DE3048873A1 - Alkyl and alkenyl-pyrimidine nucleoside phosphonate deriVs. - antiviral cpds. esp. effective against herpes viruses - Google Patents
Alkyl and alkenyl-pyrimidine nucleoside phosphonate deriVs. - antiviral cpds. esp. effective against herpes virusesInfo
- Publication number
- DE3048873A1 DE3048873A1 DE19803048873 DE3048873A DE3048873A1 DE 3048873 A1 DE3048873 A1 DE 3048873A1 DE 19803048873 DE19803048873 DE 19803048873 DE 3048873 A DE3048873 A DE 3048873A DE 3048873 A1 DE3048873 A1 DE 3048873A1
- Authority
- DE
- Germany
- Prior art keywords
- alkyl
- alkenyl
- derivs
- radical
- stands
- 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.)
- Withdrawn
Links
- 125000000217 alkyl group Chemical group 0.000 title claims abstract description 8
- 239000002718 pyrimidine nucleoside Substances 0.000 title claims abstract description 5
- 241001529453 unidentified herpesvirus Species 0.000 title abstract description 4
- 230000000840 anti-viral effect Effects 0.000 title abstract description 3
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 title abstract 2
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 5
- 125000000328 arabinofuranosyl group Chemical group C1([C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 claims abstract description 3
- FKKCPZSMQFVXFV-UHFFFAOYSA-N phosphonooxymethyl dihydrogen phosphate Chemical compound OP(O)(=O)OCOP(O)(O)=O FKKCPZSMQFVXFV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000004712 monophosphates Chemical class 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 3
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000006373 (C2-C10) alkyl group Chemical group 0.000 claims 1
- 201000010099 disease Diseases 0.000 claims 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims 1
- 239000008177 pharmaceutical agent Substances 0.000 claims 1
- 230000003612 virological effect Effects 0.000 claims 1
- 230000010261 cell growth Effects 0.000 abstract description 4
- 125000000309 desoxyribosyl group Chemical group C1(C[C@H](O)[C@H](O1)CO)* 0.000 abstract 1
- -1 phospho- Chemical class 0.000 description 10
- 239000002777 nucleoside Substances 0.000 description 8
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 241000700605 Viruses Species 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 235000011178 triphosphate Nutrition 0.000 description 3
- 239000001226 triphosphate Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- IQFYYKKMVGJFEH-XLPZGREQSA-N Thymidine Chemical compound O=C1NC(=O)C(C)=CN1[C@@H]1O[C@H](CO)[C@@H](O)C1 IQFYYKKMVGJFEH-XLPZGREQSA-N 0.000 description 2
- LZBGMKAZSYMRHB-YNEHKIRRSA-N [(2R,3S,5R)-5-(5-hexyl-2,4-dioxopyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl dihydrogen phosphate Chemical compound P(=O)(O)(O)OC[C@@H]1[C@H](C[C@@H](O1)N1C(=O)NC(=O)C(=C1)CCCCCC)O LZBGMKAZSYMRHB-YNEHKIRRSA-N 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000003835 nucleoside group Chemical group 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000002264 triphosphate group Chemical class [H]OP(=O)(O[H])OP(=O)(O[H])OP(=O)(O[H])O* 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010019973 Herpes virus infection Diseases 0.000 description 1
- XQFRJNBWHJMXHO-RRKCRQDMSA-N IDUR Chemical compound C1[C@H](O)[C@@H](CO)O[C@H]1N1C(=O)NC(=O)C(I)=C1 XQFRJNBWHJMXHO-RRKCRQDMSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical group C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000700584 Simplexvirus Species 0.000 description 1
- OIRDTQYFTABQOQ-UHTZMRCNSA-N Vidarabine Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1O OIRDTQYFTABQOQ-UHTZMRCNSA-N 0.000 description 1
- MKUXAQIIEYXACX-UHFFFAOYSA-N aciclovir Chemical compound N1C(N)=NC(=O)C2=C1N(COCCO)C=N2 MKUXAQIIEYXACX-UHFFFAOYSA-N 0.000 description 1
- RMRFFCXPLWYOOY-UHFFFAOYSA-N allyl radical Chemical compound [CH2]C=C RMRFFCXPLWYOOY-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000003602 anti-herpes Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001085 cytostatic effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229960004716 idoxuridine Drugs 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- MBKDYNNUVRNNRF-UHFFFAOYSA-N medronic acid Chemical compound OP(O)(=O)CP(O)(O)=O MBKDYNNUVRNNRF-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000003833 nucleoside derivatives Chemical class 0.000 description 1
- UNEIHNMKASENIG-UHFFFAOYSA-N para-chlorophenylpiperazine Chemical compound C1=CC(Cl)=CC=C1N1CCNCC1 UNEIHNMKASENIG-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000008024 pharmaceutical diluent Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000001790 virustatic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
- C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen
- C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom
- C07H19/06—Pyrimidine radicals
- C07H19/10—Pyrimidine radicals with the saccharide radical esterified by phosphoric or polyphosphoric acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
Alkyl- und Alkenylpyrimidinnucleosid-phospho-Alkyl and alkenyl pyrimidine nucleoside phospho-
nate, Verfahren zur Herstellung und sie enthaltende Mittel Die Erfindung betrifft neue Pyrimidinnucleosid-phosphonate mit antiviraler Wirksamkeit und das Zellwachstum induzierender undfördernder Wirkung, Verfahren zur Herstellung dieser Verbindungen und Arzneimittel, die diese Verbindungen enthalten.nate, process for preparation and compositions containing them the Invention relates to new pyrimidine nucleoside phosphonates with antiviral activity and cell growth inducing and promoting effects, methods of manufacture of these compounds and drugs containing these compounds.
Einige Nucleosid-Analoga sind als potentielle antiherpetische Substanzen bereits bekannt. Hierzu gehören unter anderem Joddesoxyuridin, Athyidesoxyuridin, Trifluorthymldin, Arabinofuranosyladenin sowie das Acycloguanosin. Auch dem natürlichen Desoxythymidin kommt eine gewisse Wirksamkeit gegenüber Herpes simplex-Viren (HS-Viren) zu. Obwohl diese Substanzen bei der primären Anwendung mit Erfolg zur Bekämpfung von Herpes-Infektionen therapeutisch eingesetzt werden können, haben sie den Nachteil, daß die Herpesviren sehr bald Resistenz gegenüber diesen Verbindungen entwickeln, so daß eine sekundäre Anwendung an dieser Resistenz scheitert.Some nucleoside analogs are considered potential antiherpetic substances already known. These include iododeoxyuridine, ethyideoxyuridine, Trifluorothymldine, arabinofuranosyladenine and acycloguanosine. Even the natural one Deoxythymidine has a certain effectiveness against herpes simplex viruses (HS viruses) to. Although these substances are effective in combating primary use of herpes infections can be used therapeutically, they have the disadvantage that the herpes viruses very soon develop resistance to these compounds, so that a secondary application fails because of this resistance.
Oberraschenderweise wurde nun gefunden, daß die erfindungsgemäßen Triphosphate derartiger Nucleoside auch gegenüber den resistenten Vlrenstämmen sehr wirksam sind. Diese Wirksamkeit der Nucleosidphosphate gegenüber den Herpesviren ist in mehrfacher Hinsicht überraschend. Beispielsweise ist es allgemein bekannt, daß im Gegensatz zu den Nucleosiden die Phosphate nicht in der Lage sind, die Zellmembran zu durchdringen, somit war für die Phosphate eine Wirksamkeit nicht zu erwarten. DarUber hinaus enthalten die Zellmembranen Enzyme, die die Nucleosidphosphate spalten und daher diese Verbindungen inaktivieren.Surprisingly, it has now been found that the invention Triphosphates of such nucleosides are also very strong against the resistant virus strains are effective. This effectiveness of the nucleoside phosphates against the herpes viruses is surprising in several ways. For example, it is well known that in contrast to the nucleosides, the phosphates are not able to penetrate the cell membrane to penetrate, so an effectiveness was not to be expected for the phosphates. In addition, the cell membranes contain enzymes that cleave the nucleoside phosphates and therefore inactivate these compounds.
Folglich war auch bei unterstellter Transportfähigkeit aus dem vorgenannten Grund von den Phosphonaten keine Wirksamkeit zu erwarten.Consequently, even if it was assumed that the vehicle could be transported from the aforementioned Reason not to expect any efficacy from the phosphonates.
Öberraschenderweise wurde gefunden, daß die erfindungsgemäßen Nucleosidtriphosphate als solche bei Infektionen durch HS-Viren therapeutisch wirksam sind und daß deren Wirksamkeit sich auch auf resistente HS-Virenstämme erstreckt.Surprisingly, it has been found that the nucleoside triphosphates according to the invention as such are therapeutically effective in infections by HS viruses and that their Efficacy extends to resistant HS virus strains as well.
Gegenstand der vorliegenden Erfindung sind neue Alkyl- und Alkenylpyrimidinnucleosid-phosphonate te der allgemeinen Formel I: 1 worin R R für einen geradkettigen oder verzweigten (C2-&10)Alkyl-oder Alkenylrest steht, R1 für H oder Cl steht, R2 für einen geraden oder verzweigten C1-C4-Alkyl- oder Alkenylrest oder ein H-Atom steht, R3 für einen Rest steht, wobei Z einen Desoxyribosyl-, Arabinofuranosyl- oder Fluorarabinofuranosylrest oder einen Acyclo-Zuckerrest der Formel: bedeutet, oder die Reste R2 und R3 gegeneinander ausgetauscht sind.The present invention relates to new alkyl and alkenylpyrimidine nucleoside phosphonates of the general formula I: 1 where RR stands for a straight-chain or branched (C2- & 10) alkyl or alkenyl radical, R1 stands for H or Cl, R2 stands for a straight or branched C1-C4-alkyl or alkenyl radical or an H atom, R3 stands for a rest where Z is a deoxyribosyl, arabinofuranosyl or fluoroarabinofuranosyl radical or an acyclo-sugar radical of the formula: means, or the radicals R2 and R3 are exchanged for one another.
Bevorzugt sind insbesondere diejenigen Nucleosid-triphosphate, bei denen der Substituent in 5-Stellung der Pyrimidinbase ein Methyl-, Athyl-, Propyl-, Butyl-, Pentyl-, Vinyl- oder Allylrest ist.Those nucleoside triphosphates are particularly preferred where the substituent in the 5-position of the pyrimidine base is a methyl, ethyl, propyl, Butyl, pentyl, vinyl or allyl radical.
Die erfindungsgemäßen Verbindungen werden hergestellt, indem man eine Verbindung der allgemeinen Formel II: worin R, R1, R2 und Z die oben genannten Bedeutungen besitzen, mit Methylendiphosphorsäure oder einem reaktionsfähigen Derivat davon umsetzt.The compounds according to the invention are prepared by adding a compound of the general formula II: in which R, R1, R2 and Z have the meanings given above, reacts with methylenediphosphoric acid or a reactive derivative thereof.
Die Ausgangsverbindungen der Formel II sind nach den in der europäischen Offenlegungsschrift 001S584 beschriebenen Verfahren erhältlich.The starting compounds of the formula II are according to the European Offenlegungsschrift 001S584 described method available.
Die im vorliegenden Zusammenhang verwendeten Begriffe "(C2-C6)-Alkyl- oder Alkenylreste" sollen geradkettige oder verzweigte Reste umfassen, beispielsweise äthyl, n-Propyl, Isopropyl, n-Butyl, sek.-Butyl, Isobutyl, tert.-Butyl, n-Pentyl, Isopentyl, n-Hexyl, Isohexyl, und dergleichen.The terms used in the present context "(C2-C6) -alkyl- or alkenyl radicals "are intended to include straight-chain or branched radicals, for example ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl, n-pentyl, Isopentyl, n-hexyl, isohexyl, and the like.
Beispielhafte Ausführungsformen der erfindungsgemäßen Verbindungen sind folgende; darin ist der Triphosphatrest: als PCPP-Rest abgekürzt: Die neuen erfindungsgemäßen Verbindungen haben Uberraschende pharmakologische Eigenschaften, sie wirken insbesondere virostatisch und sie haben eine das Zellwachstum induzierende und fördernde Wirkung; einige erfindungsgemäße Verbindungen wirken auch zytostatisch, d.h. sie hemmen das Zellwachstum. Sie können lokal, oral oder parenteral in einem üblichen pharmazeutischen Verdünnungsmittel oder Träger angewendet werden.Exemplary embodiments of the compounds according to the invention are as follows; therein is the triphosphate residue: Abbreviated as PCPP remainder: The new compounds according to the invention have surprising pharmacological properties, they have a particularly virostatic effect and they have an effect which induces and promotes cell growth; some compounds according to the invention also have a cytostatic effect, ie they inhibit cell growth. They can be applied topically, orally or parenterally in a common pharmaceutical diluent or carrier.
Das folgende Beispiel dient zur Erläuterung der Erfindung, ohne sie einzuschränken. Gemäß diesem Beispiel können auch andere Verbindungen hergestellt werden.The following example serves to illustrate the invention without it to restrict. Other connections can also be established according to this example will.
Beispiel 5-n-Hexyl -2' -desoxyuridin-5-PCPP 5-n-Hexyl-2'-desoxyuridin-5'-monophosphat (3,94 g) und Methylendiphosphonsäure (7,5 g) wurden mit Pyridin (130 ml) und Wasser (16 ml) versetzt und dann mit Dicyclohexylcarbodiimid (DCC) (25g I 12 Stunden lang kräftig geschüttelt. Dann wurden weitere 40 g DCC hinzugegeben und das Gemisch 6 Stunden lang geschüttelt. Example 5-n-Hexyl -2'-deoxyuridine-5-PCPP 5-n-Hexyl-2'-deoxyuridine-5'-monophosphate (3.94 g) and methylenediphosphonic acid (7.5 g) were mixed with pyridine (130 ml) and water (16 ml) and then dicyclohexylcarbodiimide (DCC) (25 g I for 12 hours shaken vigorously. A further 40 g of DCC were then added and the mixture 6 Shaken for hours.
Nach 4 Stunden wurden der Reaktionsmischung weitere 16 g DCC zugesetzt. Nach insgesamt 24 Stunden wurde das Gemisch abfiltrier reichlich mit Wasser gewaschen und das Filtrat im Vakuum eingeengt. Der RUckstand wurde in 300 ml Wasser aufgenommen und mehrmals mit ether extrahiert. Die wäßrige Phase wurde anschließend im Vakuum bei +10°C eingeengt und der Rückstand auf einer Kieselgelsäule chromatographisch gereinigt, dabei diente Propanol:Ammoniak:Wasser (6:3:1) als flüssige Phase. Auf diese Weise wurde das gewünschte Produkt als Ammoniumsalz erhalten (1,0 g). Das nicht umgesetzte 5-n-Hexyl-2'-desoxyuridin-5'-monophosphat (2,0 g) wurde zurückgewonnen.After 4 hours, an additional 16 g of DCC was added to the reaction mixture. After a total of 24 hours, the mixture was filtered off and washed copiously with water and the filtrate was concentrated in vacuo. The residue was taken up in 300 ml of water and extracted several times with ether. The aqueous phase was then in vacuo concentrated at + 10 ° C and the residue is chromatographed on a silica gel column purified, propanol: ammonia: water (6: 3: 1) was used as the liquid phase. on thus the desired product was obtained as the ammonium salt (1.0 g). That unreacted 5-n-hexyl-2'-deoxyuridine-5'-monophosphate (2.0 g) was recovered.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803048873 DE3048873A1 (en) | 1980-12-23 | 1980-12-23 | Alkyl and alkenyl-pyrimidine nucleoside phosphonate deriVs. - antiviral cpds. esp. effective against herpes viruses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803048873 DE3048873A1 (en) | 1980-12-23 | 1980-12-23 | Alkyl and alkenyl-pyrimidine nucleoside phosphonate deriVs. - antiviral cpds. esp. effective against herpes viruses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3048873A1 true DE3048873A1 (en) | 1982-07-15 |
Family
ID=6120183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803048873 Withdrawn DE3048873A1 (en) | 1980-12-23 | 1980-12-23 | Alkyl and alkenyl-pyrimidine nucleoside phosphonate deriVs. - antiviral cpds. esp. effective against herpes viruses |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3048873A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998045309A1 (en) * | 1997-04-04 | 1998-10-15 | Astra Pharmaceuticals Ltd. | Novel phosphate compounds and their use as medicaments |
-
1980
- 1980-12-23 DE DE19803048873 patent/DE3048873A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998045309A1 (en) * | 1997-04-04 | 1998-10-15 | Astra Pharmaceuticals Ltd. | Novel phosphate compounds and their use as medicaments |
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| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |