WO2015067108A1 - 环状黄酮或异黄酮类化合物及其用途 - Google Patents

环状黄酮或异黄酮类化合物及其用途 Download PDF

Info

Publication number
WO2015067108A1
WO2015067108A1 PCT/CN2014/087879 CN2014087879W WO2015067108A1 WO 2015067108 A1 WO2015067108 A1 WO 2015067108A1 CN 2014087879 W CN2014087879 W CN 2014087879W WO 2015067108 A1 WO2015067108 A1 WO 2015067108A1
Authority
WO
WIPO (PCT)
Prior art keywords
alkyl
group
substituted
amino
unsubstituted
Prior art date
Application number
PCT/CN2014/087879
Other languages
English (en)
French (fr)
Inventor
张所明
Original Assignee
上海唐润医药科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海唐润医药科技有限公司 filed Critical 上海唐润医药科技有限公司
Publication of WO2015067108A1 publication Critical patent/WO2015067108A1/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D519/00Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/41641,3-Diazoles
    • A61K31/41781,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/16Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04Ortho-condensed systems

Definitions

  • the invention belongs to the technical field of compound synthesis, and in particular relates to a cyclic flavonoid or isoflavone compound and use thereof.
  • Hepatitis C virus is the main pathogen after transfusion and sporadic hepatitis.
  • the virion is spherical, less than 80 nm in diameter (36-40 nm in hepatocytes, 36-62 nm in blood), and is a single-stranded positive chain.
  • the RNA virus which is surrounded by a lipid-containing capsule in the nucleocapsid, has a spike on the capsule.
  • the HCV-RNA consists of approximately 9500-10000 bp, and an open reading frame (ORF) is immediately downstream of the 5' non-coding region.
  • the genome sequence is 5'-C-E1-E2-p7-NS2-NS3.
  • -NS4-NS5-3 a single polyprotein precursor encoding 3014 amino acids, cleaved into structural proteins (C, E1, E2, P7) and non-structural proteins (NS2, NS3, by host signal peptidase and viral proteases) NS4 and NS5).
  • the NS5 region of the non-structural gene is located at 6258-9374 nt in the genome, and the cleavage site of NS5A and NS5B is cleaved by NS3 serine protease. The cleavage site of cytosine and flank of the different HCV isolates is relatively conserved.
  • the NS5A region is located at 6258-7601nt, encoding 1973-2420aa, the relative molecular weight of the protein is 56KD (ie P56) and 58KD (ie P58), P58 is the hyperphosphorylated form of P56, in the presence of NS3, NS4A and NS4B, P56 Turned into P58.
  • HCV-infected patients have different responses to interferon therapy, the average response rate is less than 50%, and the recurrence rate after drug withdrawal is higher.
  • IFN interferon
  • the treatment of HCV virus still needs new drugs, such as inhibitors acting on the novel target NS5a.
  • HCV NS5a inhibitors can be used in combination with NS3/4a and NS5b inhibitors to treat patients infected with a drug-resistant HCV virus.
  • Q is -O-, -S-, -C(R 4 R 5 )-, -C(R 4 R 5 )O-, -OC(R 4 R 5 )-, -C(R 4 R 5 )N (R 6 )-, -N(R 6 )C(R 4 R 5 )-, -N(R 6 )-, -C(R 4 R 5 )C(R 4 R 5 )-, -C(R 4 R 5 )-S- or -SC(R 4 R 5 )-;
  • W is -(NHC(O)) 1 ⁇ 2 -, -(C 1 -C 3 )alkylene-(NHC(O)) 1 ⁇ 2 -,
  • R 1 may be bonded to W to form an imidazole ring, that is, R 1 , W together with the cyclic flavonoid or the phenyl group on the isoflavone itself form a fused ring structure, a benzimidazole ring structure, and two nitrogen atoms on the imidazole ring A carbon atom between them is then attached to the following group:
  • R 1 , R 2 , R 3 , R 4 , R 5 are independently H, D, OH, halogen, CN, amino, or the following substituent group selected from unsubstituted or substituted with 1 to 5 R 0 :(C 1 -C 8 alkyl) 1-2 amino, C 1 -C 8 alkoxycarbonyl, (C 1 -C 8 alkyl) 1-2 carbamoyl, C 1 -C 8 alkyl fluorenyl , C 1 -C 8 alkylsulfonyl, C 1 -C 8 alkylsulfinyl, C 1 -C 8 alkyl, C 1 -C 8 alkoxy, 1 to 2 hydroxyl or 1 to 2 (C 1 -C 2 alkyl) 1-2 amino-substituted C 1 -C 8 alkoxy, C 3 -C 10 cycloalkyl, C 2 -C 8 heterocycloalkyl, C 6 -C 10 aryl a
  • R 6 is H, D, or a group of substituents selected from unsubstituted or substituted with 1 to 5 R 0 : C 1 -C 8 alkyl formyl, C 1 -C 8 alkoxy formyl, (C 1 -C 8 alkyl) 1-2 carbamoyl, C 1 -C 8 alkylsulfonyl, C 1 -C 8 alkylsulfinyl, C 1 -C 8 alkyl, C 3 -C 8 a cycloalkyl group, a C 2 -C 8 heterocycloalkyl group or a C 6 -C 10 aryl group;
  • R 1 ' is independently H, D, OH, halogen, CN, amino, or the group of substituents selected from unsubstituted or substituted by 1 to 5 R 0 :(C 1 -C 8 alkyl 1-2 amino, C 1 -C 8 alkoxycarbonyl, (C 1 -C 8 alkyl) 1-2 carbamoyl, C 1 -C 8 alkyl fluorenyl, C 1 -C 8 alkyl sulfonate Acyl group, C 1 -C 8 alkylsulfinyl group, C 1 -C 8 alkyl group, C 1 -C 8 alkoxy group, 1 to 2 hydroxyl groups or 1 to 2 (C 1 -C 2 alkyl groups) 1-2 amino-substituted C 1 -C 8 alkoxy, C 3 -C 10 cycloalkyl, C 2 -C 8 heterocycloalkyl, C 6 -C 10 aryl, C 6 -C 10
  • R 2 ' is a group of substituents selected from unsubstituted or substituted by 1 to 5 R 0 : C 1 -C 8 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 7 heterocycloalkane Or a C 6 -C 10 aryl group;
  • R 3 ' is H, D, or a C 1 -C 8 alkyl group selected from unsubstituted or substituted by 1 to 5 R 0 ;
  • R 4 ' is a group of substituents selected from unsubstituted or substituted by 1 to 5 R 0 : C 1 -C 8 alkyl, C 1 -C 8 alkylformyl or C 1 -C 8 alkoxy Carboxyyl;
  • R 3 ', R 4 ' and the nitrogen atom to which it is bonded form a 3 to 7 membered monocyclic ring having 4 atoms and containing 0 to 2 hetero atoms selected from N, O and S hetero atoms, or 4 to 12 membered bicyclic rings or 5 to 5 12 yuan spiral ring;
  • R 0 is H, D, OH, halogen, CN, amino, (C 1 -C 8 alkyl) 1-2 amino, C 1 -C 8 alkoxycarbonyl, (C 1 -C 8 alkyl 1-2 carbamoyl, C 1 -C 8 alkyl fluorenyl, C 1 -C 8 alkylsulfonyl, C 1 -C 8 alkylsulfinyl, C 1 -C 8 alkyl, C 1 -C 8 -alkoxy, C 3 -C 10 cycloalkyl, C 2 -C 8 heterocycloalkyl, C 6 -C 10 aryl, C 6 -C 10 aryloxy, glycosyloxy, or 1 ⁇ 5 oxygen-substituted C 1 -C 8 alkyl groups.
  • R 1 , R 2 , R 3 , R 4 , R 5 , R 1 ' are independently H, D, OH, halogen, CN, amino, or independently selected from unsubstituted Or the following group of substituents substituted by 1 to 3 R 0 : (C 1 -C 6 alkyl) 1-2 amino, C 1 -C 6 alkoxycarbonyl, (C 1 -C 6 alkyl) 1-2 carbamoyl, C 1 -C 6 alkyl fluorenyl, C 1 -C 6 alkylsulfonyl, C 1 -C 6 alkylsulfinyl, C 1 -C 6 alkyl, C 1 -C 6 Alkoxy, C 1 -C 6 alkoxy, C 3 -C 7 cycloalkyl, C 2 substituted by 1 to 2 hydroxyl groups or 1 to 2 (C 1 -C 2 alkyl) 1-2 amino groups -C 6 heterocyclo
  • R 1 , R 2 , R 3 , R 4 , R 5 , R 1 ' are independently H, D, OH, halogen, CN, amino, or independently selected from unsubstituted or 1
  • the following substituent groups substituted with R 0 (C 1 -C 4 alkyl) 1-2 amino, C 1 -C 4 alkoxycarbonyl, (C 1 -C 4 alkyl) 1-2 carbamoyl , C 1 -C 4 alkylfluorenyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, 1 ⁇ 2 hydroxyl groups or 1 to 2 (C 1 -C 2 alkyl) 1-2 amino-substituted C 1 -C 4 alkoxy groups, C 3 -C 7 cycloalkyl groups, C 2 -C 5 heterocycloalkane
  • R 6 is H, D or a group of substituents selected from unsubstituted or substituted by 1 to 3 R 0 : C 1 -C 6 alkyl formyl, C 1 -C 6 alkoxycarbonyl, (C 1 -C 6 alkyl) 1-2 carbamoyl, C 1 -C 6 alkylsulfonyl, C 1 -C 6 alkylsulfinyl, C 1 -C 6 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 6 heterocycloalkyl or C 6 -C 8 aryl.
  • R 6 is H, D or a group of substituents selected from unsubstituted or substituted by 1 R 0 : C 1 -C 4 alkyl formyl, C 1 -C 4 alkoxy Formyl, (C 1 -C 4 alkyl) 1-2 carbamoyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 5 heterocycloalkyl or phenyl.
  • R 2 ' is a C 1 -C 6 alkyl group, a C 3 -C 7 cycloalkyl group, a C 2 -C 6 hetero group which is unsubstituted or substituted by 1 to 3 R 0 .
  • Cycloalkyl or C 6 -C 8 aryl More preferably, R 2 'is C 1 -C 4 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 5 heterocycloalkyl or phenyl which is unsubstituted or substituted by 1 R 0 .
  • R 3 ' is H, D, or a C 1 -C 6 alkyl group which is unsubstituted or substituted by 1 to 3 R 0 . More preferably, R 3 ' is H, D, or a C 1 -C 4 alkyl group which is unsubstituted or substituted with 1 R 0 .
  • R 4 ' is a C 1 -C 6 alkyl group, a C 1 -C 6 alkyl formyl group or a C 1 -C 6 which is unsubstituted or substituted by 1 to 3 R 0 .
  • Alkoxycarbonyl More preferably, R 4 'is a C 1 -C 4 alkyl group, a C 1 -C 4 alkyl formyl group or a C 1 -C 4 alkoxy formyl group which is unsubstituted or substituted with 1 R 0 .
  • R 0 is H, D, OH, halogen, CN, amino, (C 1 -C 6 alkyl) 1-2 amino, C 1 -C 6 alkoxycarbonyl, ( C 1 -C 6 alkyl) 1-2 carbamoyl, C 1 -C 6 alkyl fluorenyl, C 1 -C 6 alkylsulfonyl, C 1 -C 6 alkylsulfinyl, C 1 -C 6 Alkyl, C 1 -C 6 alkoxy, C 3 -C 7 cycloalkyl, C 2 -C 6 heterocycloalkyl, C 6 -C 8 aryl, C 6 -C 8 aryloxy, sugar A oxy group or a C 1 -C 6 alkyl group substituted by 1 to 3 oxygens.
  • R 0 is H, D, OH, halogen, CN, amino, (C 1 -C 4 alkyl) 1-2 amino, C 1 -C 4 alkoxycarbonyl, (C 1 -C 4- alkyl) 1-2 carbamoyl, C 1 -C 4 alkyl fluorenyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 3 -C 7 cycloalkyl, C 2 -C 5 heterocycloalkyl, phenyl, phenoxy, glycosyloxy, or C 1 -C substituted by 1 oxygen 4 alkyl.
  • R 11 ' is C 1 -C 8 alkyl or C 1 -C 8 heteroalkyl substituted by O, S, N heteroatom, preferably C 1 -C 6 alkyl or C 1 -C 6 heteroalkyl, More preferably, it is a C 1 -C 4 alkyl group or a C 1 -C 4 heteroalkyl group.
  • the glycosyloxy group may be any monosaccharide or disaccharide glyco group such as glucosyloxy, ribosyloxy, arabinoxy, xyloseoxy or fructose. Baseoxy and so on.
  • the invention specifically includes the following compounds:
  • Another object of the present invention is to provide a use of the cyclic flavonoid or isoflavone compound represented by the formula (I) for the preparation of a medicament for treating a disease of HCV infection.
  • Still another object of the present invention is to provide a use of the cyclic flavonoid or isoflavone compound represented by the formula (I) for diseases in which HCV is infected.
  • a further object of the present invention is to administer an effective amount of a cyclic flavonoid or isoflavone compound of the formula (I) to a patient infected with HCV.
  • a further object of the present invention is to provide a cyclic flavonoid or isoflavone compound of the formula (I) for use in the treatment of HCV infection in combination with an HCV NS3/4a protease inhibitor, an HCV NS5b polymerase inhibitor or other anti-HCV agent. patient.
  • Step a heating a cyclic flavonoid or isoflavone raw material with a bis-pinacol borate under a catalyst Pd(dppf)Cl 2 in a 1,4-dioxane solvent to obtain an intermediate compound.
  • Step b further intermediate compounds with (wherein L is a halogen or OTf) is catalyzed by Pd(dppf)Cl 2 in a 1,4-dioxane/H 2 O solvent to give the target compound represented by the formula (I).
  • the intermediate 2-2 was used as a starting material, and the method was combined with the intermediate 1-3 of Example 1 to give Intermediate 2-3 (150 mg, yield 63%).
  • the intermediate 2-3 was used as a raw material, and the method was synthesized in the same manner as the intermediate 1-4 of Example 1, to obtain Interstitial 2-4 (460 mg, yield 91%).
  • the intermediate 2-4 was used as a starting material, and the method was combined with the intermediate 1-5 of Example 1 to obtain Intermediate 2-5 (390 mg, yield 100%).
  • 2,5-Dimethoxy- ⁇ -chloroacetophenone (8 g, 37.3 mmol), methyl 4-methoxysalicylate (7.47 g, 41.03 mmol), cesium carbonate Cs 2 CO 3 (42.5 g , 130.55 mmol), sodium iodide (4.47 g, 29.84 mmol) was mixed with DMF (180 mL), and the mixture was heated to 100 ° C for 1.5 hours under nitrogen atmosphere to stop the reaction.
  • the intermediate 4-1 was used as a starting material, and the method was combined with the intermediate 1-4 of Example 1 to obtain Intermediate 4-2 (2 g, yield: 47.8%).
  • GT1a and GT1b are HCV Replicon Systems transfected with HCV 1a, 1b, 2a genotypes, respectively, containing the G418 resistance gene NEO and luciferase reporter gene, by real-time quantitative polymerase chain reaction (qPCR) detection of NEO content and chemiluminescence detection of luciferase gene expression levels, can be used to determine the level of replication of hepatitis C, to evaluate the effect of compounds 1-4 on HCV virus replication.
  • qPCR quantitative polymerase chain reaction
  • HCV replicon transfected cells Huh7.5.1 cells transfected with HCV replicon (wild type 1b). The transfected cells were seeded in 96-well plates, 8000 cells per well, and cultured at 37 ° C, 5% CO 2 for 24 hours.
  • Sample processing addition of different concentrations of HCH7.5.1 cells transfected with HCV replicon Samples 1 to 4, two duplicate wells per concentration, and no sample control wells.
  • the test sample was started from the highest concentration tested, and the POD810 automatic microplate pretreatment system was added to the cells with different concentrations of the compound; the concentration was diluted 3 times; the culture was continued for 72 hours.
  • the fluorescence signal was measured by adding Cell Titer-fluor (Promega), and the obtained data (RFU) was calculated using the GraphPad Prism software to calculate the EC 50 of the compound.
  • Range for 50 EC HCV 1b are as follows: a represents: 0.0001nM ⁇ EC 50 ⁇ 0.100nM; b represents: 0.100nM ⁇ EC 50 ⁇ 10.00nM; c represents: 10.00nM ⁇ EC 50 ⁇ 100.0nM; d represents: EC 50 > 100nM.
  • Table 2 EC 50 values of compounds 1 to 4 against HCV 1b genotype replicons
  • the cyclic flavonoid or isoflavone compound of the present invention has an excellent anti-hepatitis C virus effect, and the EC 50 value of the compounds 1 to 4 against the HCV 1b genotype replicon is less than 0.100 nM, which has a very good industrial application prospect.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Virology (AREA)
  • Epidemiology (AREA)
  • Oncology (AREA)
  • Communicable Diseases (AREA)
  • Molecular Biology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

本发明公开了一种式(I)所示的环状黄酮或异黄酮类化合物或其氮氧化物、水合物、溶剂化物、代谢产物或药学上可接受的盐或前药。当A为-C(O)-时,A2为-O-;当A为-O-时,A2为-C(O)-;Q为-O-、-S-、-C(R4R5)-、-C(R4R5)O-、-OC(R4R5)-、-C(R4R5)N(R6)-、-N(R6)C(R4R5)-、-N(R6)-、-C(R4R5)C(R4R5)-、-C(R4R5)-S-或-S-C(R4R5)-;W为-(NHC(O))1~2-、-(C1-C3)亚烷基-(NHC(O))1~2-、式(II)、式(III)、式(IV)或式(V);或者R1可与W连接形成咪唑环。本发明的环状黄酮或异黄酮类化合物具有优异的抗丙肝病毒的效果。

Description

环状黄酮或异黄酮类化合物及其用途 技术领域
本发明属于化合物合成的技术领域,具体地涉及到一种环状黄酮或异黄酮类化合物及其用途。
背景技术
丙型肝炎病毒(HCV)是输血后以及散发性肝炎的主要病原,病毒体呈球形,直径小于80nm(在肝细胞中为36~40nm,在血液中为36~62nm),为单股正链RNA病毒,在核衣壳外包绕含脂质的囊膜,囊膜上有刺突。HCV-RNA大约有9500~10000bp组成,在5′非编码区下游紧接一开放的阅读框(open reading frame,ORF),基因组排列顺序为5′-C-E1-E2-p7-NS2-NS3-NS4-NS5-3,编码3014个氨基酸的单一多聚蛋白前体,经宿主信号肽酶和病毒蛋白酶裂解为结构蛋白(C、E1、E2、P7)和非结构蛋白(NS2、NS3、NS4和NS5)。非结构基因NS5区位于基因组第6258-9374nt,由NS3丝氨酸蛋白酶裂解成NS5A和NS5B两部分裂解位点位于cys-2420/ser2421间,不同HCV分离株的裂解位点及其侧翼序列相对保守。NS5A区位于6258-7601nt,编码1973-2420aa,蛋白的相对分子量为56KD(即P56)和58KD(即P58),P58是P56的过磷酸化形式,在NS3、NS4A和NS4B存在情况下,P56才能转变成P58。
目前公认对丙型肝炎抗病毒治疗有效药物是干扰素(IFN),但HCV感染者对干扰素治疗的应答不一,平均应答率不足50%,且停药后复发率较高。FDA于2011年批准了两个NS3/4A丝氨酸蛋白酶抑制剂Telaprevir和Boceprevir上市,为丙型肝炎的治疗提供了新的有效方法。但是耐药性和毒副作用的出现,使得HCV病毒的治疗仍然需要新型药物,如作用于新型靶点NS5a的抑制剂。可将HCV NS5a抑制剂与NS3/4a及NS5b抑制剂联合用药用于治疗感染了耐药性的HCV病毒的病人。
发明内容
本发明的目的在于提供一种式(I)所示的环状黄酮或异黄酮类化合物,
Figure PCTCN2014087879-appb-000001
或其氮氧化物、水合物、溶剂化物、代谢产物或药学上可接受的盐或前药,其中,
当A1为-C(O)-时,A2为-O-;当A1为-O-时,A2为-C(O)-;
Q为-O-、-S-、-C(R4R5)-、-C(R4R5)O-、-OC(R4R5)-、-C(R4R5)N(R6)-、-N(R6)C(R4R5)-、-N(R6)-、-C(R4R5)C(R4R5)-、-C(R4R5)-S-或-S-C(R4R5)-;
W为-(NHC(O))1~2-、-(C1-C3)亚烷基-(NHC(O))1~2-、
Figure PCTCN2014087879-appb-000002
Figure PCTCN2014087879-appb-000003
或者R1可与W连接形成咪唑环,即R1、W与环状黄酮或异黄酮自身上的苯基一起形成稠环结构——苯并咪唑环结构,该咪唑环上两个氮原子之间的一个碳原子再连接下式基团:
Figure PCTCN2014087879-appb-000004
R1、R2、R3、R4、R5独立地为H、D、OH、卤素、CN、氨基,或者选自未被取代的或被1~5个R0取代的下列取代基组:(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、被1~2个羟基或1~2 个(C1-C2烷基)1-2氨基取代的C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的C1-C8烷基;
R6为H、D,或者选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基甲酰基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C3-C8环烷基、C2-C8杂环烷基或C6-C10芳基;
其中,R1′独立地为H、D、OH、卤素、CN、氨基,或者选自未被取代的或被1~5个R0取代的下列取代基组:(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的C1-C8烷基;
或者相邻两个碳原子上的R1′与其连接的2个碳原子一起形成C3-C7的碳环,或者同一碳原子上的两个R1′与其连接的1个碳原子形成可被0~2个选自N、O和S杂原子插入的3~7元环,或者中间间隔有1个碳原子的2个碳原子上的R1′与其连接的2个碳原子一起形成C3-C7的碳环;
R2′为选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基、C3-C7环烷基、C2-C7杂环烷基或C6-C10的芳基;
R3′为H、D,或选自未被取代的或被1~5个R0取代的C1-C8烷基;
R4′为选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基、C1-C8烷基甲酰基或C1-C8烷氧基甲酰基;
或者R3′、R4′与其连接的氮原子形成含有1个N原子且含有0~2个选自N、O和S杂原子的3~7元单环、4~12元双环或5~12元螺环;
其中,R0为H、D、OH、卤素、CN、氨基、(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的 C1-C8烷基。
在本发明中,优选地是,R1、R2、R3、R4、R5、R1′独立地为H、D、OH、卤素、CN、氨基,或者独立地选自未被取代的或被1~3个R0取代的下列取代基组:(C1-C6烷基)1-2氨基、C1-C6烷氧基甲酰基、(C1-C6烷基)1-2氨基甲酰基、C1-C6烷基巯基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C1-C6烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C6烷氧基、C3-C7环烷基、C2-C6杂环烷基、C6-C8芳基、C6-C8芳基氧基、糖基氧基、或被1~3个氧取代的C1-C6烷基。更优选地是,R1、R2、R3、R4、R5、R1′独立地为H、D、OH、卤素、CN、氨基,或者独立地选自未被取代的或被1个R0取代的下列取代基组:(C1-C4烷基)1-2氨基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基巯基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C1-C4烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C4烷氧基、C3-C7环烷基、C2-C5杂环烷基、苯、苯氧基、糖基氧基或被1个氧取代的C1-C4烷基。
在本发明中,优选地是,R6为H、D,或者选自未被取代的或被1~3个R0取代的下列取代基组:C1-C6烷基甲酰基、C1-C6烷氧基甲酰基、(C1-C6烷基)1-2氨基甲酰基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C3-C7环烷基、C2-C6杂环烷基或C6-C8芳基。更优选地是,R6为H、D,或者选自未被取代的或被1个R0取代的下列取代基组:C1-C4烷基甲酰基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C3-C7环烷基、C2-C5杂环烷基或苯基。
在本发明中,优选地是,R2′为未被取代的或被1~3个R0取代的C1-C6烷基、C3-C7环烷基、C2-C6杂环烷基或C6-C8的芳基。更优选地是,R2′为未被取代的或被1个R0取代的C1-C4烷基、C3-C7环烷基、C2-C5杂环烷基或苯基。
在本发明中,优选地是,R3′为H、D,或未被取代的或被1~3个R0取代的C1-C6烷基。更优选地是,R3′为H、D,或未被取代的或被1个R0取代的 C1-C4烷基。
在本发明中,优选地是,R4′为未被取代的或被1~3个R0取代的C1-C6烷基、C1-C6烷基甲酰基或C1-C6烷氧基甲酰基。更优选地是,R4′为未被取代的或被1个R0取代的C1-C4烷基、C1-C4烷基甲酰基或C1-C4烷氧基甲酰基。
在本发明中,优选地是,R0为H、D、OH、卤素、CN、氨基、(C1-C6烷基)1-2氨基、C1-C6烷氧基甲酰基、(C1-C6烷基)1-2氨基甲酰基、C1-C6烷基巯基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C1-C6烷氧基、C3-C7环烷基、C2-C6杂环烷基、C6-C8芳基、C6-C8芳基氧基、糖基氧基、或被1~3个氧取代的C1-C6烷基。更优选地是,R0为H、D、OH、卤素、CN、氨基、(C1-C4烷基)1-2氨基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基巯基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C1-C4烷氧基、C3-C7环烷基、C2-C5杂环烷基、苯基、苯氧基、糖基氧基、或被1个氧取代的C1-C4烷基。
优选地是,式(I)中的
Figure PCTCN2014087879-appb-000005
为下列取代基之一:
Figure PCTCN2014087879-appb-000006
R11′为C1-C8烷基或被O、S、N杂原子取代的C1-C8杂烷基,优选为C1-C6烷基或C1-C6杂烷基,更优选C1-C4烷基或C1-C4杂烷基。
在本发明中,所述的糖基氧基可以为任意单糖糖基或二糖糖基,如为葡萄糖基氧基、核糖基氧基、阿拉伯糖基氧基、木糖基氧基或果糖基氧基等等。
式(I)所示的结构式中″
Figure PCTCN2014087879-appb-000007
″表示为单键或双键。
本发明具体包括如下化合物:
Figure PCTCN2014087879-appb-000008
本发明的另一目的在于提供式(I)所示的环状黄酮或异黄酮类化合物在制备治疗HCV感染的疾病的药物中的用途。
本发明的又一目的在于提供式(I)所示的环状黄酮或异黄酮类化合物在HCV感染的疾病方面的应用。
本发明的再一目的在于给予HCV感染的病人施加有效量的式(I)所示的环状黄酮或异黄酮类化合物。
本发明的再一目的在于提供式(I)所示的环状黄酮或异黄酮类化合物与HCV NS3/4a蛋白酶抑制剂、HCV NS5b聚合酶抑制剂或其它抗丙肝药物联合用于治疗HCV感染的病人。
本发明式(I)所示的环状黄酮或异黄酮类化合物的合成流程如下所示:
Figure PCTCN2014087879-appb-000009
步骤a:将环状黄酮或异黄酮类原料与双联频哪醇硼酸酯在催化剂Pd(dppf)Cl2下于1,4-二氧六环溶剂中加热反应得到中间体化合物。
步骤b:再将中间体化合物与
Figure PCTCN2014087879-appb-000010
(其中L为卤素或OTf)在1,4-二氧六环/H2O溶剂中用Pd(dppf)Cl2催化反应得到式(I)所示的目标化合物。
具体实施方式
实施例1  化合物1
Figure PCTCN2014087879-appb-000011
中间体1-1的合成
将4-溴-2-甲氧基苯乙酸(147mg,0.6mmol)与间苯二酚(60mg,0.54mmol)在三氟化硼乙醚(1mL)中混合均匀,加热到90℃反应过夜,点板检测反应完全。将反应液倒入水中,乙酸乙酯萃取。乙酸乙酯层用饱和碳酸氢钠洗,盐水洗,无水硫酸钠干燥,浓缩,制备薄层层析纯化(石油醚/乙酸乙酯=2/1)得到80mg黄色固体产物1-1。
1H NMR(400MHz,DMSO-d6)δ12.36(s,1H),10.67(brs,1H),7.91(d,J=9.2Hz,1H),7.17-7.09(m,3H),6.40(dd,J=8.4Hz,2.0Hz,1H),6.26(d,J=2.4Hz,1H),4.24(s,2H),3.74(s,3H).
中间体1-2的合成
将1-1(1g,2.97mmol)与乙酸钠(2.44g,29.66mmol)在乙酸酐(10mL)中混合均匀,回流过夜,点板检测反应完全。将反应液倒入冰水中,乙酸乙酯萃取。乙酸乙酯层用饱和碳酸氢钠洗涤多次,再用盐水洗,无水硫酸钠干燥, 浓缩,硅胶柱层析纯化(石油醚/乙酸乙酯=20/1~8/1)得到800mg微黄色固体产物1-2。
1H NMR(400MHz,DMSO-d6)δ8.06(d,J=8.8Hz,1H),7.52(d,J=2.0Hz,1H),7.30-7.26(m,2H),7.23(dd,J=7.6Hz,2.0Hz,1H),7.12(d,J=8.4Hz,1H),3.74(s,3H),2.34(s,3H),2.18(s,3H).
中间体1-3的合成
将1-2(100mg,0.25mmol)溶入四氯化碳(2mL)中,分批加入过氧化二苯甲酰(12mg,0.16mmol)与N-溴代丁二酰亚胺(138mg,0.78mmol),反应回流过夜,点板显示反应完全。反应液用水淬灭,二氯甲烷萃取。二氯甲烷层用水洗,盐水洗,无水硫酸钠干燥,浓缩得粗品,制备薄层层析纯化(石油醚/二氯甲烷/乙酸乙酯=15/15/1)得到60mg白色固体产物1-3。
1H NMR(400MHz,CDCl3)δ8.24(d,J=8.8Hz,1H),7.36(d,J=2.4Hz,1H),7.23(dd,J=8.0Hz,1.6Hz,1H),7.18-7.13(m,3H),4.20(d,J=11.2Hz,1H),4.11(d,J=11.2Hz,1H),3.78(s,3H),2.39(s,3H).
中间体1-4的合成
将1-3(50mg,0.1mmol)溶于二氯甲烷(1mL)中,0℃下滴加三溴化硼(39mg,0.16mmol),室温搅拌过夜,点板检测反应完全。反应液用甲醇淬灭,浓缩,制备薄层层析纯化(二氯甲烷/甲醇=15/1)得到40mg白色固体产物1-4。
1H NMR(400MHz,CDCl3)δ10.91(brs,1H),10.01(brs,1H),7.87(d,J=8.4Hz,1H),7.10-7.03(m,3H),6.94(dd,J=8.8Hz,2.0Hz,1H),6.87(d,J=2.0Hz,1H),4.42(d,J=11.2Hz,1H),4.19(d,J=11.6Hz,1H).
中间体1-5的合成
将1-4(40mg,0.094mmol)溶于DMF(二甲基甲酰胺)(1mL)中,分批加入碳酸钾(20mg,0.14mmol),室温搅拌过夜,点板检测反应完全。将反应液倒入 水中,用1N盐酸酸化pH至2,乙酸乙酯萃取。乙酸乙酯层用水洗,饱和碳酸氢钠洗,盐水洗,无水硫酸钠干燥,浓缩得到30mg灰白色固体产物1-5。
1H NMR(400MHz,DMSO-d6)δ10.93(brs,1H),8.62(d,J=8.8Hz,1H),8.00(d,J=9.2Hz,1H),7.27(dd,J=8.4Hz,2.0Hz,1H),7.21(d,J=2.0Hz,1H),6.97(dd,J=8.4Hz,2.0Hz,1H),6.88(d,J=2.4Hz,1H),5.21(s,2H);ESI-LCMS m/z 345.0(M+H).
中间体1-6的合成
将1-5(320mg,0.93mmol)悬浮在二氯甲烷(10mL)中,0℃下依次加入吡啶(147mg,1.85mmol)与三氟甲磺酸酐(Tf2O)(314mg,1.11mmol),室温搅拌两小时,点板检测反应完全。反应液用水淬灭,二氯甲烷萃取。二氯甲烷层用1N盐酸洗,碳酸氢钠洗,盐水洗,无水硫酸钠干燥,浓缩得到430mg黄色固体产物1-6。
化合物1(盐酸盐)的合成
步骤a
中间体1-6(2g)、双联频哪醇硼酸酯(4eq)、KOAc(5eq)、Pd(dppf)Cl2([1,1′-双(二苯基磷)二茂铁]二氯化钯)(0.1eq)在1,4-二氧六环(40mL)中加热到80℃过夜,加水淬灭,乙酸乙酯萃取,柱层析(PE/EA(石油醚/乙酸乙酯)100∶1~10∶1)纯化得到1.75g硼酸酯。
步骤b
步骤a得到的硼酸酯(100mg)、式(i)所示的化合物(WO2011079327)(2eq)、Na2CO3(6eq)和Pd(dppf)Cl2(0.2eq)在1,4-二氧六环/H2O(2/1,3mL)中80℃下搅拌过夜,点板显示反应完全。该混合物用水和二氯甲烷萃取,二氯甲烷层盐水洗涤,干燥,浓缩,柱层析(二氯甲烷/甲醇,200∶1~100∶1)得到80mg淡黄色产物。粗品制备板(EA/MeOH=50/1)分离后得到30mg淡黄色固体。然后溶在甲基叔丁基醚/1,4-二氧六环(1/1,1.5mL)中,滴加HCl/1,4-二氧六环 (4.5N),室温搅拌过夜,静置1小时,上层清液吸走,固体抽干,然后在乙酸乙酯中室温搅拌两小时,过滤,干燥得到化合物1(盐酸盐)(170mg,收率23%)。
1H NMR(400MHz,DMSO-d6)δ15.16(brs,2H),15.78-14.48(m,2H),8.76(d,J=8.0Hz,1H),8.36(d,J=6.0Hz,1H),8.24(d,J=8.4Hz,1H),8.15(s,1H),8.05(d,J=8.4Hz,1H),7.62(dd,J=8.0Hz,1.6Hz,1H),7.58(s,1H),7.31(dd,J=8.4Hz,3.6Hz,2H),5.33(s,2H),5.22-5.16(m,2H),4.12(t,J=7.6Hz,2H),4.04-3.96(m,2H),3.88-3.72(m,2H),3.54(s,6H),2.42-2.36(m,2H),2.24-2.16(m,4H),2.12-1.96(m,4H),0.85-0.76(m,12H);ESI-LCMS m/z835.5(M+H).
实施例2  化合物2
Figure PCTCN2014087879-appb-000012
中间体2-1的合成
5-溴-2-羟基苯丙酮(4.9g,21.4mmol)和4-溴-2-甲氧基苯甲醛(4.6g,21.4 mmol)溶解在无水乙醇(50mL)中,然后加入KOH(7.2g,12.8mmol),室温搅拌18小时反应完全,反应液倒入水(150mL),用盐酸调节pH5-7,过滤,滤饼水洗,石油醚洗,干燥,粗产物用乙酸乙酯∶石油醚(1∶1)重结晶得到黄色固体中间体2-1(6.4g,收率70%)。
1H NMR(400MHz,DMSO-d6)δ10.27(s,1H),7.49(dd,J=8.4Hz,J=2.8Hz,1H),7.41(d,J=2.8Hz,1H),7.37(d,J=8.0Hz,1H),7.26(d,J=2.0Hz,1H),7.23(dd,J=8.0Hz,J=2.0Hz,1H),7.19(s,1H),6.89(d,J=8.0Hz,1H),3.78(s,3H),2.01(s,3H).
中间体2-2的合成
中间体2-1(3g,7mmol)溶解在DMSO(二甲基亚砜)(30mL)中,室温下加入碘(1.787g,7mmol),升温到140℃搅拌1小时,反应液用硫代硫酸钠溶液(20%)淬灭,过滤,固体用乙酸乙酯溶解,水洗,饱和食盐水洗,干燥,浓缩,硅胶柱层析(石油醚/乙酸乙酯=100/1)纯化得到白色固体2-2(1.6g,收率54%)。
1H NMR(400MHz,DMSO-d6)δ8.16(d,J=3.0Hz,1H),7.95(dd,J=9.2Hz,J=2.8Hz,1H),7.62(d,J=8.8Hz,1H),7.47(d,J=8.4Hz,1H),7.46(d,J=1.6Hz,1H),7.34(dd,J=8.0Hz,J=1.6Hz,1H),3.85(s,3H),1.78(s,3H).
中间体2-3的合成
采用中间体2-2为原料,方法同实施例1的中间体1-3的合成,得到中间体2-3(150mg,收率63%)。
1H NMR(400MHz,DMSO-d6)δ8.20(d,J=2.4Hz,1H),8.01(dd,J=8.8Hz,J=2.8Hz,1H),7.67(d,J=8.8Hz,1H),7.54(d,J=8.0Hz,1H),7.51(d,J=2.0Hz,1H),7.40(dd,J=8.0Hz,J=2.0Hz,1H),4.24(s,2H),3.85(s,3H).
中间体2-4的合成
采用中间体2-3为原料,方法同实施例1的中间体1-4的合成,得到中 间体2-4(460mg,收率91%)。
1H NMR(400MHz,DMSO-d6)δ10.85(s,1H),8.19(d,J=2.0Hz,1H),8.01(dd,J=8.8Hz,J=2.8Hz,1H),7.67(d,J=8.4Hz,1H),7.47(d,J=8.0Hz,1H),7.24-7.21(m,2H),4.31(s,2H).
中间体2-5的合成
采用中间体2-4为原料,方法同实施例1的中间体1-5的合成,得到中间体2-5(390mg,收率100%)。
1H NMR(400MHz,DMSO-d6)δ8.13(d,J=3.0Hz,1H),8.01(dd,J=8.8Hz,J=3.0Hz,1H),7.81(d,J=8.0Hz,1H),7.78(d,J=8.8Hz,1H),7.39(d,J=8.4Hz,J=1.6Hz,1H),7.32(d,J=1.6Hz,1H),5.32(s,2H).
化合物2(盐酸盐)的合成
采用中间体2-5为原料,方法同实施例1的步骤a和步骤b,得到化合物2(盐酸盐)(47mg,收率12%)。
1H NMR(400MHz,DMSO-d6)δ14.75(brs,4H),8.49(d,J=2.0Hz,1H),8.31(d,J=8.8Hz,1H),8.24(d,J=10.8Hz,2H),8.01(d,J=8.4Hz,1H),7.97(d,J=8.8Hz,1H),7.69(d,J=8.0Hz,1H),7.60(s,1H),7.31(q,J=4.0Hz,2H),,5.38(s,2H),5.1-5.14(m,2H),4.15-4.10(m,2H),3.92-3.86(m,4H),3.55(s,6H),2.42-2.35(m,2H),2.25-2.12(m,4H),2.06-1.95(m,4H),0.85-0.78(m,12H);ESI-LCMS m/z 835.5(M+H).
实施例3  化合物3
Figure PCTCN2014087879-appb-000013
中间体3-1的合成
将5-溴-2-羟基苯乙酮(1.075g,5mmol)和对溴苯甲醛(0.925g,5mmol)溶于无水乙醇(30mL),加入NaOH(0.6g,15mmol),室温搅拌32小时,TLC检测反应完全,反应液用HCl水溶液(10%)调节pH=6~7,析出大量黄色固体,抽滤,所得固体溶于乙酸乙酯(250mL),无水硫酸钠干燥,过滤,浓缩得黄色固体3-1(1.53g,收率:80%)
1H NMR(400MHz,CDCl3)δ12.68(s,1H),7.99(d,J=2.4Hz,1H),7.88(d,J=15.2Hz,1H),7.61-7.54(m,6H),6.95(d,J=8.8Hz,1H)
中间体3-2的合成
将3-1(1.23g,3.22mmol)加入MeOH(50mL)中,冰水浴下加入10%NaOH溶液(50mL),再滴入30%H2O2(35mL),撤去冰水浴,室温下反应46小时, TLC检测反应完全,反应液加水(400mL)稀释,加10%HCl调节pH=4-5,用二氯甲烷(150mL×2)萃取,二氯甲烷层合并,无水硫酸钠干燥,浓缩得粗产物,经硅胶柱层析纯化(PE∶EA=20∶1~5∶1)得到浅黄色固体3-2(200mg,收率:15.7%)
1H NMR(400MHz,CDCl3)δ8.38(d,J=2.4Hz,1H),8.13(dd,J=6.8Hz,J=1.6Hz,2H),7.80(dd,J=8.8Hz,J=2.4Hz,1H),7.67(dd,J=6.8Hz,J=1.6Hz,2H),7.50(d,J=8.8Hz,1H),7.03(brs,1H)
ES-LCMS m/z 395.1(M+H).
中间体3-3的合成
将3-2(200mg,0.5mmol)溶于DMF(二甲基甲酰胺)(7mL)中,加入K2CO3(345mg,2.5mmol)、碘甲烷(284mg,2.0mmol)。室温反应16小时,TLC检测反应完全,将反应液倒入稀盐酸(0.26%,70mL)中,用乙酸乙酯(50mL×3)萃取,有机相合并,饱和食盐水(50mL×5)洗,无水硫酸钠干燥,浓缩,硅胶柱层析纯化(PE∶EA=200∶1~40∶1)得浅黄色固体3-3(145mg,收率:70%)
1H NMR(400MHz,CDCl3)δ8.39(d,J=2.4Hz,1H),7.98(dt,J=8.8Hz,J=2.0Hz,2H),7.77(dd,J=8.8Hz,J=2.4Hz,1H),7.67(dt,J=8.8Hz,J=2.0Hz,2H),7.44(d,J=8.8Hz,1H),3.90(s,3H)
ES-LCMS m/z 409.0(M+H).
中间体3-4的合成
将3-3(1.48g,3.61mmol)溶于苯(200mL)中,氮气保护下,高压汞灯(1000W)紫外照射4小时。停止光照,TLC检测反应完全,反应液浓缩,柱层析(二氯甲烷/乙酸乙酯=10/1~5/1)纯化得黄色固体产物3-4(460mg,收率31.2%),直接用于下一步反应。
1H NMR(400MHz,CDCl3)δ8.45(d,J=2.4Hz,1H),7.77(dd,J=8.8Hz,J=2.0Hz,1H),7.71(d,J=8.4Hz,1H),7.62(dd,J=8.0Hz,J=1.6Hz,1H), 7.46(d,J=8.8Hz,1H),7.40(brs,1H),5.27(s,2H)
化合物3(盐酸盐)的合成
采用中间体3-4为原料,方法同实施例1的步骤a和步骤b,得到化合物3(盐酸盐)(140mg,收率:27.6%)。
1H NMR(400MHz,DMSO-d6)δ15.39-14.83(m,4H),8.55(d,J=1.6Hz,1H),8.34-8.29(m,2H),8.20(s,1H),8.11(d,J=7.6Hz,1H),8.02(d,J=8.0Hz,1H),7.98-7.94(m,2H),7.33(t,J=7.6Hz,2H),5.35(s,2H),5.18(q,J=7.2Hz,2H),4.13(t,J=7.6Hz,2H),3.99-3.83(m,4H),3.55(s,6H),2.41-2.38(m,2H),2.23-2.18(m,4H),2.08-2.04(m,4H),0.85-0.77(m,12H);ESI-LCMSm/z 835.5(M+H).
实施例4  化合物4
Figure PCTCN2014087879-appb-000014
中间体4-1的合成
2,5-二甲氧基-α-氯代苯乙酮(8g,37.3mmol)、4-甲氧基水杨酸甲酯(7.47g,41.03mmol)、碳酸铯Cs2CO3(42.5g,130.55mmol)、碘化钠(4.47g,29.84mmol)与DMF(180mL)混合,氮气保护下升温至100℃反应1.5小时,停止反应。反应液冷至室温,加入稀盐酸(0.3N,1.2L)中,用乙酸乙酯(600mL×2)萃取,合并乙酸乙酯层,用饱和食盐水(300mL×5)洗涤,无水硫酸钠干燥,浓缩,粗产物经硅胶柱层析(PE/EA 10∶1~1∶2)纯化得淡黄色产物4-1(5.2g,收率:42.5%)
1H NMR(400MHz,DMSO-d6)δ7.74(d,J=8.4Hz,1H),7.13(d,J=1.6Hz,1H),7.06(d,J=8.8Hz,1H),7.01(dd,J=8.8Hz,J=2.8Hz,1H),6.91(dd,J=8.8Hz,J=1.6Hz,1H),6.87(d,J=3.2Hz,1H),3.82(s,3H),3.73(s,3H),3.68(s,3H)
ESI-LCMS m/z 329.1(M+H).
中间体4-2的合成
采用中间体4-1为原料,方法同实施例1的中间体1-4的合成,得到中间体4-2(2g,收率:47.8%)。
中间体4-3的合成
将4-2(2g,6.99mmol)溶于EtOH(35mL),加入对甲苯磺酸一水合物(266.3mg,1.4mmol),氮气保护下回流过夜,TLC检测反应完全。冷至室温,有不溶物析出,抽滤,所得固体用乙醇(10mL)洗涤,二氯甲烷(10mL)洗涤,得产物4-3(400mg,收率:21.3%)
1H NMR(400MHz,DMSO-d6)δ10.62(s,1H),10.08(s,1H),7.88(d,J=8.8Hz,1H),7.71(d,J=8.8Hz,1H),7.53(d,J=2.8Hz,1H),7.27(dd,J=8.8Hz,J=2.8Hz,1H),7.12(d,J=2.0Hz,1H),7.01(dd,J=8.8Hz,J=2.0Hz,1H)
ESI-LCMS m/z 269.1(M+H).
中间体4-4的合成
采用中间体4-3为原料,方法同实施例1中间体1-6的合成,得到中间体4-4(330mg,收率:33.3%)。
化合物4(盐酸盐)的合成
采用中间体4-4为原料,方法同实施例1的步骤a和步骤b,得到化合物4(盐酸盐)(63mg,收率:19%)。
1H NMR(400MHz,DMSO-d6)δ15.05-14.61(m,4H),8.72(d,J=2.0Hz,1H),8.40(s,1H),8.35-8.26(m,4H),8.09(d,J=9.2Hz,1H),8.04(d,J=8.8Hz,1H),7.33(q,J=4.0Hz,2H),5.18(q,J=7.2Hz,2H),4.13(t,J=6.8Hz,2H),3.93-3.88(m,4H),3.55(s,6H),2.43-2.38(m,2H),2.21-2.15(m,4H),2.08-2.02(m,4H),0.87-0.79(m,12H).
ESI-LCMS m/z 821.4(M+H).
Figure PCTCN2014087879-appb-000015
式(ii),根据WO2012041014制备;
Figure PCTCN2014087879-appb-000016
式(iii),根据WO2011079327制备;
Figure PCTCN2014087879-appb-000017
式(iv),根据WO2010132601制备;
Figure PCTCN2014087879-appb-000018
式(v),根据WO2012040924制备
将实施例1~4的中间体化合物与上述式(ii)~式(v)中之一或之二的化合物根据步骤a和步骤b的方法合成得到表1所示的化合物。
表1  化合物5~13
Figure PCTCN2014087879-appb-000019
Figure PCTCN2014087879-appb-000020
效果实施例1
HCV复制子实验
按照文献(Science.1999Jul 2;285(5424):110-3以及J.Virol.2003,Mar;77(5):3007-19)中所述方法准备、进行和验证。用HCV基因型GT1a、GT1b和GT2a复制子细胞来测试化合物1~4,以及HCV 1b野生型细胞和Y93H、L31F、P32L、I302V抗性细胞测试化合物1~4。GT1a和GT1b是分别转染有HCV 1a、1b、2a基因型的丙肝的复制子系统(HCV Replicon System),该系统含有G418抗性基因NEO和荧光素酶报告基因,通过实时定量聚合酶链反应(qPCR)检测NEO的含量和化学发光法检测荧光素酶基因的表达高低,可以用来确定丙肝的复制水平的高低,评估化合物1~4对HCV病毒复制的作用效果。
实验方法:
HCV复制子转染细胞:HCV复制子(野生型1b)转染的Huh7.5.1细胞。将转染细胞接种于96孔板中,8000细胞每孔,在37℃、5%CO2培养24小时。
样品处理:在HCV复制子转染的Huh7.5.1细胞中加入不同浓度的化合 物1~4样品,每个浓度设二复孔,并设无样品对照孔。受试样品从受试最高浓度开始,用POD810全自动微孔板预处理系统加不同浓度化合物至细胞中;3倍稀释10个浓度;继续培养72小时。
化合物的活性及细胞毒性测定:
加入Cell Titer-fluor(Promega)测定荧光信号,获得的数据(RFU)用GraphPad Prism软件计算化合物的EC50
针对HCV 1b的EC50范围分别如下:a表示:0.0001nM≤EC50≤0.100nM;b表示:0.100nM<EC50≤10.00nM;c表示:10.00nM<EC50≤100.0nM;d表示:EC50>100nM。
表2  化合物1~4针对HCV 1b基因型复制子的EC50
Figure PCTCN2014087879-appb-000021
工业应用性
本发明的环状黄酮或异黄酮类化合物具有优异的抗丙肝病毒的效果,如化合物1~4针对HCV 1b基因型复制子的EC50值小于0.100nM,具有非常好的工业应用前景。

Claims (10)

  1. 一种式(I)所示的环状黄酮或异黄酮类化合物,
    Figure PCTCN2014087879-appb-100001
    或其氮氧化物、水合物、溶剂化物、代谢产物或药学上可接受的盐或前药,其中,
    当A1为-C(O)-时,A2为-O-;当A1为-O-时,A2为-C(O)-;
    Q为-O-、-S-、-C(R4R5)-、-C(R4R5)O-、-OC(R4R5)-、-C(R4R5)N(R6)-、-N(R6)C(R4R5)-、-N(R6)-、-C(R4R5)C(R4R5)-、-C(R4R5)-S-或-S-C(R4R5)-;
    W为-(NHC(O))1~2-、-(C1-C3)亚烷基-(NHC(O))1~2-、
    Figure PCTCN2014087879-appb-100002
    或者R1可与W连接形成咪唑环;
    R1、R2、R3、R4、R5独立地为H、D、OH、卤素、CN、氨基,或者选自未被取代的或被1~5个R0取代的下列取代基组:(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的C1-C8烷基;
    R6为H、D,或者选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基甲酰基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8 烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C3-C8环烷基、C2-C8杂环烷基或C6-C10芳基;
    R1′独立地为H、D、OH、卤素、CN、氨基,或者选自未被取代的或被1~5个R0取代的下列取代基组:(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的C1-C8烷基;
    或者相邻两个碳原子上的R1′与其连接的2个碳原子一起形成C3-C7的碳环,或者同一碳原子上的两个R1′与其连接的1个碳原子形成可被0~2个选自N、O和S杂原子插入的3~7元环,或者中间间隔有1个碳原子的2个碳原子上的R1′与其连接的2个碳原子一起形成C3-C7的碳环;
    R2′为选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基、C3-C7环烷基、C2-C7杂环烷基或C6-C10的芳基;
    R3′为H、D,或选自未被取代的或被1~5个R0取代的C1-C8烷基;
    R4′为选自未被取代的或被1~5个R0取代的下列取代基组:C1-C8烷基、C1-C8烷基甲酰基或C1-C8烷氧基甲酰基;
    或者R3′、R4′与其连接的氮原子形成含有1个N原子且含有0~2个选自N、O和S杂原子的3~7元单环、4~12元双环或5~12元螺环;
    其中,R0为H、D、OH、卤素、CN、氨基、(C1-C8烷基)1-2氨基、C1-C8烷氧基甲酰基、(C1-C8烷基)1-2氨基甲酰基、C1-C8烷基巯基、C1-C8烷基磺酰基、C1-C8烷基亚磺酰基、C1-C8烷基、C1-C8烷氧基、C3-C10环烷基、C2-C8杂环烷基、C6-C10芳基、C6-C10芳基氧基、糖基氧基、或被1~5个氧取代的C1-C8烷基。
  2. 如权利要求1所述的化合物,其特征在于,R1、R2、R3、R4、R5、R1′独立地为H、D、OH、卤素、CN、氨基,或者独立地选自未被取代的或被1~3个R0取代的下列取代基组:(C1-C6烷基)1-2氨基、C1-C6烷氧基甲酰基、 (C1-C6烷基)1-2氨基甲酰基、C1-C6烷基巯基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C1-C6烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C6烷氧基、C3-C7环烷基、C2-C6杂环烷基、C6-C8芳基、C6-C8芳基氧基、糖基氧基、或被1~3个氧取代的C1-C6烷基;
    R6为H、D,或者选自未被取代的或被1~3个R0取代的下列取代基组:C1-C6烷基甲酰基、C1-C6烷氧基甲酰基、(C1-C6烷基)1-2氨基甲酰基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C3-C7环烷基、C2-C6杂环烷基或C6-C8芳基;
    R2′为未被取代的或被1~3个R0取代的C1-C6烷基、C3-C7环烷基、C2-C6杂环烷基或C6-C8的芳基;
    R3′为H、D,或未被取代的或被1~3个R0取代的C1-C6烷基;
    R4′为未被取代的或被1~3个R0取代的C1-C6烷基、C1-C6烷基甲酰基或C1-C6烷氧基甲酰基;
    R0为H、D、OH、卤素、CN、氨基、(C1-C6烷基)1-2氨基、C1-C6烷氧基甲酰基、(C1-C6烷基)1-2氨基甲酰基、C1-C6烷基巯基、C1-C6烷基磺酰基、C1-C6烷基亚磺酰基、C1-C6烷基、C1-C6烷氧基、C3-C7环烷基、C2-C6杂环烷基、C6-C8芳基、C6-C8芳基氧基、糖基氧基、或被1~3个氧取代的C1-C6烷基。
  3. 如权利要求1所述的化合物,其特征在于,R1、R2、R3、R4、R5、R1′独立地为H、D、OH、卤素、CN、氨基,或者独立地选自未被取代的或被1个R0取代的下列取代基组:(C1-C4烷基)1-2氨基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基巯基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C1-C4烷氧基、被1~2个羟基或1~2个(C1-C2烷基)1-2氨基取代的C1-C4烷氧基、C3-C7环烷基、C2-C5杂环烷基、苯、苯氧基、糖基氧基或被1个氧取代的C1-C4烷基;
    R6为H、D,或者选自未被取代的或被1个R0取代的下列取代基组:C1-C4烷基甲酰基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C3-C7环烷基、C2-C5杂环烷基或苯 基;
    R2′为未被取代的或被1个R0取代的C1-C4烷基、C3-C7环烷基、C2-C5杂环烷基或苯基;
    R3′为H、D,或未被取代的或被1个R0取代的C1-C4烷基;
    R4′为未被取代的或被1个R0取代的C1-C4烷基、C1-C4烷基甲酰基或C1-C4烷氧基甲酰基;
    R0为H、D、OH、卤素、CN、氨基、(C1-C4烷基)1-2氨基、C1-C4烷氧基甲酰基、(C1-C4烷基)1-2氨基甲酰基、C1-C4烷基巯基、C1-C4烷基磺酰基、C1-C4烷基亚磺酰基、C1-C4烷基、C1-C4烷氧基、C3-C7环烷基、C2-C5杂环烷基、苯基、苯氧基、糖基氧基、或被1个氧取代的C1-C4烷基。
  4. 如权利要求1所述的化合物,其特征在于,所述的糖基氧基为葡萄糖基氧基、核糖基氧基、阿拉伯糖基氧基、木糖基氧基或果糖基氧基。
  5. 如权利要求1所述的化合物,其特征在于,式(I)中的
    Figure PCTCN2014087879-appb-100003
    为下列取代基之一:
    Figure PCTCN2014087879-appb-100004
    其中,R11′为C1-C8烷基或被O、S、N杂原子取代的C1-C8杂烷基,优选为C1-C6烷基或C1-C6杂烷基,更优选C1-C4烷基或C1-C4杂烷基。
  6. 如权利要求1所述的化合物,其特征在于,该化合物为:
    Figure PCTCN2014087879-appb-100005
  7. 权利要求1所述的化合物在制备治疗HCV感染的疾病的药物中的用途。
  8. 权利要求1所述的化合物在HCV感染的疾病方面的应用。
  9. 给予HCV感染的病人施加有效量的权利要求1所述的化合物。
  10. 权利要求1所述的化合物与HCV NS3/4a蛋白酶抑制剂、HCV NS5b聚合酶抑制剂或其它抗丙肝药物联合用于治疗HCV感染的病人。
PCT/CN2014/087879 2013-11-05 2014-09-30 环状黄酮或异黄酮类化合物及其用途 WO2015067108A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310542304.6A CN104610272B (zh) 2013-11-05 2013-11-05 环状黄酮或异黄酮类化合物及其用途
CN201310542304.6 2013-11-05

Publications (1)

Publication Number Publication Date
WO2015067108A1 true WO2015067108A1 (zh) 2015-05-14

Family

ID=53040880

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/087879 WO2015067108A1 (zh) 2013-11-05 2014-09-30 环状黄酮或异黄酮类化合物及其用途

Country Status (2)

Country Link
CN (1) CN104610272B (zh)
WO (1) WO2015067108A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10118920B2 (en) 2015-04-20 2018-11-06 Cellcentric Ltd Isoxazolyl substituted benzimidazoles
US10428065B2 (en) 2015-04-20 2019-10-01 Cellcentric Ltd Isoxazolyl substituted imidazopyridines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3571183B1 (en) 2017-01-20 2024-03-06 The Regents of the University of California 3-(phenyl)-2-(aminomethyl)-1-phenyl-2-propen-1-one derivatives as inhibitors of the n-terminal domain of the androgen receptor for treating prostate cancer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301287A (zh) * 2008-06-12 2008-11-12 上海双科医药科技有限公司 射干异黄酮类化合物在制备抗肝炎药物中的应用
CN101744830A (zh) * 2008-06-17 2010-06-23 上海医药工业研究院 黄酮类化合物或含其的植物提取物的应用
CN101822372A (zh) * 2009-03-05 2010-09-08 财团法人工业技术研究院 用以治疗b型肝炎的药学组合物与抑制b型肝炎病毒的保健食品
CN101955478A (zh) * 2010-05-25 2011-01-26 大理学院 含溴二氢黄酮醇木脂素的制备及治疗病毒性乙肝医药用途
CN102247395A (zh) * 2011-05-20 2011-11-23 中国人民解放军第二军医大学 异黄酮类化合物在制备抗肝炎药物中的应用
CN102379888A (zh) * 2011-06-29 2012-03-21 江西中医学院 黄酮苷类化合物在制备治疗和预防肝炎药物中的应用
WO2012130893A1 (fr) * 2011-03-28 2012-10-04 Centre National De La Recherche Scientifique (C.N.R.S) Utilisation de l'epigallocatechine gallate comme agent antiviral contre les infections par le virus de l'hépatite c

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SV2003000617A (es) * 2000-08-31 2003-01-13 Lilly Co Eli Inhibidores de la proteasa peptidomimetica ref. x-14912m
WO2005058821A1 (en) * 2003-12-11 2005-06-30 Schering Corporation Inhibitors of hepatitis c virus ns3/ns4a serine protease
CN106588890B (zh) * 2009-05-13 2020-11-27 吉利德制药有限责任公司 抗病毒化合物
WO2012040924A1 (en) * 2010-09-29 2012-04-05 Merck Sharp & Dohme Corp. Fused tetracyclic heterocycle compounds and methods of use thereof for treatment of viral diseases

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101301287A (zh) * 2008-06-12 2008-11-12 上海双科医药科技有限公司 射干异黄酮类化合物在制备抗肝炎药物中的应用
CN101744830A (zh) * 2008-06-17 2010-06-23 上海医药工业研究院 黄酮类化合物或含其的植物提取物的应用
CN101822372A (zh) * 2009-03-05 2010-09-08 财团法人工业技术研究院 用以治疗b型肝炎的药学组合物与抑制b型肝炎病毒的保健食品
CN101955478A (zh) * 2010-05-25 2011-01-26 大理学院 含溴二氢黄酮醇木脂素的制备及治疗病毒性乙肝医药用途
WO2012130893A1 (fr) * 2011-03-28 2012-10-04 Centre National De La Recherche Scientifique (C.N.R.S) Utilisation de l'epigallocatechine gallate comme agent antiviral contre les infections par le virus de l'hépatite c
CN102247395A (zh) * 2011-05-20 2011-11-23 中国人民解放军第二军医大学 异黄酮类化合物在制备抗肝炎药物中的应用
CN102379888A (zh) * 2011-06-29 2012-03-21 江西中医学院 黄酮苷类化合物在制备治疗和预防肝炎药物中的应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10118920B2 (en) 2015-04-20 2018-11-06 Cellcentric Ltd Isoxazolyl substituted benzimidazoles
US10428065B2 (en) 2015-04-20 2019-10-01 Cellcentric Ltd Isoxazolyl substituted imidazopyridines

Also Published As

Publication number Publication date
CN104610272B (zh) 2017-03-29
CN104610272A (zh) 2015-05-13

Similar Documents

Publication Publication Date Title
ES2907981T3 (es) Derivado de benzazepina, método de preparación, composición farmacéutica y uso del mismo
JP6506880B2 (ja) B型肝炎ウィルス感染症の治療および予防のための新規な四環式4−オキソ−ピリジン−3−カルボン酸誘導体
JP2018524374A (ja) B型肝炎ウイルス感染症の治療および予防のための新規な三環式4−ピリドン−3−カルボン酸誘導体
MXPA04000731A (es) Inhibidores de polimerasas virales.
WO2006124861A2 (en) Benzofuran compounds
Tseng et al. Synthesis, antiproliferative and anti-dengue virus evaluations of 2-aroyl-3-arylquinoline derivatives
EA032841B1 (ru) Соединения для получения бензофуранового соединения для лечения инфекций, вызываемых вирусом гепатита с
CN103145617A (zh) 菲啶类衍生物及其药物组合物和其制备方法与应用
JP2007530516A (ja) 抗ウイルス剤として有用な4−カルボキシピラゾール誘導体
JP6779318B2 (ja) 抗転移性2H‐セレノフェノ[3,2‐h]クロメン、それらの合成、および同薬剤の使用方法
CN105873922A (zh) 9,9,10,10-四氟-9,10二氢菲类丙型肝炎病毒抑制剂及其应用
AU2006343604A1 (en) 3,4-disubstituted coumarin and quinolone compounds
CN101775003B (zh) 苯并噻吩类衍生物及其制备方法和应用
WO2015067108A1 (zh) 环状黄酮或异黄酮类化合物及其用途
JP2018012699A (ja) Hcv阻害剤としてのキナゾリノン誘導体
CN103097370A (zh) 用于治疗丙型肝炎的苯并呋喃衍生物
TWI711448B (zh) 抑制鈣/鈣調蛋白依賴性蛋白激酶ii之化合物及其應用
Li et al. Synthesis and biological evaluation of sophocarpinic acid derivatives as anti-HCV agents
CN105051036B (zh) 黄酮类或异黄酮类化合物及其用途
JP6958797B2 (ja) C型肝炎ウイルス阻害剤およびその使用
CN107074876B (zh) 一类抑制丙肝病毒的大环状杂环化合物及其制备和用途
WO2015180593A1 (zh) 具有抗病毒活性的苯并杂环己二烯衍生物
KR20190136425A (ko) 신규 바이페닐 유도체 화합물 및 이의 용도
KR101567558B1 (ko) C형 간염 바이러스의 게놈 복제의 선택적 저해 활성을 갖는 인돌계 화합물, 이의 제조방법 및 이를 유효성분으로 함유하는 c형 간염의 예방 또는 치료용 약학적 조성물
CN109415345A (zh) 基于哒嗪酮的广谱抗流感抑制剂

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14859363

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 22/08/2016)

122 Ep: pct application non-entry in european phase

Ref document number: 14859363

Country of ref document: EP

Kind code of ref document: A1