IL133792A0 - Preparation of oxymorphone, oxycodone and derivatives - Google Patents

Preparation of oxymorphone, oxycodone and derivatives

Info

Publication number
IL133792A0
IL133792A0 IL13379298A IL13379298A IL133792A0 IL 133792 A0 IL133792 A0 IL 133792A0 IL 13379298 A IL13379298 A IL 13379298A IL 13379298 A IL13379298 A IL 13379298A IL 133792 A0 IL133792 A0 IL 133792A0
Authority
IL
Israel
Prior art keywords
synthesis
oxymorphone
oxycodone
derivatives
preparation
Prior art date
Application number
IL13379298A
Other languages
English (en)
Original Assignee
Penick 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25401603&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL133792(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Penick Corp filed Critical Penick Corp
Publication of IL133792A0 publication Critical patent/IL133792A0/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D489/00Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:
    • C07D489/06Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: with a hetero atom directly attached in position 14
    • C07D489/08Oxygen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D489/00Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:
    • C07D489/02Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/04Centrally acting analgesics, e.g. opioids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pain & Pain Management (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
IL13379298A 1997-07-11 1998-07-10 Preparation of oxymorphone, oxycodone and derivatives IL133792A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/893,464 US5869669A (en) 1996-07-26 1997-07-11 Preparation of 14-hydroxynormorphinones from normorphinone dienol acylates
PCT/US1998/013592 WO1999002529A1 (en) 1997-07-11 1998-07-10 Preparation of oxymorphone, oxycodone and derivatives

Publications (1)

Publication Number Publication Date
IL133792A0 true IL133792A0 (en) 2001-04-30

Family

ID=25401603

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13379298A IL133792A0 (en) 1997-07-11 1998-07-10 Preparation of oxymorphone, oxycodone and derivatives

Country Status (19)

Country Link
US (7) US5869669A (enEXAMPLES)
EP (1) EP1000065B1 (enEXAMPLES)
JP (1) JP2001518444A (enEXAMPLES)
KR (1) KR100363486B1 (enEXAMPLES)
CN (1) CN1152880C (enEXAMPLES)
AT (1) ATE291023T1 (enEXAMPLES)
AU (1) AU740822B2 (enEXAMPLES)
CA (1) CA2296035C (enEXAMPLES)
DE (1) DE69829379D1 (enEXAMPLES)
HU (1) HUP0003918A3 (enEXAMPLES)
IL (1) IL133792A0 (enEXAMPLES)
IN (1) IN1998KO01500A (enEXAMPLES)
NO (1) NO20000111L (enEXAMPLES)
RU (1) RU2183636C2 (enEXAMPLES)
SK (1) SK102000A3 (enEXAMPLES)
TR (1) TR200000033T2 (enEXAMPLES)
TW (1) TW505648B (enEXAMPLES)
WO (1) WO1999002529A1 (enEXAMPLES)
ZA (1) ZA986144B (enEXAMPLES)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5912347A (en) * 1996-09-30 1999-06-15 Mallinckrodt Inc. Process for preparing a morphinan derivative
AU4823900A (en) * 1999-05-05 2000-11-17 Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The Direct c-14 oxidation of opioids
US6177567B1 (en) * 1999-10-15 2001-01-23 Boehringer Ingelheim Chemicals, Inc. Method for preparing oxycodone
US7435817B2 (en) * 2001-08-23 2008-10-14 N.V. Organon C-14 oxidation of morphine derivatives
JP3961796B2 (ja) * 2001-08-27 2007-08-22 ソニー株式会社 情報提供システム、情報処理装置および方法、情報提供装置および方法、記録媒体、並びにプログラム
DE10161963A1 (de) * 2001-12-17 2003-07-03 Johannes Schuetz 6-Aminomorphinanderivate, Herstellungsverfahren dafür und deren Verwendung
US20040001889A1 (en) 2002-06-25 2004-01-01 Guohua Chen Short duration depot formulations
US20040058946A1 (en) * 2002-07-05 2004-03-25 Buchwald Stephen L. Abuse-resistant prodrugs of oxycodone and other pharmaceuticals
RU2236412C2 (ru) * 2002-07-18 2004-09-20 Власов Михаил Иванович Способ получения производных морфинона, способ получения производных 14-гидроксиморфинона, и способ получения производных оксиморфона
RU2215741C1 (ru) * 2002-11-05 2003-11-10 Открытое Акционерное Общество "Международная Научно-Технологическая Корпорация" Сложные эфиры n-замещенных 14-гидроксиморфинанов и способ их получения
RU2215742C1 (ru) * 2002-11-05 2003-11-10 Открытое Акционерное Общество "Международная Научно-Технологическая Корпорация" Способ получения сложных эфиров n-замещенных 14-гидроксиморфинанов
AU2003290630B2 (en) * 2002-11-08 2009-01-29 SpecGx LLC Process for the preparation of quaternary N-alkyl morphinan alkaloid salts
ES2553136T3 (es) * 2002-12-13 2015-12-04 Durect Corporation Sistema de administración oral de fármacos que comprende materiales vehículos líquidos de alta viscosidad
US6864370B1 (en) 2003-06-05 2005-03-08 Zhaiwei Lin Process for manufacturing oxycodone
US6790959B1 (en) 2003-06-05 2004-09-14 Halsey Drug Company, Inc. Process for manufacturing thebaine
PT1664061T (pt) 2003-09-22 2017-06-22 Glaxosmithkline Australia Pty Ltd Processo para a síntese de compostos de morfinano e seus intermediários
US7875718B2 (en) * 2003-09-22 2011-01-25 Johnson Matthey Public Limited Company Process for the synthesis of morphinane compounds and intermediates thereof
RS51317B (sr) * 2004-02-06 2010-12-31 Euro-Celtique S.A. Postupci pravljenja 3-0 zaštićenih morfinona i 3-0 zaštićenih morfinon dienol karboksilata
TWI483944B (zh) * 2004-03-30 2015-05-11 Euro Celtique Sa 含有小於25ppm14-羥可待因酮之羥可酮鹽酸鹽組成物、醫藥劑型、延遲釋出口服劑型及醫藥上可以接受的包裝
SK286047B6 (sk) * 2004-04-13 2008-01-07 Zentiva, A. S. Spôsob prípravy derivátov 4,5alfa-epoxy-6-oxomorfínanu
US6946556B1 (en) * 2004-05-21 2005-09-20 Acura Pharmaceuticals, Inc. Preparation of opioid analgesics by a one-pot process
WO2005123743A1 (en) * 2004-06-08 2005-12-29 Mallinckrodt Inc. Extraction of alkaloids from opium
EP3326617A1 (en) 2004-06-12 2018-05-30 Collegium Pharmaceutical, Inc. Abuse-deterrent drug formulations
HUE032040T2 (en) 2004-09-17 2017-09-28 Durect Corp Saib-containing (sucrose acetate-isobutyrate) sustained-release local anesthetic composition
GB0421149D0 (en) * 2004-09-23 2004-10-27 Johnson Matthey Plc Preparation of oxycodone
GB0421687D0 (en) * 2004-09-30 2004-11-03 Johnson Matthey Plc Preparation of opiate analgesics
WO2006084389A1 (de) * 2005-02-11 2006-08-17 Cilag Ltd. Verfahren zur reinigung von noroxymorphon-verbindungen
WO2006094672A1 (en) * 2005-03-04 2006-09-14 Euro-Celtique S.A. Method of reducing alpha, beta unsaturated ketones in opioid compositions
RU2397173C2 (ru) * 2005-04-06 2010-08-20 Торей Индастриз, Инк. Кристаллические производные морфинана и способ их получения
US8071768B2 (en) * 2005-06-10 2011-12-06 Janssen Pharmaceutica, N.V. Alkylquinoline and alkylquinazoline kinase modulators
CN101198612A (zh) * 2005-06-16 2008-06-11 马林克罗特公司 通过1-卤代-蒂巴因或类似物制备14-羟基阿片类的合成路线
US20070027105A1 (en) 2005-07-26 2007-02-01 Alza Corporation Peroxide removal from drug delivery vehicle
US20070117826A1 (en) * 2005-11-23 2007-05-24 Forest Laboratories, Inc. Pharmaceutical formulations comprising ibuprofen, oxycodone, and 14-hydroxycodeinone
CA2644095A1 (en) 2006-03-02 2007-09-13 Mallinckrodt Inc. Processes for preparing morphinan-6-one products with low levels of alpha, beta-unsaturated ketone compounds
SA07280459B1 (ar) 2006-08-25 2011-07-20 بيورديو فارما إل. بي. أشكال جرعة صيدلانية للتناول عن طريق الفم مقاومة للعبث تشتمل على مسكن شبه أفيوني
JP2010504325A (ja) * 2006-09-20 2010-02-12 マリンクロット インコーポレイテッド 置換モルフィナン−6−オン、並びにその塩および中間体の調製
CA2674915C (en) * 2006-10-17 2015-06-30 Penick Corporation Process for preparing oxymorphone
AU2012216358B2 (en) * 2006-10-17 2014-11-20 Penick Corporation Process For Preparing Oxymorphone, Naltrexone and Buprenorphine
US20080125592A1 (en) * 2006-10-17 2008-05-29 Penick Corporation Process for preparing oxymorphone, naltrexone, and buprenorphine
WO2008048711A1 (en) * 2006-10-17 2008-04-24 Penick Corporation Process for preparing oxymorphone
AU2007325918B2 (en) 2006-11-03 2013-10-17 Durect Corporation Transdermal delivery systems comprising bupivacaine
US7906647B2 (en) * 2006-12-04 2011-03-15 Noramco, Inc. Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone
CN101652369A (zh) * 2006-12-04 2010-02-17 诺拉姆科有限公司 减少羟考酮碱中杂质的方法
GB0624880D0 (en) * 2006-12-14 2007-01-24 Johnson Matthey Plc Improved method for making analgesics
US9040726B2 (en) * 2007-03-06 2015-05-26 Mallinckrodt Llc Process for the preparation of quaternary N-alkyl morphinan alkaloid salts
NZ579469A (en) * 2007-03-06 2011-02-25 Mallinckrodt Inc Process for the preparation of quaternary n-alkyl morphinan alkaloid salts
US8217175B2 (en) * 2007-03-23 2012-07-10 Mallinckrodt Llc Preparation of oxymorphone from oripavine
WO2008130553A1 (en) * 2007-04-16 2008-10-30 Mallinckrodt Inc. Novel opiate reduction utilizing catalytic hydrogen transfer reaction
US20090018154A1 (en) * 2007-05-17 2009-01-15 Endo Pharmaceuticals, Inc., A Corporation Of Delaware Opioid and methods of making and using the same
EP3326621A1 (en) 2007-12-06 2018-05-30 Durect Corporation Oral pharmaceutical dosage forms
AU2008338906B2 (en) * 2007-12-17 2013-06-27 SpecGx LLC Processes for the production of (+)-'nal' morphinan compounds
NZ611651A (en) * 2007-12-17 2014-11-28 Mallinckrodt Llc Sinomenine derivatives and processes for their synthesis
US7999105B2 (en) * 2008-02-29 2011-08-16 Mallinckrodt Inc. Process for the preparation of 3-hydroxymorphinan derivatives
RU2495042C2 (ru) * 2008-04-24 2013-10-10 Янссен Фармацевтика Нв Пролекарства налмефена
US8148528B2 (en) * 2008-05-27 2012-04-03 Mallinckrodt Llc Processes and compounds for the preparation of normorphinans
WO2010028004A2 (en) 2008-09-03 2010-03-11 Mallinckrodt Inc. Substituted berbines and processes for their synthesis
NZ592006A (en) * 2008-09-30 2013-03-28 Mallinckrodt Llc Processes for the alkylation of secondary amine groups of morphinan derivatives
US20100260844A1 (en) 2008-11-03 2010-10-14 Scicinski Jan J Oral pharmaceutical dosage forms
UA102916C2 (uk) 2009-07-02 2013-08-27 Кемфарм, Інк. Композиція на основі кон'югату гідрокодону з бензойною кислотою, похідними бензойної кислоти або гетероарилкарбоновою кислотою, проліки, спосіб лікування від зловживань
US10668060B2 (en) 2009-12-10 2020-06-02 Collegium Pharmaceutical, Inc. Tamper-resistant pharmaceutical compositions of opioids and other drugs
CA2802295C (en) 2010-06-11 2016-09-20 Rhodes Technologies Transition metal-catalyzed processes for the preparation of n-allyl compounds and use thereof
AU2011263416B2 (en) 2010-06-11 2014-04-10 Rhodes Technologies Process for N-dealkylation of tertiary amines
JP5988272B2 (ja) 2010-07-02 2016-09-07 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company オキシコドンの合成及び精製プロセス
RU2448709C1 (ru) * 2011-02-01 2012-04-27 Учреждение Российской академии наук Институт проблем химико-энергетических технологий Сибирского отделения РАН (ИПХЭТ СО РАН) Способ получения налтрексона
TWI560170B (en) * 2011-12-06 2016-12-01 Lundbeck & Co As H Process for recovery of nalmefene hydrochloride
US9315514B2 (en) 2012-08-27 2016-04-19 Rhodes Technologies 1,3-dioxanomorphides and 1,3-dioxanocodides
ES2621305T3 (es) 2012-12-14 2017-07-03 Purdue Pharma Lp Morfinanos espirocíclicos y su uso
TWI513697B (zh) 2012-12-14 2015-12-21 Purdue Pharma Lp 吡啶酮並嗎啡喃類似物及其對類鴉片受體之生物活性
US8937084B2 (en) 2012-12-14 2015-01-20 Purdue Pharma L.P. Nitrogen containing morphinan derivatives and the use thereof
ES2653265T3 (es) 2012-12-28 2018-02-06 Purdue Pharma Lp Morfinanos sustituidos y el uso de éstos
EP2941430B1 (en) 2012-12-28 2017-04-26 Purdue Pharma LP 7,8-cyclicmorphinan analogs
MX2015008624A (es) 2012-12-31 2016-12-08 Rhodes Tech PROCESO PARA PREPARAR 6A, 14A-ETENOMORFINANOS 7ß SUSTITUIDOS Y 6A, 14A-ETANOMORFINANOS 7ß-SUSTITUIDOS.
US9572885B2 (en) 2013-03-15 2017-02-21 Durect Corporation Compositions with a rheological modifier to reduce dissolution variability
EP2829541A1 (en) 2013-07-26 2015-01-28 Siegfried AG Novel synthesis of noroxymorphone from morphine
CA2919602C (en) 2013-08-02 2018-03-13 Johnson Matthey Public Limited Company Process for the preparation of oxymorphone
US9862726B2 (en) 2013-12-26 2018-01-09 Purdue Pharma L.P. Opioid receptor modulating oxabicyclo[2.2.2]octane morphinans
WO2015097548A1 (en) 2013-12-26 2015-07-02 Purdue Pharma L.P. 7-beta-alkyl analogs of orvinols
EP3087073B1 (en) 2013-12-26 2018-07-04 Purdue Pharma LP 10-substituted morphinan hydantoins
WO2015097546A1 (en) 2013-12-26 2015-07-02 Purdue Pharma L.P. Propellane-based compounds and their use as opioid receptor modulators
EP3089978B1 (en) 2013-12-30 2018-08-29 Purdue Pharma L.P. Pyridone-sulfone morphinan analogs as opioid receptor ligands
JP6400848B2 (ja) 2014-11-25 2018-10-03 ケムファーム・インコーポレーテッド オキシコドンの安息香酸、安息香酸誘導体及びヘテロアリールカルボン酸結合体
ES2701855T3 (es) 2016-05-31 2019-02-26 Alcaliber Investig Desarrollo E Innovacion Slu Proceso para la obtención de 3,14-diacetiloximorfona a partir de oripavina
WO2017222575A1 (en) 2016-06-23 2017-12-28 Collegium Pharmaceutical, Inc. Process of making more stable abuse-deterrent oral formulations
SG11201811760VA (en) 2016-07-06 2019-01-30 Durect Corp Oral dosage form with drug composition, barrier layer and drug layer
PL3559010T3 (pl) 2016-12-23 2022-11-21 Minoryx Therapeutics S.L. Sposób wytwarzania 5-[[4-[2-[5-(1-hydroksyetylo)-2-pirydynylo]etoksy]fenylo]metylo]-2,4-tiazolidynodionu i jego soli
SK592017A3 (sk) 2017-07-04 2019-01-08 Saneca Pharmaceuticals A. S. Spôsob prípravy morfínanových zlúčenín
CN111836813A (zh) 2018-02-23 2020-10-27 罗德科技公司 新型阿片样化合物及其用途
CN110054656B (zh) * 2019-05-28 2021-02-02 宜昌人福药业有限责任公司 一种10-羰基/羟基吗啡-6-葡萄糖苷酸的合成方法
EP3997092A4 (en) * 2019-07-08 2023-09-06 University of Health Sciences & Pharmacy in St. Louis G-PROTEIN INFLUENCED OPIOID RECEPTOR AGONIST/ANALGESICS WITH REDUCED ARRESTIN RECRUITMENT
JP2023515918A (ja) 2020-01-13 2023-04-17 デュレクト コーポレーション 不純物が低減された徐放性薬物送達システム及び関連の方法
CN114621239A (zh) * 2020-12-10 2022-06-14 鲁南制药集团股份有限公司 一种纳曲酮的制备方法
BR112023012708A2 (pt) * 2020-12-28 2023-10-03 Navin Saxena Research & Tech Pvt Ltd Processo para síntese de noroximorfona a partir da morfina

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819636A (en) * 1970-09-15 1974-06-25 American Home Prod 4a,10-(methaniminomethano)phenanthrene derivatives
US4795813A (en) * 1981-08-17 1989-01-03 The Florida Board Of Regents On Behalf Of The Florida State University Synthesis of derivatives of codeine and other 3-O-alkylmorphines
US5112975A (en) * 1984-03-27 1992-05-12 Mallinckrodt Specialty Chemicals Company Preparation of noroxymorphone from morphine
US4639520A (en) * 1984-03-27 1987-01-27 Mallinckrodt, Inc. Preparation of 14-hydroxy-N-ethoxy-carbonyl-norcodeinone
DE3581423D1 (de) * 1984-03-27 1991-02-28 Mallinckrodt Inc Herstellung von noroxymorphon aus morphin.
US4668685A (en) * 1984-07-05 1987-05-26 E.I. Du Pont De Nemours And Company Substituted benzoate ester prodrug derivatives of 3-hydroxymorphinans, which are analgesics or narcotic antagonists
US4912114A (en) * 1988-03-18 1990-03-27 Sandoz Ltd. Morphinan derivatives

Also Published As

Publication number Publication date
NO20000111D0 (no) 2000-01-10
RU2183636C2 (ru) 2002-06-20
US5922876A (en) 1999-07-13
AU8379198A (en) 1999-02-08
HK1028025A1 (en) 2001-02-02
TR200000033T2 (tr) 2000-12-21
US6013796A (en) 2000-01-11
ATE291023T1 (de) 2005-04-15
KR20010021693A (ko) 2001-03-15
KR100363486B1 (ko) 2002-12-16
US5952495A (en) 1999-09-14
TW505648B (en) 2002-10-11
JP2001518444A (ja) 2001-10-16
EP1000065A4 (en) 2001-09-12
US6008354A (en) 1999-12-28
DE69829379D1 (de) 2005-04-21
ZA986144B (en) 1999-05-19
AU740822B2 (en) 2001-11-15
WO1999002529A1 (en) 1999-01-21
IN1998KO01500A (enEXAMPLES) 2005-03-11
US5869669A (en) 1999-02-09
US5948788A (en) 1999-09-07
HUP0003918A3 (en) 2003-04-28
HUP0003918A2 (hu) 2001-07-30
EP1000065B1 (en) 2005-03-16
CA2296035A1 (en) 1999-01-21
SK102000A3 (en) 2000-07-11
CN1272845A (zh) 2000-11-08
CN1152880C (zh) 2004-06-09
CA2296035C (en) 2004-04-13
NO20000111L (no) 2000-02-25
US6008355A (en) 1999-12-28
EP1000065A1 (en) 2000-05-17

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