WO2013000399A1 - 一种取代桂皮酰胺衍生物、制备方法及其应用 - Google Patents

一种取代桂皮酰胺衍生物、制备方法及其应用 Download PDF

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WO2013000399A1
WO2013000399A1 PCT/CN2012/077549 CN2012077549W WO2013000399A1 WO 2013000399 A1 WO2013000399 A1 WO 2013000399A1 CN 2012077549 W CN2012077549 W CN 2012077549W WO 2013000399 A1 WO2013000399 A1 WO 2013000399A1
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acid
group
trifluoromethyl
derivative
hydrocarbon group
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PCT/CN2012/077549
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English (en)
French (fr)
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马晓慧
靳元鹏
韩民
周水平
周王谊
罗学军
王国成
颜璐璐
张兰兰
朱永宏
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天士力制药集团股份有限公司
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Priority to EP12803864.3A priority Critical patent/EP2725018B1/en
Priority to US14/128,572 priority patent/US10071989B2/en
Priority to JP2014517419A priority patent/JP6078059B2/ja
Priority to KR1020177018171A priority patent/KR101861656B1/ko
Priority to AU2012276114A priority patent/AU2012276114B2/en
Priority to NZ618801A priority patent/NZ618801B2/en
Application filed by 天士力制药集团股份有限公司 filed Critical 天士力制药集团股份有限公司
Priority to CN201280020049.2A priority patent/CN103687850B/zh
Priority to RU2014102302/04A priority patent/RU2587668C2/ru
Priority to KR1020147000157A priority patent/KR20140036294A/ko
Priority to CA2838495A priority patent/CA2838495C/en
Publication of WO2013000399A1 publication Critical patent/WO2013000399A1/zh
Priority to ZA2014/00188A priority patent/ZA201400188B/en

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/62Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/06Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/24Antidepressants
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/52Radicals substituted by halogen atoms or nitro radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/50Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/60Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/62Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/68Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/357Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
    • A61K31/36Compounds containing methylenedioxyphenyl groups, e.g. sesamin
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
    • C07D317/62Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
    • C07D317/64Oxygen atoms

Definitions

  • the invention relates to the field of organic chemistry and pharmacy.
  • the present invention relates to a compound having the structure of formula (I); the present invention also includes pharmaceutically acceptable acid addition salts of the compounds of formula (I), processes for their preparation and pharmaceutical compositions containing same And the use of the compound of formula (I) for the preparation of a medicament for the treatment and prevention of depressive psychosis.
  • Depression is an emotional disorder that is a mental illness syndrome characterized by low mood. Its clinical manifestations are low mood, slow thinking, reduced speech movements, and loss of interest in work. According to the World Health Organization, depression has become the fourth largest disease in the world. By 2020, depression may become the second largest disease after heart disease. At present, the number of people with depression in China is about 26 million, of which only 10% are treated with regular drugs. Antidepressants are bound to have huge potential market demand.
  • the first drug for the treatment of depression was a monoamine oxidase inhibitor, which was gradually replaced by a tricyclic antidepressant due to its selectivity and irreversible inhibition of the enzyme leading to toxic liver damage.
  • Commonly used drugs are doxepin, amitripty, clomipramine and the like.
  • Y is ⁇ or NR 3 , O or S; where dd. Linear hydrocarbon group, C 3 -d. Branched hydrocarbon group, C 3 -d. a cycloalkyl group or a C 6 -C 10 aromatic hydrocarbon group;
  • d- Linear hydrocarbon group, -. Branched hydrocarbon group, -. Cycloalkyl, C. Aromatic hydrocarbon group, d-. An alkanol group or an N-substituted piperazine derivative group; or R 2 is a group forming a tetrahydropyrrolyl group, a piperidinyl group or a cyclohexylimine group with an adjacent Y.
  • a compound of the present invention or a pharmaceutically acceptable acid addition salt thereof wherein the acid addition salt is derived from sulfuric acid, hydrochloric acid, hydrobromic acid, phosphoric acid, tartaric acid, fumaric acid, maleic acid, citric acid, acetic acid, formic acid, A salt formed of methanesulfonic acid, p-toluenesulfonic acid, oxalic acid or succinic acid, preferably a hydrochloride.
  • Another object of the present invention is to provide a process for the preparation of a compound having the structure of formula (I).
  • the compound having the structure of the formula (I) in the present invention preferably has a structure of a substituted butyl cinnamate derivative which can be synthesized by the following synthesis route:
  • An acylated derivative (including an acyl group, an azide, an acid anhydride, an activated ester) obtained by substituting a cinnamic acid derivative, the acylated derivative being condensed with an organic amine to obtain an amide derivative; or, a substituted cinnamic acid derivative Condensing agent (HATU, HBTU, EDCI, DCC, etc.) is condensed with an organic amine to obtain an amide derivative;
  • the most convenient method is to use an acid corresponding to the product to obtain a corresponding amide compound by amidation, such as:
  • the preferred structure in the present invention is a 5'-trifluoromethyl-3',4'-methinedioxycinamide derivative, which can be synthesized by the following synthetic route: 5'-trifluoromethyl-3', 4'-methinedioxycinnamic acid is used as a raw material to obtain an acylated derivative thereof (including an acid halide, an azide, an acid anhydride, an activated ester), and the acylated derivative is condensed with an organic amine to obtain an amide derivative; Alternatively, 5'-trifluoromethyl-3',4'-methylenedioxycinnamic acid, a condensing agent (HATU, HBTU, EDCI, DCC, etc.) is condensed with an organic amine to give an amide derivative.
  • a condensing agent HATU, HBTU, EDCI, DCC, etc.
  • the acid addition salts of the compounds of the present invention can be obtained by acid-base neutralization using conventional techniques in the chemical arts. If the compound of the present invention is reacted with sulfuric acid, hydrochloric acid, hydrobromic acid, pity acid, tartaric acid, fumaric acid, maleic acid, citric acid, acetic acid, formic acid, methanesulfonic acid, p-toluenesulfonic acid, oxalic acid or succinic acid, An acid addition salt, preferably a hydrochloride salt.
  • the invention also includes pharmaceutical compositions comprising a compound of the invention or a pharmaceutically acceptable salt thereof.
  • compositions of the invention are preferably in the form of a unit dosage form of the pharmaceutical preparation.
  • the unit dose of the medicament may contain 0.1 to 100 mg of the pharmaceutically active substance of the present invention, which is a pharmaceutically acceptable carrier.
  • the pharmaceutically acceptable carrier may be from 0.01 to 99.99% by weight based on the total weight of the formulation.
  • composition of the present invention is used in accordance with the condition of the patient at the time of use, such as 1-3 times a day, 1-10 tablets at a time, and the like.
  • the composition of the present invention is an oral preparation or an injection.
  • the oral preparation is one selected from the group consisting of a capsule, a tablet, a dropping pill, a granule, a concentrated pill, and an oral liquid.
  • the injection is selected from the group consisting of an injection solution, a lyophilized powder injection, and a water injection.
  • the orally administered preparation may contain conventional excipients such as a binder, a filler, a diluent, a compressed tablet, a lubricant, a disintegrant, a coloring agent, a flavoring agent or A humectant, which can be coated if necessary.
  • excipients such as a binder, a filler, a diluent, a compressed tablet, a lubricant, a disintegrant, a coloring agent, a flavoring agent or A humectant, which can be coated if necessary.
  • Suitable fillers include cellulose, mannitol, lactose or other similar fillers.
  • Suitable disintegrants include starch, polyvinylpyrrolidone or starch derivatives, preferably sodium starch glycolate.
  • a suitable lubricant is magnesium stearate.
  • a suitable wetting agent is sodium lauryl sulfate.
  • the pharmaceutical composition of the present invention can be prepared into a solid oral composition by a usual method such as mixing, filling, and tableting. Repeated mixing allows the active material to be distributed throughout the composition using a large amount of filler.
  • the oral liquid preparation may be in the form of an aqueous or oily suspension, solution, emulsion, syrup or elixir, or a dry product which may be formulated with water or other suitable carrier before use.
  • Such liquid preparations may contain conventional additives such as suspending agents such as sorbitol, syrup, methylcellulose, gelatin, hydroxyethylcellulose, carboxymethylcellulose, aluminum stearate gel or hydrogenated edible fat; Emulsifiers, such as egg pity, sorbitan monooleate or gum arabic; non-aqueous carriers (which may include edible oils), such as almond oil, tiller coconut oil, oily esters such as glycerides, propylene glycol or ethanol; A preservative such as p-hydroxybenzyl ester, propyl p-hydroxybenzoate or sorbic acid; and if desired, may contain conventional flavoring or coloring agents.
  • suspending agents such as sorbitol, syrup, methylcellulose, gelatin, hydroxyeth
  • the liquid unit dosage form prepared contains the active substance of the invention and a sterile vehicle.
  • This compound can be suspended or dissolved depending on the carrier and concentration.
  • the solution is usually prepared by dissolving the active substance in a carrier, sterilizing it by filtration before filling it into a suitable vial or ampoule, and then sealing. Excipients such as local anesthetics, preservatives and buffers can also be dissolved in such carriers.
  • the composition can be frozen after filling the vial and the water removed under vacuum.
  • the pharmaceutical composition of the present invention may optionally be added to a suitable pharmaceutically acceptable carrier when prepared as a medicament, the pharmaceutically acceptable carrier being selected from one or more of the following: a sugar alcohol such as mannitol or sorbitol. , xylitol; amino acids, such as cysteine hydrochloride, methionine, glycine; disodium EDTA, calcium EDTA; inorganic salts, such as monovalent alkali metal carbonates, phosphates or their aqueous solutions; sodium chloride, chlorine Potassium; sodium metabisulfite, sodium hydrogen sulfite, sodium thiosulfate; calcium carbonate, calcium hydrogencarbonate; stearate, such as calcium stearate, magnesium stearate; inorganic acid, such as hydrochloric acid, sulfuric acid, phosphoric acid; Acids such as acetic acid, vitamin C; organic acid salts such as acetate, sodium lactate; oligosaccharides, polysacchari
  • the pharmaceutical composition of the present invention may be used in combination with other antidepressant drugs, or the pharmaceutical composition of the present invention, in addition to the compound of the present invention, may also include one or more of the following drugs for preventing and treating mental disorders. : such as nafazodone, sulpiride, alprazolam, lora, buspirone, tandospirone, methylphenidate, fluoxetine, paroxetine, sertraline, citalopram, lespro, fluoride Fusamine, Reboxetine, Venlafaxine, Trifluorothioxanthine, Tetramethylammonium, Lu Xiaotai, etc.
  • the invention demonstrates that the substitution of cinnamamide and its derivatives can reduce the immobility time of the "acquired despair” depression model mice, and significantly shorten the immobility time of the mouse forced swimming test, which is antagonistic.
  • Reserpine consumes the activity of monoamines and can be used as a medicine for the treatment and prevention of depressive psychotic diseases.
  • Fluoxetine hydrochloride manufacturer: Patheon France (France); Sub-packaging factory: Lilly Suzhou Pharmaceutical Co., Ltd.; Specification: 20mg/granule; Batch number: 81958, temporarily prepared with 2% Tween 80 aqueous solution containing drug lmg/ Ml solution.
  • mice were randomly selected for observation of the number of spontaneous activities.
  • the mice were placed in the YLS-1A multi-function mouse autonomic activity recorder, and after 1 min, the number of mouse activities from the end of the lmin to the fourth min was recorded.
  • 96 mice that were screened for autonomic activity at 70-140 times were randomly divided into 8 groups.
  • One daily intragastric administration was given according to Table 1, and continuous administration was given for 7 days.
  • the solvent control group was given the same volume of 2% Tween 80. Aqueous solution. After 30 min of drug administration on the 6th day, the mice were placed in the YLS-1A multi-function mouse autonomic activity recorder. After 1 min, the number of mouse activities from the end of the lmin to the 4th min was recorded.
  • mice After 30 minutes of administration on the 7th day, the mouse end lcm was fixed on the support with a tape, and the head was placed upside down. The head was about 30 cm away from the table, and the line of sight of the adjacent animals was separated by a plate. The mice struggled to overcome abnormal postures, but after a period of activity, they appeared intermittent and showed disappointment. Each animal recorded a cumulative time within 6 minutes, which was a disappointment time. Immobility time means that all limbs in the mouse are not moving except for breathing.
  • mice 130 mice were randomly selected for observation of the number of spontaneous activities. The method was the same as experiment 1.
  • 108 mice screened for autonomous activities between 70 and 140 were randomly divided into 9 groups.
  • the rats were intragastrically administered once a day according to Table 2, and administered continuously for 7 days.
  • the solvent control group was given the same volume of 2% Tween 80.
  • Aqueous solution The animals in each group were observed for the number of spontaneous activities 30 minutes after the administration on the 6th day. After 30 minutes of administration on the 7th day, the suspension time was observed.
  • the method was the same as Experiment 1.
  • Experiment 1 evaluated the effects of 1-1, 1-2, 1-3, 1-4, 1-5, 1-6 on the number of spontaneous movements and the time of suspension.
  • Table 1 shows: After 1 week of intragastric administration, compared with the solvent control group, fluoxetine hydrochloride administered by lOmg/kg had no effect on the spontaneous activity of the mice, which significantly reduced the time of mouse tail suspension (p ⁇ 0.01); 1-4, 1-5 by 10mg/kg intragastric administration can also significantly shorten the time of mouse tail suspension (p ⁇ 0.05, p ⁇ 0.01), no effect on the spontaneous activity of mice; The administration group had different degrees of reduction in the tail suspension time of the mice, but there was no statistical difference. Compared with 1-1, 1-4 and 1-5 antagonized the mice's tail suspension and did not work better (p ⁇ 0.05).
  • Experiment 2 evaluated the effects of 1-5, 1-8, 1-9, 1-10, 1-11, 1-12, 1-13 on the number of spontaneous movements and the time of suspension of mice.
  • Table 2 shows: 1 week after intragastric administration, 1-5, 1-9, 1-10, 1-11, 1-12, 1-13 can be administered at a dose of 10 mg/kg compared with the solvent control group.
  • the time of immobilization of mice was shortened, which was statistically significant (p ⁇ 0.01), but had no effect on the behavior of spontaneous activity of mice, indicating that these compounds have certain antidepressant activity on the basis of no central excitatory effects.
  • Table 2 Effect of each compound on the number of spontaneous activities of mice and the immobility time of tail suspension experiment
  • Reserpine injection produced by Shanghai Fudan Fuhua Pharmaceutical Co., Ltd., specification lmg/ml, batch number x070302.
  • mice with autonomous activity between 70 and 140 were randomly divided into 10 groups.
  • the drugs and doses listed in Table 4 were intragastrically administered once a day for 7 days.
  • the normal group and the solvent control group were given.
  • 2% Tween 80 aqueous solution of the same volume.
  • Each group of animals received intraperitoneal injection of reserpine at 4 mg/kg in addition to the normal group of animals 30 min after the last administration. All animals were then unable to exercise, drooping, and surface temperature observations.
  • the observation method was the same as Experiment 1.
  • Respinepine reversal is a vesicle reuptake inhibitor that leaves the transmitter outside the vesicle and is easily degraded by monoamine oxidase, thereby depleting NE, E, DA, and 5-HT, causing behavioral and Physiological changes that cause depressive symptoms.
  • mice showed obvious symptoms of ptosis, movement and body surface temperature drop.
  • lOmg/kg positive drug fluoxetine can significantly increase the circle-out rate and body surface temperature of mice, and significantly reduce the degree of eye closure in mice (p ⁇ 0.01); 1-1, 1-2, 1
  • the drooping, circling rate and body surface temperature of the mice in the -3, 1-4, 1-5, and 1-6 groups were significantly improved compared with the solvent control group (p ⁇ 0.05, p ⁇ 0.01).
  • mice in group I-3, I-4, and I-5 were lower than that in group 1-1 (p ⁇ 0.01); 1-2, 1-3, 1
  • the out circle rate of mice in groups -4, 1-5, and 16 was significantly increased (p ⁇ 0.05). From the point of view of the degree of closed eyes, the rate of exit and the temperature of the body surface, the effects of 1-4 and 1-5 were optimal.
  • Experiment 2 evaluated the antagonism of 1-1, 1-8, 1-9, 1-10, 1-11, 1-12, 1-13 on intraperitoneal injection of reserpine in mice.
  • Table 4 shows that compared with the normal group, the degree of closed eyes of the solvent control group was significantly increased ( ⁇ 0.01), and the body surface temperature and the exit rate were significantly decreased ( ⁇ 0.01), indicating that the mice were injected intraperitoneally with reserpine.
  • the depression model is successful.
  • lOmg/kg positive drug fluoxetine can significantly increase the mice's circle-out rate, significantly reduce the degree of closed eyes and increase the body surface temperature (p ⁇ 0.01); 1-1, 1-8
  • the doses of 1-9, 1-11, 1-12, 1-13 at 10 mg/kg significantly improved the degree of drooping, body surface temperature and circumcision in mice, with significant statistical difference (p ⁇ 0.05).
  • p ⁇ 0.01); 1-10 dose of 10mg / kg can significantly improve the degree of eyelid ptosis in mice (p ⁇ 0.01), but the body surface temperature and the out circle rate of mice have some improvement but no statistical difference.
  • Fluoxetine hydrochloride manufacturer: Patheon France (France); Sub-packaging factory: Lilly Suzhou Pharmaceutical Co., Ltd.; Specification: 20mg/granule; Batch number: 81958, Temporary use of 2% Tween 80 aqueous solution to prepare medicine containing 1mg/ml The solution.
  • mice 80 C57BL/6 mice, male, 6-8 weeks old, weighing 18-22 g, adapted for 1-2 days, placed in YLS-1A multi-function mouse autonomic activity recorder, adapted to Imin After that, the number of mouse activities from the end of the first to the fourth minute was recorded.
  • Sixty mice with autonomous activities of 70-140 times were randomly divided into 6 groups. The drugs and doses listed in Table 5 were administered once daily for 7 days, and the solvent control group was given the same volume. 2% Tween 80 aqueous solution.
  • the mice were forced to swim in a cylindrical glass jar with a water depth of 10 cm and a water temperature of 25 ° C. After 15 minutes, the animals were taken out and dried and returned to the cage.
  • mice After 24 h, after 30 min of the last gavage, the mice were placed in glass bottles of 10 cm in diameter, 30 cm in height and 10 cm in water depth with 25 ° C water (intersecting with opaque partitions to avoid mutual influence). The environment was 2 min, and the cumulative immobility time of the mice from the 2nd minute to the 6th minute was recorded.
  • the immobile state means that "the mouse stops struggling or floating in the water, and the micro-volume body has only a small limb movement to keep the head floating on the water surface, and the nostrils are exposed.”
  • Statistic Using SPSS 10.0 software analysis, the experimental results were compared by one-way ANOVA to compare the significance of differences between groups.
  • the compounds of the present invention 1-4, 1-5, 1-9, 1-10, 1-11, 1-12 and 1-13 are The dose of 10 mg/kg for 7 days can significantly shorten the time of mouse tail suspension.
  • the compounds of the present invention 1-4, 1-5, 1-8, 1-9, 1-10, 1-11, 1-12 and 1-13 are 10 mg/kg. After 7 days of continuous dose administration, it significantly antagonized the decrease in body surface temperature, the inability to exercise, and the improvement of the degree of closed eyes caused by reserpine, indicating that the compounds of the present invention have a certain reuptake of 5-HT, NE and DA. Regulating effect.
  • the compounds 1-5, 1-10 and 1-13 of the present invention can significantly shorten the time of forced swimming in mice, and the effect of 1-5 on the forced swimming time of mice Presenting a dose dependency.
  • reaction solution was concentrated by rotary evaporation to dryness.
  • 2N Hydrochloric acid was slowly added dropwise to the above solution to pH 2.0, and stirring was continued for 1 hour to precipitate a yellow solid.
  • the solid was collected by vacuum filtration, and dried under vacuum to give an intermediate. 5'-Nitro-3',4'-methionine cinnamic acid (190 mg, 73%).
  • reaction solution was concentrated by rotary evaporation to dryness. Slowly toward the above solution 2N Hydrochloric acid was added dropwise to pH 2.0, and stirring was continued for 1 hour to precipitate a pale yellow solid.
  • reaction solution was concentrated by rotary evaporation to dryness.
  • 2N Hydrochloric acid was slowly added dropwise to the above solution to pH 2.0, and stirring was continued for 1 hour to precipitate a pale yellow solid.
  • reaction solution was concentrated by rotary evaporation to dryness.
  • 2N Hydrochloric acid was slowly added dropwise to the above solution to pH 2.0, and stirring was continued for 1 hour to precipitate a pale yellow solid.
  • the application of the present invention in the field of pharmacy is not limited thereto, and the drug substance may also be any one of the compounds of the present invention or a pharmaceutically acceptable acid addition salt thereof.
  • the pharmaceutical dosage form of the present invention is not completely limited thereto, and it can be prepared into more dosage forms such as dropping pills, sustained release preparations and the like in any pharmaceutically acceptable pharmaceutical form.

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Abstract

本发明涉及一种取代桂皮酰胺衍生物、制备方法及其应用。本发明的取代桂皮酰胺衍生物具有式(I)结构,本发明还包括以取代胡椒醛衍生物为原料经过Wittig反应和酸胺缩合反应制备本发明的取代桂皮酰胺及其衍生物的方法以及可作为治疗和预防抑郁型精神疾病药物的应用。

Description

一种取代桂皮酰胺衍生物、 制备方法及其应用
技术领域
本发明涉及有机化学和药物学领域。 具体而言, 本发明涉及一种化合物, 所述化合物具有式(I )结 构; 本发明还包括式(I )化合物的可药用酸加成盐、 它们的制备方法和含有它们的药物组合物, 以及式 (I ) 化合物在制备治疗和预防抑郁型精神疾病药物中的应用。
背景技术
抑郁症属于情感性精神障碍, 是一种以心境低落为主要特征的精神疾病综合症。 其临床表现为情绪 低落、 思维迟钝、 言语动作减少、 对工作失去兴趣等。 据世界卫生组织报道, 抑郁症已成为世界第四大 疾患, 到 2020年, 抑郁症可能成为仅次于心脏病的第二大疾病。 目前, 我国抑郁症患者数量约 2600万 人, 其中只有 10%得到正规药物治疗。 抗抑郁药物必将有着巨大的潜在市场需求。
大量的研究提示, 中枢单胺类神经递质、 多巴胺、 胆碱能的变化和相应受体功能的改变及神经内分 泌功能失调可能对本病的发生发展起重要作用。 至此, 抑郁症的治疗原则应该侧重于调整下丘脑单胺类 神经递质含量及其受体功能和恢复正常的神经内分泌。
当前, 抑郁症的主要治疗手段仍为服用药物。 研究资料证实, 抑郁症的病因复杂, 可能与社会心理 因素、 遗传、 人体的生化变化及神经内分泌有关; 而抗抑郁药可能有多种作用靶标, 如受体、 单胺递质 浓度、 细胞因子等, 不同的抗抑郁药可能通过不同的靶标起作用。 第一代治疗抑郁症的药物是单胺氧化 酶抑制剂, 由于选择性以及对酶的不可逆性抑制导致中毒性肝损害, 存在一定毒副作用, 因而逐渐被三 环类抗抑郁药所取代。 常用药物有多塞平、 阿米替平、 氯米帕明等。 尽管此类药物对内因性抑郁效果较 好, 尤其是情绪低落、 兴趣减退、 悲观厌世可获 80%以上的疗效, 但由于对心脏的毒性大, 不良反应也 较多。 选择性 5-HT再摄取抑制剂 (SSRD 是 20世纪 80年代末出现的新型抗抑郁药物, 由于在保持经 典抗抑郁的同时显著减少其他受体所出现的不良反应, 目前已成为欧美国家常用的一线抗抑郁药物。 常 用药物有氟西汀、 帕罗西汀、 舍曲林、 西酞普兰、 氟伏沙明等。 由于经胃肠吸收、 肝脏代谢, 仍存在胃 肠功能紊乱、 部分还有性功能障碍等缺点。 临床研究也显示, 针对单一环节的合成药物难以取得满意的 疗效, 目前还没有一个理想的抗抑郁药物, 能具有较好的疗效和较小的毒副作用。
中国专利申请 (申请号 201010169679.9 ) 公开了 5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺, 其 为胡椒科植物大叶筠中的一种生物碱 (其结构如下图), 动物实验研究发现, 5'-甲氧基 -3',4'-次甲二氧基 桂皮酸异丁基酰胺具有明显的抗抑郁活性。
Figure imgf000002_0001
5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺
但是由于大叶筠植物资源有限以及 5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺在植物中含量较 低, 单从植物中提取分离无法满足进行基础理论和临床应用研究上的需求。通过化学方法合成 5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺及其行生物, 获得抗抑郁活性更高的药物分子是本发明关注的重点。 本发明合成了 5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-1 ) 及其系列衍生物, 并通过多种小 鼠抑郁模型进行了抗抑郁活性药效筛选, 发现了一系列具有显著抗抑郁活性的药物分子。
发明内容
本发明的目的是提供一种具有式 (I ) 结 其可药用酸加成盐:
Figure imgf000003_0001
其中,
为15、 OH、 F、 Cl、 Br、 I、 OCH3、 OCF3、 OCHF2、 OCH2F、 CF3、 CHF2、 CH2F、 CH3、 CH3CH2、 CF3CH2、 CN、 N02、 NH2或 COOR3, 其中 为 15、 d-do直链烃基、 C3-d。支链烃基、 C3-C10环 烃基或 n为 0、 1、 2或 3,
Figure imgf000003_0002
X为 =0、 =S、 H、 SH或 SR3 ;
Y为 Ν或 NR3、 O或 S; 其中 为 d-d。直链烃基、 C3-d。支链烃基、 C3-d。环烃基或 C6-C10 芳香烃基;
为 d- 。直链烃基、 - 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d- 。烷醇基或 N- 取代哌嗪衍生物基团; 或 R2为与相邻的 Y形成四氢吡咯基、 哌啶基或环己亚胺基的基团。
优选的, 其中
Ri为 -CF3 ; η为 0、 1、 2或 3, - 2 单元最少含有一个碳碳单键或者一个碳碳双键;
X为 =0;
Υ为 Ν、 ΝΗ;
为 d- 。直链烃基、 - 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d- 。烷醇基或 N- 取代哌嗪衍生物基团; 或 R2为与相邻的 Y形成四氢吡咯基、 哌啶基或环己亚胺基的基团。
另一优选的是, 具有式 (Π ) 结构的取代桂皮酰胺衍生物:
Figure imgf000004_0001
( II )
其中
Ri ¾ OH、 F、 Cl、 Br、 I、 OCH3、 OCF3、 OCHF2、 OCH2F、 CF3、 CHF2、 CH2F、 CH3、 CH3CH2、 CF3CH2、 CN、 N02、 NH2或 COOR3, 其中 R3为 d-do直链烃基、 C3-d。支链烃基、 C3-C1()环烃基 及 Qr 。芳香烃基;
为15、 d- 。直链烃基、 - 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d- 。烷醇基或 N- 取代哌嗪衍生物基团。
本发明的化合物或其可药用酸加成盐, 所述化合物特别优选的是以下化合物:
5'-甲氧基 -3 ',4'-次甲二氧基桂皮酸异丁基酰胺 ( I- 1 )
Figure imgf000004_0002
1-1
5'-硝基 -3 ',4 '-次甲二氧基桂皮酸异丁基酰胺 ( 1-2 )
Figure imgf000004_0003
1-4
5'-三氟甲基 -3 ',4'-次甲二氧基桂皮酸异丁基酰胺 (1-5 )
Figure imgf000005_0001
5-(5'-甲氧基 -3',4'-次甲二氧基苯 二烯酸异丁基酰胺 (1-6 )
Figure imgf000005_0002
',4'-次甲二氧基桂皮酸异丁基酰胺 (1-7)
Figure imgf000005_0003
1-7
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二甲基酰胺 (1-8)
Figure imgf000005_0004
1-8
;' -三氟甲基 -3',4'-次甲二氧基桂皮酸二乙基酰胺 (1-9)
Figure imgf000005_0005
三氟甲基 -3',4'-次甲二氧基桂皮酸哌啶基酰胺 (1-10)
Figure imgf000005_0006
1-10
-(5'-三氟甲基 -3',4'-次甲二氧基苯基) -丙酸异丁基酰胺 (1-11)
Figure imgf000005_0007
-三氟甲基 -3 ,4-次甲二氧基苯甲酸异丁基酰胺 (1-12 )
Figure imgf000006_0001
1-12
.三氟甲基 -3 ,4-次甲二氧基苯甲酸哌啶基酰胺 (1-13 )
Figure imgf000006_0002
本发明的化合物或其可药用酸加成盐, 其中所述酸加成盐是由硫酸、 盐酸、 氢溴酸、 磷酸、 酒石酸、 富马酸、 马来酸、 柠檬酸、 乙酸、 甲酸、 甲磺酸、 对甲苯磺酸、 草酸或琥珀酸形成的盐, 优选盐酸盐。
本发明的另一目的是提供具有式 (I ) 结构的化合物的制备方法。
本发明中具有式(I )结构的化合物优选结构为取代桂皮酸异丁基酰胺衍生物, 可用通过如下合成路 线合成:
取代胡椒醛衍生物与乙氧甲酰基亚甲基三苯基膦或者膦酰基乙酸三乙酯发生 Wittig反应或者
Wittig-Horner反应, 得到取代桂皮酸衍生物;
由取代桂皮酸衍生物得到其酰化衍生物(包括酰¾、 叠氮化物、 酸酐、 活化酯), 所述酰化衍生物与 有机胺缩合, 得到酰胺衍生物; 或者, 取代桂皮酸衍生物、 缩合剂 (HATU、 HBTU、 EDCI、 DCC等) 与有机胺缩合, 得到酰胺衍生物;
Figure imgf000006_0003
本发明的合成方法, 最方便的方法是采用和产物相对应的酸, 经过酰胺化得到相应的酰胺化合物, 如:
本发明中优选结构为 5'-三氟甲基 -3',4'-次甲二氧基桂皮酰胺衍生物, 即可用通过如下合成路线合成: 以 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸为原料, 得到其酰化衍生物 (包括酰卤、 叠氮化物、 酸酐、 活化酯), 所述酰化衍生物与有机胺缩合, 得到酰胺衍生物; 或者, 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸、 缩合剂 (HATU、 HBTU、 EDCI、 DCC等) 与有机胺缩合, 得到酰胺衍生物。
Figure imgf000007_0001
优选使用酰 ¾直接酰胺化即可。
采用化学领域的常规技术, 用酸碱中和的方式, 可以得到本发明化合物的酸加成盐。 如将本发明化 合物和硫酸、 盐酸、 氢溴酸、 憐酸、 酒石酸、 富马酸、 马来酸、 柠檬酸、 乙酸、 甲酸、 甲磺酸、 对甲苯 磺酸、 草酸或琥珀酸反应得到相应的酸加成盐, 优选盐酸盐。
本发明还包括含有本发明化合物或其药用盐的药物组合物。
本发明的药物组合物可以是任何药物形式: 如: 片剂, 包括糖衣片剂、薄膜衣片剂、肠溶衣片剂、 缓释片剂; 胶囊剂, 包括硬胶囊剂、 软胶囊剂、 缓释胶囊剂; 口服液; 口含剂; 颗粒剂; 冲剂; 丸剂; 散剂; 膏剂, 包括软膏剂、 硬膏剂; 丹剂; 混悬剂; 粉剂; 溶液剂, 例如注射剂; 栓剂; 霜剂; 喷雾剂; 滴剂或贴剂。
本发明的药物组合物优选单位剂量的药物制剂形式。
本发明的药物组合物在制成药剂时, 单位剂量的药剂可含有本发明的药物活性物质 0.1-lOOOmg, 其 余为药学上可接受的载体。 药学上可接受的载体以重量计可以是制剂总重量的 0.01-99.99%。
本发明的组合物在使用时根据病人的情况确定用法用量, 如一日 1-3次、 一次 1-10片等。
优选的, 本发明的组合物为口服制剂或注射剂。
其中, 所述口服制剂选自胶囊剂、 片剂、 滴丸、 颗粒剂、 浓缩丸和口服液中的一种。
其中, 所述注射剂选自注射液、 冻干粉针剂和水针剂中的一种。
对于本发明的药物组合物, 其口服给药的制剂可含有常用的赋形剂, 诸如粘合剂、 填充剂、稀释剂、 压片剂、 润滑剂、 崩解剂、 着色剂、 调味剂或湿润剂, 必要时可对片剂进行包衣。
适用的填充剂包括纤维素、 甘露糖醇、 乳糖或其它类似的填充剂。 适宜的崩解剂包括淀粉、 聚乙烯 吡咯烷酮或淀粉衍生物, 优选羟基乙酸淀粉钠。 适宜的润滑剂为硬脂酸镁。 适宜的湿润剂为十二烷基硫 酸钠。
本发明的药物组合物可通过混合、 填充、 压片中等常用的方法制备固体口服组合物。 进行反复混合 可使活性物质分布在整个使用大量填充剂的组合物中。
口服液体制剂的形式可以是水性或油性悬浮液、 溶液、 乳剂、 糖浆剂或酏剂, 也可以是一种在使用 前可用水或其它适宜的载体复配的干燥产品。 这种液体制剂可含有常规的添加剂, 诸如悬浮剂, 例如山 梨醇、 糖浆、 甲基纤维素、 明胶、 羟乙基纤维素、 羧甲基纤维素、 硬脂酸铝凝胶或氢化食用脂肪; 乳化 剂, 例如卵憐脂、 脱水山梨醇一油酸酯或阿拉伯胶; 非水性载体 (它们可以包括食用油), 例如杏仁油、 分熘椰子油、 诸如甘油酯的油性酯、 丙二醇或乙醇; 防腐剂, 例如对羟基苯甲酯、 对羟基苯甲酸丙酯或 山梨酸; 并且如果需要, 可含有常规的香味剂或着色剂。 对于注射剂, 制备的液体单位剂型含有本发明的活性物质和无菌载体。 根据载体和浓度, 可以将此 化合物悬浮或者溶解。 溶液的制备通常是通过将活性物质溶解在一种载体中, 在将其装入一种适宜的小 瓶或安瓿前过滤消毒, 然后密封。 辅料例如局部麻醉剂、 防腐剂和缓冲剂也可以溶解在这种载体中。 为 了提高其稳定性, 可在装入小瓶以后, 将这种组合物冰冻, 并在真空下将水除去。
本发明的药物组合物在制备成药剂时可选择性地加入适合的药物可接受的载体, 所述药物可接受的 载体选自如下的一种或几种: 糖醇, 例如甘露醇、 山梨醇、 木糖醇; 氨基酸, 例如盐酸半胱氨酸、 蛋氨 酸、 甘氨酸; EDTA二钠、 EDTA钙钠; 无机盐, 例如一价碱金属的碳酸盐、 磷酸盐或其水溶液; 氯化 钠、 氯化钾; 焦亚硫酸钠、 亚硫酸氢钠、 硫代硫酸钠; 碳酸钙、 碳酸氢钙; 硬脂酸盐, 例如硬脂酸钙、 硬脂酸镁; 无机酸, 例如盐酸、 硫酸、 磷酸; 有机酸, 例如醋酸、 维生素 C; 有机酸盐, 例如醋酸盐、 乳酸钠; 寡糖、 多糖、 纤维素及其衍生物, 例如麦芽糖、 葡萄糖、 果糖、 右旋糖苷、 蔗糖、 乳糖、 环糊 精 (例如 β-环糊精)、 淀粉; 巯基乙酸; 硅衍生物; 藻酸盐; 明胶; 聚乙烯吡咯烷酮; 甘油; 吐温 80; 琼脂; 表面活性剂; 聚乙二醇; 磷脂类材料; 高岭土; 滑石粉等。
本发明所述的药物组合物可以和其他抗抑郁药物联合应用,或本发明的药物组合物中, 除含有本发 明化合物外, 还可以包括以下预防和治疗精神疾病药物中的一种或几种: 如萘法唑酮、 舒必利、 阿普唑 仑、 罗拉、 丁螺环酮、 坦度螺酮、 哌甲酯、 氟西汀、 帕罗西汀、 舍曲林、 西酞普兰、 来士普、 氟伏沙明、 瑞波西汀、 文拉法辛、 三氟噻吨、 四甲蒽丙胺、 路忧泰等。
本发明通过动物药效实验表明, 取代桂皮酰胺及其衍生物可降低"获得性绝望"抑郁模型小鼠悬尾实 验不动时间、 明显缩短小鼠强迫游泳实验的小鼠不动时间, 具有拮抗利血平消耗单胺的活性, 可作为治 疗和预防抑郁型精神疾病药物。
因此本发明的进一步目的是提供上述具有式(I )结构的化合物在制备治疗和预防抑郁型精神疾病药 物中的应用。
以下通过实验数据说明本发明所述化合物及其组合物在预防和治疗精神疾病方面的有益效果。 实验一、 小鼠悬尾法 "获得性绝望"抑郁模型实验
(1)实验材料
①药品
1-1、 1-2、 1-3、 1-4、 1-5、 1-6、 1-7、 1-8、 1-9、 1-10、 1-11、 1-12、 1-13由本发明合成方法获得 (纯度 >95%), 加入 2% 吐温 80水溶液, 配制成含药品 lmg/ml的溶液。
盐酸氟西汀, 生产厂家: Patheon France (法国); 分包装厂: 礼来苏州制药有限公司; 规格: 20mg/ 粒; 批号: 81958, 临时用 2% 吐温 80的水溶液配制成含药品 lmg/ml的溶液。
②动物
C57BL/6 小鼠, 购买于北京维通利华实验动物技术有限公司, 实验动物生产许可证: SCXK (京) 2006-0009。
③实验仪器
YLS-1A多功能小鼠自主活动记录仪, 山东省医学科学院设备站。
(2) 实验方法 240只 C57BL/6小鼠, 雄性, 鼠龄 6-8周, 体重 18-22g, 适应性喂养 2-3天。
实验 1 : 随机选取 110只小鼠进行自主活动次数观测。 将小鼠放入 YLS-1A多功能小鼠自主活动记 录仪中, 适应 lmin后, 记录第 lmin末至第 4min 内小鼠活动次数。 筛选出自主活动在 70-140次的 96 只小鼠随机分为 8组,按表 1进行每天灌胃给药 1次,连续给药 7天,溶剂对照组给予同等体积的 2% 吐 温 80水溶液。各组动物于第 6天给药 30min后, 将小鼠放入 YLS-1A多功能小鼠自主活动记录仪中, 适 应 lmin后, 记录第 lmin末至第 4min 内小鼠活动次数。 于第 7天给药 30min后, 将小鼠尾端 lcm处用 胶布固定于支撑物上, 使其呈倒挂状态, 其头部离台面约 30cm, 用板隔开相邻动物的视线。 小鼠为了克 服不正常体位而挣扎活动, 但活动一段时间后出现间断性不动, 显示失望状态。 每只动物记录 6min 内 累计不动的时间, 为失望时间。 不动时间是指小鼠除呼吸外所有肢体均不动。
实验 2: 随机选取 130只小鼠进行自主活动次数观测, 方法同实验 1。 筛选出自主活动在 70-140次 的 108只小鼠随机分为 9组, 按表 2进行每天灌胃给药 1次, 连续给药 7天, 溶剂对照组给予同等体积 的 2% 吐温 80水溶液。 各组动物于第 6天给药 30min后进行自主活动次数观测, 于第 7天给药 30min 后, 进行悬尾不动时间观测, 方法同实验 1。
数据统计: 采用 SPSS 10.0软件分析, 实验结果采用单因素方差分析比较组间差异的显著性。
(3)实验结果
实验 1评价了 1-1、 1-2、 1-3、 1-4、 1-5、 1-6对小鼠自主活动次数和悬尾不动时间的影响作用。 表 1 显示: 灌胃给药 1周, 与溶剂对照组相比, 盐酸氟西汀以 lOmg/kg灌胃给药对小鼠自主活动无影响, 能 明显降低小鼠悬尾不动时间 (p<0.01) ; 1-4、 1-5 以 10mg/kg 灌胃给药也能显著缩短小鼠悬尾不动时间 (p<0.05, p<0.01 ), 对小鼠自主活动行为无影响; 其它给药组对小鼠尾悬不动时间有不同程度的降低, 但无统计学差异。 与 1-1相比, 1-4、 1-5拮抗小鼠悬尾不动作用更优 (p<0.05 ) 。
表 1 各化合物对小鼠自主活动次数和悬尾实验不动时间的影响
Figure imgf000009_0001
注: 与溶剂对照组比较, *ρ<0.05, **ρ < 0.01 ; 与 1-1相比, Δρ<0.05。
实验 2评价了 1-5、 1-8、 1-9、 1-10、 1-11、 1-12、 1-13对小鼠自主活动次数和悬尾不动时间的影响作 用。 表 2显示: 灌胃给药 1周, 与溶剂对照组相比, 1-5、 1-9、 1-10、 1-11、 1-12、 1-13以 10mg/kg剂量给 药均能缩短小鼠悬尾不动时间, 具有统计学显著差异(p<0.01 ), 但对小鼠自主活动行为无影响, 说明这 些化合物在无中枢兴奋性作用的基础上具有一定的抗抑郁活性。 表 2各化合物对小鼠自主活动次数和悬尾实验不动时间的影响
Figure imgf000010_0001
注: 与溶剂对照组比较 **p < 0.01。 实验二、 抗利血平眼睑下垂抑郁模型实验
( 1) 试验材料
①药品
1-1、 1-2、 1-3、 1-4、 1-5、 1-6、 1-7、 1-8、 1-9、 1-10、 1-11、 1-12、 1-13由本发明合成方法获得 (纯度 >95%), 加入 2% 吐温 80的水溶液, 配制成含药品 lmg/ml的溶液。
盐酸氟西汀, 生产厂家: Patheon France (法国); 分包装厂: 礼来苏州制药有限公司; 规格: 20mg/ 粒; 批号: 81958, 临时用 2% 吐温 80水溶液配制成含药品 lmg/ml的溶液。
利血平注射液, 上海复旦复华药业有限公司生产, 规格 lmg/ml, 批号 x070302。
②动物
C57BL/6 小鼠, 购买于北京维通利华实验动物技术有限公司, 实验动物生产许可证: SCXK (京) 2006-0009。
③实验仪器
YLS-1A多功能小鼠自主活动记录仪, 山东省医学科学院设备站。
(2)实验方法
240只 C57BL/6小鼠, 雄性, 鼠龄 6-8周, 体重 18-22g, 适应性喂养 2-3天。
实验 1: 随机选取 120只 C57BL/6小鼠进行自主活动次数观测。 将小鼠放入 YLS-1A多功能小鼠自 主活动记录仪中, 适应 lmin后, 记录第 lmin末至第 4min内小鼠活动次数。 筛选出自主活动在 70-140 次的 96只小鼠随机分为 8组, 按表 3所列药物和剂量每日灌胃给药 1次, 连续给药 7天, 溶剂对照组给 予同等体积的 2% 吐温 80水溶液。 各组动物除了正常组动物外于末次给药 30min后, 按 4mg/kg腹腔注 射利血平。 之后进行运动不能、 眼睑下垂和体表温度观测。 ①运动不能的观测: 腹腔注射利血平 1小时 后, 将小鼠放入直径为 7.5cm的圆圈内观察 15秒, 计算各组小鼠出圈率; ②观察眼睑下垂: 腹腔注射利 血平 1小时后, 观察小鼠眼睑下垂的程度。 眼睑下垂判断标准: 眼开为 0分, 眼闭 1/4为 1分, 眼闭 2/4 为 2分, 眼闭 3/4为 3分, 全闭为 4分; ③观察体表温度下降: 腹腔注射利血平 2小时后, 测量小鼠腹 部体表温度。 实验 2: 随机选取 120只 C57BL/6小鼠进行自主活动次数观测, 方法同实验 1。 筛选出自主活动在 70-140次的 100只小鼠随机分为 10组, 按表 4所列药物和剂量每日灌胃给药 1次, 连续给药 7天, 正 常组和溶剂对照组给予同等体积的 2% 吐温 80水溶液。 各组动物除了正常组动物外于末次给药 30min 后, 按 4mg/kg腹腔注射利血平。 之后所有动物进行运动不能、 眼睑下垂和体表温度观测, 观测方法同 实验 1。
数据统计: 采用 SPSS 10.0软件分析, 实验结果采用单因素方差分析比较组间差异的显著性。
(3)实验结果
利血平拮抗 (reserpine reversal) 是一种囊泡再摄取抑制剂, 它使递质留在囊泡外, 易被单胺氧化酶 降解, 从而使 NE、 E、 DA和 5-HT等耗竭, 引起行为和生理上的变化, 从而造成抑郁症状。
实验 1结果显示, 小鼠给予利血平后, 出现了明显的上睑下垂、 运动不能和体表温度下降症状。 与 溶剂对照组相比, lOmg/kg 阳性药氟西汀能明显提高小鼠出圈率和体表温度, 显著减少小鼠闭眼程度 (p<0.01); 1-1、 1-2、 1-3、 1-4、 1-5、 1-6 组小鼠眼睑下垂、 出圈率和体表温度较溶剂对照组均有不同程度 的显著改善 (p<0.05,p<0.01 )。与 1-1相比, I-3、I-4、I-5组小鼠闭眼程度较 1-1组小鼠有一定的降低 (p<0.01); 1-2、 1-3、 1-4、 1-5、 16组小鼠出圈率有明显增加 (p<0.05)。 从对小鼠闭眼程度、 出圈率和体表温度改善程 度上看, 1-4和 1-5效果最优。
表 3 各化合物对利血平致小鼠闭眼和运动不能的影响 (±SD)
Figure imgf000011_0001
注: 与溶剂对照组相比, *ρ<0.05, **ρ<0.01 ; 与 1-1相比, Δρ<0.05, ΔΔ ρ<0.01。
实验 2评价了 1-1、 1-8、 1-9、 1-10、 1-11、 1-12、 1-13对小鼠腹腔注射利血平的拮抗作用。 表 4显示: 与正常组相比, 溶剂对照组动物的闭眼程度明显增加 (ρ<0.01), 体表温度和出圈率均明显降低 (ρ<0.01), 说明腹腔注射利血平造小鼠抑郁模型是成功的。 与溶剂对照组相比, lOmg/kg阳性药氟西汀能明显提高 小鼠出圈率, 显著减少小鼠闭眼程度和升高体表温度 (p<0.01); 1-1、 1-8、 1-9、 1-11、 1-12、 1-13以 10mg/kg 剂量给药均能明显改善小鼠眼睑下垂程度、体表温度和出圈率, 具有显著统计学差异(p<0.05, p<0.01 ) ; 1-10以 10mg/kg剂量给药可明显改善小鼠眼睑下垂程度(p<0.01 ), 但对小鼠体表温度和出圈率有一定改 善但无统计学差异。 与 1-1相比, 1-11、 1-12、 1-13对小鼠眼睑下垂、 出圈率和体表温度改善程度均有所 提高 (p<0.05, p<0.01 ) ; 1-9、 1-10对小鼠眼睑下垂改善程度有所提高 (p<0.05 )。 从改善小鼠闭眼程度 和体表温度上看, 1-13在一定程度上优于氟西汀组 (p<0.05)。从对小鼠闭眼程度、 出圈率和体表温度改善 程度上看, 1-11、 1-12和 1-13的作用较优。 各化合物对利血平致小鼠闭眼、 运动不能和体表温度的影响 (±SD)
Figure imgf000012_0001
注: 与正常组相比, ΔΔ ρΟ.01 ; 与溶剂对照组相比, *ρ<0.05, **ρ<0.01 ; 与盐酸氟西汀组相比, #ρ<0.05, ##ρ<0.01 ; 与 1-1相比, †p<0.05, ††p<0.01。 实验三、 小鼠强迫游泳实验
(1)实验材料
①药品
1-5、 1-10、 1-13由本发明合成方法获得(纯度 >95%),加入 2% 吐温 80水溶液,配制成含药品 lmg/ml 的溶液。
盐酸氟西汀, 生产厂家: Patheon France (法国); 分包装厂: 礼来苏州制药有限公司; 规格: 20mg/ 粒; 批号: 81958, 临时用 2% 吐温 80水溶液配制成含药品 lmg/ml的溶液。
②动物
C57BL/6 小鼠, 购买于北京维通利华实验动物技术有限公司, 实验动物生产许可证: SCXK (京) 2006-0009。
③实验仪器
YLS-1A多功能小鼠自主活动记录仪, 山东省医学科学院设备站。
(2) 实验方法
80只 C57BL/6小鼠,雄性, 鼠龄 6-8周,体重 18-22g,适应性喂养 1-2天后,将小鼠放入 YLS-1A多 功能小鼠自主活动记录仪中, 适应 Imin后, 记录第 Imin末至第 4min 内小鼠活动次数。 筛选出自主活 动在 70-140次的 60只小鼠随机分为 6组, 按表 5所列药物和剂量每日灌胃给药 1次, 连续给药 7天, 溶剂对照组给予同等体积的 2% 吐温 80水溶液。 第 6天给药后将小鼠分别放入水深 10 cm、 水温 25 °C 的圆柱形玻璃缸中强迫游泳, 15 min后取出动物, 烘干放回笼中。 24 h后, 于末次灌胃 30min后, 将小 鼠放入盛有 25°C水的直径 10cm、 高 30cm、 水深 10cm的玻璃瓶中 (中间用不透明隔板隔开, 以免相互 影响), 适应环境 2min, 再记录第 2min末至第 6min内小鼠累计不动时间。 不动状态是指 "小鼠在水中 停止挣扎或呈漂浮状态, 微卷躯体仅有细小的肢体运动以保持头部浮在水面, 鼻孔露出" 。 数据统计: 采用 SPSS 10.0软件分析, 实验结果采用单因素方差分析比较组间差异的显著性。
(3)实验结果
实验结果显示: 与溶剂对照组相比, 1-5、 1-10、 1-13 在测试的剂量范围内均能明显缩短小鼠强迫游 泳的不动时间, 具有统计学显著差异 (p<0.05, p<0.01 ), 1-5 对小鼠强迫游泳不动时间的影响呈现一定 的剂量依赖性。
衍生物对小鼠强迫游泳不动时间的影响
Figure imgf000013_0001
注: 与溶剂对照组比较 *p<0.05, **p < 0.01。 通过上述实验, 可以得出以下结论:
(1) 在小鼠悬尾法 "获得性绝望"抑郁模型实验中, 本发明化合物 1-4、 1-5、 1-9、 1-10、 1-11、 1-12 和 1-13以 10mg/kg剂量给药 7天均能明显缩短小鼠悬尾不动时间。
(2) 在利血平小鼠模型中, 本发明化合物 1-4、 1-5、 1-8、 1-9、 1-10、 1-11、 1-12和 1-13 以 10mg/kg 剂量连续给药 7天后具有显著拮抗利血平所致的小鼠体表温度下降、运动不能和改善闭眼程度 的作用, 表明本发明化合物对 5-HT、 NE和 DA的重摄取均有一定调节作用。
(3) 在小鼠强迫游泳实验中, 本发明化合物 1-5、 1-10和 1-13均能明显缩短小鼠强迫游泳不动时间, 1-5对小鼠强迫游泳不动时间的影响呈现一定的剂量依赖性。
(4) 与 1-1药效作用相比, 1-4、 1-5、 1-9、 1-10、 1-11、 1-12和 1-13的抗抑郁作用在测试模型中和剂 量下均显示出一定程度增强。
综上可以证明: 本发明所述的系列桂皮酰胺衍生物和现有技术相比具有更好的抗抑郁活性。 具体实施方式
下面通过具体的实施例进一步说明本发明, 下述实施例中给出了代表性化合物的合成及相关结构鉴 定数据, 其用于说明本发明而不是对本发明的限制, 根据本发明的实质对本发明进行的简单改进都属于 本发明要求保护的范围。 实施例 1 : 5'- -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-1 )
Figure imgf000014_0001
1-1
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg,1.3mmol)、10ml 无水四氢呋喃、氢氧化锂( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-甲氧基苯甲醛 (200mg, l . lmmol ) 溶于 5ml 无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢 滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥得到中间体 5'-甲氧基 -3',4'-次甲二氧基桂皮酸 (180mg, 74%)。
5'-甲氧基 -3',4'-次甲二氧基桂皮酸(210mg, 0.81mmol)、异丁胺(71mg, 0.97mmol)、三乙胺(122mg, 1.2mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (368mg, 0.97mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 3/1 ) 纯化, 得到 5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (160mg, 71%)。
!H NMR (CDC13, 400 MHz): 7.50 (1H, d, J = 15.6 Hz), 6.72 (1H, d, J = 1.2 Hz), 6.67 (1H, d, J = 1.6 Uz). 6.25 (1H, d, J = 15.6 Hz), 6.00 (2H, s), 5.69 (1H, br), 3.91 (3H, s), 3.22 (2H, t, J = 6.8 Hz), 1.84 (1H, m), 0.96 (3H, s), 0.95 (3H, s);
13C NMR (CDCI3, 100 MHz) 166.19, 149.49, 143.85, 140.90, 136.93, 129.97, 119.64, 109.18, 102.05, 101.04, 56.83, 47.33, 28.87, 20.38;
ESI-MS: 278.1 [M+H]+
实施例 2: '-硝基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-2)
Figure imgf000014_0002
1-2
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg,1.3mmol)、10ml 无水四氢呋喃、氢氧化锂( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-硝基苯甲醛 (215mg, l . lmmol ) 溶 于 5ml无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢 滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出黄色固体。 减压抽滤收集固体, 真空干燥, 得到中间体 5'-硝基 -3',4'-次甲二氧基桂皮酸 (190mg, 73%)。
5'-硝基 -3',4'-次甲二氧基桂皮酸(190mg, 0.80mmol)、异丁胺(71mg, 0.97mmol)、三乙胺( 122mg, 1.2mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (368mg, 0.97mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 3/1 ) 纯化, 得到 5'-硝基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (140mg, 60%)。
!H NMR(CDC13, 400 MHz): δΐ.15 (1H, d, J = 1.2 Hz), 7.53 (1H, d, J = 15.2 Hz), 7.19 (1H, d, J = 1.6 Hz), 6.36 (1H, d, J = 15.6 Hz), 6.26 (2H, s), 5.72 (1H, br), 3.23 (2H, t, J = 6.8 Hz), 1.85 (1H, m), 0.97 (3H, s), 0.96 (3H, s);
13C NMR (CDC13, 100 MHz): 165.32, 151.37, 144.62, 138.53, 132.27, 129.83, 122.31, 117.12, 111.64, 104.20, 47.42, 28.23, 20.36;
ESI-MS: 293.1 [M+H]+
实施例 3 : 5'- -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-3 )
Figure imgf000015_0001
1-3
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg, 1.3mmol)、 10ml 无水四氢呋喃、氢氧化锂( 163mg,
3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-碘苯甲醛 (300mg, l . lmmol ) 溶于 5ml无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应 完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥得到中间体 5'-碘 -3',4'-次甲二氧基桂皮酸 (245mg, 70%)。
5'-碘 -3',4'-次甲二氧基桂皮酸 (245mg, 0.77 mmol)、 异丁胺 (71mg, 0.97mmol)、 三乙胺 ( 122mg, 1.2mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (368mg, 0.97mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 5/1 ) 纯化, 得到 5'-碘 -3 ',4'-次甲二氧基桂皮酸异丁基酰胺 (200mg, 69%)。
!H NMR (CDCI3, 400 MHz): 7.45 (1H, d, J = 15.6 Hz), 7.29 (1H, d, J = 1.2 Hz), 6.92 (1H, d, J = 1.2 Hz) 6.23 (1H, d, J = 15.2 Hz), 6.05 (2H, s), 5.63 (1H, br), 3.21 (2H, t, J = 6.8 Hz ), 1.84 (1H, m), 0.96 (3H, s), 0.95 (3H, s);
13C NMR (CDCI3, 100 MHz): 165.93, 150.75, 147.20, 139.35, 131.53, 131.49, 120.47, 106.46, 106.85, 101.29, 70.86, 47.35, 28.86, 20.39; ESI-MS: 374.0 [M+H]
实施例 4: 5'-氯 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-4)
Figure imgf000016_0001
1-4
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg,1.3mmol)、10ml 无水四氢呋喃、氢氧化锂( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-氯苯甲醛 (200mg, l . lmmol ) 溶于 5ml无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应 完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥得到中间体 5'-氯 -3',4'-次甲二氧基桂皮酸 ( 175mg, 70%)。
5'-氯 -3',4'-次甲二氧基桂皮酸 (175mg, 0.77mmol)、 异丁胺 (71mg, 0.97mmol)、 三乙胺 ( 122mg, 1.2mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (368mg, 0.97mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 5/1 ) 纯化得到 5'-氯 -3 ',4'-次甲二氧基桂皮酸异丁基酰胺 (160mg, 74%)。
lU NMR(CDC13, 400 MHz): 7.40 (1H, d, J = 15.6 Hz), 6.92 (1H, d, J = 1.2 Hz), 6.81 (1H, d, J = 1.2 Hz), 6.18 (1H, d, J = 15.6 Hz), 6.00 (2H, s), 5.62 (1H, br), 3.15 (2H, t, 7 = 6.8 Hz), 1.77 (1H, m), 0.89 (3H, s), 0.88 (3H, s);
13C NMR (CDC13, 100 MHz): 165.87, 149.23, 145.59, 139.62, 130.52, 123.68, 120.60, 114.43, 105.57, 102.41, 47.34, 28.85, 20.37;
ESI-MS: 282.1 [M+H]+
实施例 5: 5'- -3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-5)
Figure imgf000016_0002
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg,1.3mmol)、10ml 无水四氢呋喃、氢氧化锂( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-三氟甲基苯甲醛(240mg, l . lmmol ) 溶于 5ml 无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢 滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥, 得到中间 体 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸 (170mg, 59%)。
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸(170mg, 0.65mmol)、异丁胺(57mg, 0.78mmol)、三乙胺(100 mg, 0.97mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (300mg, 0.78mmol)。 冰浴冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃 取水相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析 (洗脱剂: 石油醚 /乙酸乙 酯 = 5/1 ) 纯化得到 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (140mg, 70%)。
!H NMR(CDC13, 400 MHz): 7.53 (1H, d, J = 15.6 Hz), 7.17 (1H, d, J = 1.2 Hz), 7.11 (1H, d, J = 1.2 Hz), 6.29 (1H, d, J = 15.6 Hz), 6.13 (2H, s), 5.65 (1H, br), 3.22 (2H, t, J = 6.8 Hz), 1.84 (1H, m), 0.97 (3H, s), 0.95 (3H, s);
13C NMR (CDC13, 100 MHz): 165.97, 149.60, 146.31, 139.08, 129.81, 123.80, 121.63, 121.29, 119.36, 109.49, 103.09, 47.42, 28.84, 20.35;
ESI-MS: 316.1 [M+H]+
实施例 6: 5-(5'-甲氧基 -3' 4'-次甲二氧基苯基)戊二烯酸异丁基酰胺 ( 1-6)
Figure imgf000017_0001
在 50ml三口瓶中, 加入 4-膦酰丁烯酸三乙脂 (325mg, 1.3mmol)、 10ml无水四氢呋喃、 氢氧化锂 ( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。 将 3,4-二氧亚甲基 -5-甲氧基苯甲醛 (200mg, l . lmmol )溶于 5ml 无水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层 色谱检测, 反应完全后停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述 溶液中慢慢滴加 2N盐酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥, 得到中间体 5-(5'-甲氧基 -3',4'-次甲二氧基苯基)戊二烯酸 (125mg, 65%)。
5-(5'-甲氧基 -3',4'-次甲二氧基苯基)戊二烯酸 (125mg, 0.65mmol)、 异丁胺 (57mg, 0.78mmol)、 三 乙胺 (lOOmg, 0.97mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (300mg, 0.78mmol 冰浴冷却下继续搅拌 2 小时。 停止搅拌, 加入 20ml 水, 振荡之后分出有机相。 二氯甲烷 ( 2x20ml ) 萃取水相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析 (洗脱剂: 石油醚 /乙酸乙酯 = 3/1 ) 纯化, 得到 5-(5'-甲氧基 -3',4'-次甲二氧基苯基)戊二烯酸异丁基酰胺 (140mg, 71%)。
!H NMR(CDC13, 400 MHz): δ Ί 29 (1H, dd, = 10.0 Hz, J2 = 12.8 Hz), 6.69-6.58 (3H, m), 6.51 (1H, s), 5.91 (2H, s), 5.87 (1H, d, J = 14.8 Hz), 5.55 (1H, br), 3.85 (3H, S), 3.12 (2H, t, J = 6.4 Hz), 1.76 (1H, m), 0.88 (3H, s), 0.86 (3H, s); 13C NMR (CDCI3, 100 MHz): 166.45, 149.46, 143.82, 140.94, 138.97, 136.15, 131.52, 125.42, 123.83 108.08, 101.94, 100.28, 56.78, 47.26, 28.87, 20.40;
ESI-MS: 304.2 [M+H]+
实施例 7: 3',4'-次甲二氧基桂皮酸异丁基酰胺 (1-7)
Figure imgf000018_0001
1-7
在 50ml三口瓶中,加入膦酰基乙酸三乙酯(300mg,1.3mmol)、10ml无水四氢呋喃、氢氧化锂( 163mg, 3.9mmol ) , N2保护下加热至 70°C反应 1小时。将 3,4-二氧亚甲基苯甲醛( 165mg, l. lmmol )溶于 5ml无 水四氢呋喃中, 0.5小时内将其滴入反应瓶中。 反应液于 70°C反应 10小时。 薄层色谱检测, 反应完全后 停止加热。 将反应液旋转蒸发浓缩至干, 加入 20ml蒸熘水使固体溶解。 向上述溶液中慢慢滴加 2N盐 酸至 pH 2.0, 继续搅拌 1小时, 析出淡黄色固体。 减压抽滤收集固体, 真空干燥, 得到中间体 3',4'-次甲 二氧基桂皮酸 (180mg, 80%)。
3',4'-次甲二氧基桂皮酸(180mg, 0.94mmol )、异丁胺(83mg, U2mmol )、三乙胺( 142mg, 1.4mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HATU (425mg, 1.12mmol)。 冰浴冷却下继续 搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃取水相, 合并有 机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 3/1 )纯化, 得到 3',4'-次甲二氧基桂皮酸异丁基酰胺 (188mg, 81%)。
lH NMR(CDC13, 400 MHz): S7A5 (1H, d, J = 20.4 Hz), 6.90 (1H, s), 6.88 (1H, d, J = 10.8 Hz), 6.68 (1H, d, J = 10.8 Hz), 6.22 (1H, d, J = 20.8 Hz), 5.96 (1H, br), 5.89 (2H, s), 3.13 (2H, t, J = 8.8 Hz), 1.77 (1H, m), 0.88 (3H, s), 0.86 (3H, s);
13C NMR (CDCI3, 100 MHz): δ 166.53, 149.10, 148.36, 140.58, 129.57, 123.92, 119.36, 108.65, 106.54, 101.59, 47.35, 28.87, 20.35;
ESI-MS: 248.1 [M+H]+
实施例 8: 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二甲基酰胺 (1-8)
Figure imgf000018_0002
将 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸 (200mg, 0.77mmol)、 二甲胺的四氢呋喃溶液 (1.54mmol)、 三乙胺 (233mg, 2.3mmol ) 溶于 20ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HBTU (352mg, 0.92mmol)。 冰浴冷却下继续搅拌 2 小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷
(2x20ml ) 萃取水相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析 (洗脱剂: 石油醚 /乙酸乙酯 = 3/1 ) 纯化, 得到 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二甲基酰胺 (200mg, 90%)。
^ NMR (CDC13, 400 MHz): δΐ.51 (1Η, d, J = 15.6 Hz), 7.18 (1H, s), 7.15 (1H, s), 6.78 (1H, d, J = 15.6 Hz), 6.14 (2H, s), 3.19 (3H, s), 3.08 (3H, s);
13C NMR (CDCI3, 100 MHz): 166.24, 149.44, 146.15, 140.62, 130.01, 123.89, 121.19, 119.26, 117.28, 109.40, 102.91, 37.43, 35.98;
19F NMR (CDCI3, 400 MHz): -61.48
ESI-MS: 310.1 [M+Na]+
实施例 9: 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二乙基酰胺 (1-9)
Figure imgf000019_0001
将 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸 GOOmg, 1.15 mmol ) , 二乙胺 ( 170mg, 2.3mmol)、 三乙胺 ( 350mg, 3.45mmol )溶于 10ml无水二氯甲烷中,冰浴下搅拌 15min,慢慢加入 HBTU (530mg, 1.38mmol)。 冰浴冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃 取水相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析 (洗脱剂: 石油醚 /乙酸乙 酯 = 5/1 ) 纯化, 得到 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二乙基酰胺 (350mg, 96%)。
^ NMR (CDCI3, 400 MHz): 7.61 (1H, d, J = 15.2 Hz), 7.17 (1H, s), 7.16 (1H, s), 6.71 (1H, d, J = 15.2 Hz), 6.14 (2H, s), 3.53-3.46 (4H, m), 1.28 (3H, t, 7 = 7.2 Hz), 1.20 (3H, t, 7 = 7.2 Hz);
13C NMR (CDCI3, 100 MHz): 165.23, 149.42, 146.08, 140.59, 130.16, 123.91, 121.20, 119.22, 117.66,
109.36, 102.89, 42.30, 41.13, 15.13, 13.19;
19F NMR(CDC13, 400 MHz): -61.48
ESI-MS: 338.1 [M+Na]+
实施例 10: 5'-三氟甲基 -3',4'-次
Figure imgf000019_0002
1-10 将 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸(300mg, U5mmol)、哌啶( 195mg, 2.3mmol)、三乙胺(350mg, 3.45mmol)溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HBTU (530mg, 1.38mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 5/1 ) 纯化, 得到 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸哌啶基酰胺 (350mg, 92%)。
^ NMR (CDC13, 400 MHz): 7.55 (1H, d, J = 15.6 Hz), 7.18 (1H, s), 7.15 (1H, s), 6.80 (1H, d, J = 15.6 Hz), 6.14 (2H, s), 3.63 (4H, br), 1.72-1.68 (2H, m), 1.64-1.60 (4H, m);
13C NMR (CDCI3, 100 MHz): 164.86, 149.43, 146.06, 140.47, 130.19, 123.93, 121.23, 119.06, 117.64, 109.43, 102.89, 47.07, 43.44, 26.77, 25.68, 24.64;
19F NMR(CDC13, 400 MHz): -61.46
ESI-MS: 350.1 [M+Na]+
实施例 11: 3-(5'-三氟甲基 -3',4'-次甲二氧基苯基) -丙酸异丁基酰胺 (1-11 )
Figure imgf000020_0001
将 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 (200mg, 0.63mmol) 溶于 30ml甲醇中, 冰浴下 加入 CoCl2'6H20 (600mg, 2.54mmol), 搅拌 0.5小时后分批加入 NaBH4(195mg, 5.1mmol), 1小时后升至 室温继续搅拌 2小时, 停止搅拌, 蒸干溶剂, 粗品经二氯甲烷 (2x20ml) 萃取, 合并有机相, 无水硫酸 钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 5/1 )纯化得到 3-(5'-三氟甲 基 -3',4'-次甲二氧基苯基) -丙酸异丁基酰胺 (140mg, 70%
!H NMR (CDCI3, 400 MHz): 6.86 (1H, s), 6.85 (1H, s), 6.06 (2H, s), 5.55 (1H, br), 3.06 (2H, t, J = 6.4 Hz), 2.93 (2H, t, 7 = 7.2 Hz), 2.45 (2H, t, 7 = 7.2 Hz), 1.75-1.68 (1H, m), 0.87 (3H, s), 0.85 (3H, s);
13C NMR (CDCI3, 100 MHz): 171.44, 148.91, 143.54, 135.21, 124.21, 121.51, 117.42, 112.01, 102.29, 46.89, 38.39, 31.27, 28.44, 19.98;
19F NMR(CDC13, 400 MHz): -119.72;
ESI-MS: 340.1 [M+Na]+
实施例 12: 5-三氟甲基 -3,4-次 -12)
Figure imgf000020_0002
将 5-三氟甲基 -3,4-次甲二氧基苯甲酸 (260mg, l.l lmmol)、 异丁胺 (162mg, 2.22 mmol)、 三乙胺 ( 330mg, 3.33mmol )溶于 10ml无水二氯甲烷中,冰浴下搅拌 15min,慢慢加入 HBTU (500mg, 1.33mmol)。 冰浴冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2x20ml ) 萃 取水相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析 (洗脱剂: 石油醚 /乙酸乙 酯 = 3/1 ) 纯化, 得到 5-三氟甲基 -3,4-次甲二氧基苯甲酸异丁基酰胺 (250mg, 78%)。
lH NMR (CDC13, 400 MHz): S 7A6 (1H, s), 7.41 (1H, s), 6.37 (1H, br), 6.16 (2H, s), 3.26 (2H, t, J = 6.4 Hz), 1.95-1.85 (1H, m), 0.98 (3H, s), 0.96 (3H, s);
13C NMR (CDCI3, 100 MHz): 165.73, 149.27, 147.56, 129.47, 123.79, 121.08, 117.73, 110.40, 103.19, 47.57, 28.59, 20.16;
19F NMR(CDC13, 400 MHz): -61.45;
ESI-MS: 312.1 [M+Na]+
实施例 13 : 5-三氟甲基 -3,4-次甲二氧基苯甲酸哌啶基酰胺 ( 1-13 )
Figure imgf000021_0001
将 5-三氟甲基 -3,4-次甲二氧基苯甲酸(260mg, U lmmol )、哌啶( 190mg, 2.22 mmol )、三乙胺(330mg, 3.33mmol ) 溶于 10ml无水二氯甲烷中, 冰浴下搅拌 15min, 慢慢加入 HBTU (500mg, 1.33mmol)。 冰浴 冷却下继续搅拌 2小时。 停止搅拌, 加入 20ml水, 振荡之后分出有机相。 二氯甲烷 (2><20ml ) 萃取水 相, 合并有机相, 无水硫酸钠干燥, 减压浓缩至干。 粗产物经硅胶柱层析(洗脱剂: 石油醚 /乙酸乙酯 = 3/1 ) 纯化得到 5-三氟甲基 -3,4-次甲二氧基苯甲酸哌啶基酰胺 (280mg, 87%)。
^ NMR (CDCI3, 400 MHz): J 7. l l (1H, s), 7.03 (1H, s), 6.14 (2H, s), 3.64-3.41 (4H, m), 1.69- 1.62 (6H, m);
13C NMR (CDCI3, 100 MHz): 168.37, 148.91, 146.11, 130.45, 123.82, 121.12, 117.72, 110.69, 102.91,
102.91, 29.73, 24.53;
19F NMR(CDC13, 400 MHz): -61.48;
ESI-MS: 324.1 [M+Na]+
实施例 14: 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺片剂的制备
取 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺(1-5 ) , 按公知片剂制备方法, 加入淀粉、 糊精、 微晶纤维素、 硬脂酸镁等, 混合制成湿粒, 机器冲压成片, 包衣得到包衣片, 每片含 5'-三氟甲基 -3',4'- 次甲二氧基桂皮酸异丁基酰胺 20mg。 用法: 每天两次, 每次 1-2片。
实施例 15: 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺胶囊剂的制备
将 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺(1-5 ) 、 乳糖、 羟丙纤维素过 60目筛混匀, 加入 适量的聚山梨酯 80, 加入 3%羟丙甲基纤维素水溶液, 过 20目筛。 烘箱鼓风干燥, 加入适量滑石粉, 混 合均匀, 灌装胶囊, 每粒含 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺 20mg。 用法: 每天两次, 每 次 1-2粒。
本发明在制药领域中的应用完全不局限于此, 原料药还可以是本发明所述的任何一项化合物或其可 药用酸加成盐。
本发明的药物剂型不完全局限于此, 它可以制备成更多的剂型, 如滴丸、 缓释制剂等任何可药用的 药物形式。

Claims

权利要求书:
1. 一种具有式 (I ) 结构的化合物或其可药用酸加成盐:
Figure imgf000023_0001
( I )
其中,
Ri为 H、 0H、 F、 Cl、 Br、 I、 0CH3、 0CF3、 0CHF2、 0CH2F、 CF3、 CHF2、 CH2F、 CH3、 CH3CH2、 CF3CH2、 CN、 N02、 NH2或 C00R3, 其中 为15、 d-do直链烃基、 - 。支链烃基、 。环烃基或 C 。芳香烃基; η为 0、 1、 2或 3, 单元最少含有一个碳碳单键或者一个碳碳双键;
X为 =0、 =S、 H、 SH或 SR3 ;
Y为 Ν或 NR3、 O或 S ; 其中 为 15、 d-d。直链烃基、 C3-d。支链烃基、 C3-C10环 烃基或 C 。芳香烃基;
为 d-Cuj直链烃基、 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d-do 烷基醇基或 N-取代哌嗪衍生物基团;或 R2为与相邻的 Y形成四氢吡咯基、哌啶基或环 己亚胺基的基团。
2. 根据权利要求 1所述的化合物或其可药用酸加成盐, 其中,
Ri为 -CF3 ;
3 ■ n
n为 0、 1、 2或 3, Ί- 2 单元最少含有一个碳碳单键或者一个碳碳双键;
X为 =0 ;
Y为 N、 NH;
为 d-Cuj直链烃基、 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d-do 烷醇基或 N-取代哌嗪衍生物基团;或 R2为与相邻的 Y形成四氢吡咯基、哌啶基或环己 亚胺基的基团。
3. 根据权利要求 1所述的化合物或其可药用酸加成盐, 具有式 (Π ) 结构的取代桂皮酰胺 衍生物:
Figure imgf000024_0001
( II )
其中,
Ri为 H、 OH、 F、 Cl、 Br、 I、 OCH3、 OCF3、 OCHF2、 OCH2F、 CF3、 CHF2、 CH2F、 CH3、 CH3CH2、 CF3CH2、 CN、 N02、 NH2或 COOR3, 其中 为15、 d-do直链烃基、 - 。支链烃基、 - 。环烃基或 C 。芳香烃基;
为 d-Cuj直链烃基、 。支链烃基、 - 。环烃基、 C 。芳香烃基、 d-do 烷醇基或 N-取代哌嗪衍生物基团。
4. 根据权利要求 1所述的化合物或其可药用酸加成盐, 所述化合物选自以下化合物:
5'-甲氧基 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-硝基 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'—碘—3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-氯 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5-(5'-甲氧基 -3',4'-次甲二氧基苯基)戊二烯酸异丁基酰胺;
3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二甲基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二乙基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸哌啶基酰胺;
3-(5'-三氟甲基 -3',4'-次甲二氧基苯基) -丙酸异丁基酰胺;
5-三氟甲基 -3,4-次甲二氧基苯甲酸异丁基酰胺; 以及
5-三氟甲基 -3,4-次甲二氧基苯甲酸哌啶基酰胺。
5. 根据权利要求 1-4 任一项所述的化合物或其可药用酸加成盐, 其中, 所述酸加成盐选自 式 (I ) 化合物与硫酸、 盐酸、 氢溴酸、 磷酸、 酒石酸、 富马酸、 马来酸、 柠檬酸、 乙酸、 甲酸、 甲磺酸、 对甲苯磺酸、 草酸或琥珀酸形成的盐。
6. 一种药物组合物, 其特征在于, 所述药物组合物含有权利要求 1-5 任一项所述的化合物 或其可药用酸加成盐。
7. 根据权利要求 6所述的药物组合物, 其中, 所述药物组合物还含有药学上可接受的载体。
8. 权利要求 1-5任一项所述的化合物或其可药用酸加成盐的制备方法, 其特征在于, 所述 方法包括下述步骤: ( 1 ) 取代胡椒醛衍生物与乙氧甲酰基亚甲基三苯基膦或者膦酰基乙酸三乙酯发生 Wittig反 应或者 Wittig-Homer反应, 得到取代桂皮酸衍生物;
(2 ) 由取代桂皮酸衍生物得到其酰化衍生物(包括酰卤、 叠氮化物、 酸酐、 活化酯), 所述 酰化衍生物与有机胺缩合, 得到酰胺衍生物; 或者, 取代桂皮酸衍生物、 缩合剂 (HATU、 HBTU、 EDCI、 DCC等) 与有机胺缩合, 得到酰胺衍生物;
或者, 以 5'-三氟甲基 -3',4'-次甲二氧基桂皮酸为原料, 得到其酰化衍生物 (包括酰卤、 叠氮 化物、 酸酐、 活化酯), 所述酰化衍生物与有机胺缩合, 得到酰胺衍生物; 或者, 5'-三氟甲 基 -3',4'-次甲二氧基桂皮酸、 缩合剂 (HATU、 HBTU、 EDCI、 DCC等) 与有机胺缩合, 得 到酰胺衍生物;
侧链含有碳碳双键的衍生物通过催化氢化或者硼氢化钠等还原反应制得碳碳单键衍生物。
9. 权利要求 1-3 任一项所述的化合物或其可药用酸加成盐在制备治疗和预防抑郁型精神疾 病药物中的应用。
10. 根据权利要求 9所述的应用, 其特征在于, 所述化合物选自:
5'-甲氧基 -3 ',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-硝基 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'—碘—3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-氯 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸异丁基酰胺;
5-(5'-甲氧基 -3',4'-次甲二氧基苯基)戊二烯酸异丁基酰胺;
3',4'-次甲二氧基桂皮酸异丁基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二甲基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸二乙基酰胺;
5'-三氟甲基 -3',4'-次甲二氧基桂皮酸哌啶基酰胺;
3-(5'-三氟甲基 -3',4'-次甲二氧基苯基) -丙酸异丁基酰胺;
5-三氟甲基 -3,4-次甲二氧基苯甲酸异丁基酰胺;
5-三氟甲基 -3,4-次甲二氧基苯甲酸哌啶基酰胺。
PCT/CN2012/077549 2011-06-27 2012-06-26 一种取代桂皮酰胺衍生物、制备方法及其应用 WO2013000399A1 (zh)

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