ZA9610008B - Process improvement in the synthesis of n-[3-(3-cyanopy-razolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide - Google Patents

Process improvement in the synthesis of n-[3-(3-cyanopy-razolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide

Info

Publication number
ZA9610008B
ZA9610008B ZA9610008A ZA9610008A ZA9610008B ZA 9610008 B ZA9610008 B ZA 9610008B ZA 9610008 A ZA9610008 A ZA 9610008A ZA 9610008 A ZA9610008 A ZA 9610008A ZA 9610008 B ZA9610008 B ZA 9610008B
Authority
ZA
South Africa
Prior art keywords
cyanopy
razolo
pyrimidin
acetamide
phenyl
Prior art date
Application number
ZA9610008A
Other languages
English (en)
Inventor
Padmanathan Thurairajah
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of ZA9610008B publication Critical patent/ZA9610008B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02—Heterocyclic 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
    • C07D403/10—Heterocyclic 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 carbon chain containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P21/00—Drugs for disorders of the muscular or neuromuscular system
    • A61P21/02—Muscle relaxants, e.g. for tetanus or cramps
    • 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
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • 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
    • A61P25/08—Antiepileptics; Anticonvulsants
    • 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
    • A61P25/20—Hypnotics; Sedatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Neurology (AREA)
  • Pain & Pain Management (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Anesthesiology (AREA)
  • Rheumatology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA9610008A 1995-12-01 1996-11-28 Process improvement in the synthesis of n-[3-(3-cyanopy-razolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide ZA9610008B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785995P 1995-12-01 1995-12-01

Publications (1)

Publication Number Publication Date
ZA9610008B true ZA9610008B (en) 1998-08-28

Family

ID=21728482

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9610008A ZA9610008B (en) 1995-12-01 1996-11-28 Process improvement in the synthesis of n-[3-(3-cyanopy-razolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide

Country Status (25)

Country Link
US (1) US5714607A (xx)
EP (1) EP0776898B1 (xx)
JP (1) JP4112032B2 (xx)
KR (1) KR100439282B1 (xx)
CN (1) CN1057525C (xx)
AR (1) AR004822A1 (xx)
AT (1) ATE227290T1 (xx)
AU (1) AU718310B2 (xx)
BR (1) BR9605760A (xx)
CA (1) CA2191647C (xx)
CY (1) CY2440B1 (xx)
CZ (1) CZ292253B6 (xx)
DE (1) DE69624657T2 (xx)
DK (1) DK0776898T3 (xx)
ES (1) ES2184844T3 (xx)
HU (1) HU226398B1 (xx)
IL (1) IL119710A (xx)
MX (1) MX9605974A (xx)
NO (1) NO307181B1 (xx)
NZ (1) NZ299848A (xx)
PT (1) PT776898E (xx)
RU (1) RU2178415C2 (xx)
SK (1) SK281807B6 (xx)
TW (1) TW382629B (xx)
ZA (1) ZA9610008B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6399621B1 (en) 1999-08-10 2002-06-04 American Cyanamid Company N-methyl-N-(3-{3-[2-thienylcarbonyl]-pyrazol-[1, 5-α]-pyrimidin-7-yl}phenyl)acetamide and compositions and methods related thereto
US20030091632A1 (en) * 1999-08-26 2003-05-15 Neurocrine Biosciences, Inc. Controlled-release sedative-hypnotic compositions and methods related thereto
US6485746B1 (en) 2000-08-25 2002-11-26 Neurocrine Biosciences, Inc. Controlled-release sedative-hypnotic compositions and methods related thereto
US6384221B1 (en) * 1999-09-02 2002-05-07 Neurocrine Biosciences, Inc. Polymorphs of N-methyl-N-(3-{3-[2-thienylcarbonyl]-pyrazol-[1,5-α]-pyrimidin-7-yl}phenyl)acetamide and compositions and methods related thereto
EP1526136A1 (en) * 2000-08-03 2005-04-27 Wyeth Polymorphs of zaleplon and methods for the preparation thereof
PL365678A1 (en) * 2000-08-03 2005-01-10 Wyeth Polymorphs of zaleplon and methods for the preparation thereof
AR029780A1 (es) 2000-12-13 2003-07-16 Gador Sa Procedimiento mejorado para la obtencion de n-[3(3-ciano-pirazolo[1,5-a]pirimidin-7-il)fenil]-n-etil-acetamida
US20050032818A1 (en) * 2001-06-12 2005-02-10 Entire Interest N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-5-yl)phenyl]-N-ethylacetamide and crystalline forms of zaleplon
US6884888B2 (en) * 2001-06-12 2005-04-26 Teva Gyogyszergyar Reszvenytarsasag Process for the production of N-[3-(3-cyanopyrazolo[1,5-a] pyrimidin-7-yl) phenyl]-N-ethylacetamide (zaleplon)
SK472004A3 (en) 2001-08-01 2004-12-01 Biogal Gyogyszergyar Purification and crystalline forms of zaleplon
ATE368667T1 (de) * 2002-02-14 2007-08-15 Cilag Ag Verfahren zur herstellung von n-ethyl-n-(3-(3- cyanopyrazolo-(1,5-a)-pyrimidin-7-yl)phenyl)- acetamid
PL373694A1 (en) * 2002-02-15 2005-09-05 Teva Gyogyszergyar Reszvenytarsasag Powder composition comprising zaleplon of defined particle size distribution and pharmaceutical products made therefrom
PL207322B1 (pl) * 2002-05-14 2010-11-30 Adamed Społka Z Ograniczoną Odpowiedzialnością Sposób wytwarzania zaleplonu
DE112004001615T5 (de) * 2003-09-04 2006-06-14 Cipla Ltd. Zaleplon-Synthese
WO2005060968A1 (en) 2003-12-11 2005-07-07 Sepracor Inc. Combination of a sedative and a neurotransmitter modulator, and methods for improving sleep quality and treating depression
JP2007517876A (ja) * 2004-01-14 2007-07-05 マリンクロッド・インコーポレイテッド 選択的ピラゾロピリミジン類の合成のための２相法
HUP0400325A3 (en) * 2004-02-02 2005-11-28 Richter Gedeon Vegyeszet Pure n-[3-(-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide, process for its preparation and intermediates
DK1742624T3 (da) 2004-02-18 2010-03-08 Sepracor Inc Dopamin-agonist-kombinationsterapi med sedativer til forbedring af søvnkvalitet
WO2006070244A2 (en) * 2004-11-22 2006-07-06 Bakulesh Mafatlal Khamar A process for the preparation of zaleplon
US7649007B2 (en) * 2006-08-15 2010-01-19 Wyeth Llc Oxazolidine derivatives as PR modulators
US7652018B2 (en) * 2006-08-15 2010-01-26 Wyeth Llc Imidazolidin-2-one derivatives useful as PR modulators
TW200815428A (en) * 2006-08-15 2008-04-01 Wyeth Corp Oxazolidone derivatives as PR modulators
US7538107B2 (en) 2006-08-15 2009-05-26 Wyeth Oxazinan-2-one derivatives useful as PR modulators
WO2008068600A2 (en) * 2006-12-06 2008-06-12 Orchid Chemicals & Pharmaceuticals Limited An improved process for the preparation of zaleplo
CZ2008468A3 (cs) 2008-07-31 2009-11-18 Farmak, A. S. Zpusob prípravy N-(1-benzo[b]thien-2-ylethyl)-N-hydroxymocoviny
CN102816163A (zh) * 2012-08-20 2012-12-12 四川禾邦阳光制药股份有限公司 扎来普隆的新晶型及制备方法
CN112694336B (zh) * 2020-12-29 2021-11-16 哈尔滨工业大学 一种高纯α相氮化硅纤维毡的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281000A (en) * 1979-07-09 1981-07-28 American Cyanamid Company Substituted pyrazolo (1,5-a)pyrimidines and their use as anxiolytic agents
US4626538A (en) * 1983-06-23 1986-12-02 American Cyanamid Company [7-(3-disubstituted amino)phenyl]pyrazolo[1,5-a]pyrimidines
US4521422A (en) * 1983-06-23 1985-06-04 American Cyanamid Company Aryl and heteroaryl[7-(aryl and heteroaryl)pyrazolo[1,5-a]pyrimidin-3-yl]methanones
NZ208554A (en) * 1983-06-23 1987-06-30 American Cyanamid Co (aryl and heteroaryl)-(7-(aryl and heteroaryl)-pyrazolo (1,5-a) pyrimidin-3-yl)-methanone derivatives and pharmaceutical compositions
JPS62270584A (ja) * 1986-04-28 1987-11-24 Yoshitomi Pharmaceut Ind Ltd ４，７−ジヒドロピラゾロ〔１，５−ａ〕ピリミジン誘導体
GB9321162D0 (en) * 1993-10-13 1993-12-01 Boots Co Plc Therapeutic agents

Also Published As

Publication number Publication date
NO307181B1 (no) 2000-02-21
PT776898E (pt) 2003-02-28
KR100439282B1 (ko) 2004-08-31
CA2191647A1 (en) 1997-06-02
EP0776898B1 (en) 2002-11-06
CN1057525C (zh) 2000-10-18
NZ299848A (en) 1998-09-24
AR004822A1 (es) 1999-03-10
CY2440B1 (en) 2004-11-12
HUP9603275A3 (en) 1997-10-28
HUP9603275A2 (en) 1997-08-28
CA2191647C (en) 2005-01-25
JP4112032B2 (ja) 2008-07-02
DE69624657D1 (de) 2002-12-12
SK281807B6 (sk) 2001-08-06
CN1163893A (zh) 1997-11-05
TW382629B (en) 2000-02-21
NO965084L (no) 1997-06-02
IL119710A (en) 1999-11-30
DE69624657T2 (de) 2003-08-21
KR970042543A (ko) 1997-07-24
NO965084D0 (no) 1996-11-28
SK153696A3 (en) 1997-11-05
EP0776898A1 (en) 1997-06-04
JPH09216885A (ja) 1997-08-19
ATE227290T1 (de) 2002-11-15
BR9605760A (pt) 1998-08-25
AU7409196A (en) 1997-06-05
CZ292253B6 (cs) 2003-08-13
DK0776898T3 (da) 2003-02-24
HU9603275D0 (en) 1997-01-28
US5714607A (en) 1998-02-03
HU226398B1 (en) 2008-11-28
RU2178415C2 (ru) 2002-01-20
MX9605974A (es) 1998-04-30
AU718310B2 (en) 2000-04-13
IL119710A0 (en) 1997-02-18
CZ350596A3 (en) 1997-09-17
ES2184844T3 (es) 2003-04-16

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