AU681875B2 - 2-benzyl-polycyclic guanine derivatives and process for preparing them - Google Patents

2-benzyl-polycyclic guanine derivatives and process for preparing them Download PDF

Info

Publication number
AU681875B2
AU681875B2 AU62687/94A AU6268794A AU681875B2 AU 681875 B2 AU681875 B2 AU 681875B2 AU 62687/94 A AU62687/94 A AU 62687/94A AU 6268794 A AU6268794 A AU 6268794A AU 681875 B2 AU681875 B2 AU 681875B2
Authority
AU
Australia
Prior art keywords
hydrogen
formula
alkyl
document
compound
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.)
Expired - Fee Related
Application number
AU62687/94A
Other languages
English (en)
Other versions
AU6268794A (en
Inventor
Samuel Chackalamannil
Donald J Dibenedetto
Dinesh Gala
Max Kugelman
Brian A. Mckittrick
Deen Tulshian
Yan Xia
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.)
Merck Sharp and Dohme LLC
Original Assignee
Schering 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
Application filed by Schering Corp filed Critical Schering Corp
Publication of AU6268794A publication Critical patent/AU6268794A/en
Application granted granted Critical
Publication of AU681875B2 publication Critical patent/AU681875B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C07D487/12—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 three hetero rings
    • C07D487/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic 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
    • C07D239/28—Heterocyclic 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
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/52—Two oxygen atoms
    • C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/40—Heterocyclic compounds containing purine ring systems with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AU62687/94A 1993-02-26 1994-02-24 2-benzyl-polycyclic guanine derivatives and process for preparing them Expired - Fee Related AU681875B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US2354993A 1993-02-26 1993-02-26
US2459993A 1993-02-26 1993-02-26
US023549 1993-02-26
US024599 1993-02-26
PCT/US1994/001728 WO1994019351A1 (en) 1993-02-26 1994-02-24 2-benzyl-polycyclic guanine derivatives and process for preparing them

Publications (2)

Publication Number Publication Date
AU6268794A AU6268794A (en) 1994-09-14
AU681875B2 true AU681875B2 (en) 1997-09-11

Family

ID=26697306

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62687/94A Expired - Fee Related AU681875B2 (en) 1993-02-26 1994-02-24 2-benzyl-polycyclic guanine derivatives and process for preparing them

Country Status (14)

Country Link
US (1) US5939419A (enExample)
EP (1) EP0686157A1 (enExample)
JP (1) JPH08507068A (enExample)
KR (1) KR960701058A (enExample)
CN (1) CN1118600A (enExample)
AU (1) AU681875B2 (enExample)
CA (1) CA2156918A1 (enExample)
FI (1) FI953981A7 (enExample)
HU (1) HUT72640A (enExample)
IL (1) IL108754A0 (enExample)
NZ (1) NZ262797A (enExample)
SG (1) SG43809A1 (enExample)
TW (1) TW270118B (enExample)
WO (1) WO1994019351A1 (enExample)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631365A (en) 1993-09-21 1997-05-20 Schering Corporation Hydroxy-substituted azetidinone compounds useful as hypocholesterolemic agents
US5824683A (en) * 1995-11-28 1998-10-20 Schering Corporation 2'- 4'-halo- 1,1'-biphenyl!-4-yl!methyl!-5'-methyl-spiro cyclopentane-1,7' (8'H)- 3H! imidazo 2,1-b!purin!-4' (5'H)-ones
AR004752A1 (es) * 1995-11-28 1999-03-10 Schering Corp 2'-[[4'-halo-[1,1'-bifenil]-4-il]metil]-5'-metil-espiro[ciclopentano-1,7' (8'h)-[3h imidazo[2,1-b]purin]-4'(5'h)-onas, uso del mismo para la preparacionde un medicamento, composicion farmaceutica y un proceso para su preparacion.
US6410584B1 (en) 1998-01-14 2002-06-25 Cell Pathways, Inc. Method for inhibiting neoplastic cells with indole derivatives
US6200771B1 (en) 1998-10-15 2001-03-13 Cell Pathways, Inc. Method of using a novel phosphodiesterase in pharmaceutical screeing to identify compounds for treatment of neoplasia
US6133271A (en) * 1998-11-19 2000-10-17 Cell Pathways, Inc. Method for inhibiting neoplastic cells and related conditions by exposure thienopyrimidine derivatives
US6187779B1 (en) 1998-11-20 2001-02-13 Cell Pathways, Inc. Method for inhibiting neoplastic cells and related conditions by exposure to 2,8-disubstituted quinazoline derivatives
US6369092B1 (en) 1998-11-23 2002-04-09 Cell Pathways, Inc. Method for treating neoplasia by exposure to substituted benzimidazole derivatives
US6034099A (en) * 1998-11-24 2000-03-07 Cell Pathways, Inc. Method for inhibiting neoplastic lesions by administering 4-(arylmethylene)- 2, 3- dihydro-pyrazol-3-ones
US6486155B1 (en) 1998-11-24 2002-11-26 Cell Pathways Inc Method of inhibiting neoplastic cells with isoquinoline derivatives
US6077842A (en) * 1998-11-24 2000-06-20 Cell Pathways, Inc. Method of inhibiting neoplastic cells with pyrazolopyridylpyridazinone derivatives
US6025394A (en) 1999-01-29 2000-02-15 Cell Pathways, Inc. Method for treating patients with acne by administering substituted sulfonyl indenyl acetic acids, amides and alcohols
US6020379A (en) * 1999-02-19 2000-02-01 Cell Pathways, Inc. Position 7 substituted indenyl-3-acetic acid derivatives and amides thereof for the treatment of neoplasia
US6403799B1 (en) 1999-10-21 2002-06-11 Agouron Pharmaceuticals, Inc. Methods for the preparation of intermediates in the synthesis of HIV-protease inhibitors
US6821978B2 (en) * 2000-09-19 2004-11-23 Schering Corporation Xanthine phosphodiesterase V inhibitors
EP1790652A1 (en) * 2001-08-28 2007-05-30 Schering Corporation Polycyclic guanine phosphodiesterase V inhibitors
ATE395349T1 (de) * 2001-08-28 2008-05-15 Schering Corp Polycyclische guanin phosphodiesterase inhibitoren
US20030211040A1 (en) 2001-08-31 2003-11-13 Paul Greengard Phosphodiesterase activity and regulation of phosphodiesterase 1B-mediated signaling in brain
CA2465893A1 (en) * 2001-11-09 2003-05-22 Schering Corporation Polycyclic guanine derivative phosphodiesterase v inhibitors
SI1509525T1 (sl) 2002-05-31 2006-12-31 Schering Corp Postopek priprave inhibitorjev ksantinske fosfodiesteraze V in njihovih prekurzorjev
ES2284056T3 (es) * 2003-07-31 2007-11-01 Schering Corporation Metabolito de inhibidor de fosfodiesterasa 5 de xantina y sus derivados, utiles para el tratamiento de la disfuncion erectil.
AR047948A1 (es) * 2003-11-21 2006-03-15 Schering Corp Formulaciuones de inhibidores de la fosfodiesterasa v
SE0401653D0 (sv) * 2004-06-24 2004-06-24 Astrazeneca Ab New compounds
US20070004745A1 (en) * 2005-03-25 2007-01-04 Schering-Plough Corporation Methods of treating benign prostatic hyperplasia or lower urinary tract symptoms by using PDE 5 inhibitors
JP5084725B2 (ja) 2005-06-06 2012-11-28 武田薬品工業株式会社 有機化合物
US20080194592A1 (en) * 2005-08-23 2008-08-14 Intra-Cellular Therapies, Inc. Organic Compounds
BRPI0620464A2 (pt) 2005-12-23 2011-11-16 Astrazeneca Ab composto, composição farmacêutica, uso de um composto, e, método para o tratamento de uma doença
US7745474B2 (en) 2005-12-23 2010-06-29 Astrazeneca Ab Imidazole derivatives for the treatment of gastrointestinal disorders
GB0601951D0 (en) 2006-01-31 2006-03-15 Novartis Ag Organic compounds
WO2007143705A2 (en) * 2006-06-06 2007-12-13 Intra-Cellular Therapies, Inc. Organic compounds
EP2081431B1 (en) 2006-11-13 2013-01-16 Intra-Cellular Therapies, Inc. Organic compounds
JP5837278B2 (ja) * 2006-12-05 2015-12-24 イントラ−セルラー・セラピーズ・インコーポレイテッドＩｎｔｒａ−Ｃｅｌｌｕｌａｒ Ｔｈｅｒａｐｉｅｓ， Ｉｎｃ． 新規使用
US7901872B2 (en) 2007-05-21 2011-03-08 Macronix International Co., Ltd. Exposure process and photomask set used therein
KR20100023040A (ko) * 2007-06-21 2010-03-03 쉐링 코포레이션 폴리사이클릭 구아닌 유도체 및 이의 용도
CN104370918A (zh) 2007-12-06 2015-02-25 武田药品工业株式会社 有机化合物
JP5701608B2 (ja) * 2007-12-06 2015-04-15 イントラ−セルラー・セラピーズ・インコーポレイテッドＩｎｔｒａ−Ｃｅｌｌｕｌａｒ Ｔｈｅｒａｐｉｅｓ， Ｉｎｃ． 有機化合物
WO2009144548A1 (en) * 2008-05-28 2009-12-03 Glenmark Pharmaceuticals S.A. Imidazo [2,1-b] purine derivatives as trpa1 modulators
HUE028347T2 (en) 2008-06-10 2016-12-28 Abbvie Inc Tricyclic compounds
BRPI0922131A2 (pt) 2008-12-06 2015-08-18 Intracellular Therapies Inc Compostos orgânicos
BRPI0922808A2 (pt) 2008-12-06 2018-05-29 Intracellular Therapies Inc compostos orgânicos
EA201170773A1 (ru) 2008-12-06 2012-01-30 Интра-Селлулар Терапиз, Инк. Органические соединения
BRPI0922809A2 (pt) 2008-12-06 2018-05-29 Intracellular Therapies Inc compostos orgânicos
EP2367430B1 (en) 2008-12-06 2014-08-13 Intra-Cellular Therapies, Inc. Organic compounds
MX2011005933A (es) 2008-12-06 2011-12-16 Intra Cellular Therapies Inc Compuestos organicos.
US11464781B2 (en) 2009-02-25 2022-10-11 Intra-Cellular Therapies, Inc. PDE1 inhibitors for ophthalmic disorders
JP2012526810A (ja) 2009-05-13 2012-11-01 イントラ−セルラー・セラピーズ・インコーポレイテッド 有機化合物
SG10201507362TA (en) 2009-08-05 2015-10-29 Intra Cellular Therapies Inc Novel Regulatory Proteins And Inhibitors
KR20120102724A (ko) 2009-12-01 2012-09-18 아보트 러보러터리즈 신규한 트리사이클릭 화합물
ME02800B (me) 2009-12-01 2018-01-20 Abbvie Inc Nova triciklična jedinjenja
TW201206937A (en) 2010-05-31 2012-02-16 Intra Cellular Therapies Inc Organic compounds
WO2011153138A1 (en) 2010-05-31 2011-12-08 Intra-Cellular Therapies, Inc. Organic compounds
US9434730B2 (en) 2010-05-31 2016-09-06 Intra-Cellular Therapies, Inc. PDE1 inhibitor compounds
EP2590657A4 (en) 2010-05-31 2014-02-12 Intra Cellular Therapies Inc ORGANIC CONNECTIONS
WO2012171016A1 (en) 2011-06-10 2012-12-13 Intra-Cellular Therapies, Inc. Organic compounds
EP2956141A4 (en) 2013-02-17 2016-10-26 Intra Cellular Therapies Inc NEW USES
PL2970279T3 (pl) 2013-03-15 2021-05-31 Intra-Cellular Therapies, Inc. Związki organiczne
EP2968338B1 (en) 2013-03-15 2019-01-09 Intra-Cellular Therapies, Inc. Pde1 inhibitors for use in the treatment and/or prevention of cns injuries, and pns diseases, disorders or injuries
US9849132B2 (en) 2014-01-08 2017-12-26 Intra-Cellular Therapies, Inc. Products and pharmaceutical compositions
DK3157926T3 (da) 2014-06-20 2019-08-19 Intra Cellular Therapies Inc Organiske forbindelser
US10131671B2 (en) 2014-08-07 2018-11-20 Intra-Cellular Therapies, Inc. Organic compounds
US10285992B2 (en) 2014-08-07 2019-05-14 Intra-Cellular Therapies, Inc. Combinations of PDE1 inhibitors and NEP inhibitors and associated methods
US9546175B2 (en) 2014-08-07 2017-01-17 Intra-Cellular Therapies, Inc. Organic compounds
RU2711442C2 (ru) 2014-09-17 2020-01-17 Интра-Селлулар Терапиз, Инк. Соединения и способы
MX371158B (es) 2014-12-06 2020-01-20 Intra Cellular Therapies Inc Compuestos inhibidores de pde2.
US10105349B2 (en) 2014-12-06 2018-10-23 Intra-Cellular Therapies, Inc. Organic compounds
US11780848B2 (en) 2015-10-16 2023-10-10 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1- carboxamide and solid state forms thereof
US11512092B2 (en) 2015-10-16 2022-11-29 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof
US11524964B2 (en) 2015-10-16 2022-12-13 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof
US12365689B2 (en) 2015-10-16 2025-07-22 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-n-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof
US10550126B2 (en) 2015-10-16 2020-02-04 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-A]pyrrolo[2,3-e]-pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof
KR20250010141A (ko) 2015-10-16 2025-01-20 애브비 인코포레이티드 (3S,4R)-3-에틸-4-(3H-이미다조[1,2-a]피롤로[2,3-e]-피라진-8-일)-N-(2,2,2-트리플루오로에틸)피롤리딘-1-카복스아미드및 이의 고체상 형태의 제조 방법
US11365198B2 (en) 2015-10-16 2022-06-21 Abbvie Inc. Processes for the preparation of (3S,4R)-3-ethyl-4-(3H-imidazo[1,2-a]pyrrolo[2,3-e]-pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide and solid state forms thereof
US10682354B2 (en) 2016-03-28 2020-06-16 Intra-Cellular Therapies, Inc. Compositions and methods
EP3509589B1 (en) 2016-09-12 2021-11-17 Intra-Cellular Therapies, Inc. Novel uses
KR102590848B1 (ko) 2016-12-28 2023-10-19 다트 뉴로사이언스, 엘엘씨 Pde2 억제제로서 치환된 피라졸로피리미디논 화합물
JP7254078B2 (ja) 2017-11-27 2023-04-07 ダート・ニューロサイエンス・エルエルシー Ｐｄｅ１阻害剤としての置換フラノピリミジン化合物
US11839614B2 (en) 2018-01-31 2023-12-12 Intra-Cellular Therapies, Inc. Methods for treating or mitigating cardiotoxicity characterized by inhibition of adenosine A2 signaling and/or adenosine A2 receptor expression
JP7612672B2 (ja) 2019-09-03 2025-01-14 イントラ－セルラー・セラピーズ・インコーポレイテッド 新規化合物
US12364695B2 (en) 2020-06-02 2025-07-22 Intra-Cellular Therapies, Inc. Methods of treating inflammatory disease

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663446A (en) * 1983-06-27 1987-05-05 Trustees Of The Univ. Of Massachusetts N2 (phenyl substituted) deoxy guanosine containing compounds
WO1991019717A1 (en) * 1990-06-21 1991-12-26 Schering Corporation Polycyclic guanine derivatives
EP0466164A2 (de) * 1990-07-13 1992-01-15 Boehringer Ingelheim Kg Verfahren zur Herstellung 2-Chlor-1,7-dihydropurin-6-on und Verfahren zu dessen Reinigung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7810946L (sv) * 1978-10-20 1980-04-21 Draco Ab Metod att behandla kronisk obstruktiv luftvegssjukdom
CH643260A5 (fr) * 1980-05-02 1984-05-30 Nestle Sa 1-allyl-3-butyl-8-methylxanthine, procede de preparation et utilisation dans un medicament.
DE3324115A1 (de) * 1983-07-05 1985-01-17 Dr. Karl Thomae Gmbh, 7950 Biberach Neue imidazole, ihre herstellung und diese verbindungen enthaltende arzneimittel
DE3347290A1 (de) * 1983-12-28 1985-07-11 Dr. Karl Thomae Gmbh, 7950 Biberach Neue 2-phenyl-imidazole, ihre herstellung und diese verbindungen enthaltende arzneimittel
DE3445299A1 (de) * 1984-12-12 1986-06-19 Dr. Karl Thomae Gmbh, 7950 Biberach Neue imidazoderivate, diese verbindungen enthaltende arzneimittel und verfahren zu ihrer herstellung
EP0423805B1 (en) * 1989-10-20 2000-08-23 Kyowa Hakko Kogyo Kabushiki Kaisha Condensed purine derivatives
DE4035599A1 (de) * 1990-11-06 1992-05-07 Dresden Arzneimittel Neue 5-(phenoxyalkanoylamino)-uracile, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel
JP3260037B2 (ja) * 1994-06-17 2002-02-25 松下電器産業株式会社 超音波ドプラ血流計

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663446A (en) * 1983-06-27 1987-05-05 Trustees Of The Univ. Of Massachusetts N2 (phenyl substituted) deoxy guanosine containing compounds
WO1991019717A1 (en) * 1990-06-21 1991-12-26 Schering Corporation Polycyclic guanine derivatives
EP0466164A2 (de) * 1990-07-13 1992-01-15 Boehringer Ingelheim Kg Verfahren zur Herstellung 2-Chlor-1,7-dihydropurin-6-on und Verfahren zu dessen Reinigung

Also Published As

Publication number Publication date
AU6268794A (en) 1994-09-14
CN1118600A (zh) 1996-03-13
SG43809A1 (en) 1997-11-14
US5939419A (en) 1999-08-17
EP0686157A1 (en) 1995-12-13
JPH08507068A (ja) 1996-07-30
HU9502464D0 (en) 1995-10-30
TW270118B (enExample) 1996-02-11
FI953981A0 (fi) 1995-08-24
WO1994019351A1 (en) 1994-09-01
IL108754A0 (en) 1994-06-24
HUT72640A (en) 1996-05-28
FI953981A7 (fi) 1995-08-24
NZ262797A (en) 1997-08-22
CA2156918A1 (en) 1994-09-01
KR960701058A (ko) 1996-02-24

Similar Documents

Publication Publication Date Title
AU681875B2 (en) 2-benzyl-polycyclic guanine derivatives and process for preparing them
Daluge et al. An efficient, scalable synthesis of the HIV reverse transcriptase inhibitor Ziagen®(1592U89)
EP0072027B1 (en) Antiviral compounds
EP1066266B1 (en) Cyclin dependent kinase inhibitors
CZ99797A3 (en) Purine and guanine compounds as pnp inhibitors
KR20170023156A (ko) 단백질 키나제 저해제로서의 아미노피리다지논 화합물
EP0813527A1 (en) 6-SUBSTITUTED PYRAZOLO 3,4-d] PYRIMIDIN-4-ONES AND COMPOSITIONS AND METHODS OF USE THEREOF
CA2389226A1 (en) 1,4 substituted piperidinyl nmda/nr2b antagonists
WO2008049105A2 (en) Sulfamoyl-containing derivatives and uses thereof
JPH0216315B2 (enExample)
US5565463A (en) 9-subtituted-8-unsubstituted-9-deazaguanines
SK11982003A3 (sk) Spôsob výroby 4,6-diaminopyrimido[5,4-d]pyrimidínov a medziprodukty
EP0197752A2 (en) Pharmaceutical compositions
EP0173624A2 (en) 4-(guanin-9-yl) butanals and antiviral compositions containing them
US5968946A (en) Heterocyclic derivatives useful in treating central nervous system disorders
EP2235009B1 (en) Synthesis of paliperidone
AU8328187A (en) 7-deazaguanines as immunomodulators
WO2021038540A1 (en) Cycloalkylidene carboxylic acids and derivatives as btk inhibitors
WO2024003798A1 (en) A novel process for the preparation of 7 (4, 7- diazaspiro [2.5] octan-7-yl)-2-(2,8 dimethylimidazo[1,2-b] pyrid azin-6- yl) pyrido-4h-[1,2-a] pyrimidin-4-one with novel intermediates
HU195221B (en) Process for producing substituted 2,3-dihydro-6-hydroxy-pyrimido/2,1-f/purine-4,8/1h,9h/-diones
US9630967B2 (en) Process for making zilpaterol
US6677345B1 (en) Cyclin dependent kinase inhibitors
FR2470130A2 (fr) Derives de pyrimido (6,1-a) isoquinoleine-4-one, leur procede de preparation et leur application en therapeutique
KR850000029B1 (ko) 사이클로알카[4,5]피롤로[2,3-g]이소퀴놀린의 제조방법
CA1192189A (en) E-homo-eburnane derivatives and a process for preparing same