CN109761958A - Fasudil complex salt and its preparation method and application - Google Patents

Fasudil complex salt and its preparation method and application Download PDF

Info

Publication number
CN109761958A
CN109761958A CN201910158848.XA CN201910158848A CN109761958A CN 109761958 A CN109761958 A CN 109761958A CN 201910158848 A CN201910158848 A CN 201910158848A CN 109761958 A CN109761958 A CN 109761958A
Authority
CN
China
Prior art keywords
fasudil
compound
group
dichloroacetate
follows
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.)
Granted
Application number
CN201910158848.XA
Other languages
Chinese (zh)
Other versions
CN109761958B (en
Inventor
黄张建
张奕华
吕田
庞涛
孔辉
解卫平
王虹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Pharmaceutical University
Original Assignee
China Pharmaceutical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Pharmaceutical University filed Critical China Pharmaceutical University
Priority to CN201910158848.XA priority Critical patent/CN109761958B/en
Publication of CN109761958A publication Critical patent/CN109761958A/en
Priority to PCT/CN2019/104910 priority patent/WO2020177291A1/en
Application granted granted Critical
Publication of CN109761958B publication Critical patent/CN109761958B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/185Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
    • A61K31/19Carboxylic acids, e.g. valproic acid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/55Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
    • A61K31/551Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/10Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/12Antihypertensives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/16Halogenated acetic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

Abstract

The present invention relates to pharmaceutical chemistry and pharmacotherapeutics field, more particularly to a kind of Fasudil complex salt, selected from Fasudil dichloroacetate, Fasudil trifluoroacetate, Fasudil trichloroacetate, Fasudil chloracetate, Fasudil chlorobromacetate, Fasudil tribromoacetic acid salt, Fasudil dichloroacetic acid condensation product, or its pharmaceutically acceptable salt, their preparation method, Pharmaceutical composition containing these compounds and their medical usage, especially in preparation prevention and/or treatment pulmonary hypertension, cerebral arterial thrombosis, application in the drug of the cardiovascular and cerebrovascular diseases such as subarachnoid hemorrhage.

Description

Fasudil complex salt and its preparation method and application
Technical field
The present invention relates to a kind of Fasudil complex salts, and in particular to a kind of Fasudil complex salt, their preparation side Method, the Pharmaceutical composition containing these compounds and their medical usage, belong to pharmaceutical technology.
Background technique
Rho kinases (Rho associa ted kinase, ROCK) is to participate in cell mitogen adherency, cytoskeleton A series of important enzyme of cell life phenomenons such as adjustment, muscle cell contraction, tumor cell invasion.Since nineteen ninety-six, it has sent out Existing ROCK points are ROCK I (ROCK β) and ROCK II (ROCK α).The former be primarily present in non-nervous tissue for example heart, lung, The cells such as skeletal muscle;The latter is primarily present in central nervous system, such as hippocampal pyramidal neurons, cerebral cortex, cerebellum Purkinje Cell etc..Rho kinases (ROCK) is in multinomial cell functions such as vascular smooth muscle cells contraction, cell migration, proliferation and apoptosis In have important intracellular signal transduction effect.Rho kinases abnormal activation has been had been found that in a variety of cardiovascular diseases, it is such as dynamic Pulse atherosclerosis, restenosis, hypertension, pulmonary hypertension and myocardial hypertrophy etc..Studies have shown that chronic hypoxia and monocrotaline institute Rho kinase activity in pulmonary hypertension model in rats and severe pulmonary hypertension patient lung tissue and pulmonary artery is caused significantly to increase It is high.
Fasudil [hexahydro -1- (5- sulfonyl isoquinolin) -1 (H)-Isosorbide-5-Nitrae-diazepine, Fasudil, also known as HA1077], it is a kind of novel isoquinoline of Japanese Asahi Kasei Corporation and the cooperative development of Nagoya University pharmaceutical research room Sulphone amide derivative.As a kind of novel, efficient vasodilator agent, cerebral angiospasm can be effectively relieved in Fasudil, improved The prognosis of Subarachnoid Hemorrhage (SAH) patient, from Fasudil in 1996 since Japan's listing, for pulmonary vascular work With the extensive concern for being constantly subjected to researcher, a large amount of zoopery and clinical research show that Fasudil can be with: 1) activating Endogenic neural stem cell promotes brain tissue reparation;2) increase astrocyte stimulating factor;3) inhibit intracellular Ca2+ from The release of son;4) diastole cerebral vessels;5) nerve cell and improvement is protected to put in function;6) promote the regeneration of aixs cylinder.Therefore method The ground that relaxes is also used for the treatment of cerebral arterial thrombosis.In addition, Fasudil also can safely and effectively treat pulmonary hypertension. ROCK depressant Fasudil can infiltrate through vascular smooth muscle cells, can compete Rho with ATP under normal or pathologic condition The ATP-binding site in kinase catalytic area specifically blocks Rho kinase activity.The anti-PAH of Fasudic hydrochloride is in the II phase and faces at present Bed conceptual phase.
Summary of the invention
Purpose: the present invention provides a kind of Fasudil complex salt, preparation method and medical usage.
Technical solution: the technical solution adopted by the present invention are as follows:
A kind of compound, the compound are selected from Fasudil dichloroacetate, Fasudil trifluoroacetate, method and relax ground That trichloroacetate, Fasudil chloracetate, Fasudil chlorobromacetate, Fasudil tribromoacetic acid salt, Fasudil Dichloroacetic acid condensation product.
Compound 1: Fasudil dichloroacetate, structural formula are as follows:
Fasudil dichloroacetate the preparation method comprises the following steps:
Take appropriate Fasudil to be placed in reaction vessel, the mixing of appropriate reaction dissolvent be added, obtain Fasudil with react molten The mixed liquor of agent;
Suitable dichloroacetic acid is added while stirring under reaction temperature 0-100 degree into above-mentioned mixed liquor, drips off subsequent Continuous stirring a period of time, obtain reaction solution;
Then solvent is concentrated under reduced pressure away in reaction solution, washing recrystallizes to get Fasudil dichloroacetate.
In preferred preparation process, reaction temperature is room temperature, and reaction dissolvent is water, the Fasudil and dichloroacetic acid of addition Molar ratio be 1:1.5, recrystallization solvent is isopropanol.
Compound 2: Fasudil trifluoroacetate, structural formula are as follows:
Compound 3: Fasudil trichloroacetate, structural formula are as follows:
Compound 4: Fasudil chloracetate, structural formula are as follows:
Compound 5: Fasudil chlorobromacetate, structural formula are as follows:
Compound 6: Fasudil tribromoacetic acid salt, structural formula are as follows:
Compound 7: Fasudil dichloroacetic acid condensation product (FD), structural formula is as follows:
On the other hand, the present invention also provides a kind of pharmaceutical compositions, wherein the above-mentioned compound containing therapeutically effective amount Or its optical isomer, enantiomer, diastereomer, racemic modification or racemic mixture or its pharmaceutically acceptable salt and Pharmaceutical carrier, adjuvant or mediator.
On the other hand, the present invention also provides above-mentioned compounds in preparation prevention and/or treatment pulmonary hypertension, arachnoid Cavity of resorption bleeding, the medium cardiovascular and cerebrovascular disease of ischemic cerebral apoplexy drug in application.
In the present invention, mammal above compound and its pharmaceutically acceptable salt and these compounds are being given Solvate (collectively referred to here in as " therapeutic agent ") when, can be used alone, or preferably according to specification pharmaceutical methods By its be suitable for medicinal carrier or diluent cooperation after use.Administration mode can be through various approach, including take orally, is non-gastrointestinal Canal drug administration or local administration.Parenteral administration referred herein includes but is not limited to intravenous injection, intramuscular injection, abdominal cavity note It penetrates, be subcutaneously injected and cutaneous penetration.
The present invention discloses Fasudil dichloroacetate and preparation method thereof first, comprising the following steps: free method The ground that relaxes is mixed with water first, is slowly added dropwise to dichloroacetic acid, is continued after stirring 5min, pure water is concentrated away, residue adds After entering ether washing 3 times, then the Fasudil dichloroacetic acid of high-purity is obtained after being recrystallized with isopropanol or other solvents Salt.And by composing through hydrogen, carbon spectrum, mass spectrum confirms its structure.Operation of the present invention is simple, and production cost is low, and product is received Rate is high, and environmental pollution is small, is conducive to industrialized production.
Meanwhile the invention discloses Fasudil dichloroacetate, Netarsudil dichloroacetate and Ripasudil bis- Inhibitory activity of the chloracetate to ROCK I and ROCK II.As a result, it has been found that dichloroacetate and ROCK inhibitor are improved at salt Its ROCK inhibitory activity.
Therapeutic effect the invention discloses Fasudil dichloroacetate (FDCA) to pulmonary hypertension.Firstly, cell Fasudil dichloroacetate (FDCA) can significantly inhibit Platelet-derived growth factor BB (PDGF-BB) in experiment and hypoxemia lures Tumor necrosis factor-α in the arteria pulmonalis smooth muscle cells (PASMCs) and pulmonary artery endothelial cell (PAECs) led The expression of (TNF-α) and interleukin-6 (IL-6);Further progress zoopery, it is dynamic in the induced lung of monocrotaline induction In the treatment model of arteries and veins high pressure, the average lung that FDCA (43.3mg/kg) gastric infusion can obviously reduce Rats of Pulmonary Hypertension is dynamic Pulse pressure, right ventricular systolic pressure and right ventricle plumpness index, and body circulation pressure is had no significant effect;By by rat lung and heart Tissue carries out pathological examination discovery, and FDCA significantly reduces the ratio of Pulmonary Arterioles of Rat Exposed vessel wall thickness and lung arteriolar diameter (PAMT) and lung parteriole degree of fibrosis;FDCA significantly reduces myocardium of right ventricle cell area (CSA) and degree of fibrosis.Value It obtains it is to be noted that the activity of FDCA anti-pulmonary hypertension is better than the Fasudil dihydrochloride (F) of equimolar dosage, dichloroacetic acid The administering drug combinations of sodium (DCA) and the two, prompting FDCA is a kind of drug candidate of effective anti-pulmonary hypertension, is worth further Research.
Meanwhile the invention discloses Fasudil dichloroacetate (FDCA) prevention and/or treatment subarachnoid hemorrhages Effect.(the intravascular perforation modeling of cavum subarachnoidale, 0.5h and 6h respectively give after modeling in rat model of subarachnoid hemorrhage Medicine is primary, the indices of rat after evaluation for 24 hours), FDCA significantly reduces cerebral arteries after subarachnoid hemorrhage in rats spasm damage Wound improves brain edema and animal nerve scoring, hence it is evident that improve basal arteries caliber, Lumen Area and pipe thickness and top Regional cortex blood flow amount (rCBF) is better than F, the administering drug combinations of DCA and the two.As a result prompt FDCA is a kind of effective anti- The drug candidate of subarachnoid hemorrhage is worth further research.
Meanwhile the invention discloses Fasudil dichloroacetate (FDCA) prevention and/or treating cerebral arterial thrombosis Effect.(ischemic 2h is filled again, and ischemic 4h is administered once, and is administered for 24 hours, the rat after evaluating 48h in rat transient ischemia model Indices), FDCA is effectively reduced brain infarction area, is significantly better than marketed drug butylbenzene peptide (NBP) group, is significantly better than method and relaxes The administering drug combinations group of ground your dihydrochloride group (F) and dichloroacetate sodium (DCA) group and F and DCA;Furthermore FDCA is also significantly Improve the neurobehavioral dysfunction of ischemic induction, hence it is evident that be better than F, the administering drug combinations of DCA and the two are slightly better than NBP group. As a result prompt FDCA is a kind of drug candidate of effective anti-cerebral arterial thrombosis, is worth further research.
As the inhibitor of ROCK, Fasudil can with vasodilator, reduce blood pressure, inhibit the increasing of vascular smooth muscle cells It grows, inhibits vascular remodeling;And dichloroacetate is the inhibitor of pyruvic dehydrogenase kinase, and pyruvic dehydrogenase can be improved Activity promotes the aerobic metabolism of glucose, reduces the generation of lactic acid;It can also promote potassium-channel especially Kv1.5 simultaneously Expression, inhibit the proliferation of smooth muscle cell and promote its apoptosis.Therefore, Fasudil and the administering drug combinations of dichloroacetate can To treat pulmonary hypertension, the cardiovascular and cerebrovascular diseases such as cerebral arterial thrombosis and subarachnoid hemorrhage from multiple mechanism.And connection It closes administration to compare, the molecule of Fasudil dichloroacetate (FDCA) as a whole may be in drug absorption, distribution and generation Thank etc. has difference with what is be administered in combination, therefore shows better activity.
Detailed description of the invention
Fig. 1 be in embodiment 9 compound to PASMCs and PAECs at PDGF-BB and hypoxemia condition of culture TNF-α and The influence of IL-6 expression;PASMs: arteria pulmonalis smooth muscle cells;PAECs: pulmonary artery endothelial cell;PDGF-BB: platelet-derived Growth factor B B;IL-6;Interleukin-6;CON: blank control group;Hypoxia: hypoxemia;FDCA: two chloroethene of Fasudil Hydrochlorate;F: Fasudil dihydrochloride;DCA: dichloroacetic acid sodium salt;F+DCA: Fasudil dihydrochloride and dichloroacetic acid sodium salt Administering drug combinations group.
Fig. 2 is influence of the compound to the MCT PAH rat model haemodynamics induced in embodiment 9;MPAP: average Pulmonary arterial pressure, RVSP: right ventricular systolic pressure;MSAP: average body circulation pressure;RV/LV+S: Right ventricular hypertrophy index;Control: right According to group, MCT: monocrotaline;FDCA: Fasudil dichloroacetate;F: Fasudil dihydrochloride;DCA: dichloroacetate sodium Salt;F+DCA: Fasudil dihydrochloride and dichloroacetic acid sodium salt administering drug combinations group.
Fig. 3 be in embodiment 9 each administration group to the ratio of Pulmonary Arterioles of Rat Exposed vessel wall thickness and lung arteriolar diameter (PAMT) and the influence of degree of fibrosis;PAMT: the ratio of Pulmonary Arterioles of Rat Exposed vessel wall thickness and lung arteriolar diameter; Fibrosis: fibrosis;Control: control group, MCT: monocrotaline;FDCA: Fasudil dichloroacetate;F: method relaxes ground That dihydrochloride;DCA: dichloroacetic acid sodium salt;F+DCA: Fasudil dihydrochloride and dichloroacetic acid sodium salt administering drug combinations group.
Fig. 4 is influence of each administration group to myocardium of right ventricle cell area and degree of fibrosis in embodiment 9;
CAS: cardiac muscle cell's cross sectional area;Fibrosis: fibrosis;Control: control group, MCT: monocrotaline; FDCA: Fasudil dichloroacetate;F: Fasudil dihydrochloride;DCA: dichloroacetic acid sodium salt;F+DCA: Fasudil two Hydrochloride and dichloroacetic acid sodium salt administering drug combinations group.
Fig. 5 A is influence of the different compounds to SAH cerebral edema in embodiment 10;Fig. 5 B is different in embodiment 10 The influence that compound scores to SAH rat spontaneous activity.
Fig. 6 is tMCAO rat model brain tissue TTC colored graph in embodiment 11.
Fig. 7 is tMCAO rat model brain infarction area statistical chart in embodiment 11.
Fig. 8 is tMCAO rat model Neuroscore in embodiment 11.
Fig. 9 is tMCAO rat model brain infarction area and rat nerve function score figure in embodiment 11.
Specific embodiment
In order to which the present invention is furture elucidated, a series of embodiments are given below, these embodiments be entirely it is illustrative, it Only be used to the present invention specifically describe, be not construed as limitation of the present invention.
Embodiment 1
Fasudil dichloroacetate
Compound synthesis and structural identification:
At room temperature, 10g Fasudil is placed in 100mL eggplant-shape bottle, 20mL tap water is added or pure water is stirred, Then 4.87g dichloroacetic acid is weighed, is slowly added dropwise in above-mentioned suspension, finds Fasudil or gradually molten during being added dropwise Solution, drop finish.Continue that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue is added ether and carries out washing 3 times, discards second Ether, then recrystallized with organic solvent, white solid is obtained by filtration, postposition is dried to obtain 13.95g mesh in a vacuum drying oven Mark compound, yield 96.9%.Mp:141-143 DEG C of1H NMR (300MHz, D2O, TMS) δ 9.20 (s, 1H), 8.49 (d, J =6.2,1H), 8.21-8.29 (m, 3H), 7.72 (t, J=7.7,1H), 6.03 (s, 1H), 3.72 (t, J=5.0,2H), 3.53 (t, J=6.1,2H), 3.35-3.41 (m, 4H), 2.09-2.17 (m, 2H)13C NMR (75MHz, D2O) 170.25 δ, 152.36,142.97,134.17,133.01,131.0,130.25,128.10,126.03,116.69,68.07,46.76, 46.22,44.41,43.46,24.99.ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 2
Fasudil trifluoroacetate
Compound synthesis and structural identification:
At room temperature, 100mg Fasudil is placed in 50mL eggplant-shape bottle, 10mL acetone is added and is stirred, then weighs 40mg trifluoroacetic acid is slowly added dropwise in above-mentioned suspension, and Fasudil is found during being added dropwise or is gradually dissolved, drop finishes.After It is continuous that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue filters after ether stirring is added, and filter cake is washed with ether It washs 3 times, obtains white solid, postposition is dried to obtain 130.8mg target compound, yield 94% in a vacuum drying oven.1H NMR (500MHz, D2O, TMS) δ 9.72 (s, 1H), 8.84 (d, J=5.2,1H), 8.64-8.72 (m, 3H), 8.10 (t, J= 7.7,1H), 3.84 (t, J=4.7,2H), 3.65 (t, J=5.9,2H), 3.44-3.52 (m, 4H), 2.23-2.26 (m, 2H) .ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 3
Fasudil trichloroacetate
Compound synthesis and structural identification:
At room temperature, 100mg Fasudil is placed in 50mL eggplant-shape bottle, 10mL acetone is added and is stirred, then weighs 66.76mg trichloroacetic acid is slowly added dropwise in above-mentioned suspension, and Fasudil is found during being added dropwise or is gradually dissolved, drop finishes. Continue that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue filters after ether stirring is added, and filter cake is carried out with ether Washing 3 times, obtains white solid, postposition is dried to obtain 135mg target compound, yield 87% in a vacuum drying oven.1H NMR (300MHz, D2O, TMS) δ 9.89 (s, 1H), 9.08 (d, J=6.8,1H), 8.75-8.81 (m, 3H), 8.20 (t, J= 7.1,1H), 3.85 (t, J=4.8,2H), 3.67 (t, J=5.8,2H), 3.48-3.62 (m, 4H), 2.22-2.26 (m, 2H) .ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 4
Fasudil chloracetate
Compound synthesis and structural identification:
At room temperature, 100mg Fasudil is placed in 50mL eggplant-shape bottle, 10mL acetone is added and is stirred, then weighs 38.76mg monoxone is slowly added dropwise in above-mentioned suspension, and Fasudil is found during being added dropwise or is gradually dissolved, drop finishes.After It is continuous that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue filters after ether stirring is added, and filter cake is washed with ether It washs 3 times, obtains white solid, postposition is dried to obtain 121mg target compound, yield 91.5% in a vacuum drying oven.1H NMR (300MHz, D2O, TMS) δ 9.21 (s, 1H), 8.49 (d, J=6.1,1H), 8.24-8.30 (m, 3H), 7.74 (t, J= 8.0,1H), 4.06 (s, 2H), 3.74 (t, J=3.9,2H), 3.54 (t, J=5.7,2H), 3.41-3.43 (m, 4H), 2.15- 2.18 (m, 2H) .ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 5
Fasudil chlorobromacetate
Compound synthesis and structural identification:
At room temperature, 100mg Fasudil is placed in 50mL eggplant-shape bottle, 10mL acetone is added and is stirred, then weighs 70.88mg chlorobromoacetic acid is slowly added dropwise in above-mentioned suspension, and Fasudil is found during being added dropwise or is gradually dissolved, drop finishes. Continue that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue filters after ether stirring is added, and filter cake is carried out with ether Washing 3 times, obtains white solid, postposition is dried to obtain 140mg target compound, yield 88% in a vacuum drying oven.1H NMR (300MHz, D2O, TMS) δ 9.63 (s, 1H), 8.74 (d, J=6.5,1H), 8.58-8.68 (m, 3H), 8.02 (t, J= 7.5,1H), 6.07 (s, 1H), 3.81 (t, J=4.5,2H), 3.62 (t, J=6.0,2H), 3.43-3.47 (m, 4H), 2.17- 2.21 (m, 2H) .ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 6
Fasudil tribromoacetic acid salt
Compound synthesis and structural identification:
At room temperature, 100mg Fasudil is placed in 50mL eggplant-shape bottle, 10mL acetone is added and is stirred, then weighs 121mg tribromoacetic acid is slowly added dropwise in above-mentioned suspension, and Fasudil is found during being added dropwise or is gradually dissolved, drop finishes.After It is continuous that 10min is stirred at room temperature.Reaction solution is concentrated under reduced pressure afterwards, residue filters after ether stirring is added, and filter cake is washed with ether It washs 3 times, obtains white solid, postposition is dried to obtain 164.5mg target compound, yield 82% in a vacuum drying oven.1H NMR (300MHz, D2O, TMS) δ 9.18 (s, 1H), 8.49 (d, J=5.8,1H), 8.22-8.26 (m, 3H), 7.71 (t, J= 7.8,1H), 3.61 (t, J=3.9,2H), 3.50 (t, J=6.1,2H), 3.14-3.16 (m, 4H), 1.98-2.0 (m, 2H) .ESI-MS (70eV) m/z:292.2 [M+H]+
Embodiment 7
Fasudil dichloroacetic acid condensation product (FD)
Compound synthesis and structural identification: at room temperature, by 200mg Fasudil, the DIEA of 227 μ L, the HBUT of 522mg and 68 μ L dichloroacetic acid are placed in the eggplant-shape bottle of 50mL, and 20mL anhydrous methylene chloride is added and is stirred to react overnight.It afterwards will be in reaction solution 10mL water washing is added, dichloromethane layer is concentrated again, sand processed, and column chromatography (petrol ether/ethyl acetate=1:1) obtains target product 175mg, yield 61.4%.1H-NMR(300MHz,CDCl3,TMS)δ9.36(s,1H),8.69-8.72(m,1H),8.32- 8.36 (m, 2H), 8.22 (d, J=8.1,1H), 7.67-7.74 (m, 1H), 6.21 (s, 1H), 3.91 (s, 1H), 3.75-3.84 (m,3H),3.61(s,1H),3.43-3.49(m,3H),2.05-2.11(m,2H).ESI-MS(70eV)m/z:416.1[M+H]+
Embodiment 8
Compound is to ROCK-I and II inhibitory activity:
Inhibitory activity (nM) of 1. compound of table to ROCK-I and ROCK-II
Embodiment 9
Prevention and/or treatment pulmonary hypertension
One, FDCA is in PDGF-BB and hypoxemia culture model to inflammatory factor TNF-α in PASMCs and PAECs cell With the influence of IL-6 expression
The relevant pulmonary hypertension of pulmonary hypertension especially connective tissue disease often with the generation of inflammation, inflammation because Sub- tumor necrosis factor-alpha (TNF-α) can activate inflammatory factor interleukin-6 (IL-6), promote smooth muscle cell proliferation, The fibrosis of blood vessel and the reconstruct of lung parteriole.Fasudil dichloroacetate (FDCA) has been investigated by cell experiment first The arteria pulmonalis smooth muscle cells (PASMCs) that hypoxemia condition of culture and Platelet-derived growth factor BB (PDGF-BB) are induced The influence expressed with TNF-α in pulmonary artery endothelial cell (PAECs) and IL-6.Cell grouping: 1. normal cell group (Control);2. PDGF-BB or the model group of hypoxemia culture;3. model group+Fasudil dichloroacetate (FDCA);④ Model group+fasudil hydrochloride (F) treatment group;5. model group+dichloroacetic acid sodium salt (DCA) treatment group;6. model group+F with DCA administering drug combinations group.Experimental method is as follows.PGDFBB model group: first cell is passaged to 3-6 generation, adds PDGFBB after culture afterwards for 24 hours (5 microlitres are matched 10 milliliters) supports for 24 hours, then starvation 48h, dosing, and each administration group concentration is 50 μM, is counted after cultivating 72h by ELISA The expression of TNF-α and IL-6 in group of cells;Anoxia model group: first cell is passaged to 3-6 generation, then starvation lacks after 24 hours Oxygen culture 24 hours, administration, each administration group concentration be 50 μM, cultivate 72h after by ELISA count group of cells in TNF-α with The expression of IL-6).As shown in Figure 1, hypoxemia condition of culture and PDGF-BB are remarkably improved in PASMCs and PAECs The expression of TNF-α and IL-6 prompts hypoxemia condition of culture and PDGF-BB to be remarkably improved inflammation;And each administration group is at two plants The expression for inhibiting TNF-α and IL-6 in cell to some extent, mitigates inflammation.Wherein the inhibition Inflammatory effects of FDCA group are most It is good, better than F, DCA and the administering drug combinations group of the two.Prompt F and DCA has certain synergistic effect at anti-inflammatory aspect, may The reason of be FDCA as a whole molecule compared to F and DCA have preferably across the ability of cell membrane.
Two, influence of the FDCA compound to the MCT PAH rat model haemodynamics induced
It further studies in P of Rats AH model caused by monocrotaline (MCT), the treatment of FDCA and related compound is made With.Animal packet: 1. Normal group;2. Normal group+FDCA;3. MCT model group;4. Fasudil dihydrochloride (F) Treatment group;5. DCA treatment group;6. F+DCA combination therapy group;7. FDCA administration group.The foundation of rat model: animal model group and Treatment group's disposable celiac injects monocrotaline (MCT) 60mg/kg, and Normal group injects same amount of normal saline.Experiment process: In the 14th day of injection monocrotaline, each administration group started to be administered with equimolar dosage, and administration mode is gastric infusion, and daily one Secondary, F group 37.5mg/kg, DCA group 15.5mg/kg, F+DCA combination therapy group includes F (37.5mg/kg) and DCA15.5mg/kg, Normal group+FDCA organizes 43.3mg/kg;FDCA group 43.3mg/kg.The physiological saline that normal group and model group give equivalent is fed It supports.Each group is in the 28th day progress mean pulmonary arterial pressure power (mPAP), right ventricular systolic pressure (RVSP) and average body circulation pressure (mSAP) measurement, then puts to death rat and lung tissue and heart is taken to carry out Right ventricular hypertrophy index (RV/LV+S), and PCNA detection is exempted from Epidemic disease histochemical stain, hematoxylin eosin staining, the processing such as Masson dyeing, it is dynamic in haemodynamics, lung to evaluate each administration group Arteries and veins average thickness, pulmonary fibrosis degree, the activity of right heart function etc..As a result as shown in Fig. 2, being compared with Normal group, It is little directly to give influence of the FDCA to mPAP, RVSP and the RV/LV+S of normal rat, illustrates that the safety of FDCA is higher.And MCT model group can apparent increase mPAP, RVSP and RV/LV+S.Each administration group can be effectively reduced mPAP, RVSP and RV/LV+ S, wherein FDCA group reduces the active most strong of mPAP, RVSP and RV/LV+S, is better than F, the administering drug combinations of DCA and the two.Separately Outside, influence of each administration group to mSAP is smaller.
Three, influence of the FDCA compound to the MCT PAH rat model pulmonary artery induced
As shown in figure 3, ratio of the different dosing group to Pulmonary Arterioles of Rat Exposed vessel wall thickness and lung arteriolar diameter (PAMT) and the influence of degree of fibrosis slightly excellent, it can be found that FDCA can effectively reduce PAMT and lung parteriole degree of fibrosis In F, the administering drug combinations of DCA and the two.
Four, influence of the FDCA compound to the MCT PAH rat model right ventricle induced
As shown in figure 4, influence of each administration group to myocardium of right ventricle cell area and degree of fibrosis, as a result prompt and sky White control is compared, and MCT model group dramatically increases rat right ventricular cardiomyocyte surface area and degree of fibrosis.And administration group, especially It is that FDCA can significantly reduce myocardium of right ventricle cell area and degree of fibrosis, is better than F, DCA and the two administering drug combinations group, as a result The proliferation and reconstruct of myocardium of right ventricle cell can be effectively suppressed in prompt FDCA.
Embodiment 10
Prevention and/or treatment subarachnoid hemorrhage
Experimental animal
SPF grades of SD rats, weight 260-340g, male and female half-and-half, purchased from Beijing tie up the limited public affairs of tonneau China experimental animal technology Department raises in SPF grade feeding environments, room temperature control at 23 ± 2 DEG C, free diet with take the photograph water.Animal number 32.It is false Operation group: isometric physiological saline contains 1% DMSO (n=8);
Experimental method
Test grouping situation and drug concentration selection:
SAH model group: isometric physiological saline contains 1% DMSO (n=8);Fasudil dihydrochloride (F) group: (26.0mg/kg) (n=8);Dichloroacetate sodium (DCA) group: (10.7mg/kg) (n=8): Fasudil dihydrochloride joint two Sodium chloroacetate (F+DDCA) group: (F:26.0mg/kg;DCA:10.7mg/kg) (n=8);FDCA group: (30mg/kg) (n=8); All drugs are made into the normal saline solution containing 1%DMSO, and administration mode is tail vein injection administration.Respectively in SAH (rat spider The modeling of net film lower cavity hemorrhage) it is administered after 0.5h and 6h afterwards each primary, sham-operation group and model group are contained using isometric physiological saline 1%DMSO is replaced.
Model and medication
Bibliography (Stroke, 1995,26,1086-1092) the intravascular perforation model for carrying out SAH.It will be big Mouse anesthesia, is intubated and keeps artificial ventilation in 70%/30% medical air/oxygen with 3% isoflurane during operation.Pass through Rectal prob monitors body temperature, and maintains normal heat by heating lamp.The 4-0 nylon suture of sharpening is introduced into left internal carotid (ICA) until feeling resistance (away from arteria carotis communis bifurcated about 18mm).Then suture is pushed further into pierce through forebrain and move The bifurcated of arteries and veins and arteria cerebri media, until overcoming resistance and being recalled immediately after perforation.In sham-operation animal, suture is inserted into Left ICA, but do not perforate.After suture removes, notch is closed, rat is housed individually in the cage of heating until extensive It is multiple.
Spontaneous activity scoring: by rat be placed in it is one spacious, can move freely, carried out in the cage that four walls are accessible it is spontaneous Activity score.Experimental rat is evaluated and recorded with double-blind study respectively by 2 experimenters for 24 hours after SAH modeling, takes 2 groups Mean value is final score, puts to death rat immediately after spontaneous activity observation.Spontaneous activity is scored according to animal mental state and movement Situation is divided into 4 grades: 1 grades, and activities in rats is normal, non-activity obstacle, tries to explore surrounding environment, at least touches the upper of three face cage walls Edge;2 grades, gentle activity obstacle, i.e. rat spirit are poor, drowsiness, and action has certain delay, do not reach all cage walls, but He at least touches the upper limb of a face cage wall;3 grades, moderately active obstacle, i.e. rat can hardly stand, in cage almost without Activity;4 grades, severe moving obstacle, i.e. mouse are not moved, and show the paralysis of limbs.As a result see Fig. 5 A.
Brain water content measurement: putting to death rat after SAH modeling for 24 hours, takes out brain and cerebellum rapidly, is sucked with filter paper Surface blood.Then brain tissue is placed in oven by the quality (weight in wet base) for weighing brain and cerebellum respectively with electronic balance, and 105 DEG C it is baked to constant weight, weighs the quality (dry weight) of brain and cerebellum again.The calculation formula of brain water content are as follows: brain tissue contains Water (%)=(weight in wet base-dry weight)/weight in wet base × 100%.Wherein the tissue water content of cerebellum is as normal control.As a result see figure 5B。
The measurement of basal arteries caliber, Lumen Area and pipe thickness: by the histotomy of above-mentioned each group basal arteries into Row HE dyeing after optical microphotograph is taken a picture under the microscope, measures basal arteries using image pro-plus6.0 image analysis system Caliber, Lumen Area and pipe thickness.The measurement method of Lumen Area is as follows: measuring its lumen week along basal arteries inner surface Long (L), according to formula: diameter (d)=L/ π calculates lumen diameter, and radius (r)=L/2 π calculates lumen radius, Lumen Area (S) according to formula: S=π r2It acquires.The measurement method of pipe thickness is as follows: measurement basal arteries inner surface to middle film outer rim it Away from not including outer membrane.Every blood vessel chooses 4 different test points and measures pipe thickness, takes its average value as the blood vessel Measured value.It the results are shown in Table 1.
Top skin local cerebral blood flow (rCBF) measurement: being opened seam window at the top of postal with the small-sized trepan of diameter 5mm, centre bit The 1mm after Bergma point, rear foreign side 3mm.LDF3 type laser Doppler flowmetry probe is fixed on direction finder micro-thruster, Before preparing SAH and 1 after SAH, 4,12, for 24 hours in time observation rCBF.It the results are shown in Table 2.
Statistical method: spontaneous activity score data indicates that remainder data is indicated with means ± SD using scatter plot;From It sends out activity score and is examined and Mann-Whitney U inspection, remainder data according to statistical difference between group using Kruskal-Wallis Statistical difference is examined using one-way ANOVA and Tukey ' s between group, and P value thinks there is significant difference less than 0.05.
2.3 experimental result
As shown in figs. 5 a-b, compared with SAH model control group, giving different test-compound F and FDCA can be bright It is aobvious to improve animal nerve scoring, hence it is evident that rat brain water content caused by SAH is reduced, wherein FDCA shows strongest activity, It is significantly better than F and DCA, is slightly better than F+DCA.
In addition, FDCA group is obviously improved basal arteries caliber, Lumen Area and pipe thickness (table 1) and top skin part Cerebral blood flow (CBF) (rCBF) (table 2), is significantly better than F, DCA and F+DCA group.The above results show that FDCA has significant anti-spider web The activity of film lower cavity hemorrhage, better than marketed drug Fasudil dihydrochloride and Fasudil dihydrochloride and dichloroacetic acid The administering drug combinations of sodium.
The measurement of table 1. each administration group Rat Basilar lumen diameter, Lumen Area and lumen thickness
Group Lumen diameter (μm) Lumen Area (μm2) Lumen thickness (μm)
Sham 180.66±20.64 25912.41±6017.4 5.94±0.20
Model 122.11±17.00 11903.30±3367.5 11.67±0.61
F 153.73±18.87** 18796.09±4730.3** 8.13±0.80**
DCA 129.10±9.87* 13092.20±1788.6* 10.12±1.21*
F+DCA 160.78±12.65** 20.7162±2987.76** 8.01±0.41**
FDCA 175.91±25.70**# 24745.73±7235.4**## 6.62±0.80**##
Note: P < 0.01 * P < 0.05 compared with model, * *, #P < 0.05 compared with F+DCA group, ##P < 0.01.
The influence that 2 compound of table changes SAH rat local cerebral blood flow
Note: P < 0.01 * P < 0.05 compared with model, * *, #P < 0.05 compared with F+DCA group, ##P < 0.01
Embodiment 11
Prevention and/or treatment cerebral arterial thrombosis
Whether there is neuroprotection in vivo for research FDCA, selects transience rat cerebral ischemia model (tMCAO) It is tested.
Model and medication: after 10% chloraldurate of rats by intraperitoneal injection (350mg/kg) anesthesia, dorsal position is fixed On experimental bench, neck median incision, scalpel cuts skin, each layer tissue of blunt separation, according to rat neck vascular anatomy figure, Left common carotid (CCA) is separated under stereomicroscope, sets in the spare upward separation left external carotid artery (ECA) of line and neck and moves Two External Carotid Artery Branchs of superior thyroid artery and occipital artery are cut in arteries and veins, dual ligation, double at nearly CCA bifurcated about 5mm-8mm ECA is ligatured again, is closed respectively with arteriole folder folder in ICA and CCA proximal part, is accomplished fluently unijunction but not in the nearly crotch indwelling one of ECA The silk thread of tightening does the V-type micro-incision of a diameter about 0.2mm, by Buddhist nun at the ligation of the proximal end ECA between arteria carotis communis crotch Imperial the end of a thread is gently inserted into from incision, gently tightens knot, and internal carotid is cut between two ligatures, is allowed to and internal carotid Artery clamp is unanimously unclamped in direction, and nylon wire is sent into encephalic through ICA along ECA, when the micro- power of being hampered of insertion depth about 18mm~20mm Stop, nylon wire head end is made to be located at MCA section start, blocks the blood flow of MCA to tighten silk thread, sew up the incision, indwelling nylon wire tail end In external.
After ischemic 2h, with 10% chloraldurate anesthetized rat again, gently pull nylon wire that its head end is made to return to micro-incision Locate (slightly resistance sense), arteria cerebri media is made to restore blood supply, carries out Reperfu- sion.Rats in sham-operated group only carries out anesthesia and blood vessel point From art, blood vessel and lead-in wire bolt, postoperative animal heat-preservation are not ligatured.Administration mode: ischemic 4h, for 24 hours rear rat difference tail vein note Penetrate administration.After ischemic 48h, Neuroscore, then put to death rat.
Grouping: sham-operation group (Sham);Blank solvent group (Vehicle);Fasudil dihydrochloride group (F, 30mg/kg, Tail vein injection);FDCA group (30mg/kg, tail vein injection);Butylphenyl phthaleine group (NBP, 5mg/kg, tail vein injection).
TTC dyeing: at full brain optic chiasma and its each 2mm in front and back, do it is coronal cut four knives, be cut into brain piece after five rapidly It sets 5ml to contain in the phosphate buffer solution of 2%TTC, 37 DEG C are protected from light temperature and incubate 10min, turn over during temperature is incubated every 7~8 minutes Dynamic primary, temperature takes out brain piece after incubating 10min, is taken pictures with digital camera (Olympus C-4000, Japan), uses ophthalmic tweezers later Pale area (infarct) and non-pale area (normal area) are separated, infarct percent is calculated such as by Image pro-plus 6.0 Under:
Infarct percent (%)=pale area weight/(pale area's weight+non-pale area's weight) × 100%
Nervous function grading: it after ischemic 48h, is classified according to neurological deficit of Longa ' the s method to animal Scoring, standard are as follows:
0 point: not observing nervous symptoms;
1 point: mention tail it is hanging when, the operation opposite side forelimb of animal shows as wrist elbow buckling, shoulder inward turning, elbow outreach, is close to chest Wall;
2 points: animal being placed in smooth flat, when pushing hands art side shoulder is mobile to opposite side, resistance is reduced;
3 points: side ring being turned or turn-taked to operation when animal freely walks;
4 points;It collapses from physical exhaustion, limbs are without spontaneous activity.
Statistical method: neurological deficit rank scores data indicate that remainder data is with means ± SD using median It indicates;Statistical difference is using Kruskal-Wallis inspection and Mann- between neurological deficit rank scores data group Whitney U is examined, and statistical difference is examined using one-way ANOVA and Tukey ' s between remainder data group, and P value is less than 0.05 thinks there is significant difference.
The result shows that giving rat FDCA (30mg/kg) after ischemic 4h and being effectively reduced brain infarction area (infarct face Product percentage: 7.48%), hence it is evident that be lower than blank solvent group (31.4%) and marketed drug NBP group (21.1%), be significantly better than Fasudil dihydrochloride (30mg/kg) group (13.6%) (as shown in Figure 6, Figure 7);In addition, FDCA improve also significantly it is scarce The neurobehavioral dysfunction of blood induction, hence it is evident that be better than fasudil hydrochloride, be slightly better than NBP (Fig. 8).
Further investigate the Fasudil dihydrochloride (F) of FDCA and equimolar dosage, two in rat tMCAO model The activity that monoxone sodium salt (DCA) and the two equimolar are administered in combination.Modeling method and administration time point are same as above.As a result table It is bright, after ischemic 4h, give rat FDCA (30mg/kg) be effectively reduced brain infarction area (infarct size percentage: 6.78%) F (26.0mg/kg, infarct size percentage: 22.8%) DCA (10.7mg/kg, infarct size percentage, are significantly better than Than: 23.4%) and and the two administering drug combinations group (infarct size percentage: 15.2%) (Fig. 9).In addition, FDCA is also significant Ground improves the neurobehavioral dysfunction of ischemic induction, better than F, DCA and the administering drug combinations (Fig. 9) of the two.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (10)

1. a kind of compound, which is characterized in that the compound is Fasudil complex salt, is selected from Fasudil dichloroacetic acid Salt, Fasudil trifluoroacetate, Fasudil trichloroacetate, Fasudil chloracetate, Fasudil chlorobromacetate, Fasudil tribromoacetic acid salt.
2. compound according to claim 1, which is characterized in that the compound is Fasudil dichloroacetate, knot Structure formula is as follows:
3. compound according to claim 2, which is characterized in that Fasudil dichloroacetate the preparation method comprises the following steps:
It takes appropriate Fasudil to be placed in reaction vessel, the mixing of appropriate reaction dissolvent is added, obtain Fasudil and reaction dissolvent Mixed liquor;
Suitable dichloroacetic acid is added while stirring under reaction temperature 0-100 degree into above-mentioned mixed liquor, continues to stir after dripping off A period of time is mixed, reaction solution is obtained;
Then solvent is concentrated under reduced pressure away in reaction solution, washing recrystallizes to get Fasudil dichloroacetate.
4. compound according to claim 3, which is characterized in that in preparation process, reaction temperature is room temperature, reaction dissolvent For water, the Fasudil of addition and the molar ratio of dichloroacetic acid are 1:1.5, and recrystallization solvent is isopropanol.
5. compound according to claim 1, which is characterized in that the compound is Fasudil trifluoroacetate, knot Structure formula is as follows:
Or, the compound is Fasudil trichloroacetate, structural formula is as follows:
6. compound according to claim 1, which is characterized in that the compound is Fasudil chloracetate, structure Formula is as follows:
Or, the compound is Fasudil chlorobromacetate, structural formula is as follows:
Or, the compound is Fasudil tribromoacetic acid salt, structural formula is as follows:
7. a kind of pharmaceutical composition, wherein the compound described in any one of claims 1-6 containing therapeutically effective amount or its rotation Photoisomer, enantiomer, diastereomer, racemic modification or racemic mixture or its pharmaceutically acceptable salt and pharmaceutically acceptable Carrier, adjuvant or mediator.
8. compound described in any one of claims 1-6 is in the drug of preparation prevention and/or treatment pulmonary hypertension disease Application.
9. compound described in any one of claims 1-6 is in preparation prevention and/or the medicine for the treatment of subarachnoid hemorrhage disease Application in object.
10. compound described in any one of claims 1-6 is in preparation prevention and/or the drug for the treatment of cerebral arterial thrombosis disease In application.
CN201910158848.XA 2019-03-04 2019-03-04 Fasudil composite salt and preparation method and application thereof Active CN109761958B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201910158848.XA CN109761958B (en) 2019-03-04 2019-03-04 Fasudil composite salt and preparation method and application thereof
PCT/CN2019/104910 WO2020177291A1 (en) 2019-03-04 2019-09-09 Fasudil compound salt, preparation method therefor and use thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910158848.XA CN109761958B (en) 2019-03-04 2019-03-04 Fasudil composite salt and preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN109761958A true CN109761958A (en) 2019-05-17
CN109761958B CN109761958B (en) 2020-04-28

Family

ID=66457593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910158848.XA Active CN109761958B (en) 2019-03-04 2019-03-04 Fasudil composite salt and preparation method and application thereof

Country Status (2)

Country Link
CN (1) CN109761958B (en)
WO (1) WO2020177291A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020177291A1 (en) * 2019-03-04 2020-09-10 中国药科大学 Fasudil compound salt, preparation method therefor and use thereof
CN113262226A (en) * 2021-04-19 2021-08-17 浙江大学 Application of lisuridil in preparation of medicament for treating bacterial infection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101092413A (en) * 2006-06-23 2007-12-26 黄振华 Hydrate of medicinal salt of Fasudil
CN101925367A (en) * 2007-11-26 2010-12-22 鲁汶天主教大学 Targeted radiotherapy
CN102276442A (en) * 2011-07-07 2011-12-14 赵永俊 Synthetic method of dichloroacetate
CN108779093A (en) * 2016-03-29 2018-11-09 默克专利股份公司 N1- (tri- fluoro- 2- hydroxy-2-methyls propionos of 3,3,3-)-piperidine derivative of inhibitor as pyruvic dehydrogenase kinase

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4678783B1 (en) * 1983-11-04 1995-04-04 Asahi Chemical Ind Substituted isoquinolinesulfonyl compounds
WO2004106325A1 (en) * 2003-05-29 2004-12-09 Schering Aktiengesellschaft Prodrugs of 1-(1-hydroxy-5-isoquinolinesulfonyl)homopiperazine
CN102633779B (en) * 2012-04-26 2014-01-22 齐鲁制药有限公司 Fasudil acetate as well as preparation method and application thereof
CN109761958B (en) * 2019-03-04 2020-04-28 中国药科大学 Fasudil composite salt and preparation method and application thereof
CN109734701B (en) * 2019-03-04 2020-07-14 中国药科大学 ROCK inhibitor-dichloroacetic acid complex salt and preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101092413A (en) * 2006-06-23 2007-12-26 黄振华 Hydrate of medicinal salt of Fasudil
CN101925367A (en) * 2007-11-26 2010-12-22 鲁汶天主教大学 Targeted radiotherapy
CN102276442A (en) * 2011-07-07 2011-12-14 赵永俊 Synthetic method of dichloroacetate
CN108779093A (en) * 2016-03-29 2018-11-09 默克专利股份公司 N1- (tri- fluoro- 2- hydroxy-2-methyls propionos of 3,3,3-)-piperidine derivative of inhibitor as pyruvic dehydrogenase kinase

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020177291A1 (en) * 2019-03-04 2020-09-10 中国药科大学 Fasudil compound salt, preparation method therefor and use thereof
CN113262226A (en) * 2021-04-19 2021-08-17 浙江大学 Application of lisuridil in preparation of medicament for treating bacterial infection

Also Published As

Publication number Publication date
WO2020177291A1 (en) 2020-09-10
CN109761958B (en) 2020-04-28

Similar Documents

Publication Publication Date Title
CN109734701A (en) ROCK inhibitor-dichloroacetic acid double salt and its preparation method and application
KR20150036084A (en) Novel 5-aminotetrahydroquinoline-2-carboxylic acids and use thereof
WO2014012935A1 (en) Substituted aminoindane- and aminotetralincarboxylic acids and use thereof
EP2985283B1 (en) Anti-angiogenesis compound, intermediate and use thereof
CN109678715B (en) Salt, the preparation method and the usage that 2- (1- acyl-oxygen n-pentyl) benzoic acid and basic amino acid or aminoguanidine are formed
CN109761958A (en) Fasudil complex salt and its preparation method and application
JPH06234637A (en) Use of leflunomide for inhibiting tumor necrosis factor alpha
CN108250058A (en) PPAR agonists and its purposes in treatment senile dementia and other diseases
AU2015268575B2 (en) Derivative of butylphthalide and preparation method and use thereof
CN109806263A (en) A kind of pharmaceutical composition and its preparation method and application
CN110483367A (en) The purposes of Benzazole compounds in medicine preparation
CN115959996A (en) NO donor compound, and pharmaceutical composition and application thereof
CN109956868A (en) A kind of phenyl carboxylic acid&#39;s derivative, Its Preparation Method And Use
WO2020249120A9 (en) Use of aminothiol compounds as cerebral nerve or heart protective agent
CN100999519B (en) (-) poly thaazoleazine methylsulfonate, its preparation process and use
IL298864A (en) Alkenyl pyrimidine compound, preparation method therefor, and application thereof
JP2022517396A (en) EGFR inhibitor salt, crystalline form and method for producing it
DE102007019690A1 (en) Use of cyclic substituted furopyrimidine derivatives for the treatment of pulmonary arterial hypertension
CN104478798B (en) N-aminoalkyl-3-pyridinecarboxamide derivative and application of N-aminoalkyl-3-pyridinecarboxamide derivative in preparation of drugs for treating cardiovascular and cerebrovascular diseases
WO2002092085A1 (en) Pharmaceutical compositions comprising chelidonine or derivatives thereof
CN102260249B (en) (-) doxazosin mesylate type II crystal as well as preparation method and application thereof
CN115991702B (en) Aryl C-glucoside derivative, preparation method and application thereof
WO2023104201A1 (en) Aryl c-glucoside derivative, preparation method therefor and use thereof
EP1532140A1 (en) Thienylhydrazon with digitalis-like properties ( positive inotropic effects )
WO2023147311A1 (en) Ubiquitin-specific-processing protease 1 (usp1) inhibitors for the treatment of solid tumors

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant