UA87884C2 - Безводна кристалічна калієва сіль інгібітора віл-інтегрази - Google Patents

Безводна кристалічна калієва сіль інгібітора віл-інтегрази Download PDF

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Publication number
UA87884C2
UA87884C2 UAA200707372A UAA200707372A UA87884C2 UA 87884 C2 UA87884 C2 UA 87884C2 UA A200707372 A UAA200707372 A UA A200707372A UA A200707372 A UAA200707372 A UA A200707372A UA 87884 C2 UA87884 C2 UA 87884C2
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UA
Ukraine
Prior art keywords
compound
potassium salt
aids
hiv
solution
Prior art date
Application number
UAA200707372A
Other languages
English (en)
Russian (ru)
Ukrainian (uk)
Inventor
Кевин М. Белик
Генри Дж. Моррисон
Филип Джоунс
Винченцо Сумма
Original Assignee
Мерк Энд Ко., Инк.
Иституто Ди Ричерке Ди Биолоджиа Молеколаре П.Анджелетти С.П.А.
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36171569&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=UA87884(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Мерк Энд Ко., Инк., Иституто Ди Ричерке Ди Биолоджиа Молеколаре П.Анджелетти С.П.А. filed Critical Мерк Энд Ко., Инк.
Publication of UA87884C2 publication Critical patent/UA87884C2/uk

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/46Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/52Two oxygen atoms
    • C07D239/54Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
    • C07D239/545Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/557Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms, e.g. orotic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/42Oxazoles
    • A61K31/422Oxazoles not condensed and containing further heterocyclic rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic 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
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/513Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • A61P31/18Antivirals for RNA viruses for HIV
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D313/00Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
    • C07D313/02Seven-membered rings
    • C07D313/06Seven-membered rings condensed with carbocyclic rings or ring systems
    • C07D313/10Seven-membered rings condensed with carbocyclic rings or ring systems condensed with two six-membered rings
    • C07D313/12[b,e]-condensed
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D413/00Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/12Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Virology (AREA)
  • Communicable Diseases (AREA)
  • Oncology (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • AIDS & HIV (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Molecular Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
UAA200707372A 2004-12-03 2005-02-12 Безводна кристалічна калієва сіль інгібітора віл-інтегрази UA87884C2 (uk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63313204P 2004-12-03 2004-12-03

Publications (1)

Publication Number Publication Date
UA87884C2 true UA87884C2 (uk) 2009-08-25

Family

ID=36171569

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA200707372A UA87884C2 (uk) 2004-12-03 2005-02-12 Безводна кристалічна калієва сіль інгібітора віл-інтегрази

Country Status (35)

Country Link
US (2) US7754731B2 (enExample)
EP (2) EP1819700B1 (enExample)
JP (1) JP4705956B2 (enExample)
KR (2) KR20130122031A (enExample)
CN (1) CN101068793B (enExample)
AR (2) AR052034A1 (enExample)
AT (2) ATE518844T1 (enExample)
AU (1) AU2005311671B8 (enExample)
BR (1) BRPI0518760A8 (enExample)
CA (1) CA2588398C (enExample)
CR (1) CR9146A (enExample)
CY (1) CY1112859T1 (enExample)
DK (1) DK1819700T3 (enExample)
EA (1) EA012418B1 (enExample)
ES (2) ES2375788T3 (enExample)
GE (1) GEP20105086B (enExample)
HR (1) HRP20120066T1 (enExample)
IL (1) IL183614A (enExample)
MA (1) MA29120B1 (enExample)
ME (1) ME01985B (enExample)
MX (1) MX2007006639A (enExample)
MY (1) MY144320A (enExample)
NI (1) NI200700138A (enExample)
NO (1) NO338784B1 (enExample)
NZ (1) NZ555376A (enExample)
PE (1) PE20061148A1 (enExample)
PL (1) PL1819700T3 (enExample)
PT (1) PT1819700E (enExample)
RS (1) RS52197B (enExample)
SI (1) SI1819700T1 (enExample)
TN (1) TNSN07215A1 (enExample)
TW (1) TWI344463B (enExample)
UA (1) UA87884C2 (enExample)
WO (2) WO2006060730A2 (enExample)
ZA (1) ZA200704130B (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272827A1 (en) 2004-03-11 2011-01-12 4Sc Ag Sulphonylpyrroles as hdac inhibitors
WO2006060711A2 (en) * 2004-12-03 2006-06-08 Merck & Co., Inc. Pharmaceutical formulation of carboxamide hiv integrase inhibitors containing a release rate controlling composition
EP1819323B2 (en) * 2004-12-03 2023-03-22 Merck Sharp & Dohme Corp. Pharmaceutical composition containing an anti-nucleating agent
KR20070085702A (ko) * 2004-12-03 2007-08-27 머크 앤드 캄파니 인코포레이티드 Ugt1a1에 의해 대사된 약물의 약력학을 개선시키기위한 아타자나비르의 용도
EP1993513A4 (en) * 2006-03-14 2012-06-27 Merck Sharp & Dohme METHOD AND DEVICE FOR PREPARING CRYSTALLINE ORGANIC MICROPARTICLE COMPOSITIONS USING MICROMATES AND CRYSTALLIZING MICROSAMEN AND THEIR USE
JP2009543865A (ja) 2006-07-19 2009-12-10 ユニバーシティ オブ ジョージア リサーチ ファウンデーション, インコーポレーテッド ピリジノンジケト酸:併用療法におけるhiv複製の阻害剤
US7687509B2 (en) 2007-07-09 2010-03-30 Concert Pharmaceuticals Inc. Pyrimidinecarboxamide derivatives
CN103254138A (zh) * 2008-01-08 2013-08-21 默沙东公司 用于制备n-取代的羟基嘧啶酮羧酰胺类化合物的方法
ES2549387T3 (es) 2009-06-02 2015-10-27 Hetero Research Foundation Procedimiento de preparación de raltegravir potásico amorfo
WO2011024192A2 (en) 2009-07-27 2011-03-03 Matrix Laboratories Ltd Novel polymorphs of raltegravir
EP3970702A1 (en) 2009-10-26 2022-03-23 Merck Sharp & Dohme Corp. Solid pharmaceutical compositions containing an integrase inhibitor
DE102009056636A1 (de) 2009-12-02 2011-06-09 Ratiopharm Gmbh Raltegravir-Polymorphe
AU2010328325B2 (en) 2009-12-07 2015-02-05 University Of Georgia Research Foundation, Inc. Pyridinone hydroxycyclopentyl carboxamides: HIV integrase inhibitors with therapeutic applications
ES2362598B1 (es) * 2009-12-17 2012-06-13 Consejo Superior De Investigaciones Científicas (Csic) Uso del raltegravir y derivados para la elaboración de medicamentos destinados al tratamiento de infecciones por herpesvirus.
JP5889275B2 (ja) * 2010-04-01 2016-03-22 テバ ファーマシューティカル インダストリーズ リミティド ラルテグラビル塩およびその結晶形
CA2999435A1 (en) * 2010-04-01 2011-10-06 Critical Outcome Technologies Inc. Compounds and method for treatment of hiv
EP2575465A4 (en) * 2010-05-25 2013-11-20 Hetero Research Foundation Raltegravir SALTS
WO2012009446A1 (en) 2010-07-16 2012-01-19 Concert Pharmaceuticals Inc. Novel pyrimidinecarboxamide derivatives
CN101914067B (zh) * 2010-08-26 2012-07-11 陈岱岭 N-甲基嘧啶酮的合成方法
JO3209B1 (ar) * 2010-11-05 2018-03-08 H Lundbeck As طريقة لتصنيع نالتريكسون
WO2012103105A1 (en) 2011-01-24 2012-08-02 Assia Chemical Industries Ltd. Processes for preparing raltegravir and intermediates in the processes
WO2012106534A2 (en) * 2011-02-02 2012-08-09 The Regents Of The University Of California Hiv integrase inhibitors
US9163009B2 (en) 2011-04-06 2015-10-20 Lupin Limited Salts of raltegravir
CA2833006A1 (en) * 2011-04-22 2012-10-26 Merck Sharp & Dohme Corp. Taste-masked formulations of raltegravir
US9968607B2 (en) 2011-04-25 2018-05-15 Hetero Research Foundation Pharmaceutical compositions of raltegravir, methods of preparation and methods of use therof
EP2522665A1 (en) 2011-05-03 2012-11-14 Sandoz Ag Crystalline sodium salt of an HIV integrase inhibitor
EP2529741B1 (en) 2011-06-01 2014-02-12 Ratiopharm GmbH Composition and Tablet Comprising Raltegravir
WO2013037731A1 (de) 2011-09-16 2013-03-21 Hexal Ag Neue polymorphe form von raltegravir-kalium
CN103130788B (zh) * 2011-11-24 2015-09-02 南开大学 嘧啶酰胺类化合物及其制备方法、抗hiv活性和抗tmv活性
CN103130787B (zh) * 2011-11-24 2015-06-10 南开大学 嘧啶酮酰胺类化合物及其制备方法、抗hiv活性和抗tmv活性
ES2825029T3 (es) 2011-12-26 2021-05-14 Emcure Pharmaceuticals Ltd Síntesis de raltegravir
KR20140114406A (ko) 2012-01-25 2014-09-26 루핀 리미티드 안정한 비정질 랄테그라빌 포타슘 프리믹스 및 이의 제조 방법
WO2014064711A2 (en) * 2012-10-22 2014-05-01 Hetero Research Foundation Methods of administering raltegravir and raltegravir compositions
EP2818470A1 (en) 2013-06-27 2014-12-31 Basf Se Cocrystals of raltegravir potassium
WO2015009927A1 (en) * 2013-07-17 2015-01-22 Ratiopharm Gmbh Dolutegravir salts
WO2015114608A1 (en) 2014-02-03 2015-08-06 Mylan Laboratories Ltd Processes for the preparation of intermediates of raltegravir
US10391178B2 (en) * 2014-03-21 2019-08-27 Mylan Laboratories Limited Premix of crystalline raltegravir potassium salt and a process for the preparation thereof
US10257840B2 (en) 2014-10-22 2019-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Operation of wireless local area network in the presence of periodic interference
WO2016075605A1 (en) 2014-11-10 2016-05-19 Aurobindo Pharma Ltd An improved process for the preparation of raltegravir
EP3472134B1 (en) 2016-06-21 2021-10-20 Pharmathen S.A. Process for preparing compounds useful as intermediates for the preparation of raltegravir
EP3512854A1 (en) 2016-09-15 2019-07-24 Lupin Limited Process for the preparation of pure and stable crystalline raltegravir potassium form 3
CN108610338A (zh) * 2016-12-12 2018-10-02 天津国际生物医药联合研究院 一种嘧啶酮酰胺类化合物的制备方法
EP3710445B1 (en) 2017-11-14 2022-03-16 Cambrex Profarmaco Milano S.r.l. Process for the preparation of raltegravir
WO2019236395A1 (en) * 2018-06-06 2019-12-12 Merck Sharp & Dohme Corp. Formulations of raltegravir
GB201907305D0 (en) * 2019-05-23 2019-07-10 Douglas Pharmaceuticals Ltd Treatment of conditions
US12465565B2 (en) 2020-01-23 2025-11-11 Lupin Limited Pharmaceutical compositions of raltegravir

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH624391A5 (enExample) * 1976-12-14 1981-07-31 Ciba Geigy Ag
US5717097A (en) * 1991-11-08 1998-02-10 Merck & Co., Inc. HIV protease inhibitors useful for the treatment of AIDS
US5413999A (en) * 1991-11-08 1995-05-09 Merck & Co., Inc. HIV protease inhibitors useful for the treatment of AIDS
IL121789A (en) * 1996-10-03 2001-06-14 Rohm & Haas A medicinal product for inhibiting mammalian cell tumors
US6620841B1 (en) * 1998-12-25 2003-09-16 Shionogi & Co., Ltd. Aromatic heterocycle compounds having HIV integrase inhibiting activities
IT1318424B1 (it) * 2000-03-24 2003-08-25 Unihart Corp Composti con attivita' anti-hiv.
WO2002030931A2 (en) 2000-10-12 2002-04-18 Merck & Co., Inc. Aza- and polyaza-naphthalenyl carboxamides useful as hiv integrase inhibitors
GB0028483D0 (en) * 2000-11-22 2001-01-10 Hoffmann La Roche Hydroxyethylamine HIV protease inhibitors
CA2463976C (en) * 2001-10-26 2007-02-13 Benedetta Crescenzi N-substituted hydroxypyrimidinone carboxamide inhibitors of hiv integrase
US7354932B2 (en) * 2001-12-21 2008-04-08 Anormed, Inc. Chemokine receptor binding heterocyclic compounds with enhanced efficacy
IL161784A0 (en) * 2001-12-21 2005-11-20 Anormed Inc Chemokine receptor binding heterocyclic compounds with enhanced efficacy
AR042095A1 (es) * 2002-11-20 2005-06-08 Japan Tobacco Inc Compuesto 4-oxoquinolina y aplicacion del mismo como inhibidor de integrasa de vih
KR20050087865A (ko) * 2002-12-27 2005-08-31 이스티투토 디 리세르쉐 디 비올로지아 몰레콜라레 피. 안젤레티에스.피.에이. HIV 인테그라제 억제제로서 유용한테트라하이드로-4H-피리도[1,2-a]피리미딘 및 관련화합물
TW200423930A (en) * 2003-02-18 2004-11-16 Hoffmann La Roche Non-nucleoside reverse transcriptase inhibitors
EP1819323B2 (en) 2004-12-03 2023-03-22 Merck Sharp & Dohme Corp. Pharmaceutical composition containing an anti-nucleating agent
KR20070085702A (ko) 2004-12-03 2007-08-27 머크 앤드 캄파니 인코포레이티드 Ugt1a1에 의해 대사된 약물의 약력학을 개선시키기위한 아타자나비르의 용도
WO2006060711A2 (en) * 2004-12-03 2006-06-08 Merck & Co., Inc. Pharmaceutical formulation of carboxamide hiv integrase inhibitors containing a release rate controlling composition

Also Published As

Publication number Publication date
NO338784B1 (no) 2016-10-17
MX2007006639A (es) 2007-06-19
US20060122205A1 (en) 2006-06-08
TWI344463B (en) 2011-07-01
MA29120B1 (fr) 2007-12-03
AU2005311671B2 (en) 2011-01-27
TNSN07215A1 (en) 2008-11-21
WO2006060730A3 (en) 2006-08-17
WO2006060730A2 (en) 2006-06-08
DK1819700T3 (da) 2012-03-19
TW200631944A (en) 2006-09-16
WO2006060712A2 (en) 2006-06-08
RS52197B (sr) 2012-10-31
JP4705956B2 (ja) 2011-06-22
CA2588398C (en) 2011-07-12
BRPI0518760A8 (pt) 2017-12-12
HRP20120066T1 (hr) 2012-03-31
HK1115011A1 (en) 2008-11-14
AR052034A1 (es) 2007-02-28
IL183614A (en) 2012-03-29
WO2006060712A9 (en) 2006-07-27
EA200701204A1 (ru) 2007-12-28
ES2370136T3 (es) 2011-12-13
NO20073404L (no) 2007-07-02
US8357798B2 (en) 2013-01-22
AU2005311671A1 (en) 2006-06-08
CR9146A (es) 2007-10-04
KR101350420B1 (ko) 2014-02-17
PL1819700T3 (pl) 2012-04-30
IL183614A0 (en) 2007-09-20
EP1819683B1 (en) 2011-08-03
US20100249410A1 (en) 2010-09-30
EP1819683A2 (en) 2007-08-22
ME01985B (me) 2012-10-31
ATE534645T1 (de) 2011-12-15
JP2008521933A (ja) 2008-06-26
WO2006060712A3 (en) 2006-09-21
KR20130122031A (ko) 2013-11-06
EP1819700A2 (en) 2007-08-22
MY144320A (en) 2011-08-29
CN101068793A (zh) 2007-11-07
GEP20105086B (en) 2010-10-11
CN101068793B (zh) 2011-05-25
PE20061148A1 (es) 2006-11-09
ES2375788T3 (es) 2012-03-06
EA012418B1 (ru) 2009-10-30
ATE518844T1 (de) 2011-08-15
CA2588398A1 (en) 2006-06-08
US7754731B2 (en) 2010-07-13
SI1819700T1 (sl) 2012-07-31
BRPI0518760A2 (pt) 2008-12-09
AU2005311671B8 (en) 2011-02-10
NZ555376A (en) 2009-11-27
AR101429A2 (es) 2016-12-21
KR20070089990A (ko) 2007-09-04
EP1819700B1 (en) 2011-11-23
NI200700138A (es) 2008-05-13
PT1819700E (pt) 2012-02-01
ZA200704130B (en) 2008-08-27
CY1112859T1 (el) 2016-04-13

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