WO1991006555A1 - Nucleoside derivative - Google Patents
Nucleoside derivative Download PDFInfo
- Publication number
- WO1991006555A1 WO1991006555A1 PCT/JP1990/001371 JP9001371W WO9106555A1 WO 1991006555 A1 WO1991006555 A1 WO 1991006555A1 JP 9001371 W JP9001371 W JP 9001371W WO 9106555 A1 WO9106555 A1 WO 9106555A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- hydrogen atom
- silyl
- doxyinosine
- deoxyinosine
- Prior art date
Links
- 150000003833 nucleoside derivatives Chemical class 0.000 title claims abstract description 18
- RPZDLTVHZJHPAW-BAJZRUMYSA-N 9-[(2r,3r,5s)-3-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-3h-purin-6-one Chemical compound O1[C@H](CO)C[C@@H](O)[C@@H]1N1C(NC=NC2=O)=C2N=C1 RPZDLTVHZJHPAW-BAJZRUMYSA-N 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims description 69
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 47
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 229910052757 nitrogen Inorganic materials 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 24
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 21
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 13
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 13
- 150000003839 salts Chemical class 0.000 claims description 12
- 125000002252 acyl group Chemical group 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000003904 antiprotozoal agent Substances 0.000 claims description 5
- 239000004480 active ingredient Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 230000000884 anti-protozoa Effects 0.000 abstract description 2
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 abstract 2
- 229960003459 allopurinol Drugs 0.000 abstract 2
- 230000002411 adverse Effects 0.000 abstract 1
- KFQUAMTWOJHPEJ-DAGMQNCNSA-N allopurinol riboside Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C(N=CNC2=O)=C2C=N1 KFQUAMTWOJHPEJ-DAGMQNCNSA-N 0.000 abstract 1
- 230000003389 potentiating effect Effects 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 48
- -1 arobrynol riboside Chemical class 0.000 description 33
- 239000000243 solution Substances 0.000 description 26
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 21
- 239000000203 mixture Substances 0.000 description 21
- 238000002360 preparation method Methods 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
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- 238000002844 melting Methods 0.000 description 10
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
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- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
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- 229930010555 Inosine Natural products 0.000 description 5
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- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
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- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- 229940126585 therapeutic drug Drugs 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000002255 vaccination Methods 0.000 description 1
- YEIGUXGHHKAURB-VAMGGRTRSA-N viridin Chemical compound O=C1C2=C3CCC(=O)C3=CC=C2[C@@]2(C)[C@H](O)[C@H](OC)C(=O)C3=COC1=C23 YEIGUXGHHKAURB-VAMGGRTRSA-N 0.000 description 1
- 108010086097 viridin Proteins 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 238000005550 wet granulation Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- SXPUVBFQXJHYNS-UHFFFAOYSA-N α-furil Chemical compound C=1C=COC=1C(=O)C(=O)C1=CC=CO1 SXPUVBFQXJHYNS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
-
- 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
- C07H19/16—Purine radicals
-
- 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
- C07H19/23—Heterocyclic radicals containing two or more heterocyclic rings condensed among themselves or condensed with a common carbocyclic ring system, not provided for in groups C07H19/14 - C07H19/22
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H23/00—Compounds containing boron, silicon or a metal, e.g. chelates or vitamin B12
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- the present invention relates to a novel nucleoside derivative and an antiprotozoal agent comprising the same as an active ingredient.
- Infections caused by parasites that occur mainly in the tropics and subtropics include Trivanosoma infections (sleeping illness, Jagas disease) and leishmania that originate from the parasites belonging to the genus Trypanosoma.
- Leishmaniasis calazal, oriental aneurysm, American leishmaniasis
- Leishmania derived from parasites belonging to the genus (Le ishmania) are known.
- inosine analogs such as 3'-doxyinosine and carbocyclic inosine are effective against the above-mentioned infectious diseases, and also have strong side effects such as those used in conventional drugs.
- inosine analogs such as 3'-doxyinosine and carbocyclic inosine
- the present inventors have conducted various studies to achieve the enhancement of the main action effect of the inosine analog, and as a result, a nucleoside derivative represented by the following formula [I] or a pharmaceutically acceptable salt thereof Have a strong antiprotozoal activity, and have completed the present invention.
- a and B are different and represent a carbon atom or a nitrogen atom
- Y is a hydrogen atom, a hydroxyl group or 10 R
- each R is the same or different and is a hydrogen atom, an aralkyl group, a silyl group or an ⁇ Represents a sil group.
- compounds represented by the following combinations are excluded.
- A is a nitrogen atom
- B is a carbon atom
- Y is a hydroxyl group or 10 R
- each R is the same or different
- each is a hydrogen atom, an aralkyl group, a silyl group or an acyl group (aralkyl of inosine and inosine).
- A is a nitrogen atom
- B is a carbon atom
- Y is a hydrogen atom
- each R is a hydrogen atom at the same time (3'-doxyinosine)
- A is a carbon atom
- B is a nitrogen atom
- Y is a hydroxyl group
- each R is a hydrogen atom at the same time (aropurinol riboside)]
- the present invention relates to a nucleoside derivative represented by the above formula [1] or a pharmaceutically acceptable salt thereof, and an antiprotozoal agent containing them as an active ingredient. .
- FIG. 1 shows the therapeutic effect of the test compound on mice infected with Leishmania donovani.
- Figure 2 shows the change in body weight two weeks after Leishmania donovani vaccination.
- FIG. 3 shows the weight of the spleen and liver.
- Figure 4 shows the hematocrit and plasma protein levels.
- the compound of the present invention is represented by the above formula [I], wherein the acyl groups represented by each R are the same or different, and
- R 1 represents an alkyl group, an aralkyl group, or an aryl group.
- the alkyl group refers to a group having a straight chain or a branched chain having 1 to 19 carbon atoms, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, and the like.
- alkyl groups those having 5 or more carbon atoms are particularly preferable.
- An aralkyl group refers to an unsubstituted or substituted alkyl group, such as benzyl, 1-phenylethyl, methylbenzinole, benzobenzil (fluorobenzil, crobenzil, etc.) Toxylbenzyl, dimethoxybenzyl, nitrobenzyl, phenethyl, picolinol. 3-indylmethyl and the like.
- An aryl group is an unsubstituted or substituted aryl group And include, for example, phenyl, tril, xylyl, mesitinole, kumeninole, ethinolefe / ⁇ , norofezenore (fluorophenyl, black mouth phenyl, rhodophenyl, butyl).
- Aralkyl group represented by each R in formula (1) is different was the same or can and this include the same as those exemplified in the above-described R 1.
- the silyl group represented by each R in the formula [1] is the same or different, and is an alkylsilyl group, specifically, trimethylsilyl. Triethylsilyl, methyldiisopropylsilyl, or trimethylsilyl. Examples include isoprovirsilyl, tert-butyldimethylsilyl, methyldi-tert-butylsilyl, and texyldimethylsilyl.
- the compound of the present invention may be a pharmaceutically acceptable salt of the nucleoside derivative represented by the formula [I].
- salts include metal salts with sodium, potassium, calcium and the like.
- the compound of the present invention represented by the formula (I) has a structure 0
- the chemical structure may be keto-type (_HN—C-I).
- each R is the same or different and each represents a hydrogen atom, an aralkyl group, a silyl group or an acyl group, except for compounds in which each R is a hydrogen atom at the same time.
- Deoxyinosine derivatives are exemplified.
- Y is a hydrogen atom, a hydroxyl group or one OR, and each R is as defined above. However, when Y is a hydroxyl group, a compound in which each R is a hydrogen atom at the same time is excluded.) Loprinol riboside derivative or aloprinol-1'-doxyliboside and its derivative can be obtained.
- Y ′ represents a hydrogen atom or one OR 4 (R 4 represents a hydrogen atom or a hydroxyl-protecting group), and R 2 and R 3 represent a hydrogen atom or a hydroxyl-protecting group.
- R 4 represents a hydrogen atom or a hydroxyl-protecting group
- R 2 and R 3 represent a hydrogen atom or a hydroxyl-protecting group.
- Y ' is - in the case of OR 4 is R' may form a protective group of the hydroxyl groups of connexion cyclic such together with R 2 or R 3.
- X is a leaving group, and R 1 is as defined above.
- H a 1 R 5 (IV) (Wherein, H al represents a halogen atom, R 5 is aralkyl or an silyl group.) Can be prepared by a method of removing at reacted with compounds represented by, optionally hydroxyl-protecting group it can.
- A is a nitrogen atom
- B is a carbon atom
- Y ' is a hydrogen atom
- 3 R 2 and R 3 is represented by hydrogen atoms' - Dokishii Bruno Singh
- A is a carbon atom
- B is a nitrogen atom
- Y ' is a hydroxyl group
- a carbon atom, B is a nitrogen atom
- Y ' is a hydrogen atom
- Aropurinoru one 3 R 2 and R 3 is represented by hydrogen atoms' -
- Dokishiri placements de but are novel compounds, condensation of Aropuri Roh one Ruri placements de 1-10-Acetyl-2,3,5—Tri-1 0— ⁇ Sozoyl ⁇ -1D—In place of Ribofuranoose, used in preparation by a legal process 110—Acetyl-2,5 G-1 0— It can be prepared by the same method as that of arobrinol riboside by using benzoyl-5 / 5-D-3-doxylibofuranose [Tetrahedron Letters, 24. 2141-2144 (1977)) ⁇
- the hydroxyl-protecting group or the cyclic hydroxyl-protecting group represented by R 2 , R 3 and R 4 may be any of those commonly used as hydroxyl-protecting groups, such as acetyl and propionyl. , Butyryl, benzoyl, naphthyl and other acyl groups; ethylidene, propylidene, isopropylidene, benzylidene, cyclohexylidene, Acetal or ketal-type protecting groups, such as clopentylidene, methoxymethylidene, ethoxymethylidene, and dimethoxymethylidene; benzyl, p-methoxybenzyl, 3,4-dimethoxybenzyl, diphenylmethyl, triphenylmethyl, Or an aralkyl group such as naphthylmethyl and ⁇ -naphthyldiphenylmethyl; trimethylsilyl, tert-buty
- the introduction of a protecting group can be carried out according to a conventional method.
- a silyl group when a silyl group is introduced, one mole of the compound before the introduction of the protecting group is added with a silylating agent (for example, silyl halide).
- a reaction solvent for example, pyridine, vicoline, getyl aniline, dimethyl amino pyridine, dimethyl formamide, acetonitrine, tetrabutylamine, triethylamine, etc.
- the reaction can be easily carried out by reacting in a single solvent such as mine or a mixed solvent) at 0 to 50 for 1 to 30 hours.
- the leaving group represented by X in the compound represented by the formula [ ⁇ ] compound to be reacted with the compound [ ⁇ ] may be a halogen atom, an acyloxy group, an acyloxycarbonyl group, a succinimidoxy group or a phthalimidoxy group. And 4-nitrophenyl, azide and 2,4,6-triisopropylbenzenesulfonyl groups.
- the aralkyl group and the silyl group represented by R 6 in the compound of the formula [IV] the same groups as those described above for R can be exemplified.
- the reaction between the compound of the formula (III) and the compound of the formula (DI) or the compound of the formula (IV) is carried out by using 1 to 10 times the mole of the compound of the formula (III) or the formula (IV) per mole of the compound of the formula (III).
- Solvents single or mixed solvents such as viridine, dioxane, tetrahydrofuran, acetonitrile chlorofozolem, dichloromethane, methanol, ethanol, water
- 0 ⁇ 10 O′C> In the above-mentioned reaction, when reacting the compound of the formula [D] with the compound of the formula [ ⁇ ], the triethylamine is added to the reaction solution.
- reaction When reacting a compound of the formula [ ⁇ ] with a compound of the formula [IV] (where R 5 is an alkyl group), the reaction is carried out by adding sodium hydride to the reaction mixture. It can proceed efficiently.
- the compound of the present invention thus prepared is subjected to a conventional method such as a chromatography method, a recrystallization method, a sedimentation method, and an extraction method as appropriate, after removing a protecting group for a hydroxyl group as necessary. It can be isolated and purified.
- the compound of the present invention exhibits an antiprotozoal activity and is effective as an antiprotozoal agent.
- the compounds of the present invention show remarkable growth inhibitory activity.
- the compound of the present invention can be orally or parenterally administered to a human animal by various administration methods.
- Oral preparations can be solid preparations such as powders, granules, capsules and tablets, or liquid preparations such as capsules and elixirs.
- Parenteral preparations include injections, rectal preparations, external preparations for skin, and inhalants. These preparations can be produced according to a conventional method by adding a pharmaceutically acceptable preparation auxiliary to the compound of the present invention. Furthermore, it is also possible to prepare a sustained-release preparation by a known technique.
- the compound of the present invention is mixed with excipients such as lactose, starch, crystalline cellulose, calcium lactate, calcium hydrogen phosphate, magnesium metasilicate aluminate, and citric anhydride.
- excipients such as lactose, starch, crystalline cellulose, calcium lactate, calcium hydrogen phosphate, magnesium metasilicate aluminate, and citric anhydride.
- binders such as sucrose, hydroxypropyl cellulose, polypyrrolopyridone, and disintegrants such as carboxymethyl cellulose and canoleboxime cellulose cellulose Add wet or dry granulation to the condyles Granules.
- these powders and granules may be compressed as they are or by adding a lubricant such as magnesium stearate or talc.
- these granules or tablets are coated with an enteric base such as hydroxypropyl methylcellulose phthalate or methyl methacrylate copolymer, and enteric-coated preparations, or ethyl cellulose, carnauba wax, hydrogenated oil, etc.
- enteric base such as hydroxypropyl methylcellulose phthalate or methyl methacrylate copolymer
- enteric-coated preparations or ethyl cellulose, carnauba wax, hydrogenated oil, etc.
- a liquid preparation for oral administration the compound of the present invention and a sweetener such as sucrose, sorbitol, or glycerin are dissolved in water to give a clear syrup, or an essential oil or ethanol Or an elixir, or a gum or gum arabic, tragacanth, polysorbate 80, sodium carboxymethylcellulose, etc. to form an emulsion or suspension.
- a sweetener such as sucrose, sorbitol, or glycerin
- a sweetener such as sucrose, sorbitol, or glycerin
- a sweetener such as sucrose, sorbitol, or glycerin
- a sweetener such as sucrose, sorbitol, or glycerin
- a sweetener such as sucrose, sorbitol, or glycerin
- the compound of the present invention may be used, if necessary, with hydrochloric acid, sodium hydroxide, lactic acid, sodium lactate, sodium monohydrogen phosphate, sodium dihydrogen phosphate. Dissolved in distilled water for injection together with a pH adjuster such as sodium chloride and an isotonic agent such as sodium chloride and glucose, and sterile filtered to fill the amble. Alternatively, mannitol, dextrin, cyclodextrin, gelatin, etc. may be added and freeze-dried to prepare a dissolvable injection for use. In addition, lecithin, polysorbate 80, polyoxyethylene hydrogenated castor oil and the like can be added to the compound of the present invention and emulsified in water to prepare an emulsion for injection.
- the compound of the present invention is heated and melted together with a suppository base such as cocoa fatty acid tri-, di- or monoglyceride, or polyethylene daricol, It may be poured into a mold and cooled, or the compound of the present invention may be dissolved in polyethylene glycol, soybean oil, or the like, and then coated with a gelatin film.
- a suppository base such as cocoa fatty acid tri-, di- or monoglyceride, or polyethylene daricol
- the compound of the present invention is added to white cellulose, beeswax, liquid paraffin, polyethylene glycol, etc., and, if necessary, heated to form an ointment. Or kneaded with an adhesive such as rosin or alkyl acrylate diester polymer, and then spread on a non-woven fabric such as polyethylene to form a tape.
- an adhesive such as rosin or alkyl acrylate diester polymer
- the compound of the present invention is dissolved or dispersed in a propellant such as phenyl gas or carbon dioxide and filled into a pressure-resistant container to form an aerosol.
- a propellant such as phenyl gas or carbon dioxide
- the dose of the compound of the present invention varies depending on the age, body weight and disease state of the patient, but is usually about 0.1 mg to 1 g per person per day, and it is desirable to administer the compound once or several times. .
- the present invention will be specifically described with reference to synthesis examples and test examples.
- the obtained sediment was crystallized from hot water ethanol to obtain 5'-0-stearoyl-3'-deoxyxyinocin 66 mg (yield 63.6%).
- the solvent was distilled off under reduced pressure, azeotroped with ethanol, and concentrated to dryness under reduced pressure.
- the residue was purified by silica gel column (2.5 x 30 cm) (elution solvent: 30% ethanol / chloroform), and crystallized from hot aqueous ethanol to give 5 '— 0—palmitoyl 3' — deoxyinosine 5 37 mg (37% yield) was obtained.
- 3,4-Doxyinosine 504 m (2 mmol) and 4 dimethylamino viridine 20 mg were added to a mixture of anhydrous pyridine (15 M) and dimethylformamide 10.
- 2.42 g (8 mmol) of a steer-mouth-type mouth-ride was added, and the mixture was stirred and reacted at 70'C for 8 hours.
- reaction solution was poured into ice water at 300 fflfi, partitioned with a black hole form, the obtained black hole form layer was concentrated under reduced pressure, and the obtained residue was purified using a silica gel column (2.5X2 ⁇ ).
- Solvent 4% ethanol in the form of ethanol and then crystallized from ethanol to give 1.33 g (yield 85%) of 2 ', 5, -di-0-stearoyl-3'-deoxyinosine.
- reaction mixture was partitioned by adding ethyl acetate and water, and the organic solvent layer was purified by silica gel column (2.5 ⁇ 28 cm) (elution solvent: 2% ethanol Z-cloth form) to give 2 '— 0— 1.30 g (90% yield) of stearoyl 5,10-texyldimethylsilyl-13'-deoxyinosine was obtained.
- reaction solution was concentrated to dryness under reduced pressure, and the residue was dissolved in 50 s of ethyl acetate, washed with water, and the solvent was distilled off.
- the residue was purified with a silica gel column (3 x 20 cm) (eluting solvent: 4% ethanol Z-cloth form), and 5'-0- ⁇ -ziryl 1'2'-1 0-tert-butyldimethylsilyl There were obtained 144 mg (63% yield) of 1 3'-deoxyinosine.
- Alloprinol 1 3'-Doxyliboside (328 fflg, 1.3 mmol) is dissolved in viridine (13 ifi), and steal-mouth ilchloride (1.3 g, 4.3 ⁇ 1) is added. The mixture was stirred for 4 hours. The reaction solution was poured into ice water (300), and the resulting precipitate was collected by filtration. Next, a silica gel column (eluent;
- Test Example 1 Therapeutic effect on mice infected with Leishmania don ovani
- mice Five BALBZc mice were prepared in each group (control group, physiological saline administration group, test compound administration group, pentostane administration group), and each group other than the control group was Lishi Yuma Yua ⁇ Donono Ni (Leishmania donovani) 2 3 ⁇ 4 - 1 5 ⁇ was 1 X 1 0 8 pieces inoculated with the strain.
- test compound-administered group was treated with physiological saline 2 hours after the protozoan inoculation.
- test compound 50 ° Zk or 100 kg suspended in 36 water was orally administered for 12 consecutive days.
- the saline-administered saline and pentostane-treated groups were treated with saline or pentostane suspended in saline (40 ng / kg).
- saline or pentostane suspended in saline 40 ng / kg.
- liver stamp sample prepared by a conventional method was fixed with methanol, stained with Kimsa, and the number of amastigotes against 100 hepatocyte nuclei in the liver stamp sample was counted. .
- hematocrit was measured by microcapillary and plasma protein mass was measured by refractometer.
- FIG. 1 shows the therapeutic effect of the test compound on Leishmania donovani-infected mice. No.
- mice to which the compound of the present invention was administered had a smaller number of amastigotes than the mice to which the known 3'-dexoxyinosine was administered, and were able to suppress the growth of Leishmania 'donovani.
- Its inhibitory effect is equivalent to that of pentostane, which is currently used as a therapeutic drug.
- changes in body weight, liver and spleen weight, and the results of measurements of hematocrit and plasma protein are shown in Figs. As is clear from these figures, no significant side effects were observed except for an increase in the spleen.
- the nucleoside derivative of the present invention has a stronger main effect (antiprotozoal action) than conventional 3'-deoxyinosine, and is similar to 3'-doxyinosine. In addition, it has reduced side effects and is useful for ameliorating the disease state caused by antiprotozoa. In particular, the nucleoside derivative of the present invention has a medicinal effect even by oral administration, and thus has an effect that it can be used in countries, regions and places where hygiene is not complete.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1/279437 | 1989-10-26 | ||
JP27943789 | 1989-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991006555A1 true WO1991006555A1 (en) | 1991-05-16 |
Family
ID=17611057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1990/001371 WO1991006555A1 (en) | 1989-10-26 | 1990-10-25 | Nucleoside derivative |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0450102A4 (ja) |
WO (1) | WO1991006555A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12116382B2 (en) | 2022-11-28 | 2024-10-15 | Hongene Biotech Corporation | Functionalized N-acetylgalactosamine analogs |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5594121A (en) * | 1991-11-07 | 1997-01-14 | Gilead Sciences, Inc. | Enhanced triple-helix and double-helix formation with oligomers containing modified purines |
AU6632094A (en) * | 1993-04-19 | 1994-11-08 | Gilead Sciences, Inc. | Enhanced triple-helix and double-helix formation with oligomers containing modified purines |
US5663155A (en) * | 1994-11-30 | 1997-09-02 | The University Hospital | Compositions for the treatment of parasitic infections |
JP2007509994A (ja) * | 2003-11-03 | 2007-04-19 | コグニス・アイピー・マネージメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | アシルリボヌクレオシドおよびアシルデオキシリボヌクレオシド |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60184018A (ja) * | 1984-03-02 | 1985-09-19 | Takeda Chem Ind Ltd | 抗原虫剤 |
-
1990
- 1990-10-25 WO PCT/JP1990/001371 patent/WO1991006555A1/ja not_active Application Discontinuation
- 1990-10-25 EP EP19900915826 patent/EP0450102A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60184018A (ja) * | 1984-03-02 | 1985-09-19 | Takeda Chem Ind Ltd | 抗原虫剤 |
Non-Patent Citations (4)
Title |
---|
Chemische Berichte, Vol. 114, No. 5, p. 1610-1623 (1981), the compounds represented by the formulae 9a and 9b. * |
J. Medicinal Chemistry, Vol. 25, No. 9, p. 1040-1044 (1982), the compound No. 1. * |
J. Medicinal Chemistry, Vol. 26, No. 11, p. 1601-1606 (1983), the compound represented by the formula 9, refer to p. 1604-1605. * |
See also references of EP0450102A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12116382B2 (en) | 2022-11-28 | 2024-10-15 | Hongene Biotech Corporation | Functionalized N-acetylgalactosamine analogs |
Also Published As
Publication number | Publication date |
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EP0450102A4 (en) | 1992-05-06 |
EP0450102A1 (en) | 1991-10-09 |
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