EP2981521A1 - Nouveaux derives de chalcone presentant une activite anti-allergique - Google Patents
Nouveaux derives de chalcone presentant une activite anti-allergiqueInfo
- Publication number
- EP2981521A1 EP2981521A1 EP14720658.5A EP14720658A EP2981521A1 EP 2981521 A1 EP2981521 A1 EP 2981521A1 EP 14720658 A EP14720658 A EP 14720658A EP 2981521 A1 EP2981521 A1 EP 2981521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compounds according
- manifestations
- compound
- compounds
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000003266 anti-allergic effect Effects 0.000 title description 7
- 150000001788 chalcone derivatives Chemical class 0.000 title description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 98
- 150000003839 salts Chemical class 0.000 claims abstract description 16
- 239000012453 solvate Substances 0.000 claims abstract description 12
- 150000004677 hydrates Chemical class 0.000 claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 8
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims abstract description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 3
- 239000000460 chlorine Substances 0.000 claims abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 3
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract description 3
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011630 iodine Substances 0.000 claims abstract description 3
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- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 235000005513 chalcones Nutrition 0.000 description 6
- IMZMKUWMOSJXDT-UHFFFAOYSA-N cromoglycic acid Chemical compound O1C(C(O)=O)=CC(=O)C2=C1C=CC=C2OCC(O)COC1=CC=CC2=C1C(=O)C=C(C(O)=O)O2 IMZMKUWMOSJXDT-UHFFFAOYSA-N 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 6
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- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229940109248 cromoglycate Drugs 0.000 description 5
- NZWOPGCLSHLLPA-UHFFFAOYSA-N methacholine Chemical compound C[N+](C)(C)CC(C)OC(C)=O NZWOPGCLSHLLPA-UHFFFAOYSA-N 0.000 description 5
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- DQFBYFPFKXHELB-VAWYXSNFSA-N trans-chalcone Chemical compound C=1C=CC=CC=1C(=O)\C=C\C1=CC=CC=C1 DQFBYFPFKXHELB-VAWYXSNFSA-N 0.000 description 2
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- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 description 1
- KZMAWJRXKGLWGS-UHFFFAOYSA-N 2-chloro-n-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-n-(3-methoxypropyl)acetamide Chemical compound S1C(N(C(=O)CCl)CCCOC)=NC(C=2C=CC(OC)=CC=2)=C1 KZMAWJRXKGLWGS-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/30—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom
- C07D211/32—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/02—Nasal agents, e.g. decongestants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/06—Antiasthmatics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
- A61P27/14—Decongestants or antiallergics
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/20—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms
- C07D211/22—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms by oxygen atoms
Definitions
- the present invention relates to novel chalcone derivatives having anti-allergic activity, as well as pharmaceutical compositions containing such compounds and compounds for their use as medicaments. as an anti-allergic medicine,
- Patent application WO 2007/083060 describes a chalcone family having anti-tumorotic activity, the results being presented on a cycle test corresponding to the analysis of the G2 / M phase blocking of a blood line.
- human leukemia cells evaluated by flow cytometry *
- the compounds described could be used for the treatment of manifestations secondary to hypersensitivity, for example rhinitis, conjunctiva and allergic asthma, eczema,
- the inventors of the present patent application have tested several of the described compounds on the degranulation of normal human basophils and the tested compounds showed no activity. These results will be presented later in the examples.
- WO 01/98291 describes, for its part, a large family of chalcone-type compounds, presented as being useful for treating VCAM-I mediated disorders (vascular eye adhesion molecule-1). Among the long list of pathologies mentioned, are some allergic diseases. In order to verify the inactivation of the compounds described in the treatment of allergies, among the 655 examples given in this patent application, the inventors of the present patent application tested the compound described on page 9.
- the invention relates to the compounds of formula
- R 2f R and 3 ⁇ 4 identical or different, represent a hydrogen, chlorine, bromine, iodine or fluorine atom, or a -OH or -O-alkyl group comprising from 1 to 6 carbon atoms;
- - R.2 f and RV identical or different, represent a hydrogen atom, or a group QH or -O-aikyie comprising 1 to 6 carbon atoms; 2 and / or '4 which represented nt) n methoxy;
- n is equal to 1, 2 or 3;
- R 7 represents a hydrogen atom or an alkyl group comprising from 1 to 6 carbon atoms
- the compounds of formula (I), optionally in the form of hydrates f f solvates or pharmaceutically acceptable salts have any of the following characteristics or a combination of several of these characteristics, , or all these features:
- R 7 represents a methyte group
- At least two of the groups R3 ⁇ 4 * and R3 ⁇ 4 and in particular R 2 and R 6 are different from hydrogen;
- R 2f RA and R3 ⁇ 4 which may be identical or different, represents a hydrogen atom, a chlorine atom or a methoxy group.
- alkyl group is meant a saturated linear or branched hydrocarbon-based chain.
- alkyl group comprising from 1 to 6 carbon atoms, mention may be made, in particular, of the methyte (denoted Me), ethyl, // -propyl, / sylpropyl, t-butyl, t-butyl and , n-butyl, n-pentyl, n-hexyl,
- the invention also relates to the compounds defined in the context of the invention for their use as medicaments and in particular for their use as an anti-allergic medicine. Such use is preferably implemented in humans,
- Salts of compounds according to the invention are prepared according to techniques well known to those skilled in the art.
- the salts of the compounds of formula (I) according to the present invention include those with inorganic or organic acids which allow a suitable separation or crystallization of the compounds of formula (I), as well as pharmaceutically acceptable salts.
- Suitable acids include: oxalic acid or an optically active acid, for example tartaric acid, dibenzoyitartric acid, mandelic acid or camphorsulfonic acid, and those which form physiologically such as hydrochloride, hydrobromide, sulfate, hydrogen sulfate, dihydrogenphosphate, maleate, fumarate, 2-naphthalenesulionate, paratoluenesulfonate.
- solvate is meant a form of the compound associated with one or more molecules of solvent, especially used during its synthesis or during its purification, without being in solution in the latter.
- the optical isomers of this compound form an integral part of the invention.
- the present invention comprises the compounds of formula (I) in the form of pure isomers but also in the form of a mixture of isomers in any proportion, the compounds (I) are isolated in the form of pure isomers by standard separation techniques: it is possible to use, for example, fractional recalibrations of a salt of racenic acid with an acid or an optically active base whose principle is well known or the conventional techniques of chromatography on chiral or non-chiral phase,
- the functional groups optionally present in the molecule of the compounds of formula (I) and in the reacturized intermediates can be protected, either in permanent form or in temporary form, by means of protective groups that provide a unambiguous synthesis of the expected compounds.
- the protection and deprotection reactions are carried out according to techniques well known to those skilled in the art.
- the temporary protecting group of amines, alcohols or carboxylic acids is meant to include protecting groups such as those described in Profeetive Groups in Organic Synthesis, Greene TW and Wirts PGM, ed John Wiiey and Sons, 1991 and in Protectlng Groups, Kodenski PJ. , 1994, Georg Thieme Veriag,
- the compounds of formula (I) according to the invention are obtained by aidoiic condensation of an acetophenone of formula (II) and a benzaldehyde of formula ( ⁇ ), as illustrated in the examples.
- the present invention also relates to the use of the compounds defined in the context of the invention for the manufacture of a medicament, and preferably a medicament for the treatment of allergies.
- medicaments are intended for the treatment of humans.
- the compounds according to the invention are more particularly suitable for the treatment of a pathology of allergic origin such as pulmonary manifestations, such as allergic asthma; cutaneous allergy manifestations such as eczema, drug allergy, contact reactions to environmental products; digestive manifestations including food allergies; other mucous manifestations such as rhinitis and conjunctivitis; allergic joint manifestations; local and systemic manifestations resulting from contact with a food product, cosmetic, hygienic, professional, drug or toxic environment, microbiota or parasites; manifestations of autoimmune diseases; Quincke's edema.
- the antiallergic activity of the compounds was demonstrated by studying the ability of the compounds of the invention to Inhibit degranulation of normal human basophils by conducting tagging studies in cytométxie flow.
- the compounds according to the invention possess an important activity of protection against the degranulation of normal human basophils, such as can be evaluated by the overexpression of CD203c and CD63 after exposure to an anti-IgE antibody.
- the concentration of compound according to the invention for obtaining a protective effect of 50% belongs to the range from 1 to 100 micromofôires.
- compositions comprising a compound according to the invention, in combination with at least one pharmaceutically acceptable excipient, are also an integral part of the invention In such compositions, the compound according to the invention is present in a therapeutically effective amount.
- treatment means any prophylactic or suppressive therapeutic measure of a disease or disorder, leading to a desirable clinical effect or any beneficial effect, including in particular the suppression or decrease of one or more symptoms, regression, slowing or stopping the progression of the disease or disorder associated therewith.
- “Therapeutically effective amount” refers to any amount of a composition that improves one or more of the characteristic parameters of the condition being treated.
- the compounds of formula (I), their pharmaceutically acceptable salts, solvates and hydrates are not cytotoxic.
- the compounds of formula (1) described above, as well as their salts, solvates and hydrates can be used for the manufacture of a medicament for treating an allergic disease, and in particular a pathology of allergic origin.
- pulmonary manifestations such as allergic asthma
- cutaneous manifestations of allergy such as eczema, drug allergy, contact reactions to environmental products
- other mucosal manifestations such as rhinitis and conjunctivitis
- allergic joint manifestations local and systemic manifestations resulting from contact with a food product .
- cosmetic, hygienic, professional drug or toxic., microbiota or parasites; manifestations of autoimmune diseases; Quincke's edema,
- the present invention also relates to the pharmaceutical compositions administered to animals and, in particular to humans, containing a therapeutically effective dose of a compound of formula (I), or a salt, a solvate or a a pharmaceutically acceptable hydrate thereof and one or more suitable excipients according to the European Pharmacopoeia in particular? ems edition.
- the invention thus relates to pharmaceutical compositions comprising: a compound according to the invention, with at least one pharmaceutically acceptable excipient.
- excipients present in the pharmaceutical compositions according to the invention are chosen according to the pharmaceutical form and the desired mode of administration.
- the active ingredients of formula (I) in any proportion, or their salts, solvates and hydrates, may be administered in unit dosage form, in admixture with conventional pharmaceutical carriers, to animals and humans for the prophylaxis or treatment of the above diseases.
- Suitable unit dosage forms include oral forms, such as tablets, capsules, powders, granules and oral solutions or suspensions, sublingual, oral, tracheal intravenous, intranasal, forms of subcutaneous, intramuscular, intra-cartilage or intravenous administration in the forms of rectal administration.
- oral forms such as tablets, capsules, powders, granules and oral solutions or suspensions
- sublingual, oral, tracheal intravenous, intranasal forms of subcutaneous, intramuscular, intra-cartilage or intravenous administration in the forms of rectal administration.
- the compounds according to the invention can be used in creams, ointments, patches or lotions.
- the compound of the invention will be present in the composition at a therapeutically effective dose.
- the dose of active ingredient varies, for example, between 0.1 and 100 mg per kg of body weight per day.
- a solid composition in tablet form When a solid composition in tablet form is prepared, the main active ingredient is mixed with a pharmaceutical carrier, such as gelatin, starch, lactose, magnesium stearate, talc, gum arabic or the like.
- a pharmaceutical carrier such as gelatin, starch, lactose, magnesium stearate, talc, gum arabic or the like.
- Sucrose tablets can be coated, a cellulose derivative or other appropriate substances or else they can be treated such that they have a prolonged or delayed activity and release qulls û'une continuously a predetermined quantity of active ingredient.
- a capsule preparation is obtained by mixing the active ingredient with a diluent and pouring the resulting mixture into soft or hard gelatin capsules.
- compositions containing a compound of formula (I), or a salt thereof, solvates or hydrates may also be in liquid form, for example, solutions, emulsions, suspensions or syrups. Suitable examples are water, organic solvents such as glycerol or glycols, as well as their mixtures, in various proportions, in water.
- a syrup or syrup preparation or drop administration may contain the active ingredient together with a sweetener, acaloric, antiseptic, as well as a flavoring agent and a suitable colorant.
- the water dispersible powders or granules may contain the active ingredient in admixture with dispersants or wetting agents, or suspending agents, such as polyvinyl pyrrolidone, as well as with sweeteners or taste correctors. .
- Figures I and 2 show the results obtained at 100 ⁇ on dégranulatlon basophils by flow cytometry, respectively with the CD63 and CD203c markers for compounds according to the invention and other similar structure compounds.
- Figures 3 and 4 present the results of a dose-effect study conducted with the compounds (1.1), (1.2) and (1.3) on a number of 4 donors, with the markers CD63 and CD203c.
- the Igra S shows the non-invasive plethysrnography response to increasing doses of methacholine for all groups u day after the last OVA challenge.
- the Fifpre ⁇ shows the intra-bronchial focus concentration of all the groups one day after the last OVA challenge
- the figures ? and S show the cytokines obtained by the flow cytometry analyzes in the lungs and the LBA of all the groups one day after the last OVA challenge.
- chalcones were synthesized according to Scheme I F cl following wherein X .. n, R3 ⁇ 4 R4 and Rg, and FV are as defined for compounds of formula (3 ⁇ 4, by aldol condensation between that an acetophenone derivative ( II) and a benzaldehyde derivative (II),
- the experimental protocol is as follows: A solution of acetophenone ( ⁇ ) in ethanol. or methane! (10 mg / mmol of acetophenone) is added successively the benzaldehyde derivative (III) it and a potassium hydroxide solution (KOH, 50% in H 2 Q), The solution was stirred at reflux of the solvent for 24 h, ethanol or methanol is evaporated and water is added to the remaining residue . The solution is filtered under reduced pressure and the balance obtained is washed successively with water and with ether. The purity of the product is analyzed by TLC. The majority of the chalcones were obtained pure at this stage. If the CC reveals the presence of impurities, purification by silica gel chromatography column eluted with ethyl acetate / cyclohexane (1/4 to 1/1, v / v) is carried out.
- acetoprenone derivative required for its preparation of chalcones was synthesized according to the method described in; Liu et al. Bioorgank at Medicinal Chemistry, 2007, 15, 7021-7034, Benzahyde derivatives are commercial.
- This test consists of analyzing by flow cytometry CD203c and CD63 mernbran markers on normal human basophils.
- blood from healthy donors is exposed to an antibody against immunoglobulin E (IgE) which leads to basophll activation and degranulation, causing an increase in the expression of CD203c and CD63, in order to demonstrate
- IgE immunoglobulin E
- they are co-incubated with the basophites and the snti-IgE antibody and the samples are analyzed to demonstrate a lower level of expression of CD2 ⁇ 3c and CD63.
- the compounds of interest are dissolved in dimethylsulfoxide (DMSO) a control is also carried out by incubating the basophiies in the presence of DMSO without active principle.
- DMSO dimethylsulfoxide
- the protocol comprises
- mice were divided into 3 groups:
- a compound group (L1) (n 10), an i-cm group (cromoglycate, n-10) and a ⁇ -PBS group (n-10).
- the compound (Ll) is dissolved in a solution of D SO. This stock solution is then diluted in a solution vol: vol ethartol.PBS before intra-perioneal administration.
- the compound (L1) solubilizes poorly which may explain the variability found in some of the experiments.
- Figure S shows the non-invasive plethysmographic response to increasing doses of methacholine for all groups one day after the last OVA challenge.
- Penh enhanced pause
- Penh values calculated from the pleitiysmography measurements, reflect lengthening of the Expiratory pause time observed in subjects with reduced caliber bronchial and are correlated with respiratory resistance. A decrease in Penh values therefore corresponds to a protective effect vis-à-vis OVA-induced bronchoconstruction.
- Figure 6 shows the concentration of intra-bronchial infiltrate of all groups one day after the last QVA challenge.
- Figures 7 and 8 show the cytokines obtained by flow cytometric analyzes in the lungs and L8 of all groups one day after the last OVA challenge.
- the control group sensitized and chaliengé with OVA and injected with PBS shows all the signs of allergic asthma to IOVA with a high Penh, and all the more that the dose of methacholine is important, a strong intrabronchial infiltrate and strong eosinophilia.
- This group served as a reference for all the results,
- mice treated with cromoglycate showed the same increases in Penh in response to increasing doses of methacholine as the control mice treated with PB8.
- the difference was significant from the dose when compared with the compound .l). Comparing to the control group injected with PBS f the difference is not significant for the dose to 40 mg / ml.
- mice injected with PBS show a large inflammatory infiltrate.
- the cromoglycate group did not show a significant difference with the buffer group.
- the group treated with compound (11) showed a significant decrease in intracranial infiltrate compared with PBS and cromoglycate-S! we look at the composition level of this infiltrate (Figure 7), we have a composition quite in line with an OVA model with strong eosinophilia and little increase of other cell types.
- Intra-pupal inflammation does not show large variations compared to bronchial infiltrate. Eryosinophilia was observed for all groups, but it was much less important in the group of the compound (L1), including Se group cromogylate with a decrease in these eosinophils in the group of the compound (L1).
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- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pulmonology (AREA)
- Transplantation (AREA)
- Ophthalmology & Optometry (AREA)
- Otolaryngology (AREA)
- Dermatology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Physical Education & Sports Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1353091A FR3004180B1 (fr) | 2013-04-05 | 2013-04-05 | Nouveaux derives de chalcone presentant une activite anti-allergique |
| PCT/FR2014/050816 WO2014162106A1 (fr) | 2013-04-05 | 2014-04-04 | Nouveaux derives de chalcone presentant une activite anti-allergique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2981521A1 true EP2981521A1 (fr) | 2016-02-10 |
Family
ID=48613959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14720658.5A Withdrawn EP2981521A1 (fr) | 2013-04-05 | 2014-04-04 | Nouveaux derives de chalcone presentant une activite anti-allergique |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9896415B2 (fr) |
| EP (1) | EP2981521A1 (fr) |
| JP (1) | JP2016515605A (fr) |
| FR (1) | FR3004180B1 (fr) |
| WO (1) | WO2014162106A1 (fr) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0659743A1 (fr) * | 1993-12-27 | 1995-06-28 | Hoechst Aktiengesellschaft | Dérivés de pipéridine comme inhibiteurs d'aggrégation de plaquettes et leur préparation |
| WO2001046110A2 (fr) | 1999-12-23 | 2001-06-28 | The University Of Georgia Research Foundation, Inc. | Chalcone et ses analogues comme agents inhibiteurs de l'angiogenese et des etats pathologiques associes |
| CA2413878A1 (fr) * | 2000-06-20 | 2001-12-27 | Atherogenics, Inc. | 1,3-bis-(phenyl substitue)-2-propene-1-ones et leur utilisation dans le traitement des troubles vehicules par vcam-1 |
| FR2864956B1 (fr) * | 2004-01-08 | 2006-04-28 | Genfit S A | Compose derive de 1,3-diphenylprop-2-en-1-one, preparation et utilisations |
| FR2896245B1 (fr) | 2006-01-17 | 2010-09-17 | Univ Claude Bernard Lyon | Nouveaux derives de chalcone, a activite antimitotique |
| EP2274411A4 (fr) * | 2008-04-11 | 2016-01-20 | Betal Llc | Compositions de xanthohumol et procédés de traitement des maladies ou des affections cutanées |
-
2013
- 2013-04-05 FR FR1353091A patent/FR3004180B1/fr not_active Expired - Fee Related
-
2014
- 2014-04-04 US US14/781,145 patent/US9896415B2/en not_active Expired - Fee Related
- 2014-04-04 JP JP2016505880A patent/JP2016515605A/ja active Pending
- 2014-04-04 EP EP14720658.5A patent/EP2981521A1/fr not_active Withdrawn
- 2014-04-04 WO PCT/FR2014/050816 patent/WO2014162106A1/fr not_active Ceased
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2014162106A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US9896415B2 (en) | 2018-02-20 |
| JP2016515605A (ja) | 2016-05-30 |
| WO2014162106A1 (fr) | 2014-10-09 |
| US20160052881A1 (en) | 2016-02-25 |
| FR3004180A1 (fr) | 2014-10-10 |
| FR3004180B1 (fr) | 2015-06-26 |
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