CN104974091B - Diaryl pyrazole azole compound of 3 methyl 1,5 and its production and use - Google Patents

Diaryl pyrazole azole compound of 3 methyl 1,5 and its production and use Download PDF

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CN104974091B
CN104974091B CN201410143046.9A CN201410143046A CN104974091B CN 104974091 B CN104974091 B CN 104974091B CN 201410143046 A CN201410143046 A CN 201410143046A CN 104974091 B CN104974091 B CN 104974091B
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compound
methyl isophthalic
isophthalic acids
trimethoxyphenyls
pyrazoles
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CN104974091A (en
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张为革
徐启乐
吴英良
文志勇
关奇
齐欢
左代英
张明亮
翟延鹏
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Shenyang Pharmaceutical University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/12Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three 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
    • C07D231/16Halogen atoms or nitro radicals

Abstract

The invention belongs to pharmaceutical technology field, is related to a kind of diaryl pyrazole azole compound of 3 methyl 1,5 and application thereof, exactly, is related to application of such compound as tumor cell proliferation inhibitor in terms of anti-tumor drug is prepared.The structure of the described diaryl pyrazole azole compound of 3 methyl 1,5 is as follows, wherein, R1‑R9As used in the description.The compound of the present invention and its composition containing the compound have obvious antitumor activity.

Description

3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds and its production and use
Technical field
The invention belongs to pharmaceutical technology field, is related to a kind of 3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds and application thereof, Exactly, it is related to application of such compound as tumor cell proliferation inhibitor in terms of anti-tumor drug is prepared.
Background technology
Malignant tumour is to threaten human health and the serious disease of life, is one of main lethal cause of disease in China.Research, It is the key subjects currently faced to develop anti-cancer agent.Combretastatin A-4(CA-4)It is to be separated from the willow of South Africa Obtained cis-stilbene class natural products, its chemical name are (Z) -2- methoxyl groups -5- (3,4,5- trimethoxy styrene Base) phenol.CA-4 is tubulin polymerization inhibitor, and very strong suppression proliferative activity o f tumor, its prodrug CA-4 phosphorus is presented Acid esters salt(CA-4P)Enter three phase clinical investigation phases in the U.S..Designed using CA-4 as lead compound, synthesize it is new anti-swollen The research of tumor activity compound largely reports, but most CA-4 analogs exist or active not high enough or toxicity it is larger or Synthesize the shortcomings of more complicated(Relevant report referring to:Pettit G.R.,et al.Experientia,1989,45,209;Nam N.H.Current Medicinal Chemistry,2003,10,1697;Tron G.C.,et al.Journal of Medicinal Chemistry,2006,49,3033).
The 1,5- diaryl pyrazole azole compounds of 3,4 unsubstituteds(Representative compound A structures are as follows)As CA- 4 analogs carry out the existing document report of research of antitumor activity(Referring to:Wang L.,et al.Journal of Medicinal Chemistry,2002,45,1697), such compound of part is to people's Colon and rectum gland cancer cell HCT-15, people's lung Cancer cell NCI-H460 shows stronger proliferation inhibition activity.
5- (3- amino-4-methoxyls phenyl) -1- (3,4,5- trimethoxyphenyls) -1H- pyrazoles(A)
Of particular note is that:3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds are as active compound for anti tumor Research has not yet to see report.
The content of the invention
It is an object of the invention to design, synthesize the structure of the Combretastatin A-4 with good antitumor activity Analog, i.e. 3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds;Prepared compound is in cellular level anti tumor activity in vitro Show good result in antitumor activity test in test and animal body.
The present invention relates to the compounds of formula I being defined as follows and its salt and hydrate:
Wherein,
R1、R2、R3For C1-C6Alkyl oxy, preferably C1-C4Alkyl oxy, more preferably C1-C3Alkyl oxy;
R4~R8It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyloxy, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro, preferably C1-C4Alkyl, hydroxyl, C1-C4Alkyl oxy, Benzyloxy, allyloxy, amino, C1-C4Alkyl amino, two C1-C4Alkyl amino, fluorine, chlorine, bromine, iodine, nitro, more preferably hydrogen, C1-C3Alkyl, hydroxyl, C1-C3Alkyl oxy, benzyloxy, allyloxy, amino, C1-C3Alkyl amino, two C1-C3Alkyl amino, Fluorine, chlorine, bromine, iodine, nitro;
R9For fluorine, chlorine, bromine, iodine, formoxyl, methylol;
Or R6、R7、R8For C1-C6Alkyl oxy, preferably C1-C4Alkyl oxy, more preferably C1-C3 alkyl oxies;
R1~R5It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyloxy, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro, preferably hydrogen, C1-C4Alkyl, hydroxyl, C1-C4Alkyl Epoxide, benzyloxy, allyloxy, amino, C1-C4Alkyl amino, two C1-C4Alkyl amino, fluorine, chlorine, bromine, iodine, nitro, it is more excellent Elect hydrogen, C as1-C3Alkyl, hydroxyl, C1-C3Alkyl oxy, benzyloxy, allyloxy, amino, C1-C3Alkyl amino, two C1-C3Alkane Base amino, fluorine, chlorine, bromine, iodine, nitro;
R9For fluorine, chlorine, bromine, iodine, formoxyl, methylol.
Present invention is preferably related to the compounds of formula I being defined as follows:
Wherein, R1、R2、R3For methoxyl group, R4~R8It is each independently hydrogen, C1-C3Alkyl, hydroxyl, C1-C3Alkyl oxy, Benzyloxy, allyloxy, amino, fluorine, chlorine, bromine, iodine, nitro,
Or R6、R7、R8For methoxyl group, R1~R5It is each independently hydrogen, C1-C3Alkyl, hydroxyl, C1-C3Alkyl oxy, benzyl Epoxide, allyloxy, amino, fluorine, chlorine, bromine, iodine, nitro;
Further, R9Preferably chlorine, bromine, formoxyl, methylol.
Salt of the present invention includes the salt that the derivative is formed with acid.Described acid can be hydrochloric acid, sulfuric acid, hydrogen bromine Acid, phosphoric acid inorganic acid or selected from acetic acid, citric acid, oxalic acid, tartaric acid, benzoic acid, malic acid organic acid.The hydrate Hydration number be 0~16 in any real number.
Currently preferred part of compounds structure is as follows:
Compound 1
5- phenyl -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 2
5- (4- fluorophenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 3
5- (4- aminomethyl phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 4
5- (4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 5
5- (the fluoro- 4- methoxyphenyls of 3-) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 6
5- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 7
5- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 8
5- (3- methoxyl group -4- allyloxys phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 9
5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 10
5- (3- methoxyl group -4- hydroxy phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 11
5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 12
The bromo- 5- of 4- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 13
The bromo- 5- of 4- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 14
4- formoxyls -5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) - 1H- pyrazoles
Compound 15
4- formoxyls -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles
Compound 16
4- methylols -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles
Compound 17
1- phenyl -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 18
1- (4- aminomethyl phenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 19
1- (4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 20
1- (3- nitro -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 21
1- (3- amino-4-methoxyls phenyl) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 22
1- (3- allyloxy -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 23
1- (3- hydroxyl -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 24
1- (2- methyl-5-nitrophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 25
1- (2- methyl -5- aminophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
The 3- methyl isophthalic acids of 4 unsubstituteds of the present invention, 5- diaryl pyrazole azole compounds are closed according to following reaction scheme Into obtaining:
By the fragrant hydrazine hydrochloride of 1 equivalent(Preparation method referring to:Xu Y.C.,et al.Journal of Medicinal Chemistry,1999,42,526), the anhydrous sodium acetate of 0.1~10 equivalent and the aryl butyl- 1,3- diketone of 0.1~10 equivalent (Preparation method referring to:Sonar A.S.,et al.J.Chem.Pharm.Res.,2011,3,752)It is added in ethanol, 10~ 80 degrees Celsius are reacted 1~24 hour;After having reacted, organic solvent is removed under reduced pressure, water is added into residue, extracted with ethyl acetate Aqueous, anhydrous sodium sulfate drying organic layer;Remove organic solvent under reduced pressure, 3- methyl isophthalic acids obtained through column chromatographic isolation and purification, 5- diaryl pyrazole azole compounds, yield are 10~95%.
Wherein, R1~R8In the 3- methyl isophthalic acids containing amino, 5- diaryl pyrazoles azole compounds can be by corresponding R1~R8In contain The compound for having nitro is prepared through reduction reaction, and reducing agent is anhydrous ferric trichloride/hydrazine hydrate/activated carbon system;
R1~R8In the 3- methyl isophthalic acids containing hydroxyl, 5- diaryl pyrazole azoles compound can be by corresponding R1~R8In contain For the compound of pi-allyl through going diastereoselective allylation to prepare, it is titanium tetrachloride to remove diastereoselective allylation reagent.
The 3- methyl isophthalic acids of 4 substds of the present invention, 5- diaryl pyrazole azole compounds are closed according to following reaction scheme Into obtaining:
Wherein, R is worked as9For formoxyl when:
Under ice bath, the POCl3 of 5~20 equivalents is added in the DMF of nitrogen protection and stirred 0.5~3 hour, then by 1 The 3- methyl isophthalic acids of equivalent, 5- diaryl pyrazole azole compounds are dissolved in DMF and are added in above-mentioned solution, stirring reaction 0.5~3 hour Afterwards, move on in 10~100 degrees Celsius of water-bath and continue reaction 1~24 hour;Ice cube is added after having reacted, is extracted with ethyl acetate Aqueous, anhydrous sodium sulfate drying organic layer;Remove solvent under reduced pressure, use column chromatography purifying, obtain 4- formoxyl -3- first Base -1,5- diaryl pyrazole azole compound, yield are 20~95%.
Wherein, R is worked as9For methylol when:
It can be prepared by 4- formoxyl -3- methyl isophthalic acids, 5- diaryl pyrazole azoles compound by carbonyl reduction reaction, carbonyl Reduction reaction reagent is sodium borohydride.
Wherein, R is worked as9For fluorine, chlorine, bromine or iodine when:
The 3- methyl isophthalic acids of 1 equivalent, 5- diaryl pyrazole azole compounds are dissolved in carbon tetrachloride at room temperature, add 1~10 N- fluorosuccinimides, N-chlorosuccinimide, N-bromosuccinimide or the N-iodosuccinimide of equivalent, 0 ~60 degrees Celsius of stirring reactions 1~24 hour;Organic solvent is evaporated after having reacted, obtaining 4 through column chromatographic isolation and purification is connected with Fluorine, chlorine, the 3- methyl isophthalic acids of bromine or iodine, 5- diaryl pyrazole azole compounds, yield 60~95%.
Wherein, R1~R8In 4 substds containing hydroxyl 3- methyl isophthalic acids, 5- diaryl pyrazole azoles compound can be by Corresponding R1~R8In the compound containing pi-allyl through going diastereoselective allylation to prepare, it is titanium tetrachloride to remove diastereoselective allylation reagent.
Wherein, R1~R8In 4 substds containing amino 3- methyl isophthalic acids, 5- diaryl pyrazole azoles compound can be by Corresponding R1~R8In the compound containing nitro prepared through reduction reaction, reducing agent is anhydrous ferric trichloride/hydrazine hydrate/activity Charcoal system;
3- methyl isophthalic acids provided by the present invention, 5- diaryl pyrazole azole compounds process for production thereof simple possibles, yield are preferable.
3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds have preferable tumor proliferation inhibitory action, anti-available for preparing Tumour medicine.
Embodiment
It will be helpful to understand the present invention by following examples, but present disclosure is not limited to example.
Agents useful for same of the present invention is commercially available, and nuclear magnetic resoance spectrum is become by AVANCE-400, Bruker ARX-300 Fouriers Nuclear magnetic resonance chemical analyser measure is changed, mass spectrum is surveyed by Brukee Esqure2000, ShimadzuGCMS-QP5050A types mass spectrograph It is fixed.
Embodiment 1:5- phenyl -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 1)Preparation
By 3,4,5- trimethoxy hydrazinobenzene hydrochloride salts(0.14g,0.62mmol), anhydrous sodium acetate(0.05g,0.62mmol) With 1- phenyl butyl- 1,3- diketone(0.10g,0.62mmol)It is added in 30mL ethanol, is heated to 78 DEG C and reacts 1 hour;Reaction Remove organic solvent after complete under reduced pressure, water is added into residue, the aqueous solution is extracted with ethyl acetate, anhydrous sodium sulfate drying is organic Layer;Remove organic solvent under reduced pressure, compound 1, yield 70.3% are obtained through column chromatographic isolation and purification;1H-NMR(400MHz, CDCl3):δ2.41(3H,s),3.66(6H,s),3.83(3H,s),6.32(1H,s),6.50(2H,s),7.25(2H,m), 7.31(3H,m);MS(ESI):[M+H]+=325.1,[2M+H]+=649.3,[2M+Na]+=671.3。
Embodiment 2:5- (4- fluorophenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 2)'s Prepare
In addition to using corresponding raw material, with the identical method prepare compound 2 of embodiment 1, yield 73.2%;1H- NMR(400MHz,CDCl3):δ2.38(3H,s),3.69(6H,s),3.83(3H,s),6.28(1H,s),6.47(2H,s), 7.01(2H,m),7.23(2H,m);MS(ESI):[M+H]+=343.1,[2M+Na]+=707.3。
Embodiment 3:5- (4- aminomethyl phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 3) Preparation
In addition to using corresponding raw material, with the identical method prepare compound 3 of embodiment 1, yield 81.3%;1H- NMR(400MHz,CDCl3):δ2.33(3H,s),2.38(3H,s),3.67(6H,s),3.83(3H,s),6.27(1H,s), 6.50(2H,s),7.11(2H,d,J=8.28Hz),7.14(2H,d,J=8.28Hz);MS(ESI):[M+H]+=339.2,[2M+ H]+=677.3,[2M+Na]+=699.3。
Embodiment 4:5- (4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 4)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 4 of embodiment 1, yield 71.3%;1H- NMR(400MHz,CDCl3):δ2.41(3H,s),3.70(6H,s),3.80(3H,s),3.84(3H,s),6.27(1H,s), 6.52(2H,s),6.85(2H,d,J=8.60),7.18(2H,d,J=8.60);MS(ESI):[M+H]+=355.1,[2M+Na]+= 731.3。
Embodiment 5:5- (the fluoro- 4- methoxyphenyls of 3-) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles (Compound 5)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 5 of embodiment 1, yield 74.6%;1H- NMR(400MHz,CDCl3):δ2.39(3H,s),3.72(6H,s),3.84(3H,s),3.89(3H,s),6.27(1H,s), 6.53(2H,s),6.91(2H,m),7.02(1H,m);MS(ESI):[M+H]+=373.2,[2M+H]+=745.3。
Embodiment 6:5- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles (Compound 6)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 6 of embodiment 1, yield 66.5%;1H- NMR(400MHz,CDCl3):δ2.41(3H,s),3.75(6H,s),3.86(3H,s),3.97(3H,s),6.37(1H,s), 6.52(2H,s),7.01(1H,d,J=8.82Hz),7.33(1H,dd,J=8.82Hz,J=2.26Hz),7.86(1H,d,J= 2.26Hz),MS(ESI):[M+H]+=400.1,[M+Na]+=422.1,[2M+H]+=799.3,[2M+Na]+=821.3。
Embodiment 7:5- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles (Change
Compound 7)Preparation
By compound 6(0.12g,0.30mmol)20mL methanol is dissolved in, adds anhydrous ferric trichloride(0.012g, 0.07mmol)And activated carbon(0.012g,1mmol), flowed back in 70 DEG C, be added dropwise to 80% hydrazine hydrate(1.2mL,30mmol)Instead Answer 1 hour;Filtering reacting liquid after having reacted, organic solvent is evaporated, adds water, be extracted with ethyl acetate, anhydrous sodium sulfate drying Organic layer;Remove solvent under reduced pressure, compound 7, yield 90.5% are obtained through column chromatographic isolation and purification;1H-NMR(400MHz, CDCl3):δ2.37(3H,s),3.70(6H,s),3.82(6H,d,J=1.61Hz),6.21(1H,s),6.53(2H,s),6.58 (1H,dd,J=8.28Hz,J=1.94Hz),6.65(1H,d,J=1.94Hz),6.70(1H,d,J=8.28Hz);MS(ESI):[M+ H]+=370.1,[2M+H]+=739.3,[2M+Na]+=761.3。
Embodiment 8:5- (3- methoxyl group -4- allyloxys phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- Pyrazoles(Compound 8)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 8 of embodiment 1, yield 69.6%;1H- NMR(400MHz,CDCl3):δ2.43(3H,s),3.71(9H,d,J=2.26Hz),3.83(3H,s),4.61(2H,m),5.30 (1H,m),5.40(1H,m),6.07(1H,m),6.31(1H,s),6.54(2H,s),6.73(1H,s),6.82(2H,s);MS (ESI):[M+H]+=411.2,[2M+H]+=821.4,[2M+Na]+=843.4。
Embodiment 9:5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- Pyrazoles(Compound 9)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 9 of embodiment 1, yield 64.7%;1H- NMR(400MHz,CDCl3):δ2.41(3H,s),3.72(6H,s),3.84(3H,s),3.90(3H,s),4.45(2H,d,J= 5.37Hz),5.25(2H,m),5.92(1H,m),6.29(1H,s),6.53(2H,s),6.74(1H,d,J=1.80Hz),6.84 (1H,d,J=8.18Hz),6.89(1H,dd,J=8.18Hz,J=1.80Hz);MS(ESI):[M+H]+=411.2,[2M+H]+= 821.4,[2M+Na]+=843.4。
Embodiment 10:5- (3- methoxyl group -4- hydroxy phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles(Compound 10)Preparation
By compound 8(0.20g,0.49mmol)Dichloromethane is dissolved in, titanium tetrachloride is added in -20 DEG C under nitrogen protection (0.55mL,4.90mmol)Reaction 1.5 hours;Water is added after having reacted, is extracted with dichloromethane, anhydrous sodium sulfate drying is organic Layer;Remove solvent under reduced pressure, compound 10, yield 93.2% are obtained through column chromatographic isolation and purification;1H-NMR(400MHz,CDCl3): δ2.40(3H,s),3.71(9H,s),3.82(3H,s),6.28(1H,s),6.53(2H,s),6.68(1H,d,J=1.61Hz), 6.81(1H,dd,J=8.28Hz,J=1.61Hz),6.87(1H,d,J=8.28Hz);MS(ESI):[M+H]+=371.2,[2M+H]+ =741.3,[2M+Na]+=763.3。
Embodiment 11:5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles(Compound 11)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 11 of embodiment 10, yield 90.5%;1H- NMR(400MHz,CDCl3):δ2.37(3H,s),3.68(6H,s),3.82(3H,s),3.86(3H,s),6.23(1H,s), 6.51(2H,s),6.68(1H,dd,J=8.32Hz,J=2.00Hz),6.76(1H,d,J=8.32Hz),6.87(1H,d,J= 2.00Hz);MS(ESI):[M+H]+=371.2,[2M+H]+=741.3,[2M+Na]+=763.3。
Embodiment 12:The bromo- 5- of 4- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) - 1H- pyrazoles(Compound 12)Preparation
By compound 6(0.080g,0.2mmol)It is dissolved in 15mL carbon tetrachloride, adds NBS(0.036g,0.2mmol)Room Temperature reaction 2 hours;Organic solvent is evaporated after having reacted, compound 12, yield 88.5% are obtained through column chromatographic isolation and purification;1H- NMR(400MHz,CDCl3):δ2.39(3H,s),3.71(6H,s),3.83(3H,s),3.98(3H,s),6.44(2H,s), 7.08(1H,d,J=8.62Hz),7.41(1H,dd,J=8.62Hz,J=2.36Hz),7.92(1H,d,J=2.36Hz);MS (ESI):[M+H]+=478.1。
Embodiment 13:The bromo- 5- of 4- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) - 1H- pyrazoles(Compound 13)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 13 of embodiment 7, yield 85.5%;1H- NMR(400MHz,CDCl3):δ2.36(3H,s),3.66(6H,s),3.81(3H,s),3.86(3H,s),6.47(2H,s), 6.66(1H,d,J=8.60Hz),6.71(1H,s),6.77(1H,d,J=8.60Hz);MS(ESI):[M+H]+=448.1,[M+ Na]+=470.1。
Embodiment 14:4- formoxyls -5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxies Base phenyl) -1H- pyrazoles(Compound 14)Preparation
By POCl3 under ice bath(0.45g,2.92mmol)It is added in the 6mL of nitrogen protection DMF, stirring 1.5 is small When, by compound 9(0.18g,0.49mmol)It is dissolved in 2mL DMF, is added in above-mentioned solution stirring reaction after 0.5 hour, Move on in 65 DEG C of water-baths and react 2 hours;Ice cube is added after having reacted, the aqueous solution is extracted with ethyl acetate, anhydrous sodium sulfate is done Dry organic layer;Remove solvent under reduced pressure, use column chromatography purifying and obtain compound 14, yield 77.2%;MS(ESI):[M+H]+ =439.2,[M+Na]+=461.1。
Embodiment 15:4- formoxyls -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxy-benzenes Base) -1H- pyrazoles(Compound 15)Preparation
In addition to using corresponding raw material, with compound 14 with the identical method prepare compound 15 of embodiment 10, yield 75%;1H-NMR(400MHz,CDCl3):δ2.60(3H,s),3.68(6H,s),3.82(3H,s),3.92(3H,s),6.49(2H, s),6.80(1H,dd,J=8.39Hz,J=1.94Hz),6.88(2H,m),9.75(1H,s);MS(ESI):[M+H]+=399.1, [M+Na]+=421.1,[2M+H]+=699.3,[2M+Na]+=761.3。
Embodiment 16:4- methylols -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxy-benzenes Base) -1H- pyrazoles(Compound 16)Preparation
By compound 15(0.05g,0.13mmol)It is dissolved in 20mL methanol, adds sodium borohydride under ice bath in batches (0.024g,0.63mmol), move to room temperature reaction 2 hours;Organic solvent is evaporated after having reacted, water is added in residue, uses second Acetoacetic ester extracts the aqueous solution, anhydrous sodium sulfate drying organic layer;Remove solvent under reduced pressure, use column chromatography purifying and obtain compound 16, yield 85%;1H-NMR(400MHz,CDCl3):δ2.44(3H,s),3.67(6H,s),3.80(3H,s),3.91(3H,s), 4.52(2H,s),6.46(2H,s),6.75(1H,d,J=7.70Hz),6.83(1H,d,J=7.70Hz),6.88(1H,s);MS (ESI):[M+H]+=401.1,[2M+H]+=801.2,[2M+Na]+=823.2。
Embodiment 17:1- phenyl -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 17)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 17 of embodiment 1, yield 69.5%;MS (ESI):[M+H]+=325.1。
Embodiment 18:1- (4- aminomethyl phenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles(Compound 18)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 18 of embodiment 1, yield 68.2%;1H- NMR(400MHz,CDCl3):δ2.33(3H,s),2.37(3H,s),3.64(6H,s),3.84(3H,s),6.29(1H,s), 6.40(2H,s),7.14(4H,m);MS(ESI):[M+H]+=339.2。
Embodiment 19:1- (4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles(Chemical combination Thing 19)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 19 of embodiment 1, yield 65.1%;1H- NMR(400MHz,CDCl3):δ2.41(3H,s),3.68(6H,s),3.81(3H,s),3.86(3H,s),6.32(1H,s), 6.42(2H,s),6.88(2H,d,J=8.60),7.24(2H,d,J=8.60);MS(ESI):[M+H]+=355.1,[2M+Na]+= 731.3。
Embodiment 20:1- (3- nitro -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles(Compound 20)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 20 of embodiment 1, yield 65.5%;MS (ESI):[M+H]+=400.1,[M+Na]+=422.1,[2M+H]+=799.3,[2M+Na]+=821.3。
Embodiment 21:1- (3- amino-4-methoxyls phenyl) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles(Compound 21)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 21 of embodiment 7, yield 94.1%;1H- NMR(400MHz,CDCl3):δ2.35(3H,s),3.67(6H,s),3.82(3H,s),3.84(3H,s),3.96(2H,s), 6.27(1H,s),6.45(2H,d),6.54(1H,dd,J=8.52Hz,J=2.16Hz),6.68(1H,d,J=8.52Hz),6.80 (1H,d,J=2.16Hz);MS(ESI):[M+H]+=370.1,[2M+H]+=739.3,[2M+Na]+=761.3。
Embodiment 22:1- (3- allyloxy -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) - 1H- pyrazoles(Compound 22)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 22 of embodiment 1, yield 71.5%;MS (ESI):[M+H]+=411.2。
Embodiment 23:1- (3- hydroxyl -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles(Compound 23)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 23 of embodiment 10, yield 93.9%;1H- NMR(400MHz,CDCl3):δ2.36(3H,s),3.66(6H,s),3.80(3H,s),3.84(3H,s),6.29(1H,s), 6.43(2H,s),6.66(1H,dd,J=8.59Hz,J=2.26Hz),6.72(1H,d,J=8.59Hz),7.00(1H,d,J= 2.26Hz),7.48(1H,s);MS(ESI):[M+H]+=371.2,[2M+H]+=741.3,[2M+Na]+=763.3。
Embodiment 24:1- (2- methyl-5-nitrophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles (Compound 24)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 24 of embodiment 1, yield 65.4%;1H- NMR(400MHz,CDCl3):δ2.09(3H,s),2.39(3H,s),3.63(6H,s),3.81(3H,s),6.33(2H,s), 6.39(1H,s),7.42(1H,d,J=8.44Hz),8.17(1H,dd,J=8.44Hz,J=2.36Hz),8.23(1H,d,J= 2.36Hz);MS(ESI):[M+H]+=384.2,[M+Na]+=406.1,[M+K]+=422.1,[2M+Na]+=789.3。
Embodiment 25:1- (2- methyl -5- aminophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles (Compound 25)Preparation
In addition to using corresponding raw material, with the identical method prepare compound 25 of embodiment 7, yield 92.3%;1H- NMR(400MHz,CDCl3):δ1.78(3H,s),2.37(3H,s),3.64(6H,s),3.82(3H,s),6.34(1H,s), 6.43(2H,s),6.68(2H,m),6.98(1H,d,J=8.37Hz);MS(ESI):[M+H]+=354.2。
Embodiment 26:The anti tumor activity in vitro test of the compound of the present invention
External activity test method and result are as follows:Wherein, with the 5- (3- amino-4-methoxyls phenyl) of document report- 1- (3,4,5- trimethoxyphenyls) -1H- pyrazoles(A), CA-4 and clinical conventional antineoplastic adriamycin (Doxorubicin)For positive control experiment group.
Antitumor activity body outer screening test -1
Screening technique:Tetrazolium(MTT)Reducing process
Cell line:Human peripheral leukemia T cell Jurkat cell line
Action time:72 hours
To the inhibiting rate of tumour growth under each μ g/mL dosage of compound 10(%)It is shown in Table -1.
Antitumor activity body outer screening test -2
Screening technique:Tetrazolium(MTT)Reducing process
Cell line:Human oral cavity epithelial cancer cell KB cell line
Action time:72 hours
To the inhibiting rate of tumour growth under each μ g/mL dosage of compound 10(%)It is shown in Table -1.
Antitumor activity body outer screening test 3
Screening technique:Tetrazolium(MTT)Reducing process
Cell line:Human cervical carcinoma cell Hela cell line
Action time:72 hours
To the inhibiting rate of tumour growth under each μ g/mL dosage of compound 10(%)It is shown in Table -1.
Embodiment 27:Antitumor activity test in the animal body of the compound of the present invention
The preferable compound 7 of selection external activity and compound 11 have carried out antitumor activity in animal body and tested, used Model is mouse S-180 sarcoma models, and positive control medicine is clinical conventional antineoplastic fluorouracil (Fluorouracil).
Experimental method:From 18-22 grams of female KM mouse and the S-180 knurl kinds of well-grown 7-11 days, by knurl group Knit and cell suspension is made, it is subcutaneous to be seeded to right side of mice armpit, the cell of about 1.0-2.0 × 106/only, random after inoculation 24 hours Divide cage, continuous 7 days of intraperitoneal injection.Put to death animal within 24 hours after drug withdrawal, weigh, knurl weight, calculate the average knurl weight of each group, press Equation below obtains tumor control rate and carries out t inspections.
Tumor control rate=[(the average knurl weight of the average knurl weight-treatment group of blank control group)/(the average knurl weight of blank control group)] × 100%
Experimental result is shown in Table -2.
Embodiment 28:Acute toxicity preliminary test in the animal body of the compound of the present invention
The preferable compound 7 of antitumor activity and compound 11 have carried out acute toxicity survey in animal body in selection animal body Examination.
Each 10 from 18-22 grams of female KM mouse, intraperitoneal injection compound 7, compound 11 are each respectively After 500mg/kg, there is autogenic movement suppression, writhing, and to the suppression of body weight increase, food ration, water uptake, but have no mouse It is dead.It is discontinued after a few days, surviving animals recover normal.The LD of intraperitoneal administration50Value is more than 500mg/kg.
Table -1
Table -2

Claims (9)

1. formula I 3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds and its salt:
Wherein,
R1、R2、R3It is simultaneously methoxyl group, R4~R8It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyloxy Base, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro;
Or R6、R7、R8It is simultaneously methoxyl group, R1~R5It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyl Epoxide, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro;
R9For fluorine, chlorine, bromine, iodine, formoxyl, methylol.
2. compound as claimed in claim 1 and its salt, it is characterised in that
R1、R2、R3It is simultaneously methoxyl group, R4~R8It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyloxy Base, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro.
3. compound as claimed in claim 1 and its salt, it is characterised in that
R6、R7、R8It is simultaneously methoxyl group, R1~R5It is each independently hydrogen, C1-C6Alkyl, hydroxyl, C1-C6Alkyl oxy, benzyloxy Base, allyloxy, amino, C1-C6Alkyl amino, two C1-C6Alkyl amino, fluorine, chlorine, bromine, iodine, nitro.
4. compound as claimed in claim 2 and its salt, it is characterised in that
R4~R8It is each independently hydrogen, C1-C4Alkyl, hydroxyl, C1-C4Alkyl oxy, benzyloxy, allyloxy, amino, C1-C4 Alkyl amino, two C1-C4Alkyl amino, fluorine, chlorine, bromine, iodine, nitro.
5. compound as claimed in claim 3 and its salt, it is characterised in that
R1~R5It is each independently hydrogen, C1-C4Alkyl, hydroxyl, C1-C4Alkyl oxy, benzyloxy, allyloxy, amino, C1-C4 Alkyl amino, two C1-C4Alkyl amino, fluorine, chlorine, bromine, iodine, nitro.
6. the compound described in claim 1-5 any one, is selected from:
Compound 1
5- phenyl -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 2
5- (4- fluorophenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 3
5- (4- aminomethyl phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 4
5- (4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 5
5- (the fluoro- 4- methoxyphenyls of 3-) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 6
5- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 7
5- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 8
5- (3- methoxyl group -4- allyloxys phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 9
5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 10
5- (3- methoxyl group -4- hydroxy phenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 11
5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 12
The bromo- 5- of 4- (3- nitro -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 13
The bromo- 5- of 4- (3- amino-4-methoxyls phenyl) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 14
4- formoxyls -5- (3- allyloxy -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrroles Azoles
Compound 15
4- formoxyls -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 16
4- methylols -5- (3- hydroxyl -4- methoxyphenyls) -3- methyl isophthalic acids-(3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 17
1- phenyl -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 18
1- (4- aminomethyl phenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 19
1- (4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 20
1- (3- nitro -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 21
1- (3- amino-4-methoxyls phenyl) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 22
1- (3- allyloxy -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 23
1- (3- hydroxyl -4- methoxyphenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 24
1- (2- methyl-5-nitrophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles
Compound 25
1- (2- methyl -5- aminophenyls) -3- methyl -5- (3,4,5- trimethoxyphenyls) -1H- pyrazoles.
7. compound and its salt as described in claim 1-5 any one, it is characterised in that described salt is the compound and acid The salt formed, described acid be selected from hydrochloric acid, sulfuric acid, hydrobromic acid, phosphoric acid, acetic acid, citric acid, oxalic acid, tartaric acid, benzoic acid, Malic acid.
8. a kind of 3- methyl isophthalic acids as claimed in claim 1, the preparation method of 5- diaryl pyrazole azole compounds, its feature exist In:
The 3- methyl isophthalic acids of 4 unsubstituteds, the preparation method of 5- diaryl pyrazole azole compounds are as follows:
By the aryl butyl- 1,3- diketone of the fragrant hydrazine hydrochloride of 1 equivalent, the anhydrous sodium acetate of 0.1~10 equivalent and 0.1~10 equivalent It is added in ethanol, 10~80 degrees Celsius are reacted 1~24 hour;After having reacted, organic solvent is removed under reduced pressure, add into residue Enter water, the aqueous solution, anhydrous sodium sulfate drying organic layer is extracted with ethyl acetate;Organic solvent is removed under reduced pressure, through column chromatography for separation Purifying obtains 3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds;
4- formoxyl -3- methyl isophthalic acids, the preparation method of 5- diaryl pyrazole azole compounds are as follows:
Under ice bath, the POCl3 of 5~20 equivalents is added in the DMF of nitrogen protection and stirred 0.5~3 hour, then by 1 equivalent 3- methyl isophthalic acids, 5- diaryl pyrazole azole compounds are dissolved in DMF and are added in above-mentioned solution, and stirring reaction is after 0.5~3 hour, Move on in 10~100 degrees Celsius of water-bath and continue reaction 1~24 hour;Ice cube is added after having reacted, is extracted with ethyl acetate The aqueous solution, anhydrous sodium sulfate drying organic layer;Remove solvent under reduced pressure, use column chromatography purifying, obtain 4- formoxyl -3- first Base -1,5- diaryl pyrazole azole compounds;
4 3- methyl isophthalic acids for being connected with fluorine, chlorine, bromine or iodine, the preparation method of 5- diaryl pyrazole azole compounds are as follows:
The 3- methyl isophthalic acids of 1 equivalent, 5- diaryl pyrazole azole compounds are dissolved in carbon tetrachloride at room temperature, add 1~10 equivalent N- fluorosuccinimides, N-chlorosuccinimide, N-bromosuccinimide or N-iodosuccinimide, 0~60 Degree Celsius stirring reaction 1~24 hour;Organic solvent is evaporated after having reacted, through column chromatographic isolation and purification obtain 4 be connected with fluorine, The 3- methyl isophthalic acids of chlorine, bromine or iodine, 5- diaryl pyrazole azole compounds;
Wherein, R1~R8In the 3- methyl isophthalic acids containing amino, 5- diaryl pyrazoles azole compounds can be by corresponding R1~R8In contain nitre The compound of base is prepared through reduction reaction, and reducing agent is anhydrous ferric trichloride/hydrazine hydrate/activated carbon system;
R1~R8In the 3- methyl isophthalic acids containing hydroxyl, 5- diaryl pyrazole azoles compound can be by corresponding R1~R8In contain allyl oxygen For the compound of base through going diastereoselective allylation to prepare, it is titanium tetrachloride to remove diastereoselective allylation reagent;
4 3- methyl isophthalic acids for being connected with methylol, 5- diaryl pyrazole azoles compound can be by 4- formoxyl -3- methyl isophthalic acids, 5- bis- Arylpyrazoles compound is prepared by carbonyl reduction reaction, and carbonyl reduction reaction reagent is sodium borohydride;
Wherein, R1~R8In 4 3- methyl isophthalic acids for being connected with substituent containing hydroxyl, 5- diaryl pyrazole azole compounds can be by phase The R answered1~R8In the compound containing allyloxy through going diastereoselective allylation to prepare, it is titanium tetrachloride to remove diastereoselective allylation reagent;
Wherein, R1~R8In 4 3- methyl isophthalic acids for being connected with substituent containing amino, 5- diaryl pyrazole azole compounds can be by phase The R answered1~R8In the compound containing nitro prepared through reduction reaction, reducing agent is anhydrous ferric trichloride/hydrazine hydrate/activated carbon System.
9. the 3- methyl isophthalic acids any one of claim 1~6,5- diaryl pyrazole azole compounds and its salt are anti-in preparation Application in tumour medicine.
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