WO2006030906A1 - ヌクレオシド類似体またはその塩 - Google Patents
ヌクレオシド類似体またはその塩 Download PDFInfo
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- WO2006030906A1 WO2006030906A1 PCT/JP2005/017168 JP2005017168W WO2006030906A1 WO 2006030906 A1 WO2006030906 A1 WO 2006030906A1 JP 2005017168 W JP2005017168 W JP 2005017168W WO 2006030906 A1 WO2006030906 A1 WO 2006030906A1
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- following formula
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
- C07D473/18—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- 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
- C07D239/47—One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
- C07D473/26—Heterocyclic compounds containing purine ring systems with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
- C07D473/32—Nitrogen atom
- C07D473/34—Nitrogen atom attached in position 6, e.g. adenine
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H21/00—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
- C07H21/04—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with deoxyribosyl as saccharide radical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the present invention relates to a nucleoside analog or a salt thereof.
- RNAi RNA interference
- Dicer RNA interference
- the siRNA forms an RNAZ mRNA double-stranded nucleic acid with the target mRNA, recognizes the double-stranded nucleic acid (called an RNA-induced silencing complex (RISC)), the double-stranded nucleic acid and Are bound, and the target mRNA is cleaved by this conjugate.
- RISC RNA-induced silencing complex
- the method using RNA i the same effect is obtained in many cases using RNA having a concentration of about 1Z100 as compared with the antisense method. Therefore, the method using RNAi Expectations are rising as one of the effective treatment methods for diseases and genetic diseases caused by various viruses that have been considered difficult to cure.
- Oligonucleotide analogs containing a ribose ring contained in natural oligonucleotides are extremely unstable chemically and biologically for use in antisense methods, RNAi-based methods, etc. (For example, see Non-Patent Document 1).
- the ability to form double strands with natural oligonucleotides is also required, but chemically and biologically stable oligonucleotide analogues are required.
- This ability to form a double strand is low (see, for example, Non-Patent Document 2).
- Non-patent literature 2 Jin yan Tang, Jamal Temsamani and Sudhir Agrawal, “Self-stabilized antisense oligonucleotide phosphorothioates: properties and anti—HIV ac tivity”, Nucleic Acids Research, 1993, 21st, p.2729.
- the present invention includes a nucleoside analog and its nucleoside analog that make it possible to produce an oligonucleotide analog that has two characteristics of chemical, biological stability and duplex-forming ability.
- the purpose is to provide oligonucleotide analogues.
- the present invention is a nucleoside analog represented by the following formula (I) or a salt thereof.
- R 1 is a group of the following formula (1), a group of the following formula (1), the functional group of which is protected with a protecting group, or a group of the following formula (2)
- the functional group is protected by a protective group
- the group of the following formula (3) the functional group is protected by a protective group.
- R 4 is H or an activated phosphate group for solid phase synthesis
- k, 1, m and n are each independently an integer of 1 to 10.
- FIG. 1 is a diagram showing the nuclease resistance of an example of the oligonucleotide analogue of the present invention and an example of the oligonucleotide of the comparative example.
- Lane 1 Natural type 0 min
- Lane 2 Natural type 5 min
- Lane 3 Natural type 10 min
- Lane 4 Natural type 15 min
- Lane 5 Natural type 30 min
- Lane 6 Modified type 0 min
- Lane 7 Modified type 5 min
- Lane 8 Modified type 10 rain
- Lane 9 Modified type 15 min
- Lane 10 Modified type 30 min.
- the protecting group whose functional group is protected is selected from protecting groups known in nucleic acid chemistry.
- protecting groups known in nucleic acid chemistry.
- benzoyl (Bz), isoptyryl (iBu), phenoxyacetyl (Pac), aryloxycarbonyl (AOC), N, N-dimethylaminomethylene, acetyl (Ac) and the like can be used as the protecting group.
- the protective group for R 2 and R 3 a conventionally known primary alcohol protective group can be used.
- protecting groups include 4,4′-dimethoxytrityl (DMTr), tert-butyldimethylsilinole (TBDMS), 4-monomethoxytrityl (MMTr), tert-butyldiphenylsilinole (TBDPS), (9-phenyl) xanthene-9-yl [pixyl] isotropic force.
- the protecting group for R 2 and the above, using the nucleoside analog of the present invention, in consideration of the conditions for finally producing an oligonucleotide analog can be selected appropriately.
- producing the oligonucleotide analogue for example, producing the oligonucleotide analogue
- nucleoside analog in which R ⁇ R 2 and ⁇ 3 are appropriately selected according to the final removal conditions of the protecting group may be used.
- the activated phosphate group for solid phase synthesis includes solid phase synthesis.
- phosphate groups can be used in the synthesis, and examples thereof include phosphate groups that form phosphoramidites, phosphates, thiophosphites, and the like.
- Examples of the activated phosphate group for solid phase synthesis that forms phosphoramidite include a group represented by the following formula (10).
- examples of the salt include a salt with an inorganic base, a salt with an organic base, a salt with an inorganic acid, a salt with an organic acid, and the like.
- examples of salts with inorganic bases include, for example, alkali metal salts such as sodium salts and potassium salts; alkaline earth metal salts such as calcium salts and magnesium salts; and aluminum salts and ammonium salts.
- Examples of salts with organic bases include, for example, trimethylamine, triethylamine, pyridine, picoline, ethanolamine, diethanolamine, triethanolamine, dicyclohexylamine, N, N, -dibenzylethylenediamine. Of the salt.
- salts with inorganic acids include salts with hydrochloric acid, hydrobromic acid, nitric acid, sulfuric acid, phosphoric acid and the like.
- salts with organic acids include formic acid, acetic acid, trifluoroacetic acid, fumaric acid, oxalic acid, tartaric acid, maleic acid, citrate, succinic acid, malic acid, methanesulfonic acid, benzenesulfonic acid, p
- salts with toluenesulfonic acid is preferably a pharmaceutically acceptable salt.
- k, 1, m and n are each independently an integer of 1 to 10, and preferably an integer of 1 to 6. k, 1, m and n may be the same or different.
- R 2 is H, 4, 4,
- DMTr dimethoxytrityl
- TDMS tert-butyldimethylsilyl
- MMTr 4 monomethoxytrityl
- TDPS tert butyldiphenylsilyl
- R 3 is H, 4, 4, -dimethoxytrityl (DMTr), tert-butyldimethylsilyl (TBDM S), 4 monomethoxytrityl (MMTr), tert butyldiphenylsilyl (TBDPS) or Is (9-fuel) xanthene-9-il,
- R 4 is preferably H or a group represented by the following formula (10):
- R 1 is a group of the formula (1), the formula (2) A group of formula (3), a group of formula (4), a group of formula (5), a group of formula (6), a group of formula (7) and a group of formula (8)
- any group selected from the group consisting of k, 1, m and n is 1.
- nucleoside analog represented by the formula (I) of the present invention or a salt thereof,
- R 1 is a group of the formula (7), the functional group of which is protected with benzoyl, R 2 is 4,4′-dimethoxytrityl (DMTr), and R 3 is tert-butyldiphenylsilyl. (T BDPS) and R 4 is a group represented by the following formula (10): Sid analogues are more preferred
- nucleoside analog of the present invention or a salt thereof is not limited to the production of the oligonucleotide analog of the present invention, and can be applied to other uses.
- the oligonucleotide analogue of the present invention is an oligonucleotide analogue in which one or more nucleosides constituting the oligonucleotide are each replaced by a nucleoside analogue, wherein the nucleoside analogue is represented by the formula In (I), R 1 is a group of the formula (1), a group of the formula (2), a group of the formula (3), a group of the formula (4), a group of the formula (5), The group of the formula (6), the group of the formula (7) and the group force which is the basic force of the formula (8) are also selected!
- R 51 and R 52 are independently of each other a group of the formula (1), a group of the formula (2), a group of the formula (3), or a group of the formula (4).
- the group of the formula (5), the group of the formula (6), the group of the formula (7) and the group force of the formula (8) are any group selected, kl, k2, 11, 12, ml, m2, nl and n2 are each independently an integer of 1 to 10.
- the oligonucleotide analogue of the present invention may be a single-stranded oligonucleotide, a double-stranded oligonucleotide or the like. Oligonucleotide analogue force One or more nucleosides constituting one or both of the single-stranded oligonucleotides in the single-stranded oligonucleotide are represented by the formula (I), wherein R 1 is a group of the formula (1), or a group of the formula (2).
- a group of the formula (3), a group of the formula (4), a group of the formula (5), a group of the formula (6), a group of the formula (7) and a group of the formula (8) Force group power may be any group selected and may be a nucleoside analog where R 2 , R 3 and R 4 are H! /.
- the oligonucleotide analogue of the present invention preferably has the ability to form double strands. This is because the oligonucleotide analog of the present invention can be used for antisense, gene detection, etc. if it has the ability to form a double strand with the natural oligonucleotide.
- the oligonucleotide analogue of the present invention is preferably nuclease resistant.
- the ability of the oligonucleotide analogue of the present invention to prevent degradation by a nuclease when incorporated into cells, and as a result, the activity of the oligonucleotide analogue in cells can be maintained. Power is also.
- the gene expression inhibitor of the present invention includes the oligonucleotide analog of the present invention.
- a gene expression inhibitor acts as an oligonucleotide analog, for example, siRNA or antisense, and cleaves the target gene mRNA or forms a double strand with the target gene mRNA. Expression can be suppressed.
- the pharmaceutical composition of the present invention is for treating a disease associated with gene expression, and comprises the gene expression inhibitor.
- a disease associated with gene expression for example, a disease is caused by the expression of a protein
- this pharmaceutical composition can be used to suppress the gene expression and treat the disease associated with the gene expression. It is.
- the test kit of the present invention is a kit that comprises the oligonucleotide analog of the present invention, and the oligonucleotide analog is hybridized with a gene in a specimen to test the gene.
- a kit include a DNA chip and a DNA microarray.
- the kit includes a plate on which a well and an oligonucleotide analogue etc. are immobilized, an immobilization carrier such as a fiber and a biochip, and the like.
- such kits include, for example, drugs, coloring reagents that react and develop color, and tests that facilitate detection. It may contain a reagent to be discharged.
- the DNA chip generally, a solution containing the oligonucleotide analogue of the present invention using a known gene sequence is fixed by spotting on a glass substrate, or the oligonucleotide of the present invention on a glass substrate. Some are fixed by synthesizing analogs.
- the DNA chip for example, applies a gene in a specimen to an analysis unit on which the oligonucleotide analog is immobilized, and performs hybridization between the gene and the oligonucleotide analog on the substrate, for example, a fluorescent dye or the like. By detecting by this, the presence or absence of expression of the target gene can be detected. According to such a DNA chip, for example, even a small amount of sample can be effectively analyzed, and various DNA probes can be immobilized on one substrate. A multi-item analysis can be performed.
- the gene expression suppression method of the present invention is a method of suppressing gene expression using an oligonucleotide analog.
- the ability of oligonucleotide analogues acts as siRNA or antisense, cleaves the target gene mRNA or forms a double strand with the target gene mRNA, and as a result suppresses gene expression. be able to.
- a group in which the functional group is protected with a protecting group, a group in the formula (8), and a group in the formula (8), wherein the functional group is selected from the group consisting of a group protected with a protecting group is any group, R 2, R 3 and R 4 Ah in H , Theory and an example of a method of manufacturing a nucleoside analog or a salt thereof represented by the following formula ([pi) Light up.
- R 5 represents a group of the formula (1), a group of the formula (1), the functional group of which is protected with a protecting group, the formula (2)
- the functional group is protected with a protective group
- the functional group is protected with a protective group
- the functional group is protected with a protecting group
- the functional group is a protecting group.
- the group of the formula (6), the group of the formula (6), the functional group is protected with a protecting group, the group of the formula (7), the group of the formula (7)
- the group power that is a group in which the functional group is protected with a protecting group is selected.
- K, 1, m and n are independently of each other. , An integer from 1 to 10.
- R 12 and R 13 together are a group represented by the formula — CR 15 R 16 —
- R 15 and R 16 are each independently selected from a hydrogen atom, a lower alkyl group, and a lower alkoxyl group force.
- R 14 is a group represented by the formula SO—R 17 ,
- R 17 may be substituted with lower alkyl, and may be an aryl group
- X 2 is a halogen atom
- k, 1, m and n are each independently an integer of 1 to 10.
- the protecting group for R 11 a conventionally known primary alcohol protecting group can be used.
- protecting groups include tert-butyldiphenylsilyl (TBDPS), tert-butyldimethylsilyl (TBDMS), 4, 4, -dimethoxytrityl (DMTr), 4-monomethoxytrityl (MMTr), (9— Phenyl) xanthene 9-yl [pixyl], acetyl (Ac), benzoyl (Bz) and the like.
- the lower alkyl group is a linear or branched alkyl group, for example, containing 1 to 6 carbon atoms.
- the lower Examples of the alkyl group include methyl, ethyl, n-propyl, isopropyl, n-butyl 2-ethylbutyl, isobutyl, tert-butyl, pentyl, n-hexyl and the like.
- the group represented by the formula 1 CR 15 R 16 includes, for example, C (CH 3) —,
- the aryl group for R 17 is an aromatic hydrocarbon residue, for example, containing 6 to 30 carbon atoms.
- the aryl group include monocyclic aryl groups such as phenol and condensed polycyclic aryl groups such as naphthyl, indul and fluorenyl.
- the aryl group may be, for example, 1-5 of the lower alkyl.
- substituted aryl groups such as p-methylphenol and p-methoxyphenyl.
- the halogen atom is a fluorine atom, a chlorine atom, an iodine atom, an iodine atom, or the like.
- the compound represented by the formula (IX) and the compound represented by the formula (X) are converted into a base (for example, potassium carbonate, sodium carbonate, rubidium carbonate, lithium carbonate, cesium carbonate, etc.) ) And optionally crown ether (18 crown-1 6 ether, 21-crown 1 7 ether, is crown ether, 12 crown 4 ether, etc.) to obtain a compound represented by the following formula (XI) it can.
- a base for example, potassium carbonate, sodium carbonate, rubidium carbonate, lithium carbonate, cesium carbonate, etc.
- crown ether 18 crown-1 6 ether, 21-crown 1 7 ether, is crown ether, 12 crown 4 ether, etc.
- the compounds represented may be made in-house with reference to known literature or may be obtained commercially.
- R U , R 12 and R 13 of the compound represented by the formula (XI) a nucleoside analog represented by the formula ( ⁇ ) or a salt thereof can be obtained. it can.
- a known removal method may be selected according to the respective groups of R U , R 12 and R 13. it can.
- R 11 is a silyl group such as tert-butyldiphenylsilyl (TBDPS) or tert-butyldimethylsilyl (TBDMS)
- TDPS tert-butyldiphenylsilyl
- TAF tributylammonium fluoride
- R 11 can be removed.
- R 12 and R 13 taken together are a group represented by the formula —C (CH 2) 1, an acid (eg, trifluoroacetic acid,
- R 12 and R 13 can be removed simultaneously by treatment with hydrochloric acid, acetic acid, etc.
- the compound represented by the formula (VII) may be produced, for example, as shown in the following scheme 2.
- R 12 and R 13 together are a group represented by the formula — CR 15 R 16 —
- R 15 and R 16 are each independently selected from a hydrogen atom, a lower alkyl group, and a lower alkoxyl group force.
- X 1 is a halogen atom
- k, 1, m and n are each independently an integer of 1 to 10.
- the compound represented by the formula (IV) and the compound represented by the formula (V) are optionally combined with a base (for example, imidazole, DABCO (l, 4-Diazabicycl o [2.2.2] OC t ane) , can Toriechiruamin etc.) are reacted in the presence, obtaining the formula I spoon compound represented by (VI).
- a base for example, imidazole, DABCO (l, 4-Diazabicycl o [2.2.2] OC t ane
- a base for example, imidazole, DABCO (l, 4-Diazabicycl o [2.2.2] OC t ane)
- a base for example, imidazole, DABCO (l, 4-Diazabicycl o [2.2.2] OC t ane
- a base for example, imidazole, DABCO (l, 4-Diazabicycl o [2.2.2] OC t ane
- R 12 and R 13 are protected with R 12 and R 13 to obtain the compound represented by the formula (VII).
- R 12 and R 13 are protected with R 12 and R 13 to obtain the compound represented by the formula (VII).
- a method that protects R 12 and R 13 can be selected from known protecting method according to the kind of R 12 and R 13 is a protecting group.
- R 12 and R 13 are represented by the formula C (CH) —
- R 11 is a protecting group
- R 12 and R 13 together are a group represented by the formula — CR 15 R 16 — R 15 and R 16 are each independently selected from a hydrogen atom, a lower alkyl group, and a lower alkoxyl group force.
- R is a lower alkyl group.
- the compound represented by the formula (VII-1) can be acidified to obtain the compound represented by the formula (XV).
- an oxidizing agent for example, BaMnO
- the compound represented by the formula (VII-1) may be, for example, a compound of the formula (VII) in which k 1 m and n are 1 in the formula (VII) in the scheme 2 .
- k 1 m and n is 1, and a compound of formula (IV), for example, pentaerythritol, is used as a starting material according to the production method described in scheme 2 above.
- a compound of formula (VII) in which k 1 m and n are 1 may be prepared.
- the compound represented by the formula (XV) can be reacted with the iridium compound (XVI) to obtain the compound represented by the formula (XVII).
- This irido compound (XVI) can be produced according to a method for producing an ylide compound prepared by a Wittig reaction, Horner-Emmons reaction, etc. known to those skilled in the art.
- the compound represented by the formula (VII-2) can be obtained by catalytic reduction of the compound represented by the formula (XVII) and then reducing the ester (one COOR) moiety. it can.
- Catalytic reduction can be performed, for example, with hydrogen gas in the presence of a transition metal catalyst.
- the transition metal catalyst include platinum, palladium (eg, Pd—C), rhodium (eg, Rh 2 O), ruthenium, nickel catalyst, and the like.
- lithium aluminum hydride LiAlH
- LiAlH lithium aluminum hydride
- the compound represented by the formula (VII-3) in which m is 2, and k, 1 and n are 1 in the above formula (VII) is, for example, as shown in the following scheme 4. May be manufactured.
- R u is a protecting group
- R 12 and R 13 together are a group represented by the formula — CR 15 R 16 —
- X 1 and X 4 are independently of each other a halogen atom
- R is a lower alkyl group
- R 5Q is a protecting group
- a conventionally known primary alcohol protecting group can be used as the protecting group.
- protecting groups include tert-butyldiphenylsilyl (TBD PS), tert-butyldimethylsilyl (TBDMS), 4,4'-dimethoxytrityl (DMTr), 4-monomethoxytrityl (MMTr), ( Examples include 9-phenol) xanthene-9-yl [pixy 1], acetyl (Ac), benzoyl (Bz), and the like.
- the halogen atom is a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or the like.
- the compound represented by the formula (VII-1) and the compound represented by the formula (XX) are optionally present in a base (for example, imidazole, DABCO, triethylamine, etc.)
- a base for example, imidazole, DABCO, triethylamine, etc.
- the compound represented by the formula (XXI) can be obtained.
- the compound represented by the formula (XX) may be made in-house with reference to known literature, or commercially available.
- the compound represented by the formula (XXI) can be oxidized to obtain a compound represented by the formula (XXII).
- the oxidation can be carried out using the same conditions as in the above-mentioned scheme 3 for oxidizing the compound represented by the formula (VII-1).
- the compound represented by the formula (XXIV) can be obtained by catalytic reduction of the compound represented by the formula (XXIII) and then reducing the ester (one COOR) moiety. it can.
- Catalytic reduction and reduction of the ester moiety can be carried out using the same conditions as the catalytic reduction and ester reduction of the compound represented by the formula (XVII) in Scheme 3.
- the compound represented by the formula (XXIV) is reacted with the compound represented by the formula (V), and then the group R 5Q is removed to represent the compound represented by the formula (VII-3). Can be obtained.
- the reaction conditions with the compound of the formula (V) are the same as the reaction conditions of the compound represented by the formula (IV) in the scheme 2 and the compound represented by the formula (V). To do Can do. Further, removal of the group R 5 ° can, depending on the group R ⁇ , selects the known removal methods.
- the compound represented by the formula (VII) in which k, m, 1 and n are integers of 1 to 10 is a conventionally known technique, ie, protection and deprotection, and ylide compound. It can be manufactured by combining the increased carbonization reaction used.
- R 12 and R 13 together are a group represented by the formula — CR 15 R 16 —
- k, 1, m and n are each independently an integer of 1 to 10.
- the halogen atom is a fluorine atom, a chlorine atom, an iodine atom, an iodine atom, or the like.
- R u , R 12 and R 13 of the compound represented by the formula ( ⁇ ) a known removal method should be selected according to the respective groups of R U , R 12 and R 13. Can do.
- R 1 1 is a silyl group such as tert-butyldiphenylsilyl (TBDPS), tert-butyldimethylsilyl (TBDMS), etc.
- TDPS tert-butyldiphenylsilyl
- TDMS tert-butyldimethylsilyl
- R 11 can be removed.
- R 12 and R 13 are taken together to form a group represented by the formula —C (CH 2) —, an acid (for example,
- a known removal method can be selected.
- this hydrolysis can be carried out by treatment with an acid (eg, trifluoroacetic acid, hydrochloric acid, acetic acid, etc.).
- an acid eg, trifluoroacetic acid, hydrochloric acid, acetic acid, etc.
- this acid treatment for example, in the formula (R), when R 12 and R 13 are taken together to form a group represented by the formula —C (CH 3) —,
- R 5 is represented by the formula (XI) in the formula (XI). You can make it home-made with reference to the method for producing the nucleoside analog that is the group of 8).
- R 1 is a group of the formula (1), a group of the formula (1), the functional group of which is protected with a protecting group, the formula (2)
- the functional group is protected with a protective group
- the group of formula (3) the functional group is protected with a protective group.
- the functional group is protected by a protecting group, in the group of the formula (6), in the group of the formula (6), A group in which the functional group is protected with a protecting group, a group of the formula (7), a group of the formula (7), a group in which the functional group is protected with a protecting group, a group of the formula (8), And, in the group of the formula (8), the functional group is any group selected as a basic group power protected by a protecting group, R 2 is a protecting group, and R 3 is a protecting group. , R 4 is an activated phosphate group for solid phase synthesis, and an example of a method for producing a nucleoside analog represented by the following formula (XXXIV) or a salt thereof will be described.
- R 5 represents a group of the formula (1), a group of the formula (1) in which the functional group is protected with a protecting group, and the group of the formula (2)
- the functional group is protected with a protective group
- the functional group is protected with a protective group
- the functional group is protected with a protecting group
- the functional group is a protecting group.
- a group in which the functional group is protected with a protective group, the group of the formula (8), and the group of the formula (8), wherein the functional group is a group protected with a protective group. is any group selected, R 11 is coercive Mamorumoto der , R 22 is a protecting group, R 23 is a solid-phase synthesis activating phosphate group.
- the activated phosphate group for solid phase synthesis of R 23 a conventionally known phosphate group can be used in solid phase synthesis, such as phosphoramidite, phospho Examples thereof include phosphate groups that form narate, thiophosphite, and the like.
- Examples of the activated phosphate group for solid phase synthesis that forms phosphoramidite include a group represented by the following formula (10).
- R 5 represents the group of the formula (1), the group of the formula (1), the functional group of which is protected with a protecting group, the group of the formula (2), the formula In the group of (2), the functional group is protected with a protecting group, the group of the formula (3), the group of the formula (3), the functional group of which is protected with a protecting group, the formula In the group of (4), in the group of the formula (4), the functional group is a group protected with a protecting group, in the group of the formula (5), the functional group is protected with a protecting group, the formula In the group of (6), in the group of formula (6), the functional group is protected with a protecting group, in the group of formula (7), and in the group of formula (7), the functional group is a protecting group.
- any of the group forces that are the groups whose functional groups are protected by the protecting group are also selected
- R 11 is a protecting group
- R 22 is R 23 is an activated phosphate group for solid phase synthesis
- X 5 and X 6 are halogen atoms.
- the halogen atom is a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, or the like.
- a compound represented by the formula (XXX) can be obtained by removing R 12 and R 13 from the compound represented by the formula (XI).
- a known removal method can be selected depending on the respective groups of R 12 and R 13 .
- R 12 and R 13 together are a group represented by the formula —C (CH 2) 1, an acid (eg, trifluoroacetic acid, hydrochloric acid, acetic acid, etc.)
- R 12 and R 13 can be removed simultaneously.
- the compound represented by) may be obtained commercially or made in-house using known literature.
- the compound represented by the formula ( ⁇ ) is added to the compound represented by the formula ( ⁇ ), optionally in the presence of a base (eg, diisopropylethylamine). Condense
- R 1 is a group of the formula (5)
- R 2 is a protecting group
- R 3 is a protecting group
- R 4 is an activity for solid phase synthesis.
- R 11 is a protecting group
- R is a protecting group
- X 3 is a halogen atom.
- K, 1, m and n are mutually exclusive It is an integer from 1 to 10.
- R 11 is a protecting group
- R 22 is a protecting group
- R 23 is an active phosphoric acid group for solid phase synthesis
- X 3 , X 5 and X 6 Is a halogen atom
- k, 1, m and n are each independently an integer of 1 to 10.
- the compound represented by the formula ( ⁇ ) by removing the R 12 and R 13, it is possible to obtain a compound represented by the formula (XXXV).
- a known removal method can be selected depending on the respective groups of R 12 and R 13 .
- R 12 and R 13 together are a group represented by the formula C (CH) 1, an acid (eg, trifluoroacetic acid, hydrochloric acid, acetic acid)
- the compound represented by the formula (XXXV) is converted into a compound represented by the formula (XXXI), optionally a base (for example, pyridine and the like), and a catalyst (for example, dimethylamino).
- a compound represented by the formula (XXXVI) can be obtained.
- the compound represented by the formula (XXX I) may be obtained commercially or made in-house using known literature. A little.
- a compound in which one of the three hydroxyl groups of the nucleoside analog of the present invention is activated with an activated phosphate group for solid phase synthesis and the remaining two hydroxyl groups are protected is prepared.
- a compound represented by the above formula (XXXIV) or a compound represented by the above formula (XX XVII) can be used.
- the activated phosphate group for solid-phase synthesis a conventionally known phosphate group can be used in solid-phase synthesis, and examples thereof include phosphate groups that form phosphoramidites, phosphonates, thiophosphites, and the like. It is done.
- the oligonucleotide analog of the present invention can be used, for example, by subjecting this active compound to the sequence of the oligonucleotide analog using a conventionally known technique in the field of oligonucleotide synthesis.
- nucleoside can be sequentially coupled on a solid phase.
- nucleoside As the nucleoside, coupling reagent, deprotection reagent, washing reagent, etc., those usually used for nucleic acid solid phase synthesis are used.
- the obtained oligonucleotide analog on the solid phase carrier is subjected to deprotection of the oligonucleotide side chain if necessary, and then the solid phase carrier force is cleaved to obtain a crude oligonucleotide analog.
- the reagent used for excision can be appropriately selected from conventionally known reagents according to the structure of the solid phase carrier and the linker (part connecting the solid phase carrier and the oligonucleotide analog).
- This crude oligonucleotide analog may be purified by HPLC or the like, if necessary.
- Double stranded oligonucleotide Chid analogues can be obtained.
- This double-stranded oligonucleotide analogue can be isolated and purified by further performing phenol Z chromatography, ethanol precipitation, etc., if necessary.
- a protecting group may be introduced into each functional group, the protecting group may be deprotected, or the protecting group may be changed.
- the selection of a protecting group according to the type of the functional group, the introduction of the protecting group, and the removal of the protecting group can be performed according to methods known in the art. For example, “protective group in organic synthesis (“ Protective group ” "Groups in Organic Synthesis j, T. Greene et al., John Wiley & 3 ⁇ 4ons, Inc.” can be referred to.
- TBDPS-C1 tert-butyldiphenylsilylchlori de
- the obtained organic layer was washed successively with a saturated aqueous NaCl solution and a saturated aqueous NaHCO solution and dried. Remove solvent from the organic layer
- an oligonucleotide analog (DNA type) was produced by the phosphoramidite method using an automatic nucleic acid synthesizer and CPG resin.
- the sequence represented by 2 includes 9- [2— (2 diaminoethoxy-N, N diisopropylaminophosphorooxymethyl-2- (4,4′-dimethoxytrityloxy) prepared in Example 8. ) 3-tert-butyldiphenylsilyloxy) propyl] N 6 benzoyladenine was introduced as the nucleoside monomer.
- Other sequences were introduced using deoxyribose type nucleosides. 1 ⁇ mol CPG resin for solid phase synthesis was used, and each condensation time was 1 minute.
- oligonucleotide bound to the CPG resin was reacted in a 28% aqueous ammonia solution (1.5 mL) at 55 ° C for 12 hours.
- the reaction mixture was concentrated under reduced pressure.
- TBAF solution (1 mL) was added to the resulting concentrate, and the mixture was stirred at room temperature for 12 hours to deprotect the silyl group.
- the resulting mixture was then diluted with 0.1 M TEAA buffer (30 mL). This mixture was subjected to C-18 reverse phase column chromatography (Sep—Pak) (eluent: water, 50% CH CN (2 mL)), and similar to the desired single-stranded oligonucleotide
- the 0.1 M TEAA buffer used in Example 9 was prepared as follows. First, add a mixture of 2N acetic acid (114.38mL) and triethylamine (277.6mL).
- a single-stranded oligonucleotide was obtained in the same manner as in Example 9 according to the base sequence of SEQ ID NO: 2 (see the base sequence shown below) instead of SEQ ID NO: 1.
- the oligonucleotide analog consisting of SEQ ID NO: 1 (0.8 nmmol) prepared in Example 9 was dissolved in annealing buffer (10 mM sodium phosphate (pH 7.0) and 1 M NaCl). Incubate the solution at 90 ° C for 1 minute, then at 37 ° C for 1 hour, from the oligonucleotide analog consisting of SEQ ID NO: 1 and SEQ ID NO: 2, such as the base sequence shown below.
- annealing buffer 10 mM sodium phosphate (pH 7.0) and 1 M NaCl
- a single-stranded oligonucleotide was produced in the same manner as in Example 9 according to the base sequence of SEQ ID NO: 3 (see the base sequence shown below) instead of SEQ ID NO: 1.
- Example 10 instead of the oligonucleotide analogue consisting of SEQ ID NO: 1 produced in Example 9 and using the oligonucleotide consisting of SEQ ID NO: 3 produced in Comparative Example 1, as in Example 10, A double-stranded oligonucleotide analogue was obtained that also had the oligonucleotide consisting of SEQ ID NO: 3 and the oligonucleotide consisting of SEQ ID NO: 2.
- Table 1 shows the measured Tm values of the double-stranded oligonucleotide analog produced in Example 10 and the double-stranded oligonucleotide produced in Comparative Example 2.
- Example 11 In the same manner as in Example 11 except that the oligonucleotide consisting of SEQ ID NO: 3 prepared in Comparative Example 1 was used instead of the oligonucleotide analog consisting of SEQ ID NO: 1 prepared in Example 9, the 5 ′ end was An oligonucleotide consisting of SEQ ID NO: 3 labeled with 32 P isotope was obtained.
- the exonuclease resistance of the single-stranded oligonucleotide analog consisting of SEQ ID NO: 1 obtained in Example 11 and the natural single-stranded oligonucleotide consisting of SEQ ID NO: 3 obtained in Comparative Example 3 was evaluated.
- snake venom phosphorodiesterase SVP
- SVP selectively cleaves phosphodiester bonds and cleaves oligonucleotides into 5, monomonophosphate nucleotides.
- the 10 M single-stranded oligonucleotide analog solution was prepared by adding SEQ ID NO: produced in Example 9 to the single-stranded oligonucleotide analogue (lOOpmol) consisting of SEQ ID NO: 1 produced in Example 11.
- a single-stranded oligonucleotide analog (400 pmol) consisting of 1 was prepared and adjusted to 10 M using sterile water.
- a 10 M single-stranded oligonucleotide solution was also prepared as described above.
- each reaction solution (5 1) was added to each Eppendorf tube containing the loading solution (7 M urea XC BPB; 5 L).
- the sample after 0 minutes does not contain the SVP aqueous solution.
- the obtained samples at each time were electrophoresed by PAGE with 20% urea and separated in a gel.
- the gel was contacted with an imaging plate to transfer the separated image in the gel. This image was captured using a bioimaging analyzer (trade name: BAS2000, manufactured by Fuji Photo Film Co., Ltd.), and image processing was performed using RI image analysis software. The results are shown in Fig. 1.
- single-stranded oligonucleotide analogues are compared with natural single-stranded oligonucleotides, It was confirmed that exonuclease resistance was improved. In addition, as shown in FIG. 1, it was confirmed that the single-stranded oligonucleotide analog exhibited nuclease resistance not only at site 1 but also at site 2. This site 1 is the binding site between the nucleoside analog and the natural nucleoside. Site 2 is a binding site between natural nucleosides.
- nucleoside analog of the present invention is useful, for example, as a nucleoside for producing an oligonucleotide for a test kit.
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EP05783620A EP1798225A1 (en) | 2004-09-16 | 2005-09-16 | Nucleoside analogues or salts thereof |
JP2006535227A JP4887500B2 (ja) | 2004-09-16 | 2005-09-16 | ヌクレオシド類似体またはその塩 |
US11/663,086 US20070249548A1 (en) | 2004-09-16 | 2005-09-16 | Nucleoside Analog or Salts of the Same |
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JP2004270103 | 2004-09-16 | ||
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WO2006030906A1 true WO2006030906A1 (ja) | 2006-03-23 |
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US (1) | US20070249548A1 (ja) |
EP (1) | EP1798225A1 (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009136157A (ja) * | 2007-12-03 | 2009-06-25 | Gifu Univ | オリゴヌクレオチド類似体またはその塩 |
JP2013501724A (ja) * | 2009-08-07 | 2013-01-17 | ダウ アグロサイエンシィズ エルエルシー | 5−フルオロピリミジノン誘導体 |
JP2013533274A (ja) * | 2010-07-27 | 2013-08-22 | 蘇州瑞博生物技術有限公司 | ヌクレオチド及び/又はオリゴヌクレオチド並びにその合成方法 |
Families Citing this family (5)
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JP5199519B2 (ja) * | 2010-11-30 | 2013-05-15 | 独立行政法人科学技術振興機構 | ヌクレオシド類縁体又はその塩、オリゴヌクレオチド類縁体、遺伝子発現抑制剤、及び遺伝子検出用核酸プローブ |
UA115462C2 (uk) | 2012-12-28 | 2017-11-10 | Адама Махтешім Лтд. | Похідні n-(заміщеного)-5-фтор-4-іміно-3-метил-2-оксо-3,4-дигідропіримідин-1(2h)-карбоксилату |
UA117743C2 (uk) | 2012-12-28 | 2018-09-25 | Адама Махтешім Лтд. | N-(заміщені)-5-фтор-4-іміно-3-метил-2-оксо-3,4-дигідропіримідин-1(2h)-карбоксамідні похідні |
MX2015008565A (es) | 2012-12-31 | 2015-09-07 | Dow Agrosciences Llc | Derivados de 3-alquil-5-fluoro-4-sustituido-imino-3,4-dihidropirim idin-2(1h)-ona como fungicidas. |
CN111094252B (zh) | 2017-07-17 | 2024-05-24 | 阿达玛克西姆股份有限公司 | 5-氟-4-亚氨基-3-甲基-1-甲苯磺酰基-3,4-二氢嘧啶-2-酮的多晶型物 |
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JPH02121992A (ja) * | 1988-09-21 | 1990-05-09 | Beecham Group Plc | 化合物の製造方法 |
WO1995022330A1 (en) * | 1994-02-17 | 1995-08-24 | Commonwealth Scientific And Industrial Research Organisation | Antiviral agents |
-
2005
- 2005-09-16 EP EP05783620A patent/EP1798225A1/en not_active Withdrawn
- 2005-09-16 WO PCT/JP2005/017168 patent/WO2006030906A1/ja active Application Filing
- 2005-09-16 JP JP2006535227A patent/JP4887500B2/ja active Active
- 2005-09-16 US US11/663,086 patent/US20070249548A1/en not_active Abandoned
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JPH02121992A (ja) * | 1988-09-21 | 1990-05-09 | Beecham Group Plc | 化合物の製造方法 |
WO1995022330A1 (en) * | 1994-02-17 | 1995-08-24 | Commonwealth Scientific And Industrial Research Organisation | Antiviral agents |
Non-Patent Citations (2)
Title |
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BAILEY S. AND HARNDEN M.R.: "Analogues of the Antiviral Acyclonucleoside 9-(4-Hydroxy-3-hydroxymethylbutyl) guanine., Part 2. Substitutions on C-1' and C-3' of the Acyclic N-9 Substituent", J.CHEM.SOC. PERKIN TRANS. I, 1988, pages 2767 - 2775, XP002999802 * |
UENO Y. ET AL: "Tobu Kaikangata Adenosine o Fukumu DNA no Gosei to Sono Nihonsa, Sanbonsa Kakusan Keiseino. (Synthesis and Properties of Oligodeoxynucleotides Containing Acyclic Adenosine Analogues)", THE CHEMICAL SOCIETY OF JAPAN DAI 83 KAI SHUNKI NENKAI-KOEN YOKOSHU, no. 2, 3 March 2002 (2002-03-03), pages 1113, 2 G8-50, XP002999803 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009136157A (ja) * | 2007-12-03 | 2009-06-25 | Gifu Univ | オリゴヌクレオチド類似体またはその塩 |
JP2013501724A (ja) * | 2009-08-07 | 2013-01-17 | ダウ アグロサイエンシィズ エルエルシー | 5−フルオロピリミジノン誘導体 |
JP2013533274A (ja) * | 2010-07-27 | 2013-08-22 | 蘇州瑞博生物技術有限公司 | ヌクレオチド及び/又はオリゴヌクレオチド並びにその合成方法 |
US9567364B2 (en) | 2010-07-27 | 2017-02-14 | Suzhou Ribo Life Sciene Co., Ltd. | Nucleotide and/or oligonucleotide and preparation process thereof |
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JPWO2006030906A1 (ja) | 2008-05-15 |
US20070249548A1 (en) | 2007-10-25 |
JP4887500B2 (ja) | 2012-02-29 |
EP1798225A1 (en) | 2007-06-20 |
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