugate als anti hiv mittel
WO2006129168A2 (en) * 2005-06-03 2006-12-07 Pfizer Products Inc. Bicyclic derivatives for the treatment of abnormal cell growth
WO2006129163A1 (en) * 2005-06-03 2006-12-07 Pfizer Products Inc. Combinations of erbb2 inhibitors with other therapeutic agents in the treatment of cancer
AU2007254309B2 (en) * 2006-05-16 2012-05-03 Gilead Sciences, Inc. Method and compositions for treating hematological malignancies
US20100004238A1 (en) 2006-12-12 2010-01-07 Takeda Pharmaceutical Company Limited Fused heterocyclic compound
CA2673435C (en) * 2006-12-21 2012-10-09 Pfizer Products Inc. Succinate salt of 2-((4-(1-methyl-4-(pyridin-4-yl)-1h-pyrazol-3-yl) phenoxy)methyl)quinoline
AU2008236995A1 (en) * 2007-04-10 2008-10-16 Myrexis, Inc. Dosages and methods for the treatment of cancer
EP2253633A4 (en) 2008-03-12 2012-02-29 Takeda Pharmaceutical CONDENSED HETEROCYCLIC COMPOUND
US20100093667A1 (en) 2008-07-08 2010-04-15 Gilead Sciences, Inc. Salts of hiv inhibitor compounds
CA2995880C (en) 2009-01-16 2021-01-05 Exelixis, Inc. Processes for preparing n-(4-{[6,7-bis(methyloxy)quinolin-4-yl]oxy}phenyl)-n'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide
UA108618C2 (uk) 2009-08-07 2015-05-25 Застосування c-met-модуляторів в комбінації з темозоломідом та/або променевою терапією для лікування раку
US9265739B2 (en) 2010-06-02 2016-02-23 The Trustees Of The University Of Pennsylvania Methods and use of compounds that bind to HER2/neu receptor complex
WO2011153049A1 (en) 2010-06-02 2011-12-08 The Trustees Of The University Of Pennsylvania Methods and use of compounds that bind to her2/neu receptor complex
US10010439B2 (en) 2010-06-13 2018-07-03 Synerz Medical, Inc. Intragastric device for treating obesity
US10420665B2 (en) 2010-06-13 2019-09-24 W. L. Gore & Associates, Inc. Intragastric device for treating obesity
US8628554B2 (en) 2010-06-13 2014-01-14 Virender K. Sharma Intragastric device for treating obesity
US9526648B2 (en) 2010-06-13 2016-12-27 Synerz Medical, Inc. Intragastric device for treating obesity
US9468681B2 (en) 2013-03-01 2016-10-18 California Institute Of Technology Targeted nanoparticles
CN107922609B (zh) 2015-07-01 2020-04-24 加州理工学院 基于阳离子粘酸聚合物的递送***
US10779980B2 (en) 2016-04-27 2020-09-22 Synerz Medical, Inc. Intragastric device for treating obesity
SI3661937T1 (sl) 2017-08-01 2021-11-30 Gilead Sciences, Inc. Kristalinične oblike etil((S)-((((2R,5R)-5-(6-amino-9H-purin-9-IL)-4- fluoro-2,5-dihidrofuran-2-IL)oksi)metil)(fenoksi)fosforil)-L-alaninata (GS-9131) za zdravljenje virusnih okužb
JP7483193B2 (ja) 2018-06-13 2024-05-15 カリフォルニア・インスティテュート・オブ・テクノロジー 血脳バリアを越えるためのナノ粒子とそれを用いた治療法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6884418B1 (en) 1989-08-04 2005-04-26 Berlex Laboratories, Inc. Use of ligand-mimicking agents and anti-neoplastic drugs in cancer therapy
GB9510757D0 (en) * 1994-09-19 1995-07-19 Wellcome Found Therapeuticaly active compounds
GB9603095D0 (en) * 1996-02-14 1996-04-10 Zeneca Ltd Quinazoline derivatives
ID19609A (id) * 1996-07-13 1998-07-23 Glaxo Group Ltd Senyawa-senyawa heterosiklik
DZ3407A1 (es) * 2000-06-22 2001-12-27 Pfizer Prod Inc

Also Published As

Publication number Publication date
NO20042925L (no) 2004-09-07
ZA200402995B (en) 2005-04-20
MXPA04005678A (es) 2004-12-06
IL161915A0 (en) 2005-11-20
AP2004003059A0 (en) 2004-06-30
EA007412B1 (ru) 2006-10-27
OA12735A (en) 2006-06-29
ECSP045148A (es) 2004-07-23
GEP20063872B (en) 2006-07-10
NZ532436A (en) 2006-01-27
RS46404A (en) 2006-10-27
PA8561401A1 (es) 2005-02-04
HRP20040530A2 (en) 2004-10-31
PE20030716A1 (es) 2003-08-29
AU2002366581A1 (en) 2003-06-23
US20030158217A1 (en) 2003-08-21
WO2003050108A8 (en) 2003-12-18
PL370858A1 (en) 2005-05-30
DOP2002000544A (es) 2003-06-16
JP4202926B2 (ja) 2008-12-24
US6844349B2 (en) 2005-01-18
UA75482C2 (en) 2006-04-17
EP1456199A1 (en) 2004-09-15
HUP0402662A2 (hu) 2005-05-30
TW200301103A (en) 2003-07-01
CN1608062A (zh) 2005-04-20
IS7227A (is) 2004-04-19
EA200400674A1 (ru) 2004-10-28
MA27095A1 (fr) 2004-12-20
KR20040065259A (ko) 2004-07-21
BR0214876A (pt) 2004-12-28
CA2469889A1 (en) 2003-06-19
JP2005511744A (ja) 2005-04-28
AR037772A1 (es) 2004-12-01
WO2003050108A1 (en) 2003-06-19
UY27572A1 (es) 2003-07-31
TNSN04112A1 (fr) 2006-06-01

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