CN1376677A - [2-[5-(2-chloropyridineoxy)]methyl] azacyclobutane polypeptide derivative and its application - Google Patents

[2-[5-(2-chloropyridineoxy)]methyl] azacyclobutane polypeptide derivative and its application Download PDF

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CN1376677A
CN1376677A CN 02113590 CN02113590A CN1376677A CN 1376677 A CN1376677 A CN 1376677A CN 02113590 CN02113590 CN 02113590 CN 02113590 A CN02113590 A CN 02113590A CN 1376677 A CN1376677 A CN 1376677A
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methyl
chloro
oxygen base
azacyclobutane
pyridine oxygen
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CN1208342C (en
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文永均
谢期林
韩五成
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CHENGDU SHENGNUO BIOTEC Co Ltd
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SHENGNUO SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd CHENGDU
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Abstract

The present invention relates to [2-[5-(2-chloropyridineoxy)]methyl] azacyclobutane polypeptide derivative or pharmacologically receptible salt or its isomer, and its medical appication in preparing antalgic or inflammation relieving medicine.

Description

[2-[5-(2-chloro-pyridine oxygen base)] methyl] azacyclobutane polypeptide derivative and application thereof
Affiliated technical field:
The present invention relates to a kind of [2-[5-(2-chloro-pyridine oxygen base)] methyl] isomer of azacyclobutane polypeptide derivative or pharmacy acceptable salt or this compound, with and in the application of medically making preparation analgesia or anti-inflammatory agent.
Technical background:
Seek stronger and more effective analgesic agent is medical community important research target always, a large amount of diseases and illness produce the pain as a disease or an illness part, removing this pain is the main aspect of improving or treating whole disease or illness, pain and possible alleviation thereof are also relevant with the mental status and the physical appearance of individual patient, and various analgesic agents are inequality to individuality or the patient's of colony action effect, need to seek new analgesic agent compound or medicine to satisfy different patients or crowd's demand.
Present stage, main analgesic agent had two classes, was divided into opiates and non-opium medicine, and opiates such as morphine act on opiate receptor in brain, thus the transmission of blocking-up pain signal in brain and spinal cord, and opiates such as morphine have easy abuse habituation.Non-opium such as NSAID (non-steroidal anti-inflammatory drug) are blocked the generation of prostaglandin(PG) usually to prevent the sensitization of nerve ending, and this kind sensitization helps pain signal to be passed in the brain, there are bigger side effect in prescription that great majority are commonly used or OTC (over-the-counter) NSAID (non-steroidal anti-inflammatory drug), and for example known NSAID (non-steroidal anti-inflammatory drug) such as acetylsalicylic acid cause stomach and duodenal stimulation and ulcer.
United States Patent (USP) (USP5629325) and Chinese patent (CN1245496A) have been described [2-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine and derivative thereof, these compounds have good analgesia and antiphlogistic effects.
Summary of the invention:
The invention provides [2-[5-(2-chloro-pyridine oxygen base)] methyl of a kind of being different from] the new compound of azetidine and derivative thereof, i.e. [2-[5-(2-chloro-pyridine oxygen base)] methyl] azacyclobutane polypeptide derivative or the medically acceptable salt or the isomer of this compound, with and in the application of medically making preparation analgesia or anti-inflammatory agent.
The invention is characterized in: a kind of new compound or its salt or its corresponding isomer with following structural (I) expression:
Figure A0211359000061
Wherein: X, Y can select in arbitrary amino acid,
Z can select in H, ethanoyl and arbitrary amino acid.
[2-[5-(2-chloro-pyridine oxygen base)] of the present invention methyl] isomer of azacyclobutane polypeptide derivative or medically acceptable salt and this compound is in the application of medically making preparation analgesia or anti-inflammatory agent.
[2-[5-(2-chloro-pyridine oxygen base)] of the present invention methyl] azetidine is configured as R.
X in the compound of the present invention is L-Arg.
Y in the compound of the present invention is Gly.
Z in the compound of the present invention is H or Gly or ethanoyl.
Compound of the present invention is an acetate at pharmacy acceptable salt.
Compound or its salt of the present invention or its corresponding isomer comprise at its compound that medically can represent:
A, glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Figure A0211359000071
B, ethanoyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Figure A0211359000072
C, glycyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Figure A0211359000073
The present invention is through proofs such as the scorching method tests in hot-plate analgesic test, mouse ear caused by dimethylbenzene xylene: the present invention medically can make analgesia, antiphlogistic use.
Embodiment:
Embodiment 1:
Glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine and synthetic
In reaction flask, add L-N successively g-nitro-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine 4.15g (0.01 mole), N-tert-butoxy carbonyl-glycine 2.1g (0.012 mole), DIC 1.51g (0.012 mole), add methylene dichloride 50ml again, stirring reaction is 12 hours under the room temperature.Reaction solution with the washing of 1% hydrochloric acid soln, with the washing of 30ml saturated sodium carbonate solution, is used anhydrous sodium sulfate drying, the evaporated under reduced pressure solvent more again with the washing of 30ml saturated sodium carbonate solution.Residue dissolves with 10ml 50% trifluoracetic acid dichloromethane solution, and stirring reaction is 30 minutes under the room temperature, the evaporated under reduced pressure solvent.In residue, add 50ml vinyl acetic monomer and 1.5g palladium/carbon, fed hydrogen 12 hours under the stirring at room, add 50ml water after reaction is finished, stir after-filtration, the evaporated under reduced pressure solvent.Residue with sephadex G-25 desalination, is made elutriant with 5% acetum with the dissolving of 50ml5% acetum, collects component liquid, and lyophilize gets product 2.6g, yield 63.4%.Ultimate analysis: C:47.36%, H%:6.58, N%:18.41 (C 17H 26ClN 7O 3.2CH 3COOH calculated value: C:47.41%, H%:6.44, N%:18.43).Mass spectroscopy: m/e:412.9 (M+1), 434.9 (M+Na), [α] D 20=+16.8 ° (c=1,1% aqueous acetic acid).
Embodiment 2:
Ethanoyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine and synthetic
In reaction flask, add L-N successively g-nitro-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine 4.15g (0.01 mole), N-tert-butoxy carbonyl-glycine 2.1g (0.012 mole), DIC 1.51g (0.012 mole), add methylene dichloride 50ml again, stirring reaction is 12 hours under the room temperature.Reaction solution with the washing of 1% hydrochloric acid soln, with the washing of 30ml saturated sodium carbonate solution, is used anhydrous sodium sulfate drying, the evaporated under reduced pressure solvent more again with the washing of 30ml saturated sodium carbonate solution.In residue, add 50ml vinyl acetic monomer and 1.5g palladium/carbon, fed hydrogen 12 hours under the stirring at room, add 50ml water after reaction is finished, stir after-filtration, the evaporated under reduced pressure solvent.Residue with sephadex G-25 desalination, is made elutriant with 5% acetum with the dissolving of 50ml 5% acetum, collects component liquid, and lyophilize gets product 2.9g, yield 63.9%.Ultimate analysis: C:49.12%, H%:6.45, N%:19.01 (C 19H 28ClN 7O 4.CH 3COOH calculated value: C:49.07%, H:6.28%, 19.07%).Mass spectroscopy: m/e:454.9 (M+1), 476.9 (M+Na), [α] D 20=+17.00 (c=1,1% aqueous acetic acids).
Embodiment 3:
Glycyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine and synthetic
In reaction flask, add L-N successively g-nitro-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine 4.15g (0.01 mole), N-tert-butoxy carbonyl-glycine 2.1g (0.012 mole), DIC 1.51g (0.012 mole), add methylene dichloride 50ml again, stirring reaction is 12 hours under the room temperature.Reaction solution with the washing of 1% hydrochloric acid soln, with the washing of 30ml saturated sodium carbonate solution, is used anhydrous sodium sulfate drying, the evaporated under reduced pressure solvent more again with the washing of 30ml saturated sodium carbonate solution.Residue dissolves with 10ml 50% trifluoroacetic acid solution, and stirring reaction is 30 minutes under the room temperature, and the evaporated under reduced pressure solvent adds 10ml5% triethylamine dichloromethane solution in residue, and stirring reaction is 30 minutes under the room temperature, the evaporated under reduced pressure solvent.Add N-tert-butoxy carbonyl-glycine 2.1g (0.012 mole) in residue successively, DIC 1.51g (0.012 mole) adds methylene dichloride 50ml again, and stirring reaction is 12 hours under the room temperature.Reaction solution with the washing of 1% hydrochloric acid soln, with the washing of 30ml saturated sodium carbonate solution, is used anhydrous sodium sulfate drying, the evaporated under reduced pressure solvent more again with the washing of 30ml saturated sodium carbonate solution.In residue, add 50ml vinyl acetic monomer and 1.5g palladium/carbon, fed hydrogen 12 hours under the stirring at room, add 50ml water after reaction is finished, stir after-filtration, the evaporated under reduced pressure solvent.Residue with sephadex G-25 desalination, is made elutriant with 5% acetum with the dissolving of 50ml 5% acetum, collects component liquid, and lyophilize gets product 3.1g, yield 66.1%.Ultimate analysis: C:46.86%, H%:6.37, N%:18.95 (C 19H 29ClN 8O 4.2CH 3COOH calculated value: C:46.90, H:6.33, N:19.02).Mass spectroscopy: m/e:469.9 (M+1), 491.9 (M+Na), [α] D 20=+14.5 ° (c=1,1% aqueous acetic acid).
Embodiment 4 hot-plate analgesic test
Choose body weight and be 40 of the female mices of 19-21 gram, be divided into 4 groups at random, 10 every group, adopt hot plate method to measure before the administration behind the threshold of pain, 1-3 group intravenous injection compd A, B and C, administration concentration is 1.0mg/ml, the administration volume is 0.5ml/20g; The 4th group with method injecting normal saline 0.5ml/20g.Respectively surveyed one time threshold of pain after the administration in 1.5 hours, 3 hours, 4.5 hours again.Calculate and respectively organize threshold of pain mean value, standard deviation and do the t check, relatively between each administration group and blank group there was no significant difference is arranged, the results are shown in following table:
Hot plate method is caused after the influence of pain and the two the comparing result group dosage animal drugs preceding threshold of pain administration threshold of pain (second) not other (mg/kg) several (second)
1.5 hours 3 hours 4.5 hours
(only) A 1.0 10 20.4 ± 2.7 46.8 ± 4.2 *48.2 ± 3.9 *46.9 ± 5.5 *B 1.0 10 20.7 ± 2.1 32.8 ± 3.9 *32.9 ± 4.3 *31.1 ± 3.1 *C 1.0 10 20.5 ± 2.8 35.4 ± 5.2 *36.6 ± 6.5 *36.0 ± 4.9 *Empty physiology salt
10 20.1 ± 2.4 21.1 ± 2.5 22.5 ± 2.7 21.7 ± 2.2 plain boiled waters are compared with the blank group *P<0.01
Test-results shows, compares with the blank group, and improve the threshold of pain of A, B, C group after the administration highly significant difference, and compd A, B, C all cause pain model to the mouse hot plate method obvious restraining effect.
The scorching method test of embodiment 5 mouse ear caused by dimethylbenzene xylene
Choose 40 of body weight 26-30g male mices, be divided into 4 groups at random, 10 every group.Dimethylbenzene is dripped in mouse right ear every mouse 30 μ l, left ear contrast.After causing scorching 1 hour, the 1st to the 3rd group of mouse difference abdominal injection compd A, B and C, administration concentration is 1.0mg/ml, the administration volume is 0.5ml/20g; The 4th group with method injecting normal saline 0.5ml/20g.
After the administration 2 hours, the dislocation of mouse cervical vertebra is caused death, cut two ears along the auricle baseline, be that the punch tool of 8mm is laid the garden auricle at the same position of left and right ear respectively with diameter, weigh, ask the poor of the left and right auricle weight of every mouse, as the swelling degree.The swelling degree is carried out statistical procedures, relatively between each administration group and blank group there was no significant difference is arranged, the results are shown in following table.
P-Xylol causes influence and the two comparing result group dosage number of animals swelling degree of mice ear
(mg/ml) (only) (ml) A 1.0 10 5.31 ± 0.925 *B 1.0 10 5.93 ± 0.813 *C 1.0 10 5.19 ± 0.848 *Blank physiological saline 10 8.72 ± 0.657 is compared with blank *P<0.01
Test-results shows, compares with the blank group, and A, B after the administration, C group all have significant differences, and the mice ear due to compd A, the equal p-Xylol of B, C presents tangible anti-inflammatory action.
The present invention is through proofs such as the scorching method tests in hot-plate analgesic test, mouse ear caused by dimethylbenzene xylene: the present invention has analgesia, antiphlogistic use.

Claims (8)

1, [2-[5-(2-chloro-pyridine oxygen base)] methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: a kind of new compound or its salt or its corresponding isomer with following structural (I) expression: Wherein: X, Y can select in arbitrary amino acid,
Z can select in H, ethanoyl and arbitrary amino acid.
2, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: described [2-[5-(2-chloro-pyridine oxygen base)] methyl] isomer of azacyclobutane polypeptide derivative or medically acceptable salt and this compound does the application of preparation analgesia or anti-inflammatory agent in medical science.
3, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: [2-[5-(2-chloro-pyridine oxygen base)] of the present invention methyl] azetidine is configured as R.
4, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: the X in the described compound is L-Arg.
5, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: the Y in the described compound is Gly.
6, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: the Z in the described compound is H or Gly or ethanoyl.
7, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: compound of the present invention is an acetate at pharmacy acceptable salt.
8, [2-[5-(2-chloro-pyridine oxygen base)] according to claim 1 and 2 methyl] azacyclobutane polypeptide derivative and application thereof, it is characterized in that: described compound or its salt or its corresponding isomer comprise at its compound that medically can represent:
A, glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Or B, ethanoyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Figure A0211359000041
Or C, glycyl-glycyl-o-dime thyl phosphoroamidothioate-[2R-[5-(2-chloro-pyridine oxygen base)] methyl] azetidine
Figure A0211359000042
CN 02113590 2002-04-10 2002-04-10 [2-[5-(2-chloropyridineoxy)]methyl] azacyclobutane polypeptide derivative and its application Expired - Lifetime CN1208342C (en)

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