WO2019196369A1 - 一种噻唑并嘧啶类hiv-1逆转录酶抑制剂及其制备方法和应用 - Google Patents
一种噻唑并嘧啶类hiv-1逆转录酶抑制剂及其制备方法和应用 Download PDFInfo
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- WO2019196369A1 WO2019196369A1 PCT/CN2018/110112 CN2018110112W WO2019196369A1 WO 2019196369 A1 WO2019196369 A1 WO 2019196369A1 CN 2018110112 W CN2018110112 W CN 2018110112W WO 2019196369 A1 WO2019196369 A1 WO 2019196369A1
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- WO
- WIPO (PCT)
- Prior art keywords
- bromide
- chloride
- hiv
- thiazolopyrimidine
- reverse transcriptase
- Prior art date
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- WDGLDPOFVYMRGP-UHFFFAOYSA-N Cc1cc(C#N)cc(C)c1Oc1c2[s]cnc2nc(NC2CCN(Cc(cc3)ccc3C(N)=O)CC2)n1 Chemical compound Cc1cc(C#N)cc(C)c1Oc1c2[s]cnc2nc(NC2CCN(Cc(cc3)ccc3C(N)=O)CC2)n1 WDGLDPOFVYMRGP-UHFFFAOYSA-N 0.000 description 1
- CXZVHQZOKUMCDD-UHFFFAOYSA-N Cc1cc(C#N)cc(C)c1Oc1c2[s]cnc2nc(NC2CCN(Cc(cc3)ccc3S(N3CCOCC3)(=O)=O)CC2)n1 Chemical compound Cc1cc(C#N)cc(C)c1Oc1c2[s]cnc2nc(NC2CCN(Cc(cc3)ccc3S(N3CCOCC3)(=O)=O)CC2)n1 CXZVHQZOKUMCDD-UHFFFAOYSA-N 0.000 description 1
- ITBOPNVTVDTSOZ-UHFFFAOYSA-N Cc1cc(C#N)cc(C)c1Oc1nc(Cl)nc2c1[s]cn2 Chemical compound Cc1cc(C#N)cc(C)c1Oc1nc(Cl)nc2c1[s]cn2 ITBOPNVTVDTSOZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
- C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
- C07D513/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
Definitions
- the invention belongs to the technical field of organic compound synthesis and medical application, and particularly relates to a thiazolopyrimidine HIV-1 reverse transcriptase inhibitor and a preparation method and application thereof.
- HIV-1 reverse transcriptase (RT) is responsible for the reverse transcription of single-stranded RNA carrying viral genetic information into double-stranded DNA, which is a key target for anti-AIDS drug design.
- NRTIs HIV-1 reverse transcriptase inhibitors
- HAART Highly Active Antiretroviral Therapy
- Diarylpyrimidine is a class of HIV-1NNRTIs with high resistance to drug resistance.
- the latest generation of HIV-1 marketed drugs, Etravirine and Rilpivirne belong to this category. Compound.
- the compounds due to the excessive fat-soluble aromatic ring structure, the compounds have low water solubility and oral bioavailability, and the oral dose is large, which also causes serious side effects and cross-resistance in clinical use. problem.
- etravirine requires multiple daily doses with a severe skin allergic reaction. Rivivirin causes toxic side effects such as depression, acute respiratory distress syndrome, headache and rash, which greatly limits their clinical application. Therefore, the development of a new generation of highly effective anti-drug resistant NNRTIs is a major scientific research task for anti-AIDS drug research.
- the present invention provides a thiazolopyrimidine HIV-1 reverse transcriptase inhibitor and a preparation method thereof, and the present invention also provides an activity screening result of the above compound as an HIV-1 reverse transcriptase inhibitor and Its application.
- a thiazolopyrimidine HIV-1 reverse transcriptase inhibitor or a pharmaceutically acceptable salt thereof, having the structure of Formula I or II:
- X is: O or NH
- Ar is: phenyl or pyridyl; or SO 2 NH 2 , SO 2 NH 2 CH 3 , SO 2 NH(CH 2 ) 3 , SO 2 NH(CH 2 ) 2 O, SO 2 CH 3 , CONH 2 , halogen , NO 2 , CN, NH 2 , CF 3 , NHCH 3 , OH, COOH, CH 2 OH, CO 2 Me, OCH 3 , NHCOCH 3 substituted phenyl; substituents are ortho, meta, para-single or more Replace.
- the thiazolopyrimidine HIV-1 reverse transcriptase inhibitor is one of the following compounds:
- the "pharmaceutically acceptable salt” as used in the present invention means that within the scope of reliable medical evaluation, the salt of the compound is suitable for contact with tissues of human or lower animals without undue toxicity, irritation and allergy. Reactions, etc., have a fairly reasonable ratio of benefits to risks, usually water or oil soluble or dispersible, and can be effectively used for their intended use.
- a pharmaceutically acceptable acid addition salt and a pharmaceutically acceptable base addition salt are included herein for the intended use and are compatible with the chemical nature of the compound of formula I. See S. M. Birge et al, J. Pharm. Sci., 1977, 66, pp. 1-19 for a list of suitable salts.
- a method for preparing a thiazolopyrimidine HIV-1 reverse transcriptase inhibitor comprising the steps of: 2,4-dichloro-substituted thiazolopyrimidine 1a or 1b as a starting material, first in N,N-dimethylformamide solution Intermediate-substituted phenol or aniline is nucleophilically substituted to form intermediate 2a or 2b; then intermediate 2a or 2b is nucleophilicly substituted with N-Boc-4-aminopiperidine to form intermediate 3a or 3b, and further in trifluoro Removal of BOC in acetic acid provides intermediate 4a or 4b; finally the key intermediate 4a or 4b is reacted with various substituted benzyl or benzyl bromide to form the target product 5a or 5b; the synthetic route is as follows:
- Reagents and conditions (i) substituted phenol or aniline, N,N-dimethylformamide, potassium carbonate, room temperature; (ii) N-Boc-4-aminopiperidine, N,N-dimethylformamide, Potassium carbonate, 120 ° C; (iii) dichloromethane, trifluoroacetic acid, room temperature; (iv) substituted benzyl chloride or benzyl bromide, N,N-dimethylformamide, potassium carbonate, room temperature.
- X, R, and Ar are the same as those in the above formula I or II.
- the substituted phenol or aniline is: mesitylene phenol, 2,6-dimethyl-4-cyanophenol, 2,6-dimethyl-4-(E)-cyanovinylphenol, both Trimethylaniline, 2,6-dimethyl-4-cyanoaniline, 2,6-dimethyl-4-(E)-cyanovinylaniline.
- the substituted benzyl chloride or benzyl bromide is: o-chlorobenzyl chloride, m-chlorobenzyl chloride, p-chlorobenzyl chloride, o-bromo bromide, m-bromo bromide, p-bromo bromide, o-fluorobenzyl bromide, m-chlorobenzyl chloride.
- the room temperature according to the invention is 20-30 °C.
- the present invention carries out cell-level anti-HIV-1 (III B ), single-drug resistant mutants L100I, K103N, Y181C, Y188L, E138K and double-resistant mutant F227L of the thiazole pyrimidine derivatives synthesized according to the above method.
- Active screening of /V106A, RES056 (K103N/Y181C) with nevirapine (NVP) and etravirine (ETV) as positive controls.
- Their anti-HIV-1 activity and toxicity data are listed in Tables 1 and 2, respectively.
- the thiazolopyrimidine derivatives of the present invention are a series of novel non-nucleoside HIV-1 inhibitors, and most of the compounds have superior to the marketed drug ETV for the HIV-1 wild strain. It is active, and most compounds have a selectivity index greater than 10,000 and are extremely safe.
- ETV HIV-1 wild strain
- all compounds have different degrees of inhibitory activity, among which the activities of the compounds SZ1, SZ2, SZ6, SZ7 and TZ1-4 are particularly prominent, and the activity of most mutant strains is superior to that of ETV. Therefore, such thiazolopyrimidine compounds have further research and development value and can be utilized as a lead compound against HIV-1.
- the thiazolopyrimidine HIV-1 reverse transcriptase inhibitors of the invention can be used as non-nucleoside HIV-1 inhibitors. Specifically, it is used as an HIV-1 inhibitor for the preparation of anti-AIDS drugs.
- An anti-HIV-1 pharmaceutical composition comprising a thiazolopyrimidine HIV-1 reverse transcriptase inhibitor of the invention and one or more pharmaceutically acceptable carriers or excipients.
- the invention provides a novel structure of thiazolopyrimidine HIV-1 reverse transcriptase inhibitor and a preparation method thereof, and the invention also provides screening results of the compound anti-HIV-1 activity and its first application in the field of antiviral. It has been proved by experiments that the thiazolopyrimidine derivatives of the present invention can be applied as HIV-1 inhibitors and have high application value. Specifically, it is used as an HIV-1 inhibitor for the preparation of an anti-AIDS drug.
- MTT is called brominated-3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyltetrazolium nitrogen (trade name: thiazole blue) and can be used to detect cell survival and growth.
- the detection principle is: MTT can be combined with living intracellular succinate dehydrogenase to reduce water-insoluble blue-purple crystal formamidine deposited in cells, while dead cells do not have this function.
- Dimethyl sulfoxide can dissolve the hyperthyroidism in the cells, and its absorbance (A) at 540 nm can be indirectly reflected by the microplate reader.
- the amount of MTT crystal formation is proportional to the number of cells within a certain number of cells.
- HIV-infected MT-4 cells develop lesions within a certain period of time (5-7 days)
- an appropriate concentration of the compound solution to be tested is added to the HIV-infected MT-4 cell suspension for a period of time (5- After 7 days of culture, the activity of MT-4 cells was measured by MTT assay, and the anti-HIV activity of the target compound was obtained by obtaining a drug concentration (EC 50 ) which protects 50% of the cells from cytopathic effects.
- EC 50 drug concentration
- HIV-1 (III B ), HIV-2 (ROD) strains, and various HIV-1 resistant strains provided by the Rega Institute of the University of Leuven, Belgium.
- NTP nevirapine
- ETV etravirine
- Test method The sample was diluted and added to the HIV-infected MT-4 cell suspension. After a period of time, the cell viability was measured by MTT colorimetry, and the absorbance (A) value at 540 nm was recorded in a microplate reader. Calculate EC 50 , CC 50 and SI.
- MTT colorimetry After adding a sample solution for a period of time, add 20 ⁇ L of MTT solution (5 mg/mL) to each well. After continuing to culture for several hours, discard the staining solution, and add 150 ⁇ L of DMSO to each well, and mix well. The absorbance (A) value at 540 nm was measured by a microplate reader.
- MT-4 cell culture medium On a 96-well cell culture plate, add 50 ⁇ L of 1 ⁇ 10 4 MT-4 cell culture medium, and add 20 ⁇ L of MT-4 cells infected with HIV-1 (III B or RES056) or HIV-2 (ROD), respectively. Liquid (100 times CCID 50 per ml) or blank (toxicity determination), then add different concentrations of test compound solution or positive control drug, and design 3 replicate wells for each concentration. The cells were then cultured in a 5% CO 2 atmosphere at 37 ° C for 5 days. 20 ⁇ L (5 mg/mL) of MTT solution was added to each well, and the culture was continued for 2 hours, then DMSO was added, and the reaction solution was measured at 540 nm using a microplate reader.
- the absorbance is calculated by calculating the cell proliferation rate P% at different concentrations of the compound.
- a blank and a drug control group and a positive drug control group were set, thereby calculating the concentration (EC 50 ) required for the compound to protect 50% of the cells from HIV-induced cytopathic disease, and causing the lesion concentration of 50% of the cells not infected with HIV ( CC 50 ).
- Select the calculation of the index: SI CC 50 /EC 50 .
- the synthesized partial thiazolopyrimidine derivatives were screened for activity against HIV-1 wild-type strains and mutant strains according to the above experimental methods, and the activity results are shown in Tables 1 and 2.
- a EC 50 concentration of a compound that inhibits 50% of the virus-induced cell mutating effect or a concentration of a compound that protects 50% of the virus-infected cells from cytopathic effects.
- b CC 50 The concentration at which 50% of cells that are not infected with HIV develop lesions.
- c SI selection factor, ratio of CC 50 /EC 50 .
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- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Virology (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Tropical Medicine & Parasitology (AREA)
- Medicinal Chemistry (AREA)
- Communicable Diseases (AREA)
- AIDS & HIV (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
Description
Claims (5)
- 如权利要求1所述的噻唑并嘧啶类HIV-1逆转录酶抑制剂的制备方法,步骤包括:以2,4-二氯取代的噻唑并嘧啶1a或1b为初始原料,首先在N,N-二甲基甲酰胺溶液中与取代苯酚或苯胺经亲核取代生成中间体2a或2b;然后中间体2a或2b分别与N-Boc-4-氨基哌啶发生亲核取代反应生成中间体3a或3b,进而在三氟乙酸中脱去BOC保护得到中间体4a或4b;最后关键中间体4a或4b分别与各种取代氯苄或溴苄的反应生成目标产物5a或5b;合成路线如下:试剂及条件:(i)取代苯酚或苯胺,N,N-二甲基甲酰胺,碳酸钾,室温;(ii)N-Boc-4-氨基哌啶,N,N-二甲基甲酰胺,碳酸钾,120℃;(iii)二氯甲烷,三氟乙酸,室温;(iv)取代 氯苄或溴苄,N,N-二甲基甲酰胺,碳酸钾,室温;X、R、Ar同权利要求1中通式I或II所示;所述的取代苯酚或苯胺为:均三甲基苯酚,2,6-二甲基-4-氰基苯酚,2,6-二甲基-4-(E)-氰基乙烯基苯酚,均三甲基苯胺,2,6-二甲基-4-氰基苯胺,2,6-二甲基-4-(E)-氰基乙烯基苯胺;所述的取代氯苄或溴苄为:邻氯氯苄、间氯氯苄、对氯氯苄、邻溴溴苄、间溴溴苄、对溴溴苄、邻氟氯苄、间氟氯苄、对氟氯苄、2,4-二氟溴苄、3,4-二氟溴苄、邻氰基氯苄、间氰基氯苄、对氰基氯苄、邻硝基氯苄、间硝基氯苄、对硝基氯苄、邻甲氧基氯苄、间甲氧基氯苄、对甲氧基氯苄、对甲磺酰基溴苄、间甲磺酰基溴苄、邻甲磺酰基溴苄、对磺酰胺基溴苄、间磺酰胺基溴苄、邻磺酰胺基溴苄、对甲酰胺基溴苄、间甲酰胺基溴苄、邻甲酰胺基溴苄、4-(溴甲基)苯甲酸甲酯、3-(溴甲基)苯甲酸甲酯、2-(溴甲基)苯甲酸甲酯。
- 一种如权利要求1或2所述噻唑并嘧啶类HIV-1逆转录酶抑制剂在制备治疗和预防人免疫缺陷病毒(HIV)药物中的应用。
- 一种药物组合物,包含权利要求1或2所述噻唑并嘧啶类HIV-1逆转录酶抑制剂和一种或多种药学上可接受载体或赋形剂。
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CN104926829A (zh) * | 2015-06-08 | 2015-09-23 | 山东大学 | 一种噻吩并嘧啶类衍生物及其制备方法和应用 |
CN108218896A (zh) * | 2018-04-12 | 2018-06-29 | 山东大学 | 一种噻唑并嘧啶类hiv-1逆转录酶抑制剂及其制备方法和应用 |
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CN104926829A (zh) * | 2015-06-08 | 2015-09-23 | 山东大学 | 一种噻吩并嘧啶类衍生物及其制备方法和应用 |
CN108218896A (zh) * | 2018-04-12 | 2018-06-29 | 山东大学 | 一种噻唑并嘧啶类hiv-1逆转录酶抑制剂及其制备方法和应用 |
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