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

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic 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
    • C07D403/10Heterocyclic 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic 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
    • C07D487/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P21/00Drugs for disorders of the muscular or neuromuscular system
    • A61P21/02Muscle relaxants, e.g. for tetanus or cramps
    • 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/08Antiepileptics; Anticonvulsants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/20Hypnotics; Sedatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-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)
  • Pharmacology & Pharmacy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Pain & Pain Management (AREA)
  • Neurology (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Anesthesiology (AREA)
  • Rheumatology (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
US6485746B1 (en) 2000-08-25 2002-11-26 Neurocrine Biosciences, Inc. Controlled-release sedative-hypnotic 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
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
CN1847244A (zh) * 2000-08-03 2006-10-18 Wyeth公司 扎来普隆多晶型物及其制备方法
EP1526136A1 (en) * 2000-08-03 2005-04-27 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
KR20040007683A (ko) * 2001-06-12 2004-01-24 비오갈 기오기스제르갸르 알티. 잘레플론의 제조 방법
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
CN101426504A (zh) * 2002-02-15 2009-05-06 特瓦药厂私人有限公司 包含规定粒径分布的扎来普隆的粉末组合物和由其制得的药物制品
PL207322B1 (pl) * 2002-05-14 2010-11-30 Adamed Społka Z Ograniczoną Odpowiedzialnością Sposób wytwarzania zaleplonu
WO2005023813A1 (en) * 2003-09-04 2005-03-17 Cipla Limited Zaleplon synthesis
ES2515092T3 (es) 2003-12-11 2014-10-29 Sunovion Pharmaceuticals Inc. Combinación de un sedante y un modulador neurotransmisor y métodos de mejorar la calidad del sueño y de tratar la depresión
ATE458739T1 (de) * 2004-01-14 2010-03-15 Mallinckrodt Inc Zweiphasiges verfahren zur synthese ausgewählter pyrazolopyrimidine
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
ES2337700T3 (es) 2004-02-18 2010-04-28 Sepracor, Inc. Terapia combinada de agonista de dopamina con sedantes para mejorar la calidad del sueño.
WO2006070244A2 (en) * 2004-11-22 2006-07-06 Bakulesh Mafatlal Khamar A process for the preparation of zaleplon
US7538107B2 (en) 2006-08-15 2009-05-26 Wyeth Oxazinan-2-one derivatives useful as PR modulators
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
WO2008068600A2 (en) * 2006-12-06 2008-06-12 Orchid Chemicals & Pharmaceuticals Limited An improved process for the preparation of zaleplo
CZ301145B6 (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
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
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
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
AU7409196A (en) 1997-06-05
CY2440B1 (en) 2004-11-12
DK0776898T3 (da) 2003-02-24
EP0776898B1 (en) 2002-11-06
CA2191647C (en) 2005-01-25
NO307181B1 (no) 2000-02-21
ATE227290T1 (de) 2002-11-15
NO965084L (no) 1997-06-02
TW382629B (en) 2000-02-21
ES2184844T3 (es) 2003-04-16
MX9605974A (es) 1998-04-30
NZ299848A (en) 1998-09-24
BR9605760A (pt) 1998-08-25
IL119710A0 (en) 1997-02-18
CN1163893A (zh) 1997-11-05
JPH09216885A (ja) 1997-08-19
DE69624657D1 (de) 2002-12-12
US5714607A (en) 1998-02-03
AU718310B2 (en) 2000-04-13
CN1057525C (zh) 2000-10-18
HU9603275D0 (en) 1997-01-28
PT776898E (pt) 2003-02-28
KR970042543A (ko) 1997-07-24
HUP9603275A3 (en) 1997-10-28
DE69624657T2 (de) 2003-08-21
AR004822A1 (es) 1999-03-10
CA2191647A1 (en) 1997-06-02
RU2178415C2 (ru) 2002-01-20
HUP9603275A2 (en) 1997-08-28
SK281807B6 (sk) 2001-08-06
KR100439282B1 (ko) 2004-08-31
SK153696A3 (en) 1997-11-05
CZ292253B6 (cs) 2003-08-13
HU226398B1 (en) 2008-11-28
EP0776898A1 (en) 1997-06-04
IL119710A (en) 1999-11-30
JP4112032B2 (ja) 2008-07-02
CZ350596A3 (en) 1997-09-17
NO965084D0 (no) 1996-11-28

Similar Documents

Publication Publication Date Title
ZA9610008B (en) Process improvement in the synthesis of n-[3-(3-cyanopy-razolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethyl-acetamide
PL320555A1 (en) Method of obtaining 5-[2-ethoxy-5-(4-methylpierazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propylo-1,6-dihydro-7h-pyrazole[4,3-d]pyrimidin-7-one and novel intermediate compounds
HRP990318B1 (en) PROCESS FOR PREPARATION OF PYRAZOLO/4,3-d/PYRIMIDIN-7-ONES AND INTERMEDIATES THEREOF
HUT70208A (en) Process for preparing 5-substituted pyrrolo[2,3-d]-pyrimidines
EP0722949A3 (en) Process for the preparation of cyclopentadienyl compounds and compounds produced by the process
PL374176A1 (en) Process for purifying n-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-n-ethylacetamide(zaleplon) and crystalline forms of zaleplon accessible with the process
IL116966A0 (en) Bicyclic isothiourea derivatives useful in therapy
HUP0002159A3 (en) Process for preparing intermediates of pesticidally active compounds, the novel intermediates using in this process and preparation thereof
AU3207297A (en) Process for the production of 8-chloro-6-(2-fluorophenyl)-1-methyl-4h-imidazo{1,5-a}benzod iazepine
AU1882295A (en) Pyrrolo(2,3-(d))pyrimidine derivatives as antivirals
SG86962A1 (en) Noodle preparation process
EP0692476A3 (de) Verbessertes Verfahren zur Herstellung von N,N'-Carbonyldiazolen, insbesondere N,N'-Carbonyldiimidazol
GB9410441D0 (en) Azabicycloakyl derivatives of imidazo (1,5-a) indol-3-one and process for their preparation
SG55156A1 (en) Process for the enantioselective synthesis of intermediates used in the preparation of physostigmine
IL118731A0 (en) Process for the preparation of 2,2-dialkyl-arylidene-cycloalkanones
HUP9600316A3 (en) Process for the preparation of n-(ortho-alkyl-phenyl)-imides
IL120556A (en) Process for the preparation of 3,3,5-trichloroglutarimide
KR100204727B1 (en) Process for the preparation of polybutadiene
AP9701138A0 (en) Novel protein and process for producing the same
ZA965723B (en) Pyrrolopyrimidines and process for the preparation thereof
PL103473U1 (en) Hydropneumaticpress for use in production of coreboards
IL119112A0 (en) Process for the preparation of 4,6-dichloropyrimidines
ZA96972B (en) Bicyclic isothiourea derivatives useful in therapy