NZ262797A - Polycyclic guanine derivatives, purine and pyrimidine precursors; medicaments - Google Patents

Polycyclic guanine derivatives, purine and pyrimidine precursors; medicaments

Info

Publication number
NZ262797A
NZ262797A NZ262797A NZ26279794A NZ262797A NZ 262797 A NZ262797 A NZ 262797A NZ 262797 A NZ262797 A NZ 262797A NZ 26279794 A NZ26279794 A NZ 26279794A NZ 262797 A NZ262797 A NZ 262797A
Authority
NZ
New Zealand
Prior art keywords
purine
medicaments
guanine derivatives
polycyclic guanine
pyrimidine precursors
Prior art date
Application number
NZ262797A
Other languages
English (en)
Inventor
Deen Tulshian
Brian A Mckittrick
Yan Xia
Samuel Chackalamannil
Dinesh Gala
Donald J Dibenedetto
Max Kugelman
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 NZ262797A publication Critical patent/NZ262797A/xx

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)
NZ262797A 1993-02-26 1994-02-24 Polycyclic guanine derivatives, purine and pyrimidine precursors; medicaments NZ262797A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2459993A 1993-02-26 1993-02-26
US2354993A 1993-02-26 1993-02-26

Publications (1)

Publication Number Publication Date
NZ262797A true NZ262797A (en) 1997-08-22

Family

ID=26697306

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ262797A NZ262797A (en) 1993-02-26 1994-02-24 Polycyclic guanine derivatives, purine and pyrimidine precursors; medicaments

Country Status (14)

Country Link
US (1) US5939419A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0686157A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH08507068A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR960701058A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1118600A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU681875B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2156918A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI953981A7 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HU (1) HUT72640A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL108754A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ262797A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG43809A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW270118B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1994019351A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
US6077842A (en) * 1998-11-24 2000-06-20 Cell Pathways, Inc. Method of inhibiting neoplastic cells with pyrazolopyridylpyridazinone derivatives
US6486155B1 (en) 1998-11-24 2002-11-26 Cell Pathways Inc Method of inhibiting neoplastic cells with isoquinoline 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
CN1781920A (zh) 2001-08-28 2006-06-07 先灵公司 多环鸟嘌呤磷酸二酯酶v抑制剂
AU2002324846B2 (en) * 2001-08-31 2007-05-10 Childrens Hospital Medical Center Phosphodiesterase activity and regulation of phosphodiesterase 1-B-mediated signaling in brain
CA2465893A1 (en) * 2001-11-09 2003-05-22 Schering Corporation Polycyclic guanine derivative phosphodiesterase v inhibitors
EP1719772A1 (en) 2002-05-31 2006-11-08 Schering Corporation Process for preparing xanthine phosphodiesterase v inhibitors and precursors thereof
CN1860119A (zh) * 2003-07-31 2006-11-08 先灵公司 用于治疗勃起功能障碍的黄嘌呤磷酸二酯酶5抑制剂代谢物及其衍生物
EP1691788A2 (en) * 2003-11-21 2006-08-23 Schering Corporation Phosphodiesterase v inhibitor formulations
SE0401653D0 (sv) * 2004-06-24 2004-06-24 Astrazeneca Ab New compounds
WO2006104870A2 (en) * 2005-03-25 2006-10-05 Schering Corporation Methods of treating benign prostatic hyperplasia or lower urinary track symptoms by using pde 5 inhibitors
ES2645371T3 (es) 2005-06-06 2017-12-05 Intra-Cellular Therapies, Inc. Compuestos orgánicos
US20080194592A1 (en) * 2005-08-23 2008-08-14 Intra-Cellular Therapies, Inc. Organic Compounds
CN101341130A (zh) 2005-12-23 2009-01-07 阿斯利康(瑞典)有限公司 用于治疗胃肠障碍的咪唑衍生物
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
GB0601951D0 (en) 2006-01-31 2006-03-15 Novartis Ag Organic compounds
AU2007256633B2 (en) * 2006-06-06 2013-09-12 Intra-Cellular Therapies, Inc. Organic compounds
US9198924B2 (en) 2006-11-13 2015-12-01 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
RU2010101611A (ru) * 2007-06-21 2011-07-27 Шеринг Корпорейшн (US) Полициклические производные гуанина и способы их применения
CA2707218A1 (en) * 2007-12-06 2009-06-11 Intra-Cellular Therapies, Inc. Organic compounds
EP2698160A3 (en) 2007-12-06 2014-07-23 Takeda Pharmaceutical Company Limited Organic compounds
WO2009144548A1 (en) * 2008-05-28 2009-12-03 Glenmark Pharmaceuticals S.A. Imidazo [2,1-b] purine derivatives as trpa1 modulators
CN104592231A (zh) 2008-06-10 2015-05-06 Abbvie公司 新的三环化合物
CN102232077A (zh) 2008-12-06 2011-11-02 细胞内治疗公司 有机化合物
ES2638912T3 (es) 2008-12-06 2017-10-24 Intra-Cellular Therapies, Inc. Compuestos orgánicos
AU2009322905A1 (en) 2008-12-06 2010-06-10 Intra-Cellular Therapies, Inc. Organic compounds
NZ593033A (en) * 2008-12-06 2013-11-29 Intra Cellular Therapies Inc 4,5,7,8-tetrahydro-(optionally 4-oxo, 4-thioxo or 4-imino)-2H-imidazo[1,2-a]pyrrolo[3,4-e]pyrimidine and 4,5,7,8,9-pentahydro-(optionally 4-oxo, 4-thioxo or 4-imino)-2H-pyrimido[1,2-a]pyrrolo[3,4-e]pyrimidine derivatives as PDE1 Inhibitors
EP2367430B1 (en) 2008-12-06 2014-08-13 Intra-Cellular Therapies, Inc. Organic compounds
EA201170768A1 (ru) 2008-12-06 2012-05-30 Интра-Селлулар Терапиз, Инк. Органические соединения
WO2010098839A1 (en) 2009-02-25 2010-09-02 Intra-Cellular Therapies, Inc. Pde 1 inhibitors for ophthalmic disorders
WO2010132127A1 (en) 2009-05-13 2010-11-18 Intra-Cellular Therapies, Inc. Organic compounds
WO2011016861A2 (en) 2009-08-05 2011-02-10 Intra-Cellular Therapies, Inc. Novel regulatory proteins and inhibitors
HRP20171175T1 (hr) 2009-12-01 2017-10-06 Abbvie Inc. Novi triciklički spojevi
PH12012501000A1 (en) 2009-12-01 2013-02-11 Abbvie Inc Novel tricyclic compounds
TW201206937A (en) 2010-05-31 2012-02-16 Intra Cellular Therapies Inc Organic compounds
EP2590657A4 (en) 2010-05-31 2014-02-12 Intra Cellular Therapies Inc ORGANIC CONNECTIONS
EP2576551A4 (en) 2010-05-31 2014-04-16 Intra Cellular Therapies Inc ORGANIC CONNECTIONS
EP2575817A4 (en) 2010-05-31 2014-01-08 Intra Cellular Therapies Inc ORGANIC CONNECTIONS
EP2717877B1 (en) 2011-06-10 2017-11-08 Intra-Cellular Therapies, Inc. Organic compounds
JP6549040B2 (ja) 2013-02-17 2019-07-24 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
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
EP2970279B1 (en) 2013-03-15 2020-09-16 Intra-Cellular Therapies, Inc. Organic compounds
JP6696904B2 (ja) 2014-01-08 2020-05-20 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． 製剤および医薬組成物
EP3157926B1 (en) 2014-06-20 2019-05-15 Intra-Cellular Therapies, Inc. Organic compounds
WO2016022893A1 (en) 2014-08-07 2016-02-11 Intra-Cellular Therapies, Inc. Organic compounds
US9546175B2 (en) 2014-08-07 2017-01-17 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
EP3725789B1 (en) 2014-09-17 2022-03-09 Intra-Cellular Therapies, Inc. 7,8-dihydro-[2h]-imidazo-[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5h)-one derivatives as phosphodiesterase 1 (pde1) inhibitors for treating diseases, disorders or injuries of the central nervous system (cns)
CN107205993B (zh) 2014-12-06 2021-03-09 细胞内治疗公司 有机化合物
AU2015357496B2 (en) 2014-12-06 2019-09-19 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
CA3123260A1 (en) 2015-10-16 2017-04-20 Abbvie Inc. Crystalline hemihydrate 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 form 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
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
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
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
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
JP2019510039A (ja) 2016-03-28 2019-04-11 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． 新規組成物および方法
JP7134168B6 (ja) 2016-09-12 2024-02-02 イントラ－セルラー・セラピーズ・インコーポレイテッド 新規使用
JP7111720B2 (ja) 2016-12-28 2022-08-02 ダート・ニューロサイエンス・エルエルシー Ｐｄｅ２阻害剤としての置換ピラゾロピリミジノン化合物
US11434247B1 (en) 2017-11-27 2022-09-06 Dart Neuroscience Llc Substituted furanopyrimidine compounds as PDE1 inhibitors
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
US12410175B2 (en) 2019-09-03 2025-09-09 Intra-Cellular Therapies, Inc. Compounds
US12364695B2 (en) 2020-06-02 2025-07-22 Intra-Cellular Therapies, Inc. Methods of treating inflammatory disease

Family Cites Families (11)

* 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.
US4663446A (en) * 1983-06-27 1987-05-05 Trustees Of The Univ. Of Massachusetts N2 (phenyl substituted) deoxy guanosine containing compounds
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
CA2028235C (en) * 1989-10-20 1997-01-21 Fumio Suzuki Condensed purine derivatives
NZ238609A (en) * 1990-06-21 1993-12-23 Schering Corp Polycyclic guanine derivatives; preparation, pharmaceutical compositions,
DE4022314A1 (de) * 1990-07-13 1992-01-16 Boehringer Ingelheim Kg Verfahren zur herstellung von 2-chlor-1,7-dihydropurin-6-on und verfahren zu dessen reinigung
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

Also Published As

Publication number Publication date
AU6268794A (en) 1994-09-14
WO1994019351A1 (en) 1994-09-01
FI953981A0 (fi) 1995-08-24
US5939419A (en) 1999-08-17
CN1118600A (zh) 1996-03-13
EP0686157A1 (en) 1995-12-13
CA2156918A1 (en) 1994-09-01
JPH08507068A (ja) 1996-07-30
HU9502464D0 (en) 1995-10-30
IL108754A0 (en) 1994-06-24
HUT72640A (en) 1996-05-28
AU681875B2 (en) 1997-09-11
KR960701058A (ko) 1996-02-24
FI953981A7 (fi) 1995-08-24
SG43809A1 (en) 1997-11-14
TW270118B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-02-11

Similar Documents

Publication Publication Date Title
NZ262797A (en) Polycyclic guanine derivatives, purine and pyrimidine precursors; medicaments
NZ281404A (en) Tricyclic pyrimidine derivatives and medicaments
EP0407342A3 (en) Pyrimidine derivatives
AU638496B2 (en) Acyl-biphenylyl-alkyl pyrimidine derivatives
AU4081789A (en) Pyrimidine or purine cyclobutane derivatives
EP0544445A3 (en) Furyl-substituted purines, oxazolopyrimidines and pteridines as adenosine antagonists
EP0409227A3 (en) Pyrimidine and purine nucleosides, their preparation and use as medicaments
AU3388893A (en) Pyrimidine derivatives
AU626726B2 (en) Uracil derivatives, and their production and use
AU6570390A (en) Pyrimidine derivatives, their production and use
AU8033891A (en) Pyrimidine derivatives
PL299412A1 (en) Novel purine nucleosides, novel intermediate compounds and pharmaceutical preparation
PL309610A1 (en) Purine derivatives
AU8038491A (en) Purine derivatives
AU8334691A (en) Antiviral agent
GB8814026D0 (en) Pyrimidine derivatives
ZA948297B (en) Pyrimidine derivatives
ZA968439B (en) Purine and guanine compounds.
IL88854A (en) Pyrimidine and purine 1,2-butadiene-4-ol derivatives and pharmaceutical compositions containing the same
AU7140696A (en) Purine and guanine derivatives
AU7646791A (en) Pyrimidine derivatives
GB8902688D0 (en) Pyrimidine derivatives
HK1022911A (en) Pyrrolo (3,4-d) pyrimidinone derivatives and their use as medicaments
ZA958397B (en) Purine and guanine derivatives
GB9308920D0 (en) New pyrimidine derivatives