CN105732468A - N'-(2-(1H-indole-3-yl)acetyl)arylhydrazide compound and preparation method and application thereof - Google Patents

N'-(2-(1H-indole-3-yl)acetyl)arylhydrazide compound and preparation method and application thereof Download PDF

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CN105732468A
CN105732468A CN201610213100.1A CN201610213100A CN105732468A CN 105732468 A CN105732468 A CN 105732468A CN 201610213100 A CN201610213100 A CN 201610213100A CN 105732468 A CN105732468 A CN 105732468A
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indole
indol
acetyl group
reaction
formula
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CN105732468B (en
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夏雪山
何严萍
冯悦
范孟然
高凤萍
张玉芳
李聪
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Yunnan University YNU
Kunming University of Science and Technology
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Kunming University of Science and Technology
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04Indoles; Hydrogenated indoles
    • C07D209/10Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
    • C07D209/18Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

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Abstract

The invention provides a N'-(2-(1H-indole-3-yl)acetyl)arylhydrazide compound and a preparation method and application thereof.The N'-(2-(1H-indole-3-yl)acetyl)arylhydrazide compound has a structure shown as a formula I (please see the formula in the description) and has the obvious inhibiting effect on an HCV virus, the anti-HCV virus treatment index is higher than that of existing clinical drugs including alpha-1b(IFNalpha-1b) interferon and ribavirin, and the N'-(2-(1H-indole-3-yl)acetyl)arylhydrazide compound can serve as an anti-HCV drug candidate; in addition, the preparation method is simple, high in yield and suitable for industrial production.

Description

A kind of N '-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound and system thereof Preparation Method and purposes
Technical field
The invention belongs to field of medicine preparing technology, relate to a kind of N'-(2-(1H-indol-3-yl) acetyl group) virtue Hydrazide kind compound and its production and use.
Background technology
Hepatitis C is a kind of serious threat mankind caused by hepatitis C virus (hepatitis C virus, HCV) Healthy hepatic disease, about 1.7 hundred million people's HCV infection in world wide, wherein nearly 60%-80% would develop into chronic hepatitis, portion Divide and be further development of liver cirrhosis and hepatocarcinoma.HCV still lacks effective vaccine, and the Therapeutic Method over nearly 20 years is the most dry Disturb element (IFN)-α or the use in conjunction of long-acting IFN that Polyethylene Glycol (PEG) is modified and broad-spectrum antiviral medicament ribavirin, should Therapy is evident in efficacy for II type and III type patient, but only effective to the I type patient of about 40%, and erythra etc. are serious not Good reaction also have impact on it and uses.In recent years have developed a series of HCV protease inhibitor, such as NS3/4A serine stretch protein enzyme level Agent, NS5B RdRp AG14361, NS3 unwindase/ribonucleoside triphosphote enzyme inhibitor etc., wherein NS3 serine protease exists Polyprotein is transcribed and plays a decisive role in hydrolytic process, suppresses its proteinase activity, can hinder the growth of HCV, breeding, because of This is considered one of best target spot of Effect of Anti hepatitis C medicine.Along with the inhibitor VX-960 with HCV NS3/4A as target (telarevir) with IFN-α and ribavirin use in conjunction clinically, HCV Ns3/4A inhibitor has become as research heat Point.For the inhibitor of NS3/NS4A serine protease mainly from substrate structure design molecule, these inhibitor are from change Learn and be broadly divided into peptides and non-peptide inhibitor in structure.Now report the compound of some non-peptide albuminoid enzyme inhibitors, such as thiophene Oxazolidine analog derivative, phenanthrenequione compounds, benzimidazoles derivative etc., they have good NS 3 protease to suppress in vitro Activity, we are found by structural analysis, although these inhibitor structures are different, but typically all contain virtue in they molecules Fragrant female ring, rich in amido link, and these inhibitor molecules present more calm linear structure mostly, thus with NS3 protease with Substrate binding site is suitable compared with shallow trench.
Benzazole compounds has a series of biological activity, and its many derivants have significant pharmacologically active.In clinic Pharmaceutically, some indole derivativeses have been used for treating multiple disease, such as cancer, tumor, anti-inflammatory analgesic and viral disease and Infectious disease.
CN1752085A discloses a kind of aromatic hydrazide kind compound, and it has a following structure:
In the structure shown here, R1 is hydrogen atom or C1-C6 alkyl;Ar1 and Ar2 is each Independently selected from: 3-indyl, 5-indyl, 2-quinolyl, 4-quinolyl, 2-pyridine radicals, 3-pyridine radicals, 2-pyrrole radicals, 3- Pyrrole radicals, 2-thienyl, 3-thienyl, pyrazolyl, 2-furyl, 3-furyl;Above-mentioned group is unsubstituted or by 1 or 2 Individual selected from following substituent group replacement: halogen, nitro, hydroxyl, trifluoromethyl, C1-C6 alkyl, C1-C6 alkoxyl, C1-C6 alkane Oxygen acyl group, amino, carboxyl, phenyl, benzyl, benzenesulfonyl.This compound may be used for prevention and/or treats some autoimmune Property disease.
In the art, it is desirable to the biological activity combining Benzazole compounds has anti-hepatitis c virus to prepare one The medicine of effect.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of N'-(2-(1H-indol-3-yl) acetyl Base) aromatic hydrazide kind compound and its production and use.
For reaching this purpose, the present invention by the following technical solutions:
On the one hand, the present invention provides a kind of N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound, and it has Structure shown in Formulas I:
In Formulas I, n=0,1 or 2, R be substituted or unsubstituted phenyl ring, substituted or unsubstituted naphthalene nucleus, substituted or Unsubstituted anthracene nucleus, substituted or unsubstituted furan nucleus, substituted or unsubstituted xenyl,In any one, described The substituent group of phenyl ring, naphthalene nucleus, anthracene nucleus, furan nucleus and xenyl is independently selected from halogen, hydroxyl, nitro, trifluoromethyl, C1-C10 Any one or the combination of at least two in alkyl or C1-C10 alkoxyl.
The present invention combines NS3/NS4A serpin construction features analysis, and this construction unit of indole is drawn Enter in the design of HCV protease inhibitor, and import the acylamino-group that can combine with serine, synthesized serial chain type N '-(2-(1H-indol-3-yl) acetyl group) virtue hydrazide compound, experiment in vitro proves that this compounds has obvious HCV-Ab IgG Activity.
In the present invention, any one or the combination of at least two during described halogen is F, Cl, Br or I.
In the present invention, described C1-C10 alkyl can be C1, C2, C3, C4, C5, C6, C7, C8, C9 or C10 alkyl, example It is not limited to methyl, ethyl, propyl group, butyl or amyl group as being.
In the present invention, described C1-C10 alkoxyl can be C1, C2, C3, C4, C5, C6, C7, C8, C9 or C10 alcoxyl Base, such as, can be but be not limited to methoxyl group, ethyoxyl, propoxyl group or butoxy.
Preferably, N'-of the present invention (2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound is for having table 1 institute Show any one or the combination of at least two in the compound of structure.
Table 1
On the other hand, the invention provides N'-(2-(1H-indol-3-yl) acetyl group) virtue acyl as described in relation to the first aspect The preparation method of hydrazine class compound, said method comprising the steps of:
(1) heteroauxing and C1-C5 alcohol generation esterification obtain ethychlozate ester shown in Formula II, and reaction equation is as follows:
Wherein R1For C1-C5 alkyl;
(2) ethychlozate ester shown in Formula II and hydrazine hydrate react and obtain indole acethydrazide shown in formula III, and reaction equation is as follows:
(3) being reacted by aromatic carboxylic acids shown in formula IV and chlorination reagent and prepare aryl-acyl chlorides shown in Formula V, reaction equation is such as Under:
(4) reacted by indole acethydrazide shown in formula III and aryl-acyl chlorides shown in Formula V and obtain (2-(the 1H-Yin of N'-shown in Formulas I Diindyl-3-base) acetyl group) aromatic hydrazide kind compound, reaction equation is as follows:
In the preparation process in accordance with the present invention, step (1) described C1-C5 alcohol can be C1, C2, C3, C4 or C5 alcohol, is preferably Any one in methanol, ethanol, propanol, butanol or amylalcohol, more preferably methanol, i.e. R1It can be C1 alkyl (i.e. first Base), C2 alkyl, C3 alkyl, C4 alkyl or C5 alkyl, preferably methyl.
Preferably, the mol ratio of step (1) described heteroauxing and C1-C5 alcohol is 1:(5-40), such as 1:6,1:8,1: 10,1:12,1:15,1:18,1:20,1:22,1:24,1:28,1:30,1:32,1:35 or 1:38.In the present invention, alcohol is both made Reaction dissolvent is also served as, it is therefore desirable to more alcohol for reaction raw materials.
Preferably, step (1) described reaction using strong acid as catalyst, preferably concentrated sulphuric acid, described concentrated sulphuric acid preferably 98% Concentrated sulphuric acid.
Preferably, the temperature of step (1) described reaction is 50-80 DEG C, such as 50 DEG C, 53 DEG C, 55 DEG C, 58 DEG C, 60 DEG C, 63 DEG C, 65 DEG C, 68 DEG C, 70 DEG C, 73 DEG C, 75 DEG C, 78 DEG C or 80 DEG C.
Preferably, the time of step (1) described reaction is 1-8 hour, such as 1 hour, 1.5 hours, 2 hours, 2.5 little Time, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours, 5.5 hours, 6 hours, 6.5 hours, 7 hours, 7.5 time or 8 little Time.
Preferably, ethychlozate ester shown in step (2) described Formula II is 1:(1-4 with the mol ratio of hydrazine hydrate), such as 1: 1,1:1.5,1:1.8,1:2,1:2.2,1:2.5,1:2.8,1:3,1:3.3,1:3.5,1:3.8 or 1:4.
Preferably, in step (2) described reaction, solvent for use is ethylene glycol monomethyl ether.
Preferably, the temperature of step (2) described reaction is 110-130 DEG C, such as 110 DEG C, 115 DEG C, 120 DEG C, 125 DEG C or 130℃。
Preferably, the time of step (2) described reaction is 5-24 hour, such as 6 hours, 7 hours, 8 hours, 9 hours, 10 Hour, 12 hours, 14 hours, 15 hours, 17 hours, 19 hours, 20 hours, 21 hours, 22 hours or 23 hours.
Preferably, step (3) described chlorination reagent be in thionyl chloride, Phosphorous chloride. or phosphorus pentachloride any one or The combination of at least two, preferably thionyl chloride.
Preferably, step (3) described aromatic carboxylic acids is 1:(2-6 with the mol ratio of chlorination reagent), such as 1:2,1:2.2, 1:2.5,1:2.8,1:3,1:3.5,1:4,1:4.3,1:4.5,1:4.8,1:5,1:5.5,1:5.8 or 1:6.
Preferably, in step (3) described reaction, solvent for use is oxolane, preferably adds 1-3 in oxolane Drip DMF.
Preferably, the temperature of step (3) described reaction is 60-90 DEG C, such as 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 80 DEG C, 85 DEG C or 90 DEG C.
Preferably, the time of step (3) described reaction is 5-20 hour, such as 5 hours, 6 hours, 7 hours, 8 hours, 9 Hour, 10 hours, 12 hours, 14 hours, 16 hours, 18 hours or 20 hours.
Preferably, the mol ratio of step (4) described indole acethydrazide and aryl-acyl chlorides is 1:(1-1.5), such as 1:1,1: 1.1,1:1.2,1:1.3,1:1.4 or 1:1.5.
Preferably, step (4) described reaction is carried out in the presence of alkaline reagent.
Preferably, described alkaline reagent is triethylamine.
Preferably, the mol ratio of described alkaline reagent and indole acethydrazide is 1:(1-3), such as 1:1,1:1.3,1:1.5, 1:1.8,1:2,1:2.2,1:2.5,1:2.8 or 1:3.
Preferably, in step (4) described reaction, solvent for use is oxolane.
Preferably, the temperature of step (4) described reaction is 0-30 DEG C, such as 0 DEG C, 5 DEG C, 10 DEG C, 12 DEG C, 15 DEG C, 18 DEG C, 20 DEG C, 23 DEG C, 25 DEG C, 28 DEG C or 30 DEG C.
Preferably, the time of step (4) described reaction is 5-24 hour, such as 5 hours, 8 hours, 10 hours, 12 hours, 14 hours, 16 hours, 18 hours, 20 hours, 21 hours, 22 hours, 23 hours or 24 hours.
As the preferred technical solution of the present invention, N'-of the present invention (2-(1H-indol-3-yl) acetyl group) virtue hydrazides The preparation method of compounds comprises the following steps:
(1) heteroauxing and methanol generation esterification obtain heteroauxing methyl ester, and reaction equation is as follows:
(2) heteroauxing methyl ester and hydrazine hydrate react and obtain indole acethydrazide, and reaction equation is as follows:
(3) being reacted by aromatic carboxylic acids shown in formula IV and thionyl chloride and prepare aryl-acyl chlorides shown in Formula V, reaction equation is such as Under:
(4) reacted by indole acethydrazide shown in formula III and aryl-acyl chlorides shown in Formula V and obtain (2-(the 1H-Yin of N'-shown in Formulas I Diindyl-3-base) acetyl group) aromatic hydrazide kind compound, reaction equation is as follows:
On the other hand, the invention provides N'-(2-(1H-indol-3-yl) acetyl group) virtue acyl as described in relation to the first aspect Hydrazine class compound purposes in preparing anti hepatitis C virus drug.
Aromatic hydrazide kind compound can be as anti-hepatitis C virus for N'-of the present invention (2-(1H-indol-3-yl) acetyl group) The active component material standed for of cytotoxic drug, has obvious anti-HCV activity.
Relative to prior art, the method have the advantages that
HCV virus is had bright by N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound prepared by the present invention Aobvious inhibitory action, HCV-Ab IgG viral therapy index is higher than existing clinical medicine interferon α-1b (IFN α-1b) and ribavirin (Ribavirin), can be as anti-HCV medicament material standed for, and the preparation method of the present invention is simple, productivity is high, it is adaptable to industry Produce.
Detailed description of the invention
Technical scheme is further illustrated below by detailed description of the invention.Those skilled in the art should be bright , the only help of described embodiment understands the present invention, is not construed as the concrete restriction to the present invention.
Embodiment 1
In the present embodiment, it is prepared by the following method Formulas I-1 compound, specifically includes following steps:
(1) in 500 milliliters of round-bottomed flasks, heteroauxing 8.8g (50mmol), methanol (60mL), concentrated sulphuric acid are added (3mL), 70 DEG C are reacted 1-3 hour, and TLC detects after completion of the reaction, steam methanol, add water (50mL), separate organic facies, aqueous phase Extract by ethyl acetate (3 × 20mL), merge organic facies, successively with saturated sodium bicarbonate solution and water washing, anhydrous sodium sulfate Being dried, obtain heteroauxing methyl ester crude product after concentrating under reduced pressure, this product is directly used in next step reaction without purification.
(2) in 500 milliliters of round-bottomed flasks, heteroauxing methyl ester 9.46g (48mmol) is added, ethylene glycol monomethyl ether (40mL), Hydrazine hydrate 5mL, 115 DEG C of heating reflux reactions about 20 hours, thin layer chromatography (TLC) detection raw material point disappears, stopped reaction, cooling To room temperature, adding water (50mL), stand and separate out white solid, sucking filtration obtains crude product, obtains indole acethydrazide with ethyl alcohol recrystallization White solid 9.2 grams.
(3) in 100 milliliters of round-bottomed flasks, add various aromatic carboxylic acids 1.6mmol, anhydrous tetrahydro furan 10mL, drip one Dripping DMF, add 0.5mL thionyl chloride, oil bath, 70 DEG C of reacting by heating about 10 hours, TLC detects after completion of the reaction, steams solvent, Obtain aroyl chloride crude product and be directly used in next step reaction.
(4) in 100 milliliters of round-bottomed flasks, 3-indole acethydrazide (300mg, 1.59mmol), anhydrous tetrahydro furan 10 are added Milliliter, Et3N (3mL, 1.59mmol), the tetrahydrofuran solution of dropping Benzenecarbonyl chloride. (1.59mmol), produce precipitation, continue room Temperature (25 DEG C) stir 12 hours, TLC detect after completion of the reaction, removal of solvent under reduced pressure obtains orange/yellow solid, respectively with ethyl acetate, Water washs, and sucking filtration obtains faint yellow crude product, obtains white solid sterling with appropriate solvent recrystallization, productivity: 92%.Mp: 180.0-181.0℃。
The product obtained is carried out nucleus magnetic hydrogen spectrum and mass spectral characteristi, and result is as follows:
1H-NMR(500MHz,DMSO-d6),δ(ppm):3.78(s,2H,CH2),7.02(s,1H,Ar-H),7.09-7.34 (m,4H,Ar-H),7.43-7.54(m,2H,Ar-H),7.63-7.65(m,1H,Ar-H),7.84-7.86(m,2H,Ar-H), 10.18 (s, 1H, NH), 10.36 (s, 1H, NH), 10.91 (s, 1H, indole-NH);m/z 294.1[M++1]。
Embodiment 2
In the present embodiment, the compound of formula I-2 to Formulas I-35, preparation method and embodiment 1 Formulas I-1 compound Preparation the difference is that only, the aroyl chloride used in step (4) is respectively In addition, preparation method is changed with the Formulas I-1 of embodiment 1 The preparation method of compound is identical.
The Formulas I-2 prepared is as follows to the character of Formulas I-35 compound, productivity and structural characterization result:
N'-(2-(1H-indol-3-yl) acetyl group)-2-iodobenzene formylhydrazine (Formulas I-2): white solid, productivity: 94%, mp:188.1-189.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.68(s,2H,CH2),6.92-6.93(s,1H, Ar-H),6.98-7.24(m,4H,Ar-H),7.32-7.35(m,1H,Ar-H),7.43-7.44(m,1H,Ar-H),7.53- 7.55(m,1H,Ar-H),7.80-7.82(m,1H,Ar-H),10.23(s,1H,NH),10.29(s,1H,NH),10.97(s, 1H, indole-NH);m/z 418.0[M+-1]。
N'-(2-(1H-indol-3-yl) acetyl group) phenylacetyl hydrazine (Formulas I-3): white solid, productivity: 92%, mp: 96.4-197.4℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.58(s,2H,CH2),3.73(s,2H,CH2),7.23 (s,1H,Ar-H),7.31(m,2H,Ar-H),7.32(m,1H,Ph-H),7.33(m,2H,Ar-H),7.35-7.36(m,4H, Ar-H), 10.01 (2H, 2NH), 10.42 (1H, NH-indole);m/z 307.1[M+]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-methoxybenzene acethydrazide (Formulas I-4), faint yellow solid, productivity: 88%, mp:181.2-182.2 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.34(s,2H,CH2),3.60(s,3H, OCH3),3.46(s,2H,CH2),7.16(m,2H,Ar-H),7.21(s,1H,Ar-H),7.23(m,2H,Ar-H),7.24-7.25 (m, 4H, Ar-H), 10.03 (2H, 2NH), 10.88 (1H, NH-indole);m/z 338.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-(3,4-Dimethoxyphenyl) propionyl hydrazine (Formulas I-5): orange-yellow Solid, productivity: 95%, 137.2-138.2 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):2.53(t,2H,CH2),2.89 (t,2H,CH2),3.73(s,2H,CH2),3.79(6H,s,2OCH3),6.77(s,1H,Ar-H),6.83(s,1H,Ar-H), 6.85(m,1H,Ar-H),7.03(s,1H,Ar-H),7.11-7.61(m,4H,Ar-H),9.88(s,1H,NH),10.12(s, 1H, NH), 10.93 (s, 1H, indole-NH);m/z382.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-2-hydroxybenzoyl hydrazine (Formulas I-6), white solid, productivity: 75%, mp:189.2-190.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.82(s,2H,C H2),6.92(s,1H,Ar- H),7.04-7.07(m,1H,Ar-H),7.11-7.14(m,1H,Ar-H),7.29-7.42(m,4H,Ar-H),7.66-7.67 (m, 1H, Ar-H), 7.82-7.84 (m, 1H, Ar-H), 10.13 (1H, NH), 10.41 (s, 1H, NH);10.88 (1H, NH-Yin Diindyl);m/z 308.1[M+-1]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-methylbenzene acethydrazide (Formulas I-7), faint yellow solid, productivity: 89%, mp:188.2-189.2 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):2.26(s,3H,CH3),3.41(s,2H, CH2),3.62(s,2H,CH2),6.97(s,1H,Ar-H),7.05-7.17(m,4H,Ar-H),7.18-7.60(m,4H,Ar-H), 10.01 (s, 1H, NH), 10.03 (s, 1H, NH), 10.86 (s, 1H, NH-indole);m/z 322.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-1-naphthalene acethydrazide (Formulas I-8), orange/yellow solid, productivity: 85%,
mp:197.5-198.5℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.56(s,2H,CH2),
3.96(s,2H,CH2),6.96(s,1H,Ar-H),7.05-7.23(m,1H,Ar-H),7.33-7.51(m,4H, Ar-H),7.51-7.55(m,3H,Ar-H),7.57-7.59(m,1H,Ar-H),7.82-7.83(m,1H,Ar-H),8.12- 8.13 (m, 1H, Ar-H), 10.03 (s, 1H, NH), 10.20 (s, 1H, NH), 10.85 (s, 1H, NH-indole);m/z 357.1[M+]。
N'-(2-(1H-indol-3-yl) acetyl group) cyclohexyl acethydrazide (Formulas I-9), white solid, productivity: 76%, mp: 187.5-188.5;1H-NMR(500MHz,DMSO-d6),δ(ppm):0.87-1.87(m,11H,cyclohexyl),2.04(s, 2H,CH2),3.60(s,2H,CH2),6.90(s,1H,Ar-H),6.92-7.49(m,4H,Ar-H),10.06(2H,2NH), 10.65 (1H, NH-indole);m/z 315.3[M++2]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-(3,4,5-trimethoxyphenyl) propylene hydrazides (Formulas I-10), in vain Color solid, productivity: 93%, mp:99.2-100.2 DEG C;1H-NMR(500MHz,DMSO-d6),δ(pp m):3.37(s,2H, CH2),3.86(s,9H,3OCH3), 6.88 (s, 2H, Ar-H), 6.93 (s, 1H, Ar-H), 7.05-7.02 (d, 1H, CH=CH), 7.59-7.10 (m, 4H, Ar-H), 7.65-7.63 (d, 1H, CH=CH), 10.09 (s, 1H, NH), 10.28 (s, 1H, NH), 10.51 (s, 1H, indole-NH);m/z410.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group) furan-2-formylhydrazine (6-11), white solid, productivity: 77%, mp: 89.5-89.9℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.61(s,2H,CH2),6.65(m,1H,Ar-H),6.98 (s,1H,Ar-H),7.07-7.35(m,4H,Ar-H),7.61-7.63(d,1H,Ar-H),7.88(d,1H,Ar-H),10.05 (s, 1H, NH), 10.23 (s, 1H, NH), 10.88 (s, 1H, NH-indole);m/z 284.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-nitrobenzoyl hydrazides, yellow solid (Formulas I-12), productivity: 91%, mp:196.8-197.8 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.66(s,2H,C H2),7.00(s,1H, Ar-H),7.07-7.66(m,4H,Ar-H),8.09-8.11(m,2H,Ar-H),8.33-8.35(m,2H,Ar-H),10.25(s, 1H, NH), 10.71 (s, 1H, NH), 10.90 (s, 1H, NH-indole);m/z 339.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group) Cortex Cinnamomi hydrazides (Formulas I-13), white solid, productivity: 85%, mp: 226.5-227.5℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.62(s,2H,CH2),6.70(s,1H,Ar-H), 6.94-7.00 (d, 1H, CH=CH), 7.06-7.08 (m, 1H, Ar-H), 7.27-7.43 (m, 4H, Ar-H), 7.52-7.55 (m, 2H, Ar-H), 7.59-7.60 (m, 2H, Ar-H), 7.61-7.63 (d, 1H, CH=CH), 10.16 (s, 1H, NH), 10.24 (s, 1H, NH), 10.89 (s, 1H, NH-indole);m/z 320.1[M++1].
N'-(2-(1H-indol-3-yl) acetyl group)-4-hydroxybenzoyl hydrazine (Formulas I-14), white solid, productivity: 68%, mp:220.1-221.1 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.61(s,2H,CH2),6.85(s,1H, Ar-H),7.07-7.10(m,2H,Ar-H),7.26-7.79(m,4H,Ar-H),7.82-7.84(m,2H,Ar-H),10.02(s, 2H,NH),10.90(s,1H,Ar-H);m/z 310.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3,5-dinitro benzoyl hydrazine (6-15), faint yellow solid, productivity: 93%, mp:215.5-216.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.69(s,2H,CH2),7.00(s,1H, Ar-H),7.07-7.65(m,4H,Ar-H),8.95(s,1H,Ar-H),9.06(s,2H,Ar-H),10.43(s,1H,NH), 10.90 (s, 1H, NH), 11.17 (s, 1H, NH-indole);m/z 384.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-2,4,5-trimethoxybenzoyl hydrazines (Formulas I-16), white solid, Productivity: 79%, mp:224.5-225.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.66(s,2H,CH2),3.75- 3.93(s,9H,3OCH3),6.77(s,1H,Ar-H),7.01(s,1H,Ar-H),7.08-7.65(m,4H,Ar-H),7.66(s, 1H, Ar-H), 9.90 (s, 1H, NH), 10.53 (s, 1H, NH), 10.92 (s, 1H, NH-indole);m/z 384.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-iodobenzene formylhydrazine (Formulas I-17), white solid, productivity: 86%,
mp:224.0-245.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.65(s,2H,CH2),
7.01(s,1H,Ar-H),7.08-7.65(m,4H,Ar-H),7.66-7.67(m,2H,Ph-H),7.88-7.90 (m, 2H, Ar-H), 10.17 (s, 1H, NH), 10.45 (s, 1H, NH), 10.91 (s, 1H, NH-indole);m/z 420.0[M++ 1]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-bromobenzoylhydrazine (Formulas I-18), white solid, productivity: 84%, mp:221.2-222.2℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.64(s,2H,CH2),7.00-7.02(d,1H, Ar-H),7.07-7.10(d,1H,Ar-H),7.24(s,1H,Ar-H),7.34-7.36(d,2H,Ar-H),7.59-7.64(d, 2H, Ar-H), 7.68-7.70 (d, 2H, Ar-H), 10.13 (s, 1H, NH), 10.41 (s, 1H, NH), 10.59 (s, 1H, NH-Yin Diindyl);m/z 374.3[M++2]。
N'-(2-(1H-indol-3-yl) acetyl group)-2-nitrobenzoyl hydrazides, faint yellow solid (Formulas I-19), productivity: 86%, mp:189.5-199.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.67(s,2H,CH2),6.88(s,1H, Ar-H),7.00-7.68(m,4H,Ar-H),7.70-7.73(m,1H,Ar-H),7.75-7.78(m,1H,Ar-H),7.82- 7.85(m,1H,Ar-H),8.08-8.10(m,1H,Ar-H),10.43(s,1H,NH),10.62(s,1H,NH),10.93(s, 1H, NH-indole);m/z 339.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-phenylpropyl alcohol hydrazides (Formulas I-20), white solid, productivity: 81%, mp: 200.0-201.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):2.44-2.47(t,2H,C H2),2.84-2.87(t, 2H,CH2),3.60(s,2H,CH2),7.01(s,1H,Ar-H),7.07-7.10(m,1H,Ar-H),7.18-7.28(m,4H,Ar- H), 7.29-7.63 (m, 4H, Ar-H), 9.86 (s, 1H, NH), 10.89 (s, 1H, indole-NH), 10.02 (s, 1H, NH);m/z 322.3[M+1]。
N'-(2-(1H-indol-3-yl) acetyl group)-2-chloro-4-nitrobenzoyl hydrazides (Formulas I-21), yellow solid, produces Rate: 92%, mp:187.0-188.0 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.64(s,2H,CH2),6.89- 6.94(m,1H,Ar-H),6.97-7.00(m,1H,Ar-H),7.26(s,1H,Ar-H),7.35-7.43(m,1H,Ar-H), 7.61-7.62(d,1H,Ar-H),7.72-7.75(d,1H,Ar-H),8.23-8.24(d,1H,Ar-H),8.33(s,1H,Ar- H), 10.30 (s, 1H, NH), 10.62 (s, 1H, NH), 10.85 (s, 1H, indole-NH);m/z 374.1[M++2]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-methoxybenzoyl hydrazine (Formulas I-22), white solid, productivity: 93%, mp:165.2-166.2 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.66(s,2H,CH2),3.81(s,3H, OCH3),7.09-7.12(s,1H,Ar-H),7.04-7.12(d,2H,Ar-H),7.32-7.69(m,4H,Ar-H),7.89- 7.90(d,2H,Ar-H),10.11(s,1H,NH),10.25(s,1H,
NH), 10.93 (s, 1H, indole-NH);m/z 324.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-iodobenzene formylhydrazine (Formulas I-23), white solid, productivity: 90%, mp:193.5-194.5℃;1H-NMR(MHz,DMSO-d6),δ(ppm):3.64(s,2H,CH2),7.0(s,1H,Ar-H), 7.09-7.37(m,4H,Ar-H),7.64-7.65(d,1H,Ar-H),7.88-7.89(d,1H,Ar-H),7.92-7.94(d, 1H, Ar-H), 8.22 (s, 1H, Ar-H), 10.20 (s, 1H, NH), 10.48 (s, 1H, NH), 10.91 (s, 1H, indole-NH);m/ z 420.0[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-(3-chlorphenyl) propylene hydrazides (Formulas I-24), white solid, produces Rate: 91%, mp:232.5-233.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.65(s,
2H,CH2), 6.74-6.77 (d, 1H, Ar-H), 6.99-7.00 (d, 1H, CH=CH), 7.02-7.38 (m, 4H, Ar-H),7.43-7.44(d,1H,Ar-H),7.52(s,1H,Ar-H),7.56-7.57(m,1H,Ar-H),7.57-7.64(m, 1H, Ar-H), 7.65-7.67 (d, 1H, CH=CH), 10.24 (s, 1H, NH), 10.32 (s, 1H, NH), 10.91 (s, 1H, Yin Diindyl-NH);m/z 354.5[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3,5-dimethylbenzohydrazide (Formulas I-25), white solid, productivity: 92%, mp:193.5-194.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):2.31(s,6H,2CH3),3.64(s,2H, CH2),7.00-7.02(d,1H,Ar-H),7.19(s,1H,Ar-H),7.30(s,1H,Ar-H),7.36-7.38(d,1H,Ar- H),7.08-7.09(d,1H,Ar-H),7.50(s,2H,Ar-H),7.65-7.66(d,1H,Ar-H),10.12(s,1H,NH), 10.25 (s, 1H, NH), 10.90 (s, 1H, indole-NH);m/z 322.3[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-chlorobenzoyl hydrazine (Formulas I-26), white solid, productivity: 86%, mp:207.0-208.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):4.02(s,2H,CH2),6.98-7.01(t,1H, Ar-H),7.07-7.10(t,1H,Ar-H),7.29(s,1H,Ar-H),7.35-7.37(d,1H,Ar-H),7.55-7.57(d, 1H,Ar-H),7.63-7.65(d,2H,Ar-H),7.87-7.89(d,2H,Ar-H),10.17(s,1H,NH),10.45(s,1H, NH), 10.88 (s, 1H, indole-NH);m/z329.1[M++2]。
N'-(2-(1H-indol-3-yl) acetyl group) anthracene-10-formylhydrazine (Formulas I-27), faint yellow solid, productivity: 88%, mp:258.0-259.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.82(s,2H,CH2),7.07(s,1H,), 7.51-7.58(m,4H,Ar-H),7.59-7.62(m,2H,Ar-H),7.75-7.77(d,2H,Ar-H),8.13-8.15(d, 2H,Ar-H),8.39-8.40(d,1H,Ar-H),8.69(s,2H,Ar-H),10.39(s,1H,NH),10.61(s,1H,NH), 11.01 (s, 1H, indole-NH);m/z 391.2[M+-2]。
N'-(2-(1H-indol-3-yl) acetyl group)-4-ethoxybenzene formylhydrazine (Formulas I-28), white solid, productivity: 93%, mp:170.1-171.1 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):1.32-1.34(t,3H,CH3),3.67 (s,2H,CH2),4.04-4.08(q,2H,CH2),6.99(s,1H,Ar-H),7.01-7.33(d,1H,Ar-H),7.38-7.69 (m, 4H, Ar-H), 7.87-7.89 (d, 2H, Ar-H), 10.10 (s, 1H, NH), 10.24 (s, 1H, NH), 10.92 (s, 1H, Yin Diindyl-NH);m/z 338.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group) benzo [d] [1,3] dioxa amylene-5-carbohydrazide (Formulas I-29), in vain Color solid, productivity: 92%, mp:106.5-107.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(p pm):3.67(s,2H, CH2),6.10(s,2H,OCH2O),7.01(s,1H,Ar-H),7.02(d,1H,A r-H),7.11-7.44(m,4H,Ar-H), 7.52-7.53(d,1H,Ar-H),7.67-7.69(d,1H,Ar-H),10.13(s,1H,NH),10.25(s,1H,NH),10.92 (s, 1H, indole-NH);m/z 338.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-3-6-bromobenzene also [d] [1,3] dioxa amylene-5-base) acryloyl Hydrazine (Formulas I-30), white solid, productivity: 89%, mp:242.7-243.7 DEG C;1H-NMR(500MHz,DMS O-d6),δ(ppm): 3.66(s,2H,CH2),6.12(s,2H,OCH2O), 6.57 (s, 1H, Ar-H), 6.60 (s, 1H, CH=CH), 7.01 (s, 1H, Ar-H), 7.11 (s, 1H, Ar-H), 7.25-7.66 (d, 4H, Ar-H), 7.73-7.76 (d, 1H, CH=CH), 10.21 (s, 1H, NH), 10.30 (s, 1H, NH), 10.97 (s, 1H, indole-NH);m/z 443.0[M++2]。
N'-(2-(1H-indol-3-yl) acetyl group)-2-fluorobenzoyl hydrazine (Formulas I-31), white solid, productivity: 91%, mp:153.0-154.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.66(s,2H,CH2),7.00-7.02(s,1H, Ar-H),7.09-7.12(m,1H,Ar-H),7.29-7.32(m,1H,Ar-H),7.38-7.39(d,4H,Ar-H),7.54- 7.63(m,1H,Ar-H),7.64-7.68(m,2H,Ar-H),10.26(s,1H,NH),10.27(s,1H,NH),10.92(s, 1H, indole-NH);m/z 312.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-2,3-dichloro-benzoyl hydrazine (Formulas I-32), white solid, productivity: 89%, mp:214.5-215.5 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.67(s,2H,CH2),7.00-7.03 (s,1H,Ar-H),7.09-7.46(m,4H,Ar-H),7.46(d,1H,Ar-H),7.73-7.75(d,1H,Ar-H),7.66- 7.67 (d, 1H, Ar-H), 10.35 (s, 1H, NH), 10.44 (s, 1H, NH), 10.93 (s, 1H, indole-NH);m/z 363.0(M++2)。
N'-(2-(1H-indol-3-yl) acetyl group)-4-phenylbenzohydrazide (Formulas I-33), white solid, productivity: 92%, mp:221.0-222.0 DEG C;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.74(s,2H,CH2),7.04(s,1H, Ar-H),7.12(s,1H,Ar-H),7.37-7.48(m,4H,Ar-H),7.65-7.67(m,4H,Ar-H),7.72-7.75(t, 3H, Ar-H), 8.00-8.02 (d, 2H, Ar-H), 10.28 (s, 1H, NH), 10.52 (s, 1H, NH), 10.91 (s, 1H, indole- NH);m/z 370.2[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-1-naphthoyl hydrazine (Formulas I-34), white solid, productivity: 93%, mp: 203.0-204.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.67(s,2H,CH2),7.08(s,1H,Ar-H), 7.16-7.19(m,1H,Ar-H),7.44-7.48(m,2H,Ar-H),7.58-7.64(m,4H,Ar-H),7.74-7.80(m, 2H,Ar-H),8.00-8.01(d,1H,Ar-H),8.06-8.07(d,1H,Ar-H),8.48-8.50(d,1H,Ar-H),10.38 (s, 1H, NH), 10.46 (s, 1H, NH), 11.03 (s, 1H, indole-NH);m/z 344.1[M++1]。
N'-(2-(1H-indol-3-yl) acetyl group)-2-naphthoyl hydrazine (Formulas I-35), white solid, productivity: 89%, mp: 214.0-215.0℃;1H-NMR(500MHz,DMSO-d6),δ(ppm):3.74(s,2H,CH2),7.04-7.06(s,1H,Ar- H),7.11-7.14(m,1H,Ar-H),7.38-7.42(m,2H,Ar-H),7.59-7.65(m,2H,Ar-H),7.73-7.74 (d,1H,Ar-H),7.98-8.05(m,4H,Ar-H),8.56(s,1H,Ar-H),10.29(s,1H,NH),10.61(s,1H, NH), 10.97 (s, 1H, indole-NH);m/z344.2[M++1]。
Embodiment 3
In the present embodiment, Formulas I-1 is evaluated to the external anti-HCV activity of Formulas I-35 compound, uses people's hepatocarcinoma Cell strain Huh 7.5.1 carries out cell in vitro horizontal anti-HCV activity evaluation, and method is described as follows:
Mtt assay detection drug cytotoxicity: the Huh 7.5.1 cell of trophophase of taking the logarithm, with 9 × 103Individual cells/well spreads In 96 orifice plates, after adherent 5 hours, adding 2 μ L DMSO gradient dilution medicines, 5 times of dilutions, 5 dilution factors, each gradient is provided with Three repeating holes, arrange blank (containing only culture medium), cell controls, DMSO comparison and HCV-Ab IgG positive drug profit bar simultaneously Wei Lin (Ribavirin) compares, final volume 200 μ L/ hole.Culture plate is placed in 37 DEG C, 5%CO2Incubator is cultivated.3rd It adds the 5mg/mL MTT solution of 20 μ L, 37 DEG C, 5%CO in experimental port2Hatch 4 hours.Supernatant discarded, adds 150 μ L/ The DMSO of well, after vibration is dissolved 10 minutes, measures the value of OD490 in microplate reader, and calculates with Graphad Prism 5.0 Medicine IC50 (IC50: half-inhibition concentration, the concentration by needed for cell growth inhibition 50%) value.Computing formula: cell grows Suppression ratio (%)=(1 test hole OD value/control wells OD value) × 100%.
HCV inhibition of DNA replication is tested: the Huh 7.5.1 cell of trophophase of taking the logarithm, with 9 × 103Cells/well cell spreads In 96 orifice plates, after adherent 5 hours, adding 2 μ LDMSO gradient dilution medicines, 5 times of dilutions, 5 dilution factors, each gradient is provided with three Individual repeating hole, is simultaneously introduced virus, if cell controls, virus control, HCV-Ab IgG positive control (ribavirin), DMSO comparison, eventually Volume 200 μ L/ hole.Culture plate is placed in 37 DEG C, 5%CO2Incubator is cultivated, after 3 days collect supernatant 3000rpm/min from Heart 10min, takes clarified supernatant and carries out RNA carrying capacity detection.HCV inhibition of DNA replication rate and EC50 is calculated with Graphad Prism 5.0 (EC50: half effective concentration causes the individual drug dose producing a kind of specific effect of study subject 50%).Computing formula: HCV inhibition of DNA replication rate (%)=(1-test hole HCV RNA carrying capacity/control wells HCV RNA carrying capacity) × 100%
HCV-Ab IgG evaluating drug effect: therapeutic index (Therapeutic index, TI) is that the half of cell is suppressed dense by medicine Degree IC50With the ratio of the half effective concentration to virus, representing Drug safety, this numerical value is the biggest more safe.
Using HCV-Ab IgG clinical treatment agents Ribavirin (Ribavirin) as positive control.As stated above to synthesis 35 compounds have carried out drug cytotoxicity and the screening of HCV-Ab IgG virus activity, specifically test data (IC50、EC50And SI value) See table 2, as seen from the table, 35 compounds surveyed have 10 compounds for treating indexes higher than Ribavirin, wherein live Best 5 Formula I-4, Formulas I-5, Formulas I-6, Formulas I-9 and Formulas I-14 therapeutic index of property is higher 7-75 times than ribavirin, can Primer as HCV-Ab IgG is used.
Table 2
Applicant states, the present invention illustrates the N'-of the present invention (2-(1H-indol-3-yl) acetyl by above-described embodiment Base) aromatic hydrazide kind compound and its production and use, but the invention is not limited in above-described embodiment, i.e. do not mean that this Invention has to rely on above-described embodiment and could implement.Person of ordinary skill in the field is it will be clearly understood that any to the present invention Improving, the equivalence of raw material each to product of the present invention is replaced and the interpolation of auxiliary element, concrete way choice etc., all falls within this Within the scope of bright protection domain and disclosure.

Claims (10)

1. N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound, it is characterised in that it has shown in Formulas I Structure:
In Formulas I, n=0,1 or 2;R is substituted or unsubstituted phenyl ring, substituted or unsubstituted naphthalene nucleus, substituted or do not take The anthracene nucleus in generation, substituted or unsubstituted furan nucleus, substituted or unsubstituted xenyl,In any one, described The substituent group of phenyl ring, naphthalene nucleus, anthracene nucleus, furan nucleus and xenyl is independently selected from halogen, hydroxyl, nitro, trifluoromethyl, C1-C10 Any one or the combination of at least two in alkyl or C1-C10 alkoxyl.
N'-the most according to claim 1 (2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound, its feature exists It is any one or the combination of at least two in F, Cl, Br or I in, described halogen.
N'-the most according to claim 1 and 2 (2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound, its feature Being, described N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound is to have in the compound of following structure Any one or the combination of at least two:
4. according to N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound according to any one of claim 1-3 Preparation method, it is characterised in that said method comprising the steps of:
(1) heteroauxing and C1-C5 alcohol generation esterification obtain ethychlozate ester shown in Formula II, and reaction equation is as follows:
Wherein R1For C1-C5 alkyl;
(2) ethychlozate ester shown in Formula II and hydrazine hydrate react and obtain indole acethydrazide shown in formula III, and reaction equation is as follows:
(3) being reacted by aromatic carboxylic acids shown in formula IV and chlorination reagent and prepare aryl-acyl chlorides shown in Formula V, reaction equation is as follows:
(4) reacted by indole acethydrazide shown in formula III and aryl-acyl chlorides shown in Formula V and obtain (2-(1H-indole-the 3-of N'-shown in Formulas I Base) acetyl group) aromatic hydrazide kind compound, reaction equation is as follows:
Preparation method the most according to claim 4, it is characterised in that step (1) described C1-C5 alcohol be methanol, ethanol, third Any one in alcohol, butanol or amylalcohol, preferably methanol;
Preferably, step (1) described heteroauxing is 1:(5-40 with the mol ratio of C1-C5 alcohol);
Preferably, step (1) described reaction using strong acid as catalyst, preferably concentrated sulphuric acid;
Preferably, the temperature of step (1) described reaction is 50-80 DEG C;
Preferably, the time of step (1) described reaction is 1-8 hour.
6. according to the preparation method described in claim 4 or 5, it is characterised in that ethychlozate ester shown in step (2) described Formula II It is 1:(1-4 with the mol ratio of hydrazine hydrate);
Preferably, in step (2) described reaction, solvent for use is ethylene glycol monomethyl ether;
Preferably, the temperature of step (2) described reaction is 110-130 DEG C;
Preferably, the time of step (2) described reaction is 5-24 hour.
7. according to the preparation method according to any one of claim 4-6, it is characterised in that step (3) described chlorination reagent is Any one or the combination of at least two, preferably thionyl chloride in thionyl chloride, Phosphorous chloride. or phosphorus pentachloride;
Preferably, step (3) described aromatic carboxylic acids is 1:(2-6 with the mol ratio of chlorination reagent);
Preferably, in step (3) described reaction, solvent for use is oxolane;
Preferably, the temperature of step (3) described reaction is 60-90 DEG C;
Preferably, the time of step (3) described reaction is 5-20 hour.
8. according to the preparation method according to any one of claim 4-7, it is characterised in that step (4) described indole acethydrazide It is 1:(1-1.5 with the mol ratio of aryl-acyl chlorides).
9. according to the preparation method according to any one of claim 4-7, it is characterised in that step (4) described reaction is in alkalescence Carry out in the presence of reagent;
Preferably, described alkaline reagent is triethylamine;
Preferably, described alkaline reagent is 1:(1-3 with the mol ratio of indole acethydrazide);
Preferably, the temperature of step (4) described reaction is 0-30 DEG C;
Preferably, the time of step (4) described reaction is 5-24 hour.
10. according to N'-(2-(1H-indol-3-yl) acetyl group) aromatic hydrazide kind compound according to any one of claim 1-3 Purposes in preparing anti hepatitis C virus drug.
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CN106377526A (en) * 2016-08-30 2017-02-08 白强 Pharmaceutical composition for promoting stroke patient nerve regeneration and use thereof
CN106474113A (en) * 2016-08-30 2017-03-08 白强 A kind of pharmaceutical composition for neuranagenesis after cerebral infarction and its application
CN106474113B (en) * 2016-08-30 2019-02-26 徐州医科大学 A kind of pharmaceutical composition and its application for nerve regneration after cerebral arterial thrombosis
CN106389419A (en) * 2016-08-31 2017-02-15 段占娥 Application of arylhydrazide compound in treatment of acute myocardial ischemic coronary heart disease
CN106474112A (en) * 2016-08-31 2017-03-08 段占娥 A kind of pharmaceutical composition of anti-acute myocardial ischemia coronary heart disease and its application
CN107602662A (en) * 2017-08-17 2018-01-19 河南师范大学 A kind of preparation method of fragrant hydrazides macrocyclic compounds
CN112624938A (en) * 2020-07-20 2021-04-09 南开大学 Novel method for synthesizing ethyl hydrazine dihydrochloride
CN112624938B (en) * 2020-07-20 2022-12-30 南开大学 Novel method for synthesizing ethyl hydrazine dihydrochloride

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