CN104447703B - A kind of nitro diamantane (obsolete) tetrazotized zole compound, Preparation Method And The Use - Google Patents

A kind of nitro diamantane (obsolete) tetrazotized zole compound, Preparation Method And The Use Download PDF

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CN104447703B
CN104447703B CN201510016637.4A CN201510016637A CN104447703B CN 104447703 B CN104447703 B CN 104447703B CN 201510016637 A CN201510016637 A CN 201510016637A CN 104447703 B CN104447703 B CN 104447703B
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compound
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CN104447703A (en
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蔡子洋
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XUZHOU HENGHUA PACKAGING TECHNOLOGY Co.,Ltd.
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Foshan Saiweisi Pharmaceutical Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/06Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Abstract

The present invention relates to the drug world relevant to diabetes.Specifically, the present invention relates to a kind of inhibitors of dipeptidyl IV containing nitro amantadine tetrazole structure and preparation method thereof, and the application in terms of preparing diabetes medicament.

Description

A kind of nitro diamantane (obsolete) tetrazotized zole compound, Preparation Method And The Use
Technical field
The present invention relates to the drug world relevant to diabetes.Specifically, the present invention relates to diabetes The dipeptidyl peptidase-iv inhibitor of medicative a kind of nitro diamantane (obsolete) tetrazole structure and preparation side thereof Method, containing they pharmaceutical composition and treatment diabetes in terms of medicine.
Background technology
According to statistics, global diabetics about about 2.5 hundred million in 2007, wherein the biggest number is II type (i.e. non-insulin-depending type) diabetics.Antidiabetic medicine at Clinical practice mainly has sulfonylureas at present Class, metformin class and trypsin class medicine, list in recent years also have medicament of insulin sensitizer and α- Alpha-glucosidase inhibitors etc..These medicines have good therapeutic effect, but generally there is the serious pairs such as hypoglycemia Effect, and there is safety issue in long-term treatment, such as problems such as liver toxicity and body weight increases.
DPP IV (dipeptidyl peptidase IV, DPP-IV) can effectively and pancreas of degrading rapidly Glucagon-like peptide 1 (GLP-1), GLP-1 is insulin production and secretes one of maximally effective stimulant, therefore Suppression DPP-IV can strengthen the effect of endogenous GLP-1, thus improves the level of insulin in blood.Doctor at present Learning and it turned out DPP-IV inhibitor is a kind of novel antidiabetic treatment medicine, has had multiple medicine Thing list marketing.Clinical effectiveness shows that such medicine has good hypoglycemic effect, does not finds other glycosurias simultaneously The untoward reaction thing such as the increase of common body weight and hypoglycemia produced by medicine.
The major structural types of existing DPP-IV inhibitor has: chemically structure type divides and is broadly divided into piperazine Piperazine triazole type, 2-cyano-pyrolidin class, thiazolidines, Pyrimdinone, and other types structure medicament.
The invention discloses the DPP-IV inhibitor of a kind of nitro diamantane (obsolete) tetrazole structure, these chemical combination Thing may be used for the medicine of preparation treatment diabetes.
Summary of the invention
It is an object of the present invention to provide one and there is excellent activity, have Formulas I structure compound and Its pharmaceutically acceptable salt.
It is a further object to provide preparation and there is the compound of Formulas I structure and the method for salt thereof.
In conjunction with the purpose of the present invention, present invention is specifically described.
The present invention has the compound of Formulas I structure and has a following structural formula:
Compound of formula I of the present invention is synthesized by following steps:
Compound II and bromoacetyl bromide III reacts in the presence of a base and obtains compound IV, the latter and 2H-tetra- Nitrogen azoles-5-formic acid V reacts in the presence of a base and obtains compound VI, compound VI with in the presence of condensing agent with VII reacts, and obtains compound I;Above-mentioned condensing agent includes N, N'-dicyclohexyl carbodiimide (DCC), N- Ethyl-N'-(3-dimethylamino-propyl) carbodiimide hydrochloride (EDC) and carbonyl dimidazoles (CDI) etc., these contractings Mixture can be used in combination with organic base, such as triethylamine, diisopropyl ethyl amine (DIPEA) and 4-dimethylamino Pyridine (DMAP) etc..
The pharmaceutically acceptable salt of compound of formula I of the present invention includes, but are not limited to inorganic with various Acid, such as, hydrochloric acid, sulphuric acid, nitric acid, phosphoric acid etc., or organic acid, such as formic acid, acetic acid, citric acid, The pharmaceutically acceptable salt that oxalic acid, fumaric acid, maleic acid, aminoacid etc. are generated.
Compound or its salt shown in formula I has the inhibitory action of DPP-IV, can be as effectively Composition is used for preparing in treatment diabetes medicament;Preferably, described diabetes are non-insulin-dependent diabetes mellitus. The activity of the compounds of this invention is to be verified by the external inhibitory action to DPP-IV enzyme.
Compound of formula I of the present invention or its salt have the inhibitory action of DPP-IV, can be as effectively becoming Demultiplexing medicine in terms of preparation diabetes.The activity of compound of formula I of the present invention is by internal fall Sugar modelling verification.
The compound of formula I of the present invention is effective in comparatively wide dosage range.Such as every day takes Dosage, about in the range of 1mg-1000mg/ people, is divided into once or is administered for several times.Actual take formula I The dosage of compound can be determined according to relevant situation by doctor.These situations include: the health of patient State, route of administration, age, body weight, individual reaction to medicine, the order of severity etc. of symptom.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.It should be noted that following embodiment It is only for explanation, and is not intended to limit the present invention.Those skilled in the art are done according to the teachings of the present invention The various changes gone out all should be within the protection domain required by the application claim.
The preparation of embodiment 1 compound I
1.96g (10mmol) compound II and 3.04g (30mmol) triethylamine is dissolved in two that 20mL is dried In chloromethanes, the lower stirring of ice-water bath cooling, the most slowly drip 2.42g (12mmol) compound III and be dissolved in 5 The solution made in the dichloromethane that mL is dried.After dropping, reactant mixture at room temperature continues stirring 1 hour.Reactant mixture is poured in 200mL frozen water, stirring, extracts with 50mL × 3 dichloromethane, Merging extraction phase brine It, anhydrous sodium sulfate is dried, and is evaporated the most on a rotary evaporator, obtains Residue column chromatography purification, obtains the sterling of IV, white solid, ESI-MS, m/z=316 and 318([M+H]+)。
1.90g (6mmol) compound IV, 0.68g (6mmol) compound V, 1.00g (6mmol) are solid Body potassium iodide and 4.15g (30mmol) solid carbonic acid potassium stir under 120 DEG C of nitrogen in the DMF that 20mL is dried Mix overnight.Being poured into after reactant mixture is the coldest in 200mL frozen water, stirring, with 50mL × 3 dichloromethane Alkane extracts, and merges extraction phase brine It, and anhydrous sodium sulfate is dried, and is evaporated the most on a rotary evaporator, The residue column chromatography purification obtained, obtains the sterling of VI, white solid, ESI-MS, m/z= 350([M+H]+)。
10.50g (3mmol) compound VI, 0.29g (mmol) compound VII and 0.62g (3mmol) DCC is stirred overnight under room temperature in the THF that 6mL is dried.Sucking filtration removes the solid in reactant mixture, Filtrate is evaporated on a rotary evaporator, and residue column chromatography purification obtains the sterling of product I, white solid, ESI-MS, m/z=428 ([M+H]+)。
The preparation of embodiment 2 reference compound D
For absolutely proving the beneficial effect of the compounds of this invention, applicant describes discovery in experimentation Following formula: compound D (is not disclosed), as drug effect reference compound.
Its preparation method is as follows:
1.51g (10mmol) compound II-1 and 3.04g (30mmol) triethylamine is dissolved in what 20mL was dried In dichloromethane, the lower stirring of ice-water bath cooling, the most slowly drip 2.42g (12mmol) compound III and be dissolved in The solution made in the dichloromethane that 5mL is dried.After dropping, reactant mixture at room temperature continues to stir Mix 1 hour.Reactant mixture is poured in 200mL frozen water, stirring, extracts with 50mL × 3 dichloromethane Taking, merge extraction phase brine It, anhydrous sodium sulfate is dried, and is evaporated the most on a rotary evaporator, The residue column chromatography purification arrived, obtains the sterling of IV-1.ESI-MS, m/z=271 and 273 ([M+H]+)。
1.63g (6mmol) compound IV-1,0.68g (6mmol) compound V, 1.00g (6mmol) Solid potassium iodide and 4.15g (30mmol) solid carbonic acid potassium are in the DMF that 20mL is dried under 120 DEG C of nitrogen It is stirred overnight.Being poured into after reactant mixture is the coldest in 200mL frozen water, stirring, with 50mL × 3 dichloro Methane extracts, and merges extraction phase brine It, and anhydrous sodium sulfate is dried, and steams the most on a rotary evaporator Dry, the residue column chromatography purification obtained, obtain the sterling of VI-1.ESI-MS, m/z=305 ([M+H]+)。
0.92g (3mmol) compound VI-1,0.29g (3mmol) compound VII and 0.62g (3 Mmol) DCC is stirred overnight under room temperature in the THF that 6mL is dried.Sucking filtration removes in reactant mixture Solid, filtrate is evaporated on a rotary evaporator, and residue column chromatography purification obtains the sterling of product D, ESI-MS, M/z=383 ([M+H]+)。
The inhibitory action of DPP-IV enzyme is measured by embodiment 3 compound
Use the fluorescence DPP4 activity detection kit of BPS Biological Science Co., Ltd, measure the change of the present invention The compound inhibitory activity to DPP-IV enzyme.Sample is respectively as follows: 5 by gradient dilution concentration successively, 10,30, 100 and 200ng/kg, fluorescence reaction 96 orifice plate, according to the form below addition sample:
22 DEG C of water-baths, place 10min, Spectra Max M5 type fluorescence detector exciting light 350nm, With 450nm fluoremetry absorption value.IC is calculated according to concentration-fluorescence intensity curves50Value, result see table:
The compound IC to the suppression of DPP-IV enzyme50Value
As can be seen from the above table, the compound of the present invention has the strongest inhibitory action to DPP-IV enzyme.

Claims (3)

1. compound of formula I or its pharmaceutically acceptable salt:
2. compound or the method for its pharmaceutically acceptable salt described in synthesis claim 1, comprises the following steps:
Compound II and bromoacetyl bromide III reacts in the presence of a base and obtains compound IV, and compound IV and 2H-tetrazole-5-formic acid V reacts in the presence of a base and obtains compound VI, and compound VI reacts with VII in the presence of condensing agent, obtains compound I.
3. compound described in claim 1 or the application in terms of preparation treatment diabetes medicament of its pharmaceutically acceptable salt.
CN201510016637.4A 2015-01-13 2015-01-13 A kind of nitro diamantane (obsolete) tetrazotized zole compound, Preparation Method And The Use Active CN104447703B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310493A1 (en) * 2001-11-12 2003-05-14 Pfizer Products Inc. N-adamantylalkyl benzamide derivates as p2x7-receptor antagonists
WO2006090244A1 (en) * 2005-02-22 2006-08-31 Glenmark Pharmaceuticals S.A. New adamantane derivatives as dipeptidyl, peptidase iv inhibitors, processes for their preparation, and pharmaceutical compositions containing them
CN103304501A (en) * 2013-06-02 2013-09-18 张远强 Anti-diabetic compound, as well as preparation method and application thereof
CN103304500A (en) * 2013-06-02 2013-09-18 张远强 Novel anti-diabetic compound, as well as preparation method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310493A1 (en) * 2001-11-12 2003-05-14 Pfizer Products Inc. N-adamantylalkyl benzamide derivates as p2x7-receptor antagonists
WO2006090244A1 (en) * 2005-02-22 2006-08-31 Glenmark Pharmaceuticals S.A. New adamantane derivatives as dipeptidyl, peptidase iv inhibitors, processes for their preparation, and pharmaceutical compositions containing them
CN103304501A (en) * 2013-06-02 2013-09-18 张远强 Anti-diabetic compound, as well as preparation method and application thereof
CN103304500A (en) * 2013-06-02 2013-09-18 张远强 Novel anti-diabetic compound, as well as preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1-[[(3-Hydroxy-1-adamantyl)amino]acetyl]-2-cyano-(S)-pyrrolidine: A Potent,Selective, and Orally Bioavailable Dipeptidyl Peptidase IV Inhibitor with Antihyperglycemic Properties;Edwin B. Villhauer,et al.;《J. Med. Chem.》;20030524;2774-2789 *

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