CN107235911A - A kind of purposes of 2- methyl-4-nitro iminazoles derivative and preparation method thereof and Pharmaceutical composition - Google Patents

A kind of purposes of 2- methyl-4-nitro iminazoles derivative and preparation method thereof and Pharmaceutical composition Download PDF

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Publication number
CN107235911A
CN107235911A CN201610181083.8A CN201610181083A CN107235911A CN 107235911 A CN107235911 A CN 107235911A CN 201610181083 A CN201610181083 A CN 201610181083A CN 107235911 A CN107235911 A CN 107235911A
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Prior art keywords
methyl
compound
nitro
preparation
derivative
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CN201610181083.8A
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Chinese (zh)
Inventor
张起愿
刘晓鹏
陆华龙
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SHAANXI SYNTHETIC PHARMACEUTICAL Co.,Ltd.
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Jiangsu Tiandirenhe Pharmaceutical Co Ltd
SHAANXI HECHENG PHARMACEUTICAL CO Ltd
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Priority to CN201610181083.8A priority Critical patent/CN107235911A/en
Publication of CN107235911A publication Critical patent/CN107235911A/en
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D233/91Nitro radicals
    • C07D233/92Nitro radicals attached in position 4 or 5
    • C07D233/93Nitro radicals attached in position 4 or 5 with hydrocarbon radicals, substituted by halogen atoms, attached to other ring members
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/645Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
    • C07F9/6503Five-membered rings
    • C07F9/6506Five-membered rings having the nitrogen atoms in positions 1 and 3

Abstract

The invention provides the derivative of the nitroimidazole of 2 methyl 4, invention additionally provides the preparation method of the nitro imidazole derivatives of 2 methyl 4.In addition, the pharmaceutical composition of the derivative of the nitroimidazole containing 2 methyl 4, which is applied to treatment, is bitten the multi-infection disease knitted caused by the sensitive anaerobic bacteria such as dimension bacterium, gum bacteroid as bacteroides fragilis, bacteroides disiens, ovum garden bacteroid, bacteroides thetaiotaomicron, bacteroides vulgatus, clostruidium, Eubacterium, peptococcus and peptostreptococcus, helicobacter pylori, bacaeroides melaninogenicus, Fusobacterium, CO2.

Description

A kind of 2- methyl-4-nitro iminazoles derivative and preparation method thereof and Pharmaceutical composition Purposes
Technical field
The invention belongs to chemicals technical field, more particularly to a kind of 2- methyl-4-nitro iminazoles derivative and its system Preparation Method.The invention further relates to a kind of pharmaceutical composition of 2- methyl-4-nitro iminazoles derivative in treatment anaerobic infection, original Application in insect infection and various other diseases.
Background technology
Ornidazole and laevo-ornidazole are the derivative of 2- 5-nitro imidazoles, be a kind of strength anaerobe resistant and The medicine of antigen insect infection, is also that the curative effect that is made is higher, the course for the treatment of is shorter, tolerance is more preferable, in vivo after newly being developed after metronidazole It is distributed wider array of third generation nitro imidazole derivatives.
Therefore third generation nitro imidazole derivatives are as a kind of new anti anaerobic bacteria infection medicine, to mitigating many patients Pain, the quality of life for improving patient has very important significance, and has wide market and wilderness demand both at home and abroad.
In the further research to Ornidazole and laevo-ornidazole, it has been found that, it can be produced after use a certain degree of Maincenter toxicity, side reaction is more, therefore the research of nitro imidazole derivatives turns into a new focus.
We to the research of 2- methyl-4-nitro iminazole derivatives by having found, by derivative, can obtain a variety of having The derivative of curative effect, these derivatives have a certain degree of difference with Ornidazole in the chemically so that with preferably steady Qualitative and preparations shaping, is the compound with further Development volue.
The content of the invention
It is an object of the invention to provide a kind of 2- methyl-4-nitro iminazoles derivative.
Its general structure is as follows:
Wherein, R1Can be hydroxyl, phosphorous acid ester group, phosphate-based.
Flow can be clicked another object of the present invention is to the preparation method for providing 2- methyl-4-nitro iminazole derivatives Prepared:
In above-mentioned syntheti c route epoxychloropropane include racemic epoxide chloropropane,(S)- epoxychloropropane,(R)- epoxychloropropane.
Above-claimed cpd 1 includes raceme, S configurations, R configurations.
Above-claimed cpd 2 includes raceme, S configurations, R configurations.
Above-claimed cpd 3 includes raceme, S configurations, R configurations.
The third object of the present invention is to provide a kind of composition of the noval chemical compound containing treatment effective dose.
The fourth object of the present invention is to provide the purposes that a kind of noval chemical compound of the present invention is treated in anaerobe resistant.
2- methyl -4- the nitro-derivatives of the present invention include hydrate, pharmaceutical salts, solvated compoundses.
The present invention 2- methyl -4- nitro-derivatives pharmaceutical salts include hydrochloride, oxalates, fumarate, sulfate, Phosphate, succinate, sodium salt, sylvite, magnesium salts, calcium salt.
2- methyl -4- the nitro-derivatives of the present invention have isomers, and the present invention includes such isomers.
The compounds of this invention can be administered in a unit, and method of administration can be enteron aisle or non-bowel, such as oral, flesh Meat, subcutaneous, nasal cavity.
The present invention compound method of administration can be intravenously administrable, including intravenous injection, intramuscular injection, hypodermic injection and Acupoint injection therapy etc..
Form of administration can be tablet, capsule, dispersible tablet, oral liquid, big transfusion, small pin, freeze-dried powder etc. pharmaceutically Acceptable preparation.
The compound of the present invention can be used for preventing, improve and/or curing disease caused by anaerobic infection, be particularly suitable for For the chemotherapeutic activity compound as people and veterinary medicament.
The compound of the present invention is administered by gross weight, in an amount of from every kg body weight 0.5-1000mg, the consumption of best 24 hours For every kg body weight 1-500mg, medication several times can be also used.
The present invention is described in further detail with reference to embodiment, but should preferable the scope of the present invention is non-is only limitted to this The scope of a little embodiments.
The 1- of embodiment 1 [the chloro- 2- hydroxypropyls of 3-] -2- methyl-4-nitro iminazoles(Compound A)Preparation
2- methyl-4-nitro iminazole 10g are taken, adds after ethyl acetate 200ml dissolvings, adds aluminum trichloride (anhydrous) 10g, stir Cooling, is cooled to 0 DEG C, and epoxychloropropane 20g is added dropwise, and reaction solution is slowly added to water reclaimed water by insulation reaction, reaction after terminating Solution, separates ethyl acetate layer, ethyl acetate layer is extracted with 10% hydrochloric acid solution, and last sour water layer adjusts pH to 7 with ammoniacal liquor, there is solid Body is separated out, Filtration Filtration, is dried, is obtained compound A 5.6g
Embodiment 2 (S)-[the chloro- 2- hydroxypropyls of 3-] -2- methyl-4-nitro iminazoles(Compound B)Preparation
Prepare as described in Example 1, the difference is that epoxychloropropane is replaced with into S- epoxychloropropane.
Embodiment 3 (R)-[the chloro- 2- hydroxypropyls of 3-] -2- methyl-4-nitro iminazoles(Compound C)Preparation
Prepare as described in Example 1, the difference is that epoxychloropropane is replaced with into R- epoxychloropropane.
The chloro- 1- of the 3- of embodiment 4 (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphite esters(Compound D)Preparation
Take compound A 10g to be dissolved into 50ml ethyl acetate, phosphorus trichloride 5g is added dropwise, controlling reaction temperature is at 10-20 DEG C, instead After should finishing, ethyl acetate is recovered under reduced pressure, residue is slowly added into purified water 50ml, hydrolyzes 1 hour, is slowly added into 10% carbonic acid Sodium solution regulation pH be 6.0, pressurization is concentrated to dryness, add methanol 100ml, filtering, freeze crystallization, filtering, compound D, 8.2g
Embodiment 5(S)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphite esters(Compound E)Preparation
Prepare as described in Example 4, the difference is that compound A is replaced with into compound B.
Embodiment 6(R)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphite esters(Change Compound F)Preparation
Prepare as described in Example 4, the difference is that compound A is replaced with into compound C.
The chloro- 1- of the 3- of embodiment 7 (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphates(Compound G) Preparation
Prepare as described in Example 4, the difference is that phosphorus trichloride is replaced with into POCl3.
Embodiment 8(S)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphates(Chemical combination Thing H)Preparation
Prepare as described in Example 5, the difference is that phosphorus trichloride is replaced with into POCl3.
Embodiment 9(R)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphates(Chemical combination Thing I)Preparation
Prepare as described in Example 6, the difference is that phosphorus trichloride is replaced with into POCl3.
Embodiment 10(S)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- bases phosphite ester two Sodium(Compound J)Preparation
Compound E 10g are taken, are dissolved with 20ml ethanol, then pH is adjusted to 7.0 with the sodium hydroxide solution of saturation, -10 are cooled to DEG C stirring and crystallizing, filtering, obtains compound J 8.8g.
Embodiment 11(S)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base disodium phosphates (Compound K)Preparation
Prepare as described in Example 10, the difference is that compound E is replaced with into compound H.
Embodiment 12(S)The chloro- 1- of -3- (2- methyl -4- nitro -1H- imidazoles -1- bases) propane -2- base phosphate dipotassiums (Compound L)Preparation
Prepare as described in Example 11, the difference is that sodium hydroxide is replaced with into potassium hydroxide.
The preparation of the compound A pieces of embodiment 13
Prescription:
Compound A 150g
Starch 70g
Microcrystalline cellulose 125g
Magnesium stearate 2.0g
Hydroxypropyl methyl cellulose(4% solution)In right amount
It is made 1000
Preparation method:4% Gonak is prepared, it is standby.Weighing 10g starch, to put 105 DEG C of dry 5h standby.40g is taken to form sediment Compound A, the microcrystalline cellulose of powder and recipe quantity, mix, crushed 80 mesh sieves.With 4% Gonak by thing Material softwood processed, is pelletized with 20 mesh sieves, is 3% or so in the 50-60 DEG C of moisture dried into particle, is crossed at 20 mesh sieve whole grains, addition Dried starch, the magnesium stearate of side's amount, it is mixed eventually, survey intermediates content, stator weight, tabletting.
The preparation of the compound A sodium chloride of embodiment 14 transfusion
Prescription:
Compound A 20g
Sodium chloride 85g
Water for injection 10L
It is made 100 bottles
Preparation method:The compound A and sodium chloride of recipe quantity, plus water for injection 10L are weighed, is stirred, 0.1% activated carbon, stirring is being added 15 minutes, 5 microns of so good support charcoals, through 0.45 micron of filter cartridge and 0,22 microns of miillpore filter refined filtration, filling and 100ml In vial, 115 DEG C of steam sterilizing 30min obtain compound A sodium chloride injections.
The preparation of the compound B sodium chloride of embodiment 15 transfusion
Prescription:
Compound B 1000g
Sodium chloride 4.25kg
Water for injection 500L
It is made 5000 bottles
Preparation method:The compound B and sodium chloride of recipe quantity, plus water for injection 500L are weighed, is stirred, 0.1% activated carbon is being added, is stirring Mix 15 minutes, 5 microns of so good support charcoals, through 0.45 micron of filter cartridge and 0,22 microns of miillpore filter refined filtration, it is filling with In 100ml vials, 115 DEG C of steam sterilizing 60min obtain compound A sodium chloride injections.
The injection compound H of embodiment 16 preparation
Prescription:
Compound H 100g
Water for injection 400ml
It is made 200 bottles
Preparation method:The compound H of recipe quantity, plus water for injection 400ml are weighed, is stirred, 0.1% medical charcoal is being added, is stirring 15 points Clock, 5 microns of so good support charcoals, through 0.45 micron of filter cartridge and 0,22 microns of miillpore filter refined filtration, filling control cillin bottle In, place and freeze-drying 48 hours is carried out in vacuum freezing drying oven, be capped butyl rubber plug, and Zha Gai obtains its freeze-dried powder.
The compound and Ornidazole studies on acute toxicity result of the present invention of embodiment 17 is as follows:
Using Ornidazole as the anxious poison experiment of the mouse of comparison medicine
Mouse tail vein injection LD50
Ornidazole LD50:314mg/kg
Compound A LD50:532mg/kg LD50Average fiducial limit:532±53.2mg/kg
Compound B LD50:673mg/kg LD50Average fiducial limit:673±67.3mg/kg
Compound C LD50:412mg/kg LD50Average fiducial limit:412±41.2mg/kg
Compound D LD50:973mg/kg LD50Average fiducial limit:973±97.3mg/kg
Compound E LD50:1034mg/kg LD50Average fiducial limit:1034±103.4mg/kg
Compound F LD50:884mg/kg LD50Average fiducial limit:884±88.4mg/kg
Compound G LD50:992mg/kg LD50Average fiducial limit:992±99.2mg/kg
Compound H LD50:1012mg/kg LD50Average fiducial limit:1012±101.2mg/kg
Compound I LD50:825mg/kg LD50Average fiducial limit:825±82.5mg/kg
Experiment shows the toxicity of compound respectively less than Ornidazole of the present invention.
The compound of the present invention of embodiment 18 and Ornidazole antibacterial activity in vitro research, it is as a result as follows:
Experiment shows that the in-vitro antibacterial effect of the compounds of this invention is better than Ornidazole.

Claims (4)

1.2- methyl-4-nitro iminazole derivant structure formulas are as follows:
Wherein R1For hydroxyl, phosphorous acid ester group, phosphate-based.
2. 2- methyl-4-nitro iminazoles derivative according to claim 1, it is characterised in that also including pharmaceutically acceptable Salt, such as hydrochloride, oxalates, fumarate, sulfate, phosphate, succinate, sodium salt, sylvite, magnesium salts, calcium salt.
3. a kind of pharmaceutical composition, it is characterised in that contain the compound conduct as described in claim 1,2 for the treatment of effective dose Active component and pharmaceutically acceptable carrier.
4. pharmaceutical composition according to claim 3, it is characterised in that the medicine for producing treatment anti anaerobic bacteria infection.
CN201610181083.8A 2016-03-28 2016-03-28 A kind of purposes of 2- methyl-4-nitro iminazoles derivative and preparation method thereof and Pharmaceutical composition Pending CN107235911A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112778364A (en) * 2019-11-06 2021-05-11 华创合成制药股份有限公司 Nitroimidazole derivative and preparation method and application thereof

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US3280139A (en) * 1962-04-06 1966-10-18 Delmar Chem Substituted nitroimidazoles
GB1099787A (en) * 1965-05-19 1968-01-17 Hoffmann La Roche Novel nitro-imidazole derivatives and the manufacture thereof
CN100999500A (en) * 2006-12-18 2007-07-18 西安新安医药科技有限公司 Onitrodazole precursor drug and its preparation process and use
CN101177433A (en) * 2007-12-05 2008-05-14 陕西新安医药科技有限公司 (s)-ornidazole disodium phosphate pentahydrate as well as preparation method and uses thereof
CN102516298A (en) * 2011-12-09 2012-06-27 陕西合成药业有限公司 Stable pharmaceutical salt of L-aonitrate phosphate ester, its preparation method and application

Patent Citations (5)

* Cited by examiner, † Cited by third party
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CN100999500A (en) * 2006-12-18 2007-07-18 西安新安医药科技有限公司 Onitrodazole precursor drug and its preparation process and use
CN101177433A (en) * 2007-12-05 2008-05-14 陕西新安医药科技有限公司 (s)-ornidazole disodium phosphate pentahydrate as well as preparation method and uses thereof
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112778364A (en) * 2019-11-06 2021-05-11 华创合成制药股份有限公司 Nitroimidazole derivative and preparation method and application thereof
CN112778364B (en) * 2019-11-06 2023-12-08 华创合成制药股份有限公司 Nitroimidazole derivative and preparation method and application thereof

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Application publication date: 20171010