CA2769820C - Method for making 3.alpha.-hydroxy, 3.beta.- methyl-5.alpha.-pregnan-20-one (ganaxolone) - Google Patents

Method for making 3.alpha.-hydroxy, 3.beta.- methyl-5.alpha.-pregnan-20-one (ganaxolone) Download PDF

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Publication number
CA2769820C
CA2769820C CA2769820A CA2769820A CA2769820C CA 2769820 C CA2769820 C CA 2769820C CA 2769820 A CA2769820 A CA 2769820A CA 2769820 A CA2769820 A CA 2769820A CA 2769820 C CA2769820 C CA 2769820C
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CA
Canada
Prior art keywords
ganaxolone
methyl
methylating agent
reaction
dione
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CA2769820A
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English (en)
French (fr)
Other versions
CA2769820A1 (en
Inventor
Kenneth Shaw
Alan Hutchison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Immedica Pharma US Inc
Original Assignee
Marinus Pharmaceuticals Inc
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 Marinus Pharmaceuticals Inc filed Critical Marinus Pharmaceuticals Inc
Publication of CA2769820A1 publication Critical patent/CA2769820A1/en
Application granted granted Critical
Publication of CA2769820C publication Critical patent/CA2769820C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/57—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
    • C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
    • C07J7/0015—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group not substituted in position 17 alfa
    • C07J7/002—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group not substituted in position 17 alfa not substituted in position 16
    • 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
    • A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
    • A61K31/575—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol
    • 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
    • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
    • C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
    • C07J7/004—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa
    • C07J7/0045—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa not substituted in position 16
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA2769820A 2009-08-13 2010-08-11 Method for making 3.alpha.-hydroxy, 3.beta.- methyl-5.alpha.-pregnan-20-one (ganaxolone) Active CA2769820C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23355309P 2009-08-13 2009-08-13
US61/233,553 2009-08-13
PCT/US2010/045176 WO2011019821A2 (en) 2009-08-13 2010-08-11 METHOD FOR MAKING 3α-HYDROXY, 3β- METHYL-5α-PREGNAN-20-ONE (GANAXOLONE)

Publications (2)

Publication Number Publication Date
CA2769820A1 CA2769820A1 (en) 2011-02-17
CA2769820C true CA2769820C (en) 2017-06-27

Family

ID=43586809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2769820A Active CA2769820C (en) 2009-08-13 2010-08-11 Method for making 3.alpha.-hydroxy, 3.beta.- methyl-5.alpha.-pregnan-20-one (ganaxolone)

Country Status (14)

Country Link
US (1) US8362286B2 (enExample)
EP (1) EP2464653B1 (enExample)
JP (1) JP5745517B2 (enExample)
KR (1) KR101778603B1 (enExample)
CN (1) CN102549007B (enExample)
AU (1) AU2010282570B2 (enExample)
BR (1) BR112012003085B1 (enExample)
CA (1) CA2769820C (enExample)
EA (1) EA024269B1 (enExample)
ES (1) ES2524724T3 (enExample)
IL (1) IL217857A (enExample)
MX (1) MX2012001728A (enExample)
NZ (1) NZ597940A (enExample)
WO (1) WO2011019821A2 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2812250T3 (es) 2005-11-28 2021-03-16 Marinus Pharmaceuticals Inc Formulaciones de ganaxolona y procedimientos para la preparación y uso de las mismas
US9629853B2 (en) 2014-05-21 2017-04-25 Wisconsin Alumni Research Foundation Uses of ganaxolone
CZ305837B6 (cs) * 2015-02-25 2016-03-30 Vysoká škola chemicko - technologická v Praze (3α,5β,20S)-3-Nitrooxy-pregnan-20-karboxylová kyselina
KR20180082457A (ko) * 2015-10-16 2018-07-18 마리누스 파마슈티컬스 인코포레이티드 나노입자들을 포함하는 주사용 뉴로스테로이드 제제들
CN106366149B (zh) * 2016-08-09 2018-01-23 南京臣功制药股份有限公司 一种醋酸甲羟孕酮分散片的有关物质及其分析检测方法
CN106279326A (zh) * 2016-08-09 2017-01-04 南京臣功制药股份有限公司 一种醋酸甲羟孕酮胶囊的有关物质及其分析检测方法
KR20230050474A (ko) 2016-08-11 2023-04-14 오비드 테라퓨틱스 인크. 간질 장애의 치료를 위한 방법 및 조성물
US10391105B2 (en) 2016-09-09 2019-08-27 Marinus Pharmaceuticals Inc. Methods of treating certain depressive disorders and delirium tremens
IT201800009683A1 (it) * 2018-10-22 2020-04-22 Ind Chimica Srl Processo per la preparazione di 3α-idrossi-5α-pregnan-20-one (brexanolone)
US11266662B2 (en) 2018-12-07 2022-03-08 Marinus Pharmaceuticals, Inc. Ganaxolone for use in prophylaxis and treatment of postpartum depression
EP4009982A4 (en) 2019-08-05 2023-08-09 Marinus Pharmaceuticals, Inc. GANAXOLONE FOR USE IN TREATMENT OF STATUS EPILEPTICUS
AU2020395254B2 (en) 2019-12-06 2026-04-02 Marinus Pharmaceuticals, Inc. Ganaxolone for use in treating tuberous sclerosis complex
IT202000021316A1 (it) * 2020-09-09 2022-03-09 Ind Chimica Srl PROCESSO PER LA PREPARAZIONE DI (3α,5α)-3-IDROSSI-3-METIL-PREGNAN-20-ONE (GANAXOLONE)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953429A (en) * 1970-12-17 1976-04-27 Glaxo Laboratories Limited Anaesthetic steroids of the androstance and pregnane series
US5319115A (en) 1987-08-25 1994-06-07 Cocensys Inc. Method for making 3α-hydroxy, 3β-substituted-pregnanes
US5232917A (en) * 1987-08-25 1993-08-03 University Of Southern California Methods, compositions, and compounds for allosteric modulation of the GABA receptor by members of the androstane and pregnane series
JP4008024B2 (ja) * 1993-05-24 2007-11-14 パーデュー、ファーマ、リミテッド、パートナーシップ Gabaaレセプター複合体と相互作用させるための化合物
FR2720747B1 (fr) * 1994-06-02 1996-07-12 Roussel Uclaf Nouveau procédé de préparation d'un stéroïde 16béta-méthyl et nouveaux intermédiaires.
BR9509764A (pt) * 1994-11-23 1998-07-07 Cocensys Inc Série androstano e pregnano para modulação alostérica de receptor de gaba
WO2006010085A1 (en) * 2004-07-09 2006-01-26 Roxro Pharma, Inc. Use of neurosteroids to treat neuropathic pain
ES2812250T3 (es) * 2005-11-28 2021-03-16 Marinus Pharmaceuticals Inc Formulaciones de ganaxolona y procedimientos para la preparación y uso de las mismas

Also Published As

Publication number Publication date
IL217857A (en) 2016-03-31
WO2011019821A3 (en) 2011-06-16
WO2011019821A2 (en) 2011-02-17
US8362286B2 (en) 2013-01-29
US20110040112A1 (en) 2011-02-17
EA201270241A1 (ru) 2013-09-30
EP2464653B1 (en) 2014-10-22
CN102549007B (zh) 2015-03-18
BR112012003085A2 (pt) 2020-12-01
JP5745517B2 (ja) 2015-07-08
JP2013501803A (ja) 2013-01-17
KR20120084715A (ko) 2012-07-30
KR101778603B1 (ko) 2017-09-14
AU2010282570B2 (en) 2014-04-24
EA024269B1 (ru) 2016-09-30
AU2010282570A1 (en) 2012-02-23
EP2464653A4 (en) 2013-01-16
MX2012001728A (es) 2012-06-01
IL217857A0 (en) 2012-03-29
CA2769820A1 (en) 2011-02-17
EP2464653A2 (en) 2012-06-20
HK1171761A1 (en) 2013-04-05
NZ597940A (en) 2013-03-28
ES2524724T3 (es) 2014-12-11
CN102549007A (zh) 2012-07-04
BR112012003085B1 (pt) 2021-06-01

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