USRE39072E1 - 2-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same - Google Patents

2-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same Download PDF

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USRE39072E1
USRE39072E1 US10/410,387 US41038700A USRE39072E US RE39072 E1 USRE39072 E1 US RE39072E1 US 41038700 A US41038700 A US 41038700A US RE39072 E USRE39072 E US RE39072E
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compound
pharmaceutically acceptable
hydrate
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Kunitomo Adachi
Yoshiyuki Aoki
Tokushi Hanano
Koji Teshima
Yukio Hoshino
Tetsuro Fujita
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Mitsubishi Pharma Corp
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
    • C07C255/16—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound oxygen atoms bound to the same carbon atom of an acyclic carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C225/00—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones
    • C07C225/02—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to acyclic carbon atoms of the carbon skeleton
    • C07C225/14—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being unsaturated
    • C07C225/16—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being unsaturated and containing six-membered aromatic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
    • C07C215/02—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C215/22—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated
    • C07C215/28—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated and containing six-membered aromatic rings
    • C07C215/34—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated and containing six-membered aromatic rings containing hydroxy groups and carbon atoms of six-membered aromatic rings bound to the same carbon atom of the carbon skeleton and at least one hydroxy group bound to another carbon atom of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C223/00—Compounds containing amino and —CHO groups bound to the same carbon skeleton
    • C07C223/02—Compounds containing amino and —CHO groups bound to the same carbon skeleton having amino groups bound to acyclic carbon atoms of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages

Definitions

  • the present invention relates to a 2-aminopropane-1,3-diol compound useful for pharmaceuticals, particularly immunosuppressants, a pharmaceutical use thereof and a synthetic intermediate thereof.
  • WO94/08943 discloses 2-aminopropane-1,3-diol compounds including 2-amino-2-(2-(4-octylphenyl)ethyl)propane-1,3-diol hydrochloride useful as a suppressant of rejection in organ or bone marrow transplantation, or as a therapeutic agent of various autoimmune diseases such as psoriasis, Behçet's disease and the like, and rheumatic diseases.
  • WO96/06068 discloses a benzene compound useful as a suppressant of rejection in organ or bone marrow transplantation or as a therapeutic agent of various autoimmune diseases such as psoriasis, Behçet's disease and the like, and rheumatic diseases.
  • the object of the present invention is to provide a more effective and highly safe compound as a suppressant of rejection in organ or bone marrow transplantation or as a therapeutic agent of autoimmune diseases such as atopic dermatitis, psoriasis, articular rheumatism and Behçet's disease, a pharmaceutical comprising the said compound, and a synthetic key compound of the said compound.
  • the present inventors have made intensive studies in order to achieve the above-mentioned object, and found that, of the 2-aminopropane-1,3-diol compounds represented by the general formula disclosed in WO94/08943 a compound wherein, at the substituent R of this compound, a p-phenylene group in the carbon chain and a phenyl group at the end of the carbon chain are substituted and, in the carbon chain between the said p-phenylene group and the phenyl group, the carbon at the ⁇ -position of the p-phenylene group is substituted by a carbonyl group (these compounds are not disclosed concretely in the said official gazette) possesses less toxicity, high safety and superior immunosuppressive action, which resulted in the completion of the present invention.
  • the present invention relates to the following.
  • the 2-aminopropane-1,3-diol compound according to aforementioned (1) which is 2-amino-2-(2-(4-(1-oxo-5-phenylpentyl)phenyl)ethyl)propane-1,3diol (hereinafter sometimes to be referred to as Compound (I-a)), a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof
  • a pharmaceutical comprising the 2-aminopropane-1,3-diol compound according to the aforementioned (1) or (2), a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof
  • the compound of the present invention (I) is represented by the formula wherein each symbol is as defined above, and has structural characteristic that, in the carbon chain at the 2-position of the 2-aminopropane-1,3-diol skeleton, a p-phenylene group in the said carbon chain and a phenyl group at the end of the said carbon chain are substituted and, in the carbon chain between the said p-phenylene group and the phenyl group, the carbon at the ⁇ -position of the p-phenylene group is substituted by a carbonyl group. Due to this structural characteristic, the compound of the present invention possesses less toxicity and high safety and shows superior immunosuppressive action.
  • the acyl at R 1 , R 2 , R 3 and R 4 is exemplified by a straight or branched chain alkanoyl having 1 to 6 carbon atoms such as formyl, acetyl, propionyl, butyryl, isobutyryl, pentanoyl and hexanoyl; a straight or branched chain alkanoyl having 2 to 6 carbon atoms which is substituted by phenyl, such as phenylacetyl and phenylpropionyl; an aroyl such as benzoyl; an alkoxycarbonyl wherein the alkoxy moiety is a straight or branched chain alkoxy having 1 to 6 carbon atoms, such as methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, tert-butoxycarbonyl, pentyloxycarbonyl, isopenty
  • Examples of the pharmaceutically acceptable acid addition salts of the present compound (I) include salts with an inorganic acid such as hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, nitric acid and phosphoric acid, or salts with an organic acid such as acetic acid, maleic acid, fumaric acid, benzoic acid, citric acid, succinic acid, tartaric acid, malic acid, mandelic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid and 10-camphorsulfonic acid.
  • the present compound can be converted to salts thereof with oxalic acid to obtain crystals.
  • the salts of compound (II) and compound A also include the aforementioned acid addition salts.
  • Examples of the hydrate of the present compound (I) include monohydrate, 1 ⁇ 2 hydrate, 1 ⁇ 5 hydrate, 2 hydrate and 3/2 hydrate.
  • the present invention also encompasses solvates.
  • the amino-protecting group of the compound (II) and compound A useful as a synthetic intermediate for the compound of the present invention is exemplified by an aliphatic acyl such as formyl, acetyl, propionyl, chloroacetyl, dichloroacetyl, trichloroacetyl, trifluoroacetyl, methanesulfonyl and ethanesulfonyl; an aromatic acyl such as phthaloyl, benzoyl, p-nitrobenzoyl, p-tert-butylbenzoyl, p-tert-butylbenzenesulfonyl, benzenesulfonyl and toluene-sulfonyl; a carbonate such as methoxycarbonyl, ethoxycarbonyl, isopropoxycarbonyl, tert-butoxycarbonyl, 2-cyanoethoxycarbonyl, 2,2,2-trich
  • hydroxyl-protecting group of compound (II) and compound A useful as a synthetic intermediate for the compound of the present invention is exemplified by a lower alkyl, which may be substituted, such as methyl, ethyl, propyl, butyl, tert-butyl, pentyl, hexyl, methoxymethyl and methoxyethoxymethyl; an allyl; an aralkyl, which may be substituted, such as benzyl, p-methoxybenzyl, triphenylmethyl and tris(p-methoxyphenyl)methyl; a tri-substituted silyl such as trimethylsilyl, triethylsilyl, tert-butyldimethylsilyl, tri-tert-butylsilyl, methyldiphenylsilyl, ethyldiphenylsilyl, propyldiphenylsilyl and tert-butyldipheny
  • the aliphatic acyl is exemplified by a lower alkanoyl such as formyl, acetyl, propionyl, butyryl, valeryl, pivaloyl, carboxyacetyl, carboxypropionyl, trifluoroacetyl, chloroacetyl, methoxyacetyl and phenoxyacetyl; a carbonate such as methoxycarbonyl, ethoxycarbonyl, isopropoxycarbonyl, tert-butoxycarbonyl, 2,2,2-trichloroethoxycarbonyl, 2,2,2-tribromoethoxycarbonyl and p-nitrophenoxycarbonyl; a sulfonyl such as methanesulfonyl and ethanesulfonyl.
  • a lower alkanoyl such as formyl, acetyl, propionyl, butyryl, valeryl, pivaloyl, carboxyacet
  • the aromatic acyl is exemplified by an aroyl such as benzoyl, toluoyl, naphthoyl, nitrobenzoyl and dinitrobenzoyl; a sulfonyl such as benzenesulfonyl, toluenesulfonyl, naphthalenesulfonyl, fluorobenzenesulfonyl, chlorobenzenesulfonyl, bromobenzenesulfonyl and iodobenzenesulfonyl; and the like.
  • the aliphatic acyl substituted by an aromatic group is exemplified by an arylalkanoyl such as phenylacetyl, phenylpropionyll and phenylbutyryl.
  • the two hydroxyl groups may in combination form a cyclic acetal such as methylene acetal, ethylidene acetal, isopropylidene acetal, benzylidene acetal, anisylidene acetal and 2,4-dimethoxybenzylidene acetal.
  • Oxazolidine and oxazine may be formed together with the hydroxyl group and the amino group.
  • an amino group and/or a hydroxyl group of compound (I) may be protected by these protecting groups, and the protected compound can be used as a synthetic intermediate for compound (I), and occasionally, used as a pharmaceutical by itself.
  • the compound (I) of the present invention can be produced by the following methods.
  • Compound (I-a) wherein R 1 , R 2 , R 3 and R 4 are hydrogen in Compound (I) is produced by the following method. Namely, Compound A wherein an amino group and/or a hydroxyl group are/is protected, is reacted with a compound of the formula (III) [hereinafter referred to as Compound (III)] wherein M is a metal widely employed in the field of organic synthetic chemistry, such as lithium, magnesium chloride, magnesium bromide, magnesium iodide, copper, lithium copper and nickel; and a protecting group is removed, if necessary, to give Compound (II) or a compound thereof wherein an amino group and/or a hydroxyl group are/is protected; followed by oxidation of the hydroxyl group at the ⁇ -position of the phenylene group with a suitable oxidizing agent, and a protecting group is removed, if necessary, to give Compound (I-a).
  • Examples of the organic solvent to be used in the reaction with Compound (III) include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane and acetonitrile.
  • the reaction temperature of the present reaction is generally from ⁇ 100 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction time of the present reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (II) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the oxidizing agent to be used in the oxidation reaction of Compound (II) include chromic acid-sulfuric acid, chromium oxide(VI)sulfuric acid-acetone (Jones reagent), chromiun oxide (VI)-pyridine complex (Collins reagent), dichromate (e.g.
  • Examples of the solvent to be used in the present reaction include water, acetic acid, diethyl ether, tetrahydrofuran, dioxane, acetone, tert-butyl alcohol, methylene chloride, chloroform, hexane, benzene, toluene or a mixture thereof.
  • the reaction temperature of the present reaction is generally from 0 to 100° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction time of the present reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (I-a) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Compound (I), wherein R 1 , R 2 , R 3 and R 4 are acyl is produced by the following method. Namely, Compound (I-a) is protected on demand and reacted with acyl halide in the presence of a base, followed by removal of the protecting group(s) on demand to give the compound wherein the corresponding amino group and/or hydroxyl group are/is acylated. In the present method, Compound (II) instead of Compound (I-a) is reacted and treated in the same manner to allow production of the Compound (II) wherein an amino group and/or a hydroxyl group are/is acylated. Compound (I), wherein R 1 , R 2 , R 3 and R 4 are acyl, is treated with an acid or a base to produce Compound (I-a).
  • Compound A useful as an synthetic intermediate for Compound (I) of the present invention can be produced by the following method.
  • a compound of the general formula (IV) [hereinafter referred to as Compound (IV)] wherein Lv is a leaving group widely employed in the field of organic synthetic chemistry, such as halogen (fluorine, chlorine, bromine, iodine), methanesulfonyloxy, p-toluenesulfonyloxy and trifluoromethanesulfoyloxy, and a compound of the general formula (V) [hereinafter referred to as Compound (V)] wherein R 5 is a lower alkyl such as methyl, ethyl, propyl, isopropyl, butyl and tert-butyl, or aralkyl such as benzyl, nitrobenzyl, methoxybenzyl and methylbenzyl, R 6 is an amino-protecting group widely employed in the field of organic synthetic chemistry, such as acetyl, benzoyl, tert-butoxycarbonyl and benzyloxy
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • organic solvent to be used in the condensation examples include methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane and acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction time of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (VI) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of ester include, for example, a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • Examples of the solvent to be used in the reduction of ester include, for example, water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction of ester is generally from ⁇ 20 to 80° C. and a lower and higher temperature than the said temperature range may be selected on demand.
  • the reaction time of the reduction of ester is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Lewis acid examples include aluminum chloride, titanium tetrachloride, tin tetrachloride, antimony(V) chloride, iron(III) chloride, boron trifluoride, bismuth(III) chloride, zinc chloride and mercury(II) chloride.
  • Examples of the organic solvent to be used in the reaction with dichloromethyl methyl ether include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, methylene chloride, chloroform, dichloroethane, acetonitrile, nitromethane and carbon disulfide.
  • the reaction may be carried out without solvent where necessary.
  • the temperature of the reaction with dichloromethyl methyl ether is generally from ⁇ 20 to 0° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the time of the reaction with dichloromethyl methyl ether is generally from 30 minutes to 24 hours and a longer or shorter reaction time than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Compound A As other methods to synthesize Compound A from Compound (VII) include (1) a method comprising Vilsmeier reaction using N,N-dimethylformamide, N-methylformanilide, N-formylmorpholine or N,N-diisopropylformamide, and a halogenating reagent such as phosphoryl chloride, phosgene, oxalyl chloride, thionyl chloride, triphenylphosphine bromine or hexachlorotriphosphazatriene, and hydrolysis, (2) a method comprising reaction with hexamethylenetetramine in the presence of an acid catalyst (e.g., acetic acid, triphenylacetic acid) and hydrolysis (Duff method), (3) a method comprising reaction of a combination of carbon monoxide and hydrogen chloride, or a combination of formic acid and chlorosulfuric acid, thionyl chloride or phosphorus oxychloride in the presence of aluminum chlor
  • Examples of the formylating agent to be used in the present reaction include formate such as methyl orthoformate, ethyl orthoformate, ethyl formate or lithium formate, or formamide such as N-methylformanilide, N,N-dimethylformamide, N-methyl-N-(2-pyridyl)formamide, 1formylpiperidine, 4-formylmorpholine or ethoxymethyleneaniline produced from ethyl orthoformate and aniline, fluoroformaldehyde (FCHO), formic anhydride ((HCO) 2 O) and acetic formic anhydride (HCOOCOCH 3 ).
  • formate such as methyl orthoformate, ethyl orthoformate, ethyl formate or lithium formate
  • formamide such as N-methylformanilide, N,N-dimethylformamide, N-methyl-N-(2-pyridyl)formamide, 1formylpiperidine, 4-formylmorph
  • organic solvent to be used in the present reaction examples include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane and acetonitrile.
  • the reaction temperature of the present reaction is generally from ⁇ 100 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the present reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound A can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • organic solvent to be used in the condensation examples include methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane and acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XII) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of ester include metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • Examples of the solvent to be used in the reduction of ester include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction of ester is generally from ⁇ 20 to 80° C. and a lower or higher tempeature than the said temperature range may be selected on demand.
  • the reaction period of the reduction of ester is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • organic solvent to be used in the condensation examples include methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XIV) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of ester include metal reducing reagent such as sodium borohydride, lithium borohydride and lithium aluminum hydride, or diborane.
  • Examples of the solvent to be used in the reduction of ester include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction of ester is generally from ⁇ 20 to 80° C. and a lower and higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the reduction of ester is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Examples of the reducing agent to be used in the reduction of azide include metal reducing reagent such as sodium borohydride, lithium borohydride and lithium aluminum hydride, and triphenylphosphine. Catalytic reduction using transition metal such as palladium-carbon, platinum oxide, Raney nickel, rhodium or ruthenium is also effective.
  • Examples of the solvent to be used in the reduction of azide include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, dioxane, ethylene glycol dimethyl ether, acetone, ethyl acetate, acetic acid, benzene, toluene, xylene, dimethylformamide, dimethyl sulfoxide or a mixture thereof.
  • the reaction temperature of the reduction of azide is generally from ⁇ 20 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • a compound of the general formula (XV) [hereinafter to be referred to as Compound (XV)] wherein R 7 is a protecting group of a hydroxyl group widely employed in the field of organic synthetic chemistry; such as acetyl, benzoyl, benzyl, trimethylsilyl, tert-butyldimethylsilyl, methoxymethyl, methoxyethoxymethyl or tetrahydropyranyl, and the two R 7 s may in combination form a ring such as dioxane; is subjected to condensation, in the presence of a base, with Compound (X) to give a compound of the general formula (XVI) [hereinafter referred to as Compound (XVI)] wherein R 7 and Y are as defined above; and the nitro group is subjected to reduction with a suitable reducing agent and protecting group(s) is/are introduced or removed, if necessary, to give Compound A or N- and/or O-protected compound thereof.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • organic solvent to be used in the condensation examples include methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XVI) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of nitro include a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, transition metal such as palladium-carbon, platinum oxide, Raney nickel, rhodium or rutenium for catalytic reduction, a metal such as iron, zinc or tin.
  • a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, transition metal such as palladium-carbon, platinum oxide, Raney nickel, rhodium or rutenium for catalytic reduction, a metal such as iron, zinc or tin.
  • Examples of the solvent to be used in the reduction of nitro include water, methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, dioxane, acetone, ethyl acetate, acetic acid, benzene, toluene, xylene, dimethylformamide, dimethyl sulfoxide or a mixture thereof.
  • the reaction temperature of the reduction of nitro is generally from ⁇ 20 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • organic solvent to be used in the addition examples include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the addition is generally from ⁇ 100 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the addition is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (VI-a) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of ester include a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • Examples of the solvent to be used in the reduction of ester include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction of ester is generally from ⁇ 20 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the reduction of ester is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Compound (XVI) can be also produced by the following method.
  • solvent to be used in the condensation examples include water, methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XX) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the solvent to be used in the condensation with formalin include water, methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform or acetonitrile.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XXI) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reducing agent to be used in the reduction of ester include a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • Examples of the solvent to be used in the reduction of ester include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction of ester is generally from ⁇ 20 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the reduction of ester is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XVI) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Compound (VI-a) can be also produced in the following method.
  • a compound of the general formula (XXII) [hereinafter referred to as Compound (XXII)] wherein R 5 is as defined above; and Compound (X) are subjected to condensation in the presence of a base to give a compound of the general formula (XXIII) [hereinafter referred to as Compound (XXIII)] wherein R 5 and Y are as defined above; the obtained compound is reacted, in the presence of a base, with an amination agent of the general formula (XXIV) H 2 N—La (XXIV) wherein Le is a leaving group such as 2,4-dinitrophenoxy; and protecting group(s) is/are introduced or removed if necessary to give Compound (VI-a).
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • solvent to be used in the condensation examples include water, methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XXIII) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the base to be used in the amination reaction include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexamethyldisilazane, triethylamine, diisopropylethylamine and 1,8-diazabicyclo[5.4.0]undec-7-ene.
  • Examples of the solvent to be used in the amination reaction include water, methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the amination reaction is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the amination reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (VI-a) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • the compound (I-a) of the present invention can be also produced by the following method.
  • Examples of the Lewis acid to be used in the reaction with dichloromethyl methyl ether include aluminum chloride, titanium tetrachloride, tin tetrachloride, antimony(V) chloride, iron(III) chloride, boron trifluoride, bismuth(III) chloride, zinc chloride or mercury(II) chloride.
  • Examples of the organic solvent to be used in the reaction with dichloromethyl methyl ether include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, methylene chloride, chloroform, dichloroethane, acetonitrile, nitromethane or carbon disulfide.
  • the reaction may be carried out without solvent on demand.
  • the reaction temperature of the reaction with dichloromethyl methyl ether is generally from ⁇ 20 to 0° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the reaction with dichloromethyl methyl ether is generally from 30 minutes to 24 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the organic solvent to be used in the reaction with Compound (III) include tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the present reaction is generally from ⁇ 100 to 80° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the present reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XXVII) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the oxidizing agent to be used in the oxidation reaction of Compound (XXVII) include chromic acid-sulfuric acid, chromium(VI) oxide-sulfuric acid-acetone (Jones reagent), chromium(VI) oxide-pyridine complex (Collins reagent), dichromate (sodium dichromate, potassium dichromate, etc.)-sulfuric acid, pyridinium chlorochromate (PPC), manganese dioxide, dimethyl sulfoxide-electrophilic activated reagent (dicyclohexylcarbodiimide, acetic anhydride, phosphorous pentaoxide, sulfur trioxide-pyridine complex, trifluoroacetic anhydride, oxalyl chloride, halogen), sodium hypochlorite, potassium hypochlorite, sodium bromite, N-bromosuccinimide, N-chlorosuccinimide, N-bromoacetamide
  • Examples of the solvent to be used in the present reaction include water, acetic acid, diethyl ether, tetrahydrofuran, dioxane, acetone, tert-butyl alcohol, methylene chloride, chloroform, hexane, benzene, toluene or a mixture thereof.
  • the reaction temperature of the present reaction is generally from 0 to 100° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the present reaction is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XXVIII) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the base to be used in the condensation include sodium hydroxide, sodium methoxide, sodium ethoxide, sodium hydride, potassium hydride, lithium diisopropylamide, butyllithium, lithium hexzamethyldisilazane, triethylamine, diisopropylethylamine and 1,8diazabicyclo[5.4.0]undec-7-ene.
  • organic solvent to be used in the condensation examples include methanol, ethanol, tert-butyl alcohol, tetrahydrofuran, diethyl ether, ethylene glycol dimethyl ether, dimethylformamide, dimethyl sulfoxide, benzene, toluene, xylene, dioxane, methylene chloride, chloroform, dichloroethane or acetonitrile.
  • the reaction temperature of the condensation is generally from ⁇ 20 to 150° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the condensation is generally from 30 minutes to 2 days and a longer or shorter reaction period than the indicated period may be selected on demand.
  • Compound (XXIX) can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • the protection of the carbonyl group of Compound (XXIX) can be carried out by a method known in the field of organic synthetic chemistry.
  • Compound (XXIX) is treated with ethylene glycol in the presence of an acid catalyst such as paratoluenesulfonic acid, or with lower alcohol in the presence of an acid such as hydrochloric acid or sulfuric acid to give the corresponding carbonyl-protected compound.
  • Examples of the reducing agent to be used in the reduction include a metal reducing reagent such as sodium borohydride, lithium borohydride or lithium aluminum hydride, or diborane.
  • solvent to be used in the reduction examples include water, methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, tetrahydrofuran, dioxane, diethyl ether, ethylene glycol dimethyl ether or a mixture thereof.
  • the reaction temperature of the reduction is generally from ⁇ 20 to 80° C. and a lower and higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the reduction is generally from 30 minutes to 10 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Examples of the reagent to be used in the deprotection include an acid such as hydrochloric acid, sulfuric acid, acetic acid or trifluoroacetic acid, a base such as sodium hydroxide, potassium hydroxide or lithium hydroxide.
  • an acid such as hydrochloric acid, sulfuric acid, acetic acid or trifluoroacetic acid
  • a base such as sodium hydroxide, potassium hydroxide or lithium hydroxide.
  • Examples of the solvent to be used in the deprotection include water, methanol, ethanol, isopropyl alcohol, tert-butyl alcohol, acetone, tetrahydrofuran, ethylene glycol dimethyl ether, dimethylformamide or dimethyl sulfoxide.
  • the reaction temperature of the deprotection is generally from ⁇ 20 to 100° C. and a lower or higher temperature than the said temperature range may be selected on demand.
  • the reaction period of the deprotection is generally from 30 minutes to 5 hours and a longer or shorter reaction period than the indicated period may be selected on demand.
  • the objective compound can be purified by a method known in the field of organic synthetic chemistry, such as solvent extraction, recrystallization, chromatography or a method using an ion exchange resin.
  • Compound (XXVI) can be also produced by reacting Compound (VIII) with formylating agent in the presence of magnesium, followed by hydrolysis.
  • Compound (I-a) of the present invention can be also produced by reacting and treating in the same manner as in Method E after condensing Compound (XXVIII) with Compound (XI), in the same manner as in Method F after condensing Compound (XXVIII) with Compound (XIII), in the same manner as in Method G after condensing Compound (XXVIII) with Compound (XV), in the same manner as in Method I after condensing Compound (XXVIII) with Compound (XIX), in the same manner as in Method J after condensing Compound (XXVIII) with Compound (XXII), respectively.
  • Compound (I) of the present invention is treated, in a suitable solvent such as water, methanol, ethanol, diethyl ether, tetrahydrofuran or dioxane if necessary, with an acid such as hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric acid, nitric acid, phosphoric acid, acetic acid, maleic acid, fumalic acid, benzoic acid, citric acid, oxalic acid, succinic acid, tartaric acid, malic acid, mandelic acid, methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid or 10-camphorsulfonic acid to give an acid addition salt thereof.
  • a suitable solvent such as water, methanol, ethanol, diethyl ether, tetrahydrofuran or dioxane if necessary, with an acid such as hydrochloric acid, hydrobromic acid, hydroiodic acid, sulfuric
  • the crystals of a compound of the present invention obtained are anhydrides
  • the crystals are treated with water, aqueous solvent or other solvent to give a hydrates such as monohydrate, 1 ⁇ 2 hydrate, 1 ⁇ 5 hydrate, dihydrate or 3/2 hydrate, or solvates.
  • a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof can be used for the prevention and suppression of rejection caused by transplating organ (liver, heart, kidney etc.) or bone marrow among the same kind or different kinds of mammals inclusive of human, dog, cat, cattle, horse, pig, monkey, rat etc., and for the prevention and treatment of various autoimmune diseases or various allergic diseases.
  • the compounds of the present invention have pharmacological activities such as immunosuppressive activity or antimicrobial activity, and therefore are useful for the prevention or treatment of resistance to transplantation or transplantation rejection of organs or tissues (such as heart, kidney, liver, lung, bone marrow, cornea, pancreas, intestinum ***, limb, muscle, nervus, fatty marrow, duodenum, skin or pancreatic islet cell etc., including xeno-transplantation), graft-versus-host diseases by bone marrow transplantation, autoimmune diseases such as rheumatoid arthritis, systemic lupus erythematosus, nephrotic syndrome lupus, Hashimoto's thyroiditis, multiple sclerosis, myasthenia gravis, type I diabetes mellitus, type II adult onset diabetes mellitus, uveitis, nephrotic syndrome, steroid-dependent and steroid-resistant nephrosis, palmoplantar pus
  • the compounds of the present invention are useful for treating inflammatory, proliferative and hyperproliferative skin diseases and cutaneous manifestations of immunologically-mediated illnesses such as psoriasis, psoriatic arthritis, atopic eczema (atopic dermatitis), contact dermatitis and further eczematous dermatitises, seborrheic dermatitis, lichen planus, pemphigus, bullous pemphigoid, epidermolysis bullosa, urticaria, angioedema, vasculitis, erythema, cutaneous eosinophilia, acne, alopecia areata, eosinophilic fasciitis, and atherosclerosis.
  • immunologically-mediated illnesses such as psoriasis, psoriatic arthritis, atopic eczema (atopic dermatitis), contact dermatitis and further eczematous dermatitises, seborrheic
  • the compounds of the present invention are useful in hair revitalizing, such as in the treatment of female or male pattern alopecia, or senile alopecia, by providing epilation prevention, hair germination, and/or a promotion of hair generation and hair growth.
  • the compounds of the present invention are further useful in the treatment of respiratory diseases, for example, sarcoidosis, fibroid lung, idiopathic interstitial pneumonia, and reversible obstructive airways disease, including conditions such as asthma, including bronchial asthma, infantile asthma, allergic asthma, intrinsic asthma, extrinsic asthma and dust asthma, particularly chronic or inveterate asthma (for example late asthma and airway hyperresponsiveness), bronchitis and the like.
  • respiratory diseases for example, sarcoidosis, fibroid lung, idiopathic interstitial pneumonia, and reversible obstructive airways disease
  • conditions such as asthma, including bronchial asthma, infantile asthma, allergic asthma, intrinsic asthma, extrinsic asthma and dust asthma, particularly chronic or inveterate asthma (for example late asthma and airway hyperresponsiveness), bronchitis and the like.
  • the compounds of the present invention may also be useful for treating hepatopathy associated with ischemia.
  • the compounds of the present invention are also indicated in certain eye diseases such as conjunctivitis, keratoconjunctivitis, keratitis, vernal conjunctivitis, uveitis associated with Behçet's disease, herpetic keratitis, conical cornea, dystorphia epithelialis corneae, kertoleukoma, ocular pemphigus, Mooren's ulcer, scleritis, Graves' ophthalmopathy, severe intraocular inflammation and the like.
  • eye diseases such as conjunctivitis, keratoconjunctivitis, keratitis, vernal conjunctivitis, uveitis associated with Behçet's disease, herpetic keratitis, conical cornea, dystorphia epithelialis corneae, kertoleukoma, ocular pemphigus, Mooren's ulcer, scleritis, Graves'
  • the compounds of the present invention are also useful for preventing or treating inflammation of mucosa or blood vessels (such as leukotriene B 4 -mediated diseases, gastric ulcers, vascular damage caused by ischemic diseases and thrombosis, ischemic bowel disease, inflammatory bowel disease (e.g. Crohn's disease and ulcerative colitis), necrotizing enterocolitis), or intestinal lesions associated with thermal burns.
  • mucosa or blood vessels such as leukotriene B 4 -mediated diseases, gastric ulcers, vascular damage caused by ischemic diseases and thrombosis, ischemic bowel disease, inflammatory bowel disease (e.g. Crohn's disease and ulcerative colitis), necrotizing enterocolitis), or intestinal lesions associated with thermal burns.
  • the compounds of the present invention are also useful for treating or preventing renal diseases including interstitial nephritis, Goodpasture's syndrome, hemolytic uremic syndrome and diabetic nephropathy; nervous diseases selected from multiple myositis, Guillain-Barré syndrome, Méniére's disease and radiculopathy; endocrine diseases including hyperthyroidism and Basedow's disease; hematic diseases including pure red cell aplasia, aplastic anemia, hypoplastic anemia, idiopathic thrombocytopenic purpura, autoimmune hemolytic anemia, agranulocytosis and anerythroplasia; bone diseases including osteoporosis; respiratory diseases including sarcoidosis, fibroid lung and idiopathic interstitial pneumonia; skin diseases including dermatomyositis, vitiligo vulgaris, ichthyosis vulgaris, photoallergic sensitivity and cutaneous T cell lymphoma; circulatory diseases including arterio
  • the compounds of the present invention are indicated in the treatment of diseases including intestinal inflammations or allergies such as Coeliac disease, proctitis, eosinophilic gastroenteritis, mastocytosis, Crohn's disease or ulcerative colitis; and food related allergic diseases which have symptomatic manifestation remote from the gastrointestinal tract, for example migraine, rhinitis and eczema.
  • diseases including intestinal inflammations or allergies such as Coeliac disease, proctitis, eosinophilic gastroenteritis, mastocytosis, Crohn's disease or ulcerative colitis
  • food related allergic diseases which have symptomatic manifestation remote from the gastrointestinal tract, for example migraine, rhinitis and eczema.
  • the compounds of the present invention also have liver regenerating activity and/or activity in promoting hypertrophy and hyperplasia of hepatocytes. Therefore, they are useful for the treatment and prevention of hepatic diseases such as immunogenic diseases (e.g. chronic autoimmune liver diseases including autoimmune hepatitis, primary biliary cirrhosis and sclerosing cholangitis), partial liver resection, acute liver necrosis (e.g. necrosis caused by toxins, viral hepatitis, shock or anoxia), viral hepatitis type B, non-A/non-B hepatitis and cirrhosis.
  • immunogenic diseases e.g. chronic autoimmune liver diseases including autoimmune hepatitis, primary biliary cirrhosis and sclerosing cholangitis
  • partial liver resection e.g. necrosis caused by toxins, viral hepatitis, shock or anoxia
  • viral hepatitis type B e.g
  • the compounds of the present invention are also indicated for use as antimicrobial agents, and thus may be used in the treatment of diseases caused by pathogenic microorganisms and the like.
  • the compounds of the present invention can be used in the prevention or treatment of malignant rheumatoid arthritis, amyloidosis, fulminant hepatitis, Shy-Drager syndrome, pustular psoriasis, Behçet's disease, systemic lupus erythematosus, endocrine opthalmopathy, progressive systemic sclerosis, mixed connective tissue disease, aortitis syndrome, Wegener's gramulomatosis, active chronic hepatitis, Evans syndrome, pollinosis, idiopathic hypoparathyroidism, Addison disease (autoimmune adrenalitis), autoimmune orchitis, autoimmune oophoritis, cold hemagglutinin, paroxysmal cold hemoglobinuria, pernicious anemia, adult T cell leukemia, autoimmune atrophic gastritis, lupoid hepatitis, tubulointerstitial nephritis, membranous
  • the compounds of the present invention have antifungal effect and are useful as an antifungal agent.
  • the compounds of the present invention can be used in combination with other immunosuppressant(s), steroid(s) (prednisolone, methylprednisolone, dexamethasone, hydrocortisone and the like) or nonsteroidal acid anti-inflammatory agent.
  • other immunosuppressant preferred is particularly selected from azathioprine, brequinar sodium, deoxyspergualin, mizoribine, 2-morpholinoethyl mycophenolate, cyclosporin, rapamycin, tacrolimus monohydrate, leflunomide and OKT-3.
  • a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof is used as a medicament
  • Compound (I) is admixed with a pharmaceutically acceptable carrier (e.g., excipients, binders, disintegrators, correctives, corrigents, emulsifiers, diluents, solubilizers and the like) to give a pharmaceutical composition or a pharmaceutical agent (tablets, pills, capsules, granules, powders, syrups, emulsions, elixirs, suspensions, solutions, injections, transfusions or external preparations), which can be administered orally or parenterally.
  • a pharmaceutically acceptable carrier e.g., excipients, binders, disintegrators, correctives, corrigents, emulsifiers, diluents, solubilizers and the like
  • the pharmaceutical composition can be formulated into a pharmaceutical preparation by a conventional method.
  • parenterally includes subcutanous injection, intravenous injection, intramuscular injection, intraperitoneal injection, transfusion and topical administration (administration through the skin, eye, lung, bronchus, nose, rectum).
  • the preparation for injection such as a sterile aqueous or oily suspension for injection, can be prepared using a suitable dispersing agent or a wetting agent and a suspending agent, according to a method known in the pertinent field.
  • the sterile preparation for injection may be a sterile injectable solution or suspension in a non-toxic diluent or solvent permitting parenteral administration, such as an aqueous solution.
  • vehicle and solvent examples include water. Ringer solution, isotonic saline and the like.
  • sterile nonvolatile oil can be generally used as a solvent or a solvent for suspension.
  • any nonvolatile oil or fatty acid can be used, inclusive of natural, synthetic or semi-synthetic fatty oil or fatty acid, and natural, synthetic or semi-synthetic mono, di or triglycerides.
  • the solid dosage form for oral administration includes the above-mentioned ones such as powders, granules, tablets, pills, capsules and the like.
  • the active ingredient is admixed with at least one additive such as sucrose, lactose, cellulose sugar, mannitol, maltitol, dextran, starches, agar, arginates, kichins, chitosans, pectins, tragacanth gums, gum arabic, gelatins, collagens, casein, albumin, synthetic or semi-synthetic polymers and glycerides.
  • at least one additive such as sucrose, lactose, cellulose sugar, mannitol, maltitol, dextran, starches, agar, arginates, kichins, chitosans, pectins, tragacanth gums, gum arabic, gelatins, collagens, casein, albumin, synthetic or semi-synthetic polymers and glycerides.
  • routine additives can be added, which may be inert diluents, lubricants such as magnesium stearate, preservatives such as parabens and sorbic acid, antioxidants such as ascorbic acid, ⁇ -tocopherol and cysteine, disintegrators, binders, tackifiers, buffers, sweeteners, flavors, perfumes and the like.
  • An enteric coating may be applied to tablets and pills.
  • the liquid agents for oral administration may be pharmaceutically acceptable emulsions, syrups, elixirs, suspensions, solutions and the like, which may contain inert diluents (e.g., water), which are generally used in the pertinent field.
  • a pharmaceutically acceptable acid addition salt thereof of a hydrate thereof includes an ointment, a paste, a liniment, a lotion, a plaster, a cataplasm, an eye drop, an eye ointment, a suppository, a fomentation, an inhalant, a spray, an aerosol, a paint, a nasal drop, a cream, a tape, a patch and the like.
  • the external agent of the present invention contains the compound of the present invention in the form of a mixture with an organic or inorganic carrier or excipient, and, for example, can be used in the form of a solid, semi-solid or liquid pharmaceutical preparation.
  • the compound of the present invention can be mixed with, for example, a non-toxic and pharmaceutically acceptable carrier which is usually employed for obtaining an external preparation for topical administration.
  • a carrier which can be used includes water, glucose, lactose, gum arabic, gelatin, mannitol, starch paste, magnesium trisilicate, talc, corn starch, keratin, colloid silica, potato starch, urea and other carriers which are suitable for preparing a solid, semi-solid or solution composition.
  • an adjuvant, a stabilizer, a thickener, a coloring matter or a flavoring agent can be added.
  • the compound of the present invention as an active ingredient of the pharmaceutical composition can be contained in an amount enough to exhibit the desired activity depending on the symptom or severity of the diseases.
  • the compound of the present invention can be administered by way of a topical administration, an aerosol or a rectal administration in a form of a dosage unit composition which contains pharmaceutically acceptable and non-toxic carrier, adjuvant and excipient.
  • the compound of the present invention is preferably administered to lung by an aerosol in a form of, particularly a powder or a solution.
  • the amount of the compound of the present invention which can be mixed with a carrier can vary depending on the host to be treated and a specified dosage form.
  • the specified dose of the specified patient should be determined depending on the various factors such as age, body weight, the whole condition of health, sex, meal, time for administration, administration route, rate of excretion, combination of drug and the severity of the specified diseases under treatment.
  • the ointment base which can be used includes oleaginous base (a natural was such as white beeswax or carnauba wax, a petroleum wax such as hard paraffin or microcrystalline wax, a hydrocarbon wax such as liquid paraffin, white petrolatum or yellow petrolatum, plastibase, zelen 50W, silicone, a vegetable oil, lard, beef tallow, a simple ointment or lead oleate plaster), an emulsion type ointment base (an oil in water type (O/W type) base such as a hydrophilic ointment or a vanishing cream or a water in oil type (W/O type) base such as a hydrophilic petrolatum, a purified lanolin, aquahole, eucelin, neoselin
  • oleaginous base a natural was such as white beeswax or carnauba wax, a petroleum wax such as hard paraffin or microcrystalline wax, a
  • the compound of the present invention when used as an ointment, is dissolved in a solubilizing and absorptive accelerating agent and added to the above-mentioned ointment base.
  • the solubilizing and absorptive accelerating agent to be used means the agent in which the compound of the present invention is soluble at a concentration of at least not less than 0.01 w/w % and which can accelerate the absorption of the compound of the present invention from skin when formulated as an ointment, and includes a lower alkanediol (e.g., ethylene glycol, propylene glycol or butylene glycol), an alkylene carbonate (e.g., propylene carbonate or ethylene carbonate), an alkanedicarboxylic acid ester (e.g., dimethyl adipate, diethyl adipate, diisopropyl adipate, diethyl dimelate, diethyl sebacate or dipropyl se
  • solubilizing and absorptive accelerating agents can be used alone or in a mixture of not less than two agents, and can be added at a sufficient amount to dissolve the compound of the present invention.
  • the amount generally ranges from 2 parts by weight to 200 parts by weight per one part by weight of the compound of the present invention.
  • the upper amount is limited not to deteriorate the physicochemical properties of the ointment.
  • the ointment which contains the compound of the present invention may contain, in addition to the above-mentioned ointment base, other additives such as an emulsifier (e.g., polyoxyethylene hydrogenated castor oil, glycerol monostearate, sorbitan sesquioleate or lauromacrogol); a suspending agent (e.g., polyethylene glycol, polyvinylpyrrolidone or sodium carboxymethylcellulose); an antioxidant (e.g., a phenol or a quinone); a preservative (e.g., paraoxy-benzoic acid ester); a humectant (e.g., glycerin, D-sorbitol or propylene glycol); a favoring agent, a coloring matter; an antiseptic; a higher alkenoic acid (e.g., oleic acid), and moreover other drugs which are useful for the treatment of a skin diseases.
  • an emulsifier e
  • the ointment can be prepared by mixing a solution containing the compound of the present invention with an ointment base in accordance with a conventional method. In the process of formulation, not less than one of the adjuvant or additive mentioned above can be simultaneously added to the ointment base. Furthermore, the ointment can be manufactured by dissolving the compound of the present invention in the solubilizing and absorptive accelerating agent, admixing the obtained solution with the ointment base, stirring the obtained mixture under heating, and then cooling the resultant mixture.
  • the ointment containing the compound of the present invention can be used by applying to the affected part of the skin once to several times (e.g., once to four times) a day.
  • the paste or liniment containing the compound of the present invention can be prepared by using the same base and according to the same method as those of the ointment as mentioned above.
  • the lotion containing the compound of the present invention means a preparation wherein the active ingredient compound is homogeneously dispersed or, in some cases, partially dissolved in a liquid medium, and an emulsifier can be added thereto as necessary.
  • the content may be adjusted to 0.01 to 10 w/w % of the lotion.
  • the liquid medium to be used in the lotion containing the compound of the present invention includes water, a lower alcohol, a glycol, glycerin or a mixture thereof.
  • all of the lower alcohols that do not decompose the active ingredient compound and are not irritant to skin can be used, and are inclusive methanol, ethanol, isopropyl alcohol, propanol or butanol.
  • the glycol includes ethylene glycol, propylene glycol, butylene glycol or mono lower ethers thereof.
  • water, the lower alcohol or a mixture thereof is most preferable because these media improve the absorption of the active ingredient compound to the skin.
  • the amount of these liquid media preferably ranges from 5 parts by weight to 1000 parts by weight per one part by weight of the compound of the present invention.
  • a solubilizing and absorptive accelerating agent in which the active ingredient compound is soluble at a concentration of at least not less than 0.01 w/w % and which can accelerate the absorption of the active ingredient compound from the skin when formulated into a lotion, and includes an alkanedicarboxylic acid ester (e.g., dimethyl adipate, diethyl adipate, diisopropyl adipate, diethyl pimelate, diethyl sebacate or dipropyl sebacate) or a higher alkanoic acid alkyl ester (e.g., isopropyl myristate or ethyl myristate).
  • an alkanedicarboxylic acid ester e.g., dimethyl adipate, diethyl adipate, diisopropyl adipate, diethyl pimelate, diethyl sebacate or dipropyl sebacate
  • solubilizing and absorptive accelerating agents can be used alone or in a mixture of not less than two agents, and the amount generally ranges from 5 parts by weight to 5000 parts by weight per one part by weight of the compound of the present invention.
  • the content of the solubilizing and absorptive accelerating agent desirably ranges from 1 to 30 w/w %.
  • the emulsifier for the lotion containing the compound of the present invention is employed for the purpose of dispersing an insoluble medicine minutely and homogeneously in an aqueous solution, and should be nontoxic to human beings, and includes pharmaceutically acceptable natural emulsifiers and synthetic emulsifiers.
  • Various emulsifiers which are derived from animals and vegetables can be used as the natural emulsifier, and include egg yolk lecithin, soybean lecithin or a hydrogenated product thereof, phosphatidyl choline, sphingomyelin, gum arabic or gelatin.
  • Cationic, anionic or non-ionic surfactants can be used as the synthetic emulsifier, and preferably include a castor oil surfactant, especially an HCO (polyoxyethylene hydrogenated castor oil) such as HCO-60, HCO-50, HCO-40.
  • HCO polyoxyethylene hydrogenated castor oil
  • a polyoxyethylenesorbitan aliphatic acid ester such as polysorbate 80, a glycerin aliphatic acid ester such as glycerin monocaprylate, a polyethylene aliphatic acid ester such as polyoxyethylene 40 monostearate, a middle chain aliphatic acid mono (or di)glyceride (e.g., a C6-C12 aliphatic acid mono (or di)glycerides such as caprylic acid diglyceride, caprylic acid monoglyceride or caproic acid diglyceride) or a polyoxyethylated glyceride such as polyoxyethylated oleic acid glyceride.
  • a middle chain aliphatic acid mono (or di)glyceride e.g., a C6-C12 aliphatic acid mono (or di)glycerides such as caprylic acid diglyceride, caprylic acid monoglyceride or caproic acid digly
  • the above-mentioned emulsifiers can be used as the primary emulsifier, and, if necessary, in combination with an auxiliary emulsifier.
  • the auxiliary emulsifier is conventional and non-toxic to human beings, and includes cholesterol, agar, magnesium hydroxide, methylcellulose or pectin. These primary emulsifier and auxiliary emulsifier may be respectively used alone or in combination of two or more of them.
  • the emulsifier is contained in the lotion containing the compound of the present invention in an amount sufficient to emulsify the compound of the present invention and other additives to be contained, and preferably ranges from 0.1 part by weight to 10 parts by weight per one part by weight of the compound of the present invention.
  • a viscosity-increasing agent may be added to the lotion which contains the compound of the present invention.
  • the viscosity-increasing agent is any conventional agent which is usually added to give the viscosity to the liquid and is non-toxic to human beings, and includes carboxypolymethylene.
  • the viscosity-increasing agent is used when the lotion with a high viscosity is desired.
  • the content of the viscosity-increasing agent may vary depending on the desired viscosity of the lotion to be used and preferably ranges from 0.01 to 5 w/w %.
  • the lotion which contains the compound of the present invention may further contain a solubilizer which is used for the stabilization of the active ingredient compound in an aqueous solution. If necessary, it may further contain other additives which are used for the lotion, such as a flavoring agent, a coloring matter, an antiseptic or a higher alkenoic acid such as oleic acid, or other drugs which are useful for the treatment of the skin diseases.
  • a solubilizer which is used for the stabilization of the active ingredient compound in an aqueous solution.
  • other additives which are used for the lotion such as a flavoring agent, a coloring matter, an antiseptic or a higher alkenoic acid such as oleic acid, or other drugs which are useful for the treatment of the skin diseases.
  • the lotion which contains the compound of the present invention may be prepared by a conventional method in this field.
  • the lotion which contains the compound of the present invention can be used by applying to the affected part of the skin once to several times (e.g., once to four times) a day.
  • the lotion has a low viscosity, it can be applied by filling a spray vessel with the composition of the lotion and spraying the lotion directly to the skin.
  • the solvent to be employed includes a sterile distilled water or, in particular a distilled water for injection.
  • concentration of the active compound usually ranges from 0.01 to 2.0 w/v %, and may be increased or decreased depending on the aim of use.
  • the eye drop or nasal drop which contains the compound of the present invention may further contain various additives such as a buffer, an isotonic agent, a solubilizing agent, a preservative, a viscosity-increasing agent, a chelating agent, a pH adjustor or an aromatic.
  • various additives such as a buffer, an isotonic agent, a solubilizing agent, a preservative, a viscosity-increasing agent, a chelating agent, a pH adjustor or an aromatic.
  • the buffer includes, for example, a phosphate buffer (e.g., sodium dihydrogen phosphate-disodium hydrogen phosphate or potassium dihydrogen phosphate-potassium hydroxide), a borate buffer (e.g., boric acid-borax), a citrate buffer (e.g., sodium citrate-sodium hydroxide), a tartrate buffer (e.g., tartaric acid-sodium tartrate), an acetate buffer (e.g., acetic acid-sodium acetate), a carbonate buffer (e.g., sodium carbonate-citrate or sodium carbonate-boric acid) or an amino acid (e.g., sodium glutamate or ⁇ -aminocaproic acid).
  • a phosphate buffer e.g., sodium dihydrogen phosphate-disodium hydrogen phosphate or potassium dihydrogen phosphate-potassium hydroxide
  • borate buffer e.g., boric acid-borax
  • the isotonic agent includes a saccharide such as sorbitol, glucose or mannitol, a polyhydric alcohol such as glycerin or propylene glycol, a salt such as sodium chloride or borax, or boric acid and the like.
  • a saccharide such as sorbitol, glucose or mannitol
  • a polyhydric alcohol such as glycerin or propylene glycol
  • a salt such as sodium chloride or borax, or boric acid and the like.
  • the solubilizing agent includes a non-ionic surfactant such as polyoxyethylene sorbitan monooleate (polysorbate 80), polyoxyethylene monostearate, polyethylene glycol or polyoxyethylene hydrogenated castor oil and the like.
  • the preservative includes, for example, a quaternary ammonium salt such as benzalkonium chloride, benzethonium chloride or cetylpyridinium chloride, a parahydroxybenzoic acid ester such as methyl parahydroxybenzoate, ethyl parahydroxybenzoate, propyl parahydroxybenzoate or butyl parahydroxybenzoate, benzyl alcohol, phenethyl alcohol, sorbic acid or a salt thereof, thimerosal, chlorobutanol or sodium dehydroacetate.
  • the viscosity-increasing agent includes, for example, polyvinylpyrrolidone, hydroxyethylcellulose, hydroxypropylcellulose, methylcellulose, hydroxypropylmethylcellulose, or carboxymethylcellulose or a salt thereof.
  • the chelating agent includes sodium edetate or citric acid and the like.
  • the pH adjustor includes hydrochloric acid, citric acid, phosphoric acid, acetic acid, tartaric acid, sodium hydroxide, potassium hydroxide, sodium carbonate or sodium bicarbonate and the like.
  • the aromatic includes 1-menthol, borneol, a camphor (e.g., dl-camphor) or eucalyptus oil and the like.
  • the compound of the present invention When used as an eye drop, it may be usually adjusted to from about 4.0 to about 8.5 of pH, and when using as a nasal dop, it may be usually adjusted to from about 4.0 to about 8.5 of pH.
  • the manufacture of the eye drop and the nasal drop which contain the compound of the present invention can apply a method known in each preparation itself, while depending on the kind of each preparation.
  • the compound of the present invention When used as an eye drop, it may contain an active ingredient in a sufficient amount to be able to effectively prevent the eye inflammation, which may vary depending on the symptom or the sort of inflammation, and usually ranges from about 5.0 to about 1000 ⁇ g for one administration. It may be administered once to several times (e.g., once to four times) a day.
  • the aerosol containing the compound of the present invention means a pharmaceutical preparation which can be applied at the time of treatment by spraying a solution or a suspension of the active ingredient compound using a pressure of a liquefied gas or compressed gas filled in the same vessel or another vessel.
  • the aerosol can be prepared by dissolving the compound of the present invention in a purified water, and, if necessary, dissolving or suspending the same solubilizing and absorptive accelerating agent as mentioned above in the solution, and, if necessary, adding an additive such as pH adjustor or antiseptic as mentioned above, and then sealing closely with a valve and compressing the propellant.
  • the propellant to be used includes dimethyl ether, liquefied natural gas, carbon dioxide, nitrogen gas, a substituted from gas and other conventional propellants.
  • the aerosol which contains the compound of the present invention may further contain a refrigerant such as 1-methanol, a camphor, methyl salicylate and the like.
  • the inhalant or spray which contains the compound of the present invention can be prepared according to the same methods as those mentioned in aerosol, a nebulizer or an inhaler can be used for inhalant and a spraying vessel can be used for spray.
  • the suppository can be prepared in a conventional manner using a conventional base for suppository, and the active ingredient compound is contained in the suppository in an amount sufficient to exhibit the pharmaceutical effect, which can vary depending on the age or symptom of the patient, and preferably ranges from 0.1 to 60 mg.
  • the base for suppository of the present invention is the conventional base, and includes an oil and fat from animal and vegetable such as olive oil, corn oil, castor oil, cotton seed oil, wheat germ oil, cacao oil, beef tallow, lard, wool fat, turtle tallow, squalane or a hydrogenated oil, an oil and fat from mineral such as petrolatum, white petrolatum, hard paraffin, liquid paraffin, anhydrous lanolin or silicone oil, a wax such as jojoba oil, carnauba wax, yellow beeswax or lanolin, a partially synthetic or totally synthetic glycerin aliphatic acid ester such as mono, di and triglycerides of a middle or higher aliphatic acid such as a straight-chain saturated aliphatic acid (e.g., lauric acid, myristic acid, palmitic acid or stearic acid), or a straight-chain unsaturated aliphatic acid (e.g., oleic acid, linole
  • Witepsol manufactured by Dynamitnobel Co.; a mixture of mono-, di- and triglycerides of C12-C18 saturated aliphatic acid, in more detail, Witepsol H series (e.g., Witepsol H5, H12, H19, H32, H35, H37, H39, H42, H175 or H185), Witepsol W series (e.g., Witepsol W25, W31, W35 or W45), Witepsol E series (e.g., Witepsol E75, E76, E79 or E85) or Witepsol S series (e.g., Witepsol S52, S55 or S58) are included]; Pharmasol (manufactured by Nippon Oils and Fats Co.); Isocacao (manufactured by Kao Co.); SB (manufactured by Kanegafuch
  • a preservative a stabilizer, a surfactant, an aromatic, a pH adjustor or a purified water.
  • the suppository containing the compound of the present invention may be in various forms such as a rectal suppository which is solid at the normal temperature and melts at a body temperature; an ointment or liquid enema which can be prepared by dissolving or dispersing the compound of the present invention in a liquid base; a soft capsule for the rectal administration; or an injection for the rectal administration.
  • the manufacture of the suppository which contains the compound of the present invention is carried out using a method known in this field.
  • the dose for a certain patient is determined according to age, body weight, general health conditions, sex, diet, administration time, administration route, clearance rate, combination of drugs, degree of the state of the disease for which the patient is then undergoing treatments, and other factors.
  • the compound of the present invention, a pharmaceutically acceptable acid addition salt thereof and a salt thereof show low toxicity and can be used safely.
  • the daily dose varies depending on the condition and body weight of the patient, the kind of compound and administration route and the like, it is, for example, about 0.01-50 mg/person/day, preferably 0.01-20 mg/person/day, for parenteral administration by a subcutaneous, intravenous or intramuscular route, or through the skin, eye, lung, bronchus, nose or rectum, and about 0.01-150 mg/person/day, preferably 0.1-100 mg/person/day, for oral administration.
  • Compound A useful as a synthetic intermediate for Compound (I) of the present invention is also useful as a synthetic intermediate for a compound of the general formula (II-a) [hereinafter referred to as Compound (II-a)], in which Compound (I) of the present invention is encompassed, wherein m is 0 to 9, preferably 4, and R 1a , R 2a , R 3a and R 4a are the same or different and each is a hydrogen, an acyl (a straight- or branched chain alkanoyl having 1 to 20 carbon atoms such as formyl, acetyl, propionyl, butyryl, isobutyryl, pentanoyl, hexanoyl, heptanoyl, octanoyl, nonanoyl, decanoyl, undecanoyl, dodecanoyl, tridecanoyl, tetradecanoyl, pentadecanoyl, hex
  • Compound (II-a) and Compound (I-c) can be produced by reacting and treating a compound of the general formula (XXX) [hereinafter referred to as Compound (XXX)] wherein M, m, Y 1 and Y 2 are as defined above, instead of Compound (III) in Method A, with the amino- and/or hydroxy-protected Compound A according to Method A and Method B. Further, by reacting and treating in the same manner using an alkyl halide instead of an acyl halide in Method B, the corresponding amino- and/or hydroxy-alkylated compound can be produced. Moreover, by reacting and treating in the same manner using Compound (XXX) instead of Compound (III) in Method M, Compound (I-c) can be also produced.
  • Compound (II-a) and Compound (I-c) obtained can be converted into an acid addition salt thereof, a hydrate thereof and the like in the same manner mentioned above.
  • Compound (II-a) a compound of the general formula (II-b) [hereinafter referred to as Compound (II-b)] wherein R 1 , R 2 , R 3 and R 4 are as defined above, is preferable and 2-amino-2-(2-(4-(1-hydroxy-5-phenylpentyl)phenyl)ethyl)propane-1,3-diol is particularly preferable.
  • Compound (XXX) a compound of the general formula (XXI) [hereinafter referred to as Compound (XXXI)] M—(CH 2 ) n CH 3 (XXXI) wherein n is a integer of 0 to 12, preferably 6, and M is as defined above, is reacted and treated with amino- and/or hydroxy-protected Compound A according to Method A and Method B [containing the method reacting and treating in the same manner using an alkyl halide instead of an acyl halide in Method B], or reacted and treated using Compound (XXXI) instead of Compound (III) in Method M to produce a compound of the general formula (XXII) or (XXXIII) [hereinafter referred to as Compound (XXXII) and Compound (XXXIII)] wherein R 1a , R 2a , R 3a , R 4a and n are as defined above.
  • FIG. 1 is a graph which shows the results of Experimental Example 12, wherein . . . shows the result of comparative compound 1, - - - shows the result of comparative compound 2 and — shows the result of Compound (I-a) of the present invention.
  • FIG. 2 is a graph which shows the results of Experimental Example 13, wherein — ⁇ — shows the result of control, — ⁇ — shows the result of comparative compound 1 (10 mg/kg), — ⁇ — shows the result of comparative compound 2 (10 mg/kg) and — ⁇ —shows the result of Compound (I-a) of the present invention (10 mg/kg).
  • the reaction mixture was poured into water and the mixture was extracted with chloroform.
  • the chloroform layer was washed with saturated brine, dried over anhydrous magnesium sulfate and the solvent was distilled away under reduced pressure.
  • the chloroform layer was washed with water, a saturated aqueous sodium bicarbonate solution and saturated brine, dried over anhydrous sodium sulfate and the solvent was distilled away under reduced pressure to give a brown oily substance (167 g).
  • Triethylamine (41.6 ml) was further added thereto over 10 minutes at the said temperature and the mixture was stirred for 2.5 hours while raising the temperature of the mixture to 0° C. gradually.
  • the reaction mixture was washed with water (100 ml) and saturated brine (100 ml), dried over anhydrous sodium sulfate and the solvent was distilled away under reduced pressure to give a brown oily substance.
  • the organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and the solvent was distilled away under reduced pressure to give a brown oily substance (40 g).
  • the mixture was washed with water and saturated brine, dried over anhydrous sodium sulfate and the solvent was distilled away under reduced pressure to give a pale yellow oily substance (15.9 g).
  • the obtained white solid was crystallized from ethyl acetate and the obtained crystals were recrystallized from ethyl acetate-ethanol to give 2-amino-2-(2-(4-(1-oxo-5-phenylpentyl)phenyl)ethyl)propane-1,3-diol (2.34 g) as white crystals, melting point 126-127° C.
  • a tablet containing a compound of the present invention and having the following formulation is produced.
  • Polyethylene glycol-300 and polysorbate 80 are added to a compound of the present invention and the mixture is packed in a soft capsule.
  • Ethanol and polyethylene glycol-300 are added to a compound of the present invention and injectable distilled water is added to reach the total volume.
  • a compound of the present invention (1 g) is dissolved in 19 g of hydrophilic petrolatum under heating at 60° C., and the mixture is cooled with stirring to prepare an ointment containing 5% of the compound of the present invention.
  • a compound of the present invention (1 g) is mixed well with 19 g of plastibase (hydrocarbon gel) in a mortar for 30 minutes to prepare an ointment containing 5% of the compound of the present invention.
  • Witepsol H15 (72.47 g) is melted at 40° C. and a compound of the present invention (30 mg) is added. The mixture is stirred to disperse the compound. The homogeneous mixture is filled in a container at a weight of 725 mg each to prepare a suppository containing 0.3 mg of the compound of the present invention in 725 mg of the suppository.
  • sterile purified water In 70 ml of sterile purified water are dissolved 0.4 g of a compound of the present invention, 0.2 g of sodium citrate, 0.1 g of polysorbate 80, 2.6 g of glycerin and 0.007 g of benzethonium chloride. To the solution obtained is added sterile purified water to make the total volume 100 ml to prepare a nasal drop containing the compound of the present.
  • immunosuppressive activity For determining the immunosuppressive activity, various immune reactions can be measured using lymphocytes of mouse, rat or human.
  • the immunosuppressive activity may be determined with high sensitivity, for example, by an allogenic mixed lymphocyte reaction (allogenic MLR) of mouse, rat or human.
  • allogenic MLR allogenic mixed lymphocyte reaction
  • the allogenic MLR is a blastogenesis of lymphocytes induced by a mixed culture of lymphocytes such as spleen cells, lymph node cells and peripheral blood lymphocytes, derived from two individuals, which are allogenic and have different major histocompatibility antigens.
  • the allogenic MLR is a phenomenon induced by and reflects the difference in major histocompatibility antigens of the donors of the lymphocytes, and a blastogenesis phenomenon of the lymphocytes is not developed by a mixed culture of the lymphocytes from monozgotic twins. Accordingly, allogenic MLR is widely used for the donor-recipient selection in organ transplantations.
  • one way-MLR wherein the lymphocytes of one of them are used as stimulator cells upon X-ray irradiation or treatment with mitomycin C to inhibit proliferation and when the blastogenesis of lymphocytes of the other (responder cells) is determined, may be carried out.
  • the immunosuppressive activity can be determined as an activity to inhibit induction of cytotoxic T cells having the major histocompatibility antigen restrictive property during allogenic MLR.
  • the immunosuppressive activity can be determined, besides allogenic MLR, as an activity to inhibit the blastogenesis of the lymphocytes induced by the stimulation of various mitogens such as concanavalin A, phytobemaggulutinin and pokeweed mitogen or as an activity to inhibit the proliferation of the lymphocytes induced by a cytokine (e.g. interleukin 1, 2, 3, 4, 5 or 6) having an activity to reinforce the proliferation or promote the differentiation of the lymphocytes such as T cells or B cells, or manifestation of such function.
  • a cytokine e.g. interleukin 1, 2, 3, 4, 5 or 6
  • the activity can be evaluated as an activity to inhibit induction of allogenic cell-specific cytotoxic T cells induced in spleen cells of mouse previously immunized with, for example, allogenic cells by intraperitoneally, orally, intravenously, intradermally, subcutaneously or intramuscularly administering a compound to mice; as an activity to inhibit the production of an allogenic cell-specific antibody produced in the blood serum of mouse immunized with allogenic cells or the like.
  • the activity can be also evaluated as an activity to inhibit rejection of organ transplantation among allogenic skin, heart, liver, kidney and so on, or graft-versus-host reaction (GvHR) and host-versus-graft reaction (HvGR) by administering a compound to rat, dog or the like.
  • the activity can be evaluated as an activity to inhibit delayed hypersensitivity reaction, adjuvant arthritis, experimental allergy encephalomyelitis, experimental autoimmune uveitis or the like by administering a compound to mouse, rat or the like.
  • the immunosuppressive activity may be evaluated as an activity to inhibit, for example, production of anti-DNA antibodies, production of rheumatoid factors, nephritis, abnormal proliferation of lymphocytes or urinary protein; or a macrobiotic effect by the administration of the compound to MRL/lpr mice, NZB/WF 1 mice, BXSB mice, NOD mice and the like which are spontaneous model animals with autoimmune diseases.
  • rat allogenic MLR The rat allogenic mixed lymphocyte reaction (hereinafter referred to as rat allogenic MLR) is carried out by a mixed culture of nylon wood nonadhesive spleen cells from F344 rat as responder cells and spleen cells from WKAH rat treated with mitomycin C as stimulator cells that are used at the same ratio.
  • the responder cells are prepared as follows. A spleen is removed from a 4- to 10-week-old F344 rat and a single cell suspension of spleen cells is obtained by the use of RPMI1640 medium (containing kanamycin sulfate 60 ⁇ g/ml, penicillin G potassium 100 units/ml, N-2-hydroxyethyl-piperazine-N′2-ethanesulfonate 10 mM, 0.1% sodium hydrogencarbonate and L-glutamine 2 mM) supplemented with 5% heat-inactivated fetal calf serum (hereinafter referred to as FCS). After hemolysis treatment, the spleen cells are passed through a nylon wool columns and non-adhesive cells are collected. The nylon non-adhesive cells are adjusted to a concentration of 10 7 cells/ml by the use of RPMI1640 medium containing 10 ⁇ 4 M 2-mercaptoethanol and 10% FCS and used as a responder cell suspension.
  • FCS heat-
  • the stimulator cells are prepared as follows. A spleen is removed from a 4- to 10-week-old WKAH rat and a single cell suspension of spleen cell is obtained by the use of RPMI1640 medium. After hemolysis treatment, the suspension is treated with 40 ⁇ g/ml mitomycin C at 37° C. for 60 minutes. After washing three times, the suspension is adjusted to a concentration of 10 7 cells/ml by the use of RPMI1640 medium containing 10 ⁇ 4 M 2mercaptoethanol and 10% FCS and used as a stimulator cell suspension.
  • the responder cell suspension (50 ⁇ l) prepared by the method described above, the stimulator cell suspension (50 ⁇ l) prepared by the method described above and a test sample (100 ⁇ l) prepared by the use of RPMI1640 medium containing 10% FCS are placed in a 96 well flat-bottomed micro test plate and cultured at 37° C. under 5% CO 2 —95% air for 4 days.
  • the blastogenesis reaction of lymphocytes in rat allogenic MLR is determined by a method using 3 H-thymidine uptake as an index. Namely, after the culture, 3 H-thymidine 18.5 KBq/well is added and the cells are cultured for 4 hours. The cells are collected by a cell harvester and the radioactivity incorporated into the cells is determined by a liquid scintillation counter and used as an index for the lymphocyte blastogenesis in rat allogenic MLR. The inhibition of rat allogenic MLR is calculated by the formula below and evaluated accordingly.
  • Inhibition ( % ) [ 1 - ( cpm ⁇ ⁇ of ⁇ ⁇ MLR with ⁇ ⁇ test ⁇ ⁇ sample ) - ( cpm ⁇ ⁇ of ⁇ ⁇ responder cells ⁇ ⁇ alone ) ( cpm ⁇ ⁇ of ⁇ ⁇ MLR without ⁇ ⁇ test ⁇ ⁇ sample ) - ( cpm ⁇ ⁇ of ⁇ ⁇ responder cells ⁇ ⁇ alone ) ] ⁇ 100
  • the compounds of the present invention show an IC 50 value (a concentration to inhibit by 50%) of from about 1 nM to about 50 nM in a rat allogenic mixed lymphocyte reaction.
  • An IL-2-dependent mouse T cell line CTLL-2 is prepared to a concentration of 2 ⁇ 10 5 cells/ml in RPMI1640 medium containing 10% FCS.
  • a cell suspension thereof (50 ⁇ l), recombinant human IL-2 (rh-IL-2) 40 U/ml (50 ⁇ l) and a test sample (100 ⁇ l) prepared by the use of RPMI1640 medium containing 10% FCS are placed in a 96 well flat-bottomed micro test plate and cultured at 37° C. under 5% CO 2 —95% air for 68 hours.
  • Inhibition ( % ) [ 1 - ( absorbance ⁇ ⁇ when test ⁇ ⁇ sample ⁇ ⁇ and rh ⁇ - ⁇ IL ⁇ - ⁇ 2 ⁇ ⁇ are ⁇ ⁇ added ) - ( absorbance ⁇ ⁇ when rh ⁇ - ⁇ IL ⁇ - ⁇ 2 ⁇ ⁇ is ⁇ ⁇ not ⁇ ⁇ added ) ( absorbance ⁇ ⁇ when rh ⁇ - ⁇ IL ⁇ - ⁇ 2 ⁇ ⁇ alone is ⁇ ⁇ added ) - ( absorbance ⁇ ⁇ when rh ⁇ - ⁇ IL ⁇ - ⁇ 2 ⁇ ⁇ is ⁇ ⁇ not ⁇ ⁇ added ) ] ⁇ 100
  • the compounds of the present invention show an IC 50 value (a concentration to inhibit by 50%) of from about 1 nM to about 50 nM in the IL-2-dependent proliferation of mouse T cell line CTLL-2.
  • mice at 5 weeks of age are sensitized by subcutaneous injection to the back with 0.1 ml of 0.25% methylated human serum albumin (MeHSA) solution.
  • MeHSA methylated human serum albumin
  • the volume of right hind foot in mice is measured using foot volume measuring apparatus (TK-102; Neuroscience Co., Ltd.) and thereafter 25 ⁇ l of 0.25% MeHSA solution is injected into the right hind foot pad in order to induce delayed hypersensitivity reaction (DTH reaction).
  • DTH reaction delayed hypersensitivity reaction
  • the volume of right hind foot is measured again.
  • the test compounds are examined by the differences of the foot volumes between at 5 days and 4 days, namely the swelling in the volume of right hind foot pad as an indicator of DTH reaction.
  • the body weight, wet weight of thymus and spleen and the number of peripheral white blood cells are also measured. Test compounds are administered orally for 5 consecutive days from the day of sensitization.
  • the compounds of the present invention show statistically significant inhibitory effect on DTH reaction by administration at 0.1 to 10 mg/kg.
  • a spleen is removed from a male WKAH rat at 4 to 5 weeks of age and is used to obtain a single cell suspension of spleen cells using RPMI1640 medium (containing kanamycin sulfate at 60 ⁇ g/ml, penicillin G potassium at 100 units/ml, N-2-hydroxyethylpiperazine-N′-2ethanesulfate at 10 mM, 0.1% sodium bicarbonate and L-glutamine at 2 mM). After hemolysis treatment, the cells are washed three times with RPMI1640 medium and are adjusted at 5 ⁇ 10 7 cells/ml with physiological saline for injection.
  • RPMI1640 medium containing kanamycin sulfate at 60 ⁇ g/ml, penicillin G potassium at 100 units/ml, N-2-hydroxyethylpiperazine-N′-2ethanesulfate at 10 mM, 0.1% sodium bicarbonate and L-glutamine at 2 mM.
  • HvG reaction host versus graft reaction
  • both of right and left popliteal lymph nodes are removed and the weight of them is measured.
  • the test compounds are examined by difference between the right popliteal lymph node weight and the left popliteal lymph node weight as an indicator of HvG reaction.
  • blood is obtained from tail vein of the rats and the number of peripheral white blood cells is measured using automatic hemocytometer for animal (MEK-5158, Nihonkoouden Co., Ltd.). Test compounds are intravenously or orally administered daily for 4 days after the injection of the cells.
  • GvH reaction graft versus host reactions
  • Systemic GvH reaction is induced by intravenous administration of cyclophosphamide at 150 ml/kg to 5-week-old female (LEW ⁇ BN)F 1 rats and by intravenous injection of 5 ⁇ 10 7 spleen cells from female LEW rats at 5 weeks of age to them on the next day.
  • Test compounds are examined by determining the survival time after the induction of systemic GvH reaction.
  • Local GvH reaction is induced by subcutaneous injection of 2 ⁇ 10 7 spleen cells from 5-week-old male LEW rats into the right hind foot pad of female (LEW ⁇ BN) F 1 rats at 5 weeks of age and after 7 days, popliteal lymph nodes are removed and their weights are measured. Test compounds are orally administered daily for 30 days and 7 days from the day of cell injection in the case of systemic reaction and local GvH reaction, respectively.
  • F344 rats Four to six-week-old male F344 rats are immunized by intravenous injection with 1 ⁇ 10 8 of sheep red blood cells. After 4 days from immunization, the spleen is removed, and the number of anti-sheep red blood cell antibody producing cells are counted by direct hemolytic plaque forming assay using sheep red blood cells and guinea pig complement. In this case, the body weights, wet weights of thymus and spleen, and the number of spleen cells are also measured. Test compounds are orally administered daily for 4 days after the day of immunization.
  • Dead tuberculosis bacterium (R35H5v-1 strain, 0.5 mg) is suspended as an adjuvant in 0.1 ml of liquid paraffin and inoculated to the root of tail of an 8-week old male LEW rat. After the inoculation up to day 21 of the adjuvant, the presence or absence or the onset of arthritis is observed and the day of onset of arthritis and the ratio of the onset cases are determined. The swelling of right hind foot pad of the rat is periodically measured by using foot volume measuring apparatus (TK-102; Neuroscience Co., Ltd.). At day 21, the roentgenogram of the hind foot of the rats is taken based on which the degree of destruction of articulation is evaluated. Test compounds are orally or intravenously adminstrated from the day of adjuvant inoculation daily for 21 days.
  • the compounds of the present invention delayed the onset of and decreased the ratio of the onset cases of the adjuvant arthritis to a statistically significant degree and significantly suppressed swelling of the hind limbs and destruction of the articulation by the administration of 0.1-10 mg/kg thereof.
  • Seven to eight-week-old male Sprague-Dawley rats are intracutaneously injected by division of 5 portions with 1 ml of emulsion which are prepared by mixing 0.1 N acetic acid solution containing bovine type II collagen at 2 mg/ml with Freund's incomplete adjuvant at a volume ratio of 1:1. After 7 days, re-immunization is performed by intracutaneous injection of collagen emulsion prepared by the same method into the root of tail. The swelling of right hind foot pad of the rat is periodically measured by using foot volume measuring apparatus (TK-102; Neuroscience Co., Ltd.).
  • TK-102 foot volume measuring apparatus
  • Test compounds are orally or intravenously administered daily for 21 days from the day of primary immunization.
  • Eight-week-old female LEW rats are immunized by intracutaneous injection to their right hind foot pad with 0.1 ml of emulsion of Freund's complete adjuvant containing 100 ⁇ g of myelin basic protein (MBP) purified from spinal cord of guinea pigs and 100 ⁇ g of dead Mycobacterium tuberculosis H37 RA. Thereafter somatic symptoms after immunization are judged according to the standards of 6 levels.
  • MBP myelin basic protein
  • test compounds are orally administered daily for 20 days after the day of immunization.
  • Eight-week-old female LEW rats are immunized by intracutaneous injection to their right hind foot pad with 0.1 ml of emulsion of Freund's complete adjuvant containing 30 ⁇ g of soluble antigen (s-antigen) purified from bovine retina and 100 ⁇ g of dead Mycobacterium tuberculosis H27 RA. Onset and seriousness of uveitis are periodically inspected after the immunization. Seriousness of uveitis is judged according to the following standards.
  • eyeballs are removed from the rats to make tissue section and the histology of them is investigated after staining by hematoxylin-eosin method.
  • Test compounds are orally administered daily for 15 days after the day of immunization.
  • Test compounds are orally administered to male MRL/lpr mice.
  • daily administration is continued until 8 to 45 weeks of age and for the assessment of therapeutic effect, until 16 to 20 weeks of age.
  • Mortality during the administration period is recorded and blood and urine periodically obtained from the animals are measured for the titers of anti-nuclear antibodies and rheumatoid factor in the serum, and protein in the urine.
  • a full-thickness skin graft (1.5 ⁇ 1.5 cm) of a 4-week-old male WKAH rat or LEW rat is grafted to a graft to a graft bed on the back of a 4-week-old male F344 rat by suture.
  • the graft is covered with a sterile gauze and bound.
  • the bandage is removed 5 days after the grafting and the skin graft is observed daily until it is rejected.
  • the skin graft is considered to be rejected when 90% or more of the epithelium of the skin graft showed necrosis and turned brown.
  • the number of days from the grafting to rejection is taken as a graft survival days.
  • Test compounds are intraperitoneally, intravenously or orally administered repeatedly once a day for 14 days.
  • FIG. 1 The results obtained by oral administration of Compound (I-a) of the present invention at a dose of 1 mg/kg or 10 mg/kg are shown in FIG. 1 .
  • the comparative compound 1 was 2-amino-2-(2-(4-(4-phenylbutyloxy)phenyl)ethyl)propane-1,3-diol disclosed in WO94/08943
  • comparative compound 2 was 2-amino-2-methyl-2-(2-(4-(4-phenylbutyloxy)phenyl)butanol disclosed in WO96/06068.
  • mean survival time of the group administered with the compound of the present invention upon grafting of the skin of a WKAH rat to an F344 rat was 16.6 ⁇ 1.2 days, and the mean survival time of comparative compound 1 and comparative compound 2 were 11.9 ⁇ 0.7 days and 15.6 ⁇ 1.4 days, respectively.
  • the compound of the present invention prolonged graft survival days statistically significantly as compared to the control group and comparative compound 1 group. It showed an equivalent prolonging effect with comparative compound 2.
  • the mean survival time upon grafting of the skin of an LEW rat to an F344 rat was 8.2 ⁇ 0.4 days, whereas that upon administration of Compound (I-a) of the present invention was 20 days or more, thus showing a statistically significant prolonging effect as compared to the control group administered with vehicle alone.
  • the group administered with the compound of the present invention showed natural gain of body weight as in the control group, whereas the group administered with comparative compound 1 and the group administered with comparative compound 2 showed a suppressive effect on the gain of the body weight, which is attributable to disorders of gastrointestinal organ and therewith associated decrease in food intake.
  • the group administered with the compound of the present invention showed a similar increase in body weight as the control group, which indicates that the compound of the present invention is a highly safe immunosuppressant with less toxicity, which is free of the aforementioned side effects.
  • the hearts from the male WKAH rats at 10 to 14 weeks of age are heterotopically transplanted in subcutaneous locations at cervixes of male ACI/N rats at 10 to 14 weeks of age using vascular anastomosis.
  • the transplanted hearts are judged to be rejected in the case of the cessation of heart beat, then survival time was calculated.
  • Test compounds are orally administered repeatedly for 15 days from the day of transplantation.
  • Mongrel and beagle dogs are used as donors and recipients, respectively, and then the prolonging effect on the survival of transplanted kidney is examined by performing surgery of renal transplantation. After the transplantation, the blood was collected from the transplanted animals periodically to measure the levels of serum creatinine and blood urea nitrogen (BUN).
  • BUN blood urea nitrogen
  • a spleen is removed from a 4- to 10-week-old male F344 rat.
  • the removed spleen is opened with scissors and filtered through RPMI1640 medium supplemented with 10%FCS using a stainless mesh to give a single cell suspension of spleen cells.
  • the spleen cells are passed through a nylon wool column and non-adhesive cells are collected.
  • the collected nylon non-adhesive cells (5 ⁇ 10 6 cells/ml) are cultured in RPMI1640 medium containing 5 ⁇ g/ml concanavalin A, 5 ⁇ 10 ⁇ 5 M 2-mercaptoethanol and 10% FCS at 37° C. under 5% CO 2 —95% air for 72 hours.
  • 3 H-thymidine 18.5 KBq/well is added and the cells are cultured for 4 hours.
  • the cells are collected by a cell harvester and the radioactivity incorporated into the cells is determined by a liquid scintillation counter and used as an index for the blastogenesis of rat spleen cells.
  • the compounds of the present invention show an IC 50 value (a concentration to inhibit by 50%) of from about 1 nM to about 50 nM in blastogenesis reaction of rat spleen cells induced by stimulation with concanavalin A.
  • Compound (I) of the present invention shows superior immunosuppressive action without inhibitory action on body weight increase which is related to serious side effects, and are useful as superior immunosuppressants with less toxicity and higher safety.
  • the Compound (II) and Compound A of the present invention are useful as synthetic intermediates for Compound (I) which is useful as an immunosuppressant.

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US10/410,387 1997-04-04 1998-04-03 2-aminopropane-1,3-diol compounds, medicinal use thereof, and intermediates in synthesizing the same Expired - Lifetime USRE39072E1 (en)

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PCT/JP1998/001571 WO1998045249A1 (fr) 1997-04-04 1998-04-03 Composes 2-aminopropane-1,3-diol, leur utilisation pharmaceutique, et intermediaires servant a leur synthese

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