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CN103570672A - Benzoyl hydrazine compound containing thiophene ring, and preparation method and application of compound - Google Patents

Benzoyl hydrazine compound containing thiophene ring, and preparation method and application of compound Download PDF

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CN103570672A
CN103570672A CN201310574554.8A CN201310574554A CN103570672A CN 103570672 A CN103570672 A CN 103570672A CN 201310574554 A CN201310574554 A CN 201310574554A CN 103570672 A CN103570672 A CN 103570672A
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thiophene ring
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崔紫宁
周佳暖
刘诗胤
程莹莹
陈少华
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South China Agricultural University
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
    • C07D333/38Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/10Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with sulfur as the ring hetero atom

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Abstract

本发明公开了一种含噻吩环苯甲酰肼类化合物及其制备方法和应用。该类化合物的结构通式如式Ⅰ或式Ⅱ所示。所述含噻吩环苯甲酰肼类化合物制备方法包括:在稀释剂和缚酸剂存在下,由式Ⅳ化合物与叔丁基肼盐酸盐进行反应而得。所述含噻吩环苯甲酰肼类化合物对粘虫、小菜蛾和蚊幼虫有明显防治效果,可以作为农用杀虫剂应用于植物虫害的防治;同时所述含噻吩环苯甲酰肼类化合物对HL-60人白血病细胞,BGC-823人胃癌细胞,Bel-7402人肝癌细胞,KB人鼻咽癌细胞有抑制效果,在抗肿瘤活性方面有应用前景。 The invention discloses a benzohydrazide compound containing a thiophene ring, a preparation method and application thereof. The general structural formula of this type of compound is shown in formula I or formula II. The preparation method of the thiophene ring-containing benzohydrazine compound comprises: reacting the compound of formula IV with tert-butylhydrazine hydrochloride in the presence of a diluent and an acid-binding agent. The thiophene ring-containing benzohydrazide compound has obvious control effects on armyworm, diamondback moth and mosquito larvae, and can be used as an agricultural insecticide for the control of plant pests; at the same time, the thiophene ring-containing benzohydrazide compound It has inhibitory effects on HL-60 human leukemia cells, BGC-823 human gastric cancer cells, Bel-7402 human liver cancer cells, and KB human nasopharyngeal carcinoma cells, and has application prospects in anti-tumor activity.

Description

A kind of containing thiphene ring benzoyl hydrazine compounds and its preparation method and application
Technical field
The invention belongs to the synthetic field of heterogeneous ring compound, particularly a kind of containing thiphene ring benzoyl hydrazine compounds and its preparation method and application.
Background technology
In recent years, heterogeneous ring compound occupies very consequence in novel ultra-high efficiency agricultural chemicals initiative, when searching novel structure has bioactive compound, design and synthetic various heterogeneous ring compounds are one of very important approach, already become quite active field ((a) new heterocyclic pesticide-sterilant, Song Baoan chief editor, Chemical Industry Press, 2009; (b) new heterocyclic pesticide-sterilant, Song Baoan, Jin Linjiang chief editor, Chemical Industry Press, 2010; (c) new heterocyclic pesticide-weedicide, Song Baoan, Wu Jian chief editor, Chemical Industry Press, 2011).In heterogeneous ring compound, sulfur heterocyclic compound more and more receives investigator's concern, thiophenes is wherein efficient because having, low toxicity, good biological activity and the various feature of structural changes, agricultural chemicals and medical aspect have a wide range of applications, be the focus and emphasis of organic chemistry research always.
Aspect medical, the microbiotic that contains thiphene ring often has better curative effect than the microbiotic that contains phenyl ring.Some anti-inflammation and analgesic drugs evident in efficacy as: sutoprofen (1), sufentanil (2), tiaprofenic acid (3) etc. are the derivative of thiophene.
Figure BDA0000415086360000011
Aspect agricultural chemicals, up to the present, there have been 3 compounds that contain thiphene ring successfully to be developed and become sterilant, they are respectively: the Guardian (ethaboxam of Korea S LG chemical company exploitation in 1994,4), the Silthiopham (silthiopham, 5) of Monsanto Company's exploitation in 1994, the pyrrole metsulfovax (penthiopyrad, 6) of 1996 Nian You Mitsui chemical companies exploitation.
Figure BDA0000415086360000012
Figure BDA0000415086360000021
3 compounds containing thiophene-based are successfully developed as weedicide, they are respectively: the thifensulfuron methyl (thifensulfuron of 1979 Nian You du pont company (Du Pont) exploitation, 7), the dimethenamid (dimethenamid of nineteen eighty-two Switzerland Shandeshi company (Sandoz Ltd.) exploitation, 8) and the thenylchlor (thenylchlor, 9) of day nineteen eighty-three Bender mountain (Tokuyama) Co., Ltd. exploitation.
Figure BDA0000415086360000022
Application aspect sterilant, can trace back to French Russell in 1974---You Ke good fortune company Development and Production containing the thiophene chrysanthemum ester derivative chrysanthemum ester (kadathrin, 10) that overcomes the enemy.Early 1980s, carried out the research of thiophenes insecticidal activity abroad, find that these compounds have significant photoactivation toxic action to mosquitos and flies ovum, larva.Lepidoptera pest is also shown obvious photoactivation toxicity and growing of its larva played to restraining effect.1987, the Philips-Duphar B.V. company of Holland developed sterilant thicyofen (thicyofen, 11), has mechanism of action novelty, and to features such as people and animals' low toxicities, this compound also has good fungicidal activity simultaneously.Thereby caused scientific research personnel to thiophene derivants the extensive concern as sterilant.
Figure BDA0000415086360000023
Because thiphene ring itself has good biological activity, and thiphene ring has aromaticity, and in its sulphur atom, sp2 track exists a pair of lone-pair electron, can participate in the formation of hydrogen bond in organism, increases the interaction between giving and accepting, and contributes to improve biological activity.Thiophene-based structure is started late on pesticide research, and therefore, the thiophenes of practical application is fewer.
Summary of the invention
The object of the present invention is to provide a kind of thiphene ring benzoyl hydrazine compounds that contains, this compound has good biological activity, can be for agricultural insecticide or anti-tumor activity inhibitor.
Another object of the present invention is to provide the described preparation method containing thiphene ring benzoyl hydrazine compounds.
Another object of the present invention is to provide the described application containing thiphene ring benzoyl hydrazine compounds.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A thiphene ring benzoyl hydrazine compounds, described have suc as formula structure shown in I or formula II containing thiphene ring benzoyl hydrazine compounds:
Figure BDA0000415086360000031
Described R base is one or more, and described R base is alkyl or the alkoxyl group that hydrogen, halogen, nitro, hydroxyl, carbonatoms are 1~4.
As a kind of preferred version, described R base is preferably hydrogen, 4-methoxyl group, 2-chloro, 3-chloro, 4-chloro, 4-bromo, 4-methyl, 2-is fluorine-based, 3-is fluorine-based, 4-is fluorine-based, 2, and 4-bis-is fluorine-based, 2, and 6-bis-is fluorine-based, 2-nitro, 3-nitro or 4-nitro.
As a kind of more preferably scheme, described R base more preferably 2-chloro, 3-chloro, 4-chloro, 2-is fluorine-based, 3-is fluorine-based, 4-is fluorine-based, 2,4-bis-is fluorine-based or 2,6-bis-is fluorine-based.
A described preparation method containing thiphene ring benzoyl hydrazine compounds, comprises the steps:
S1. under thinner exists, compound and SOCl shown in formula III 2reaction, preparation formula IV compound;
S2. under thinner and acid binding agent existence, formula IV compound reacts with tertiary butyl hydrazine hydrochloride, and separation obtains formula I and formula II compound;
Figure BDA0000415086360000032
Figure BDA0000415086360000041
Described R base is one or more, and described R base is alkyl or the alkoxyl group that hydrogen, halogen, nitro, hydroxyl, carbonatoms are 1~4.
The i.e. following reaction of experience:
Figure BDA0000415086360000042
The preparation method of formula III compound can carry out with reference to prior art; for example; R is that the phenyl substituted thiophene formic acid of hydrogen can be starting raw material from thiophenic acid; through Meerwein arylation reaction make (referring to: for example; (a) J.Agric.Food Chem.; 2012,60 (47), 11649-11656; (b) Eur.J.Med.Chem., 2010,45 (12), 5576-5584; (c) Collection Czechoslov Chemical Communication, 1974,39 (3), 767-771).The thiophenic acid that the phenyl that all the other R make for other substituting group replaces also can prepare with reference to aforesaid method.
Tertiary butyl hydrazine generally exists with the form of hydrochlorate.As a kind of preferred version, the described preparation method containing thiphene ring benzoyl hydrazine compounds is preferably, first thinner is mixed with tertiary butyl hydrazine hydrochloride, slowly add part acid binding agent, tertiary butyl hydrazine is discharged, slowly add again compound shown in formula IV and remaining acid binding agent, temperature reaction.
Described thinner is inert organic solvents, as a kind of preferred version, described thinner is selected from benzene, toluene, dimethylbenzene, chlorobenzene, dichlorobenzene, sherwood oil, hexane, hexanaphthene, methylene dichloride, chloroform, tetracol phenixin, ether, diisopropyl ether, dioxan, tetrahydrofuran (THF), glycol dimethyl ether, ethylene glycol diethyl ether, acetone, butanone, mibk, acetonitrile, propionitrile, butyronitrile, N, dinethylformamide, N, N-N,N-DIMETHYLACETAMIDE, N-methyl-formylaniline, N-Methyl pyrrolidone, HMPA, methyl acetate, ethyl acetate, dimethyl sulfoxide (DMSO), methyl alcohol, ethanol, n-propyl alcohol, Virahol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether or diethylene glycol monoethyl ether.
As a kind of more preferably scheme, described thinner is selected from benzene, toluene or tetrahydrofuran (THF).
The carrying out that is conducive to reaction under the existence of acid binding agent.As a kind of preferred version, described acid binding agent is preferably sodium hydroxide, salt of wormwood, sodium ethylate, triethylamine, Trimethylamine 99, Tributylamine, pyridine, N, accelerine, N, N-dimethyl benzylamine, N-methyl piperidine, N-methylmorpholine, N, N-dimethyl aminopyridine, diazabicyclooctane, Diazabicyclononene or diazabicylo undecylene.
As a kind of most preferably scheme, described acid binding agent most preferably is sodium hydroxide.
S2. in, the temperature of reaction that formula IV compound reacts with tertiary butyl hydrazine hydrochloride can be carried out according to the selection of thinner under wider scope, is preferably 0~160 ℃.As a kind of more preferably scheme, more preferably 0~30 ℃.
S2., in, the reaction times that compound shown in formula IV reacts with tertiary butyl hydrazine hydrochloride is 3~15 hours.More preferably 10 hours.
As a kind of preferred version, in S1., the mol ratio of compound shown in thinner, formula III and SOCl2 is preferably: 40~80:1~1.5:1~3.
As a kind of more preferably scheme, in S1., the mol ratio of compound shown in thinner, formula III and SOCl2 more preferably: 60:1:1.5.
As a kind of preferred version, in S2., the mol ratio of compound shown in thinner, formula IV and tertiary butyl hydrazine hydrochloride is preferably: 40~80:1~1.5:1~5.
As a kind of more preferably scheme, in S2., the mol ratio of compound shown in thinner, formula IV and tertiary butyl hydrazine hydrochloride more preferably: 60:1:2.5.
Described containing the application of thiphene ring benzoyl hydrazine compounds in preparing agricultural insecticide or anti-tumor activity inhibitor.
The preparation method of compound of the present invention is simple, and productive rate is high, the experiment proved that, it has good preventive effect to lepidopteran and Diptera pest.This compounds has good restraining effect to the growth of tumour cell simultaneously.As a kind of preferred version, described agricultural insecticide for insect be mythimna separata, small cabbage moth or mosquito larvae; Described anti-tumor activity inhibitor for tumor cell line be human leukemia cell line (HL-60), SGC-7901 (BGC-823), Bel7402 (Bel-7402) or CNE cell line (KB).
R is that the fluorine-based formula I compound of 2,4-bis-all has obvious prevention effect to mythimna separata, small cabbage moth or mosquito larvae especially; R is that the formula I compound of 4-chloro all has obvious inhibition to Bel7402 (Bel-7402) or CNE cell line (KB).
Compared with prior art, the present invention has following beneficial effect:
The present invention discloses a kind of containing thiphene ring benzoyl hydrazine compounds, and described have good biological activity containing thiphene ring benzoyl hydrazine compounds novel structure, can be for agricultural insecticide or anti-tumor activity inhibitor.The described preparation method containing thiphene ring benzoyl hydrazine compounds is simple, and productive rate is high.Expanded the application prospect of thiophene-based structure aspect agricultural chemicals or antitumor drug.
Embodiment
Below in conjunction with specific embodiment, the present invention is further explained, but embodiments of the present invention is not limited in any way.Unless stated otherwise, in embodiment, related reagent, method is the conventional reagent in this area and method.
The embodiment 1:N-tertiary butyl-3-(2 '-chloro-phenyl-) thiophene-2-formyl hydrazine (I-1) and N '-tertiary butyl-3-(2 '-chloro-phenyl-) preparation of thiophene-2-formyl hydrazine (II-11)
Figure BDA0000415086360000061
In being housed, the 50ml there-necked flask of thermometer adds 15mmol tertiary butyl hydrazine hydrochloride and 10ml methylene dichloride, stirring is cooled to 0 ℃, drip 10% (wt.) aqueous sodium hydroxide solution containing 15mmol sodium hydroxide, control rate of addition, make temperature remain on 0 ℃ of left and right.Dropwise rear stirring 30min.Maintenance system temperature, at 0 ℃, drips the dichloromethane solution that contains 7.5mmol2-chloro-phenyl-thiophene chloride and 10% (wt.) aqueous sodium hydroxide solution that contains 7.5mmol sodium hydroxide simultaneously.Control rate of addition, both are added simultaneously.Dropwise, slowly rise to room temperature, at 25 ℃ of reaction 9.5~10h.Filter, after organic layer washing, by dried over mgso, spend the night.After leaching siccative, steam solvent, obtain faint yellow solid.With silicagel column (eluent is V sherwood oil/V ethyl acetate=3/1) separation, obtain I-1 and II-1 compound, yield: 58%(I-1), 25.8% (II-1) fusing point: 187~188 ℃ (I-1), 201~202 ℃ (II-1).
According to the similar method of embodiment 1, only by the R in compound shown in formula I and II according to replacing shown in table 1, obtain product shown in corresponding formula I and II.The outward appearance of above-claimed cpd, productive rate and ultimate analysis value are all listed in table 1, and nucleus magnetic hydrogen spectrum detected result is all listed in table 2.As from the foregoing, above-claimed cpd structure is correct, is compound shown in formula I and II.
The physicochemical constant of compound shown in table 1 formula I and II and ultimate analysis data
Figure BDA0000415086360000081
Infrared and the proton nmr spectra data of compound shown in table 2 formula I and II
Figure BDA0000415086360000082
Figure BDA0000415086360000091
Figure BDA0000415086360000101
Figure BDA0000415086360000111
Figure BDA0000415086360000121
Shown in embodiment 2 formula I and II, contain the insecticidal activity of thiphene ring benzoyl hydrazine compounds to small cabbage moth
Experiment examination worm: small cabbage moth (Plutella xylostella Linnaeus), at indoor brassicaceous vegetable blade, to raise, raising condition is room temperature (27 ± 1) ℃, and humidity is 80%, and intensity of illumination is 2000lux, and light application time is 12h every day.Under indoor feeding condition, with worm age, body weight and 2 consistent instar larvaes of physiological situation, carry out the test of medicament screening active ingredients.
Proved recipe method: adopt pickling process, carry out the indoor general sieve activity test of compound.With punch tool device, clean cabbage leaves is broken into diameter 2cm leaf dish, in liquid, flood 5s, dry posterior lobe and put into the diameter 6cm culture dish that is added with moisturizing filter paper on dorsad, 10 of access small cabbage moth 2 instar larvaes, put into (27 ± 1) ℃ illumination box after adding a cover.Check result after 72h.Dead judging criterion is: touch polypide, the insect individuality that can not normally creep is considered as dead individual.
Shown in embodiment 3 formula I and II, contain the insecticidal activity of thiphene ring benzoyl hydrazine compounds to mythimna separata
Experiment examination worm: mythimna separata (Mythimna separata) 3 instar larvaes (being indoor with fresh corn leaf raising sensitive strain for many years)
Experimental technique: adopt Potter spray method, carry out the indoor general sieve activity test of compound.Take appropriate reagent agent, dissolve, then add a small amount of tween 80 emulsifying agent with dimethyl formamide, stir, add quantitative clear water, being mixed with concentration is the confession reagent liquid of 200mg/L.Test method adopts Potter spray method (seeing SCBZ/CH-HN-2000-001 bar), observes examination worm every day and grows and death condition, checks and record death condition after 6d.
Shown in embodiment 4 formula I and II, contain the insecticidal activity of thiphene ring benzoyl hydrazine compounds to mosquito larvae
Experiment examination worm: culex pipiens pallens (Culex pipiens pallens) four-age larva
Experimental technique: employing immersion method, carry out the indoor general sieve activity test of compound.By (waist chap) in 4 ages 10 larvas, put into the beaker of the standing tap water of 99.5mL (tap water is placed more than 1 month), active compound experiment repeats 4 times.Every glass of acetone liquid of putting into 0.5mL2000mg/L (2000mg/L) concentration, and do blank with 0.5mL acetone soln, add a small amount of mosquito feed and sucking-off mosquito pupa every day, and the moisture evaporating in supplementary beaker (5mL/ days), until mosquito larvae is all dead or pupate.
The compounds of this invention is prevented and treated the selection result in Table 3 to confession examination insect.
Compound shown in table 3 formula I and II is to supplying examination pest control the selection result
Figure BDA0000415086360000141
Figure BDA0000415086360000151
As can be seen from Table 3, shown in formula I and II, compound generally has good insecticidal activity, and wherein I-No. 7 compound has obvious insecticidal activity to the insect of test, approaches or surpass the preventive effect of contrast sterilant RH-5849.
Embodiment 5: the antitumor cytolytic activity of compound shown in formula I and II
For trying tumour cell: HL-60 human leukemia cell, BGC-823 gastric carcinoma cells, Bel-7402 human liver cancer cell, KB KB cell.
Sample test concentration: 10 μ M.
Test method: adopt MTT (tetramethyl-azo azoles salt) method or SRB (sulphonyl rhodamine B) method, carry out the anti-tumor activity test of compound.
Adopt MTT(J.Immunol.Methods1986,89 (2): 271-277) method, the vegetative period tumor cell line of taking the logarithm is seeded on 96 well culture plates and cultivates.After adherent, add test-compound, cultivate 72h, add MTT.After 4h, remove nutrient solution, add acidifying Virahol, after vibration, under microplate reader 570nm wavelength, measure absorbancy (OD).According to following formula, calculate inhibiting rate:
Inhibiting rate=(experimental group OD value/control group OD value) * 100%
Adopt SRB(J.Natl.Cancer Inst.1991,83 (11): 757-766) method, the vegetative period tumor cell line of taking the logarithm is seeded on 96 well culture plates, adds the test-compound of design flow after 24h.After cultivating 48h, add Tricholroacetic Acid, place 1h for 4 ℃.Then water rinses precipitation, and room temperature control is dry, adds SRB.After 10min, with 1% acetic acid, rinse, finally add 10mmol/L Tris solution, vibration is measured OD under microplate reader 540nm wavelength.According to above formula, calculate inhibiting rate.
The compounds of this invention is prevented and treated the selection result in Table 4 to confession examination tumor cell line.
Compound shown in table 4 formula I and II is to the selection result of preventing and treating for examination tumor cell line
Figure BDA0000415086360000171
As can be seen from Table 4, shown in formula I and II, compound generally has good anti-tumor activity, wherein I-No. 3 compound has obvious inhibition activity to Bel-7402 and KB, approach or be better than contrasting the preventive effect of Doxorubicin, the inhibition activity of chemical compounds I-2 and I-6 couple KB is better than contrasting Doxorubicin, has good application prospect.

Claims (10)

1.一种含噻吩环苯甲酰肼类化合物,其特征在于,所述含噻吩环苯甲酰肼类化合物具有如式Ⅰ或式Ⅱ所示结构:  1. A thiophene ring-containing benzohydrazide compound, characterized in that, the thiophene ring-containing benzohydrazide compound has a structure as shown in formula I or formula II:
Figure FDA0000415086350000011
Figure FDA0000415086350000011
所述R基为一个或多个,所述R基为氢、卤素、硝基、羟基、碳原子数为1~4的烷基或烷氧基。  The R group is one or more, and the R group is hydrogen, halogen, nitro, hydroxyl, alkyl or alkoxy with 1 to 4 carbon atoms. the
2.根据权利要求1所述含噻吩环苯甲酰肼类化合物,其特征在于,所述R基为氢、4-甲氧基、2-氯基、3-氯基、4-氯基、4-溴基、4-甲基、2-氟基、3-氟基、4-氟基、2,4-二氟基、2,6-二氟基、2-硝基、3-硝基或4-硝基。  2. according to the described thiophene ring-containing benzohydrazine compound of claim 1, it is characterized in that, described R group is hydrogen, 4-methoxyl group, 2-chloro group, 3-chloro group, 4-chloro group, 4-bromo, 4-methyl, 2-fluoro, 3-fluoro, 4-fluoro, 2,4-difluoro, 2,6-difluoro, 2-nitro, 3-nitro or 4-nitro. the 3.一种权利要求1或2所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,包括如下步骤:  3. a preparation method containing thiophene ring benzohydrazine compound described in claim 1 or 2, is characterized in that, comprises the steps: S1.在稀释剂存在下,式Ⅲ所示化合物与SOCl2反应,制备式Ⅳ化合物;  S1. In the presence of a diluent, the compound shown in formula III reacts with SOCl to prepare the compound of formula IV; S2.在稀释剂和缚酸剂存在下,式Ⅳ化合物与叔丁基肼盐酸盐进行反应,分离得到式Ⅰ和式Ⅱ化合物;  S2. In the presence of a diluent and an acid-binding agent, the compound of formula IV is reacted with tert-butylhydrazine hydrochloride, and the compound of formula I and formula II is isolated;
Figure FDA0000415086350000012
Figure FDA0000415086350000012
所述R基为一个或多个,所述R基为氢、卤素、硝基、羟基、碳原子数为1~4的烷基或烷氧基。  The R group is one or more, and the R group is hydrogen, halogen, nitro, hydroxyl, alkyl or alkoxy with 1 to 4 carbon atoms. the
4.根据权利要求3所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,所述稀释剂为所述稀释剂选自苯、甲苯、二甲苯、氯苯、二氯苯、石油醚、己烷、环己烷、二氯甲烷、氯仿、四氯化碳、乙醚、二异丙醚、二恶烷、四氢呋喃、乙二醇二甲醚、乙二醇二乙醚、丙酮、丁酮、甲基异丁酮、乙腈、丙腈、丁腈、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺、N-甲基-甲酰苯胺、N-甲基吡咯烷酮、六甲基磷酰三胺、乙酸甲酯、乙酸乙酯、二甲基亚砜、甲醇、乙醇、正丙醇、异丙醇、乙二醇单甲醚、乙二醇单乙醚、二乙二醇单甲醚或二乙二醇单乙醚。  4. according to the preparation method of the described thiophene ring benzohydrazide compound containing thiophene ring of claim 3, it is characterized in that, described thinner is that described thinner is selected from benzene, toluene, xylene, chlorobenzene, dichlorobenzene, Petroleum ether, hexane, cyclohexane, dichloromethane, chloroform, carbon tetrachloride, diethyl ether, diisopropyl ether, dioxane, tetrahydrofuran, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, acetone, butyl Ketone, methyl isobutyl ketone, acetonitrile, propionitrile, butyronitrile, N,N-dimethylformamide, N,N-dimethylacetamide, N-methyl-formanilide, N-methylpyrrolidone , Hexamethylphosphoric triamide, methyl acetate, ethyl acetate, dimethyl sulfoxide, methanol, ethanol, n-propanol, isopropanol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethyl Glycol monomethyl ether or diethylene glycol monoethyl ether. the 5.根据权利要求3所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,所述缚酸剂为氢氧化钠、碳酸钾、乙醇钠、三乙胺、三甲胺、三丁胺、吡啶、N,N-二甲基苯胺、N,N-二甲基苄胺、N-甲基哌啶、N-甲基吗啉、N,N-二甲基氨基吡啶、二氮杂二环辛烷、二氮杂二环壬烯或二氮杂二环十一碳烯。  5. according to the preparation method of the described thiophene ring-containing benzohydrazine compound of claim 3, it is characterized in that, described acid-binding agent is sodium hydroxide, potassium carbonate, sodium ethylate, triethylamine, trimethylamine, tributylamine Amine, pyridine, N,N-dimethylaniline, N,N-dimethylbenzylamine, N-methylpiperidine, N-methylmorpholine, N,N-dimethylaminopyridine, diazepine Bicyclooctane, diazabicyclononene or diazabicycloundecene. the 6.根据权利要求3所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,S2.中,反应温度为0~160℃。  6. The preparation method of the thiophene ring-containing benzohydrazide compound according to claim 3, characterized in that, in S2., the reaction temperature is 0-160°C. the 7.根据权利要求3所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,S2.中,反应时间为3~15小时。  7. The preparation method of the thiophene ring-containing benzohydrazine compound according to claim 3, characterized in that, in S2., the reaction time is 3 to 15 hours. the 8.根据权利要求3所述含噻吩环苯甲酰肼类化合物的制备方法,其特征在于,S1.中稀释剂、式Ⅲ所示化合物与SOCl2的摩尔比为:40~80:1~1.5:1~3;  8. according to the preparation method of the described thiophene ring-containing benzohydrazine compound of claim 3, it is characterized in that, in S1., the compound shown in diluent, formula III and SOCl mol ratio is: 40~80:1~ 1.5:1~3; S2.中稀释剂、式IV所示化合物与叔丁基肼盐酸盐的摩尔比为:40~80:1~1.5:1~5。  S2. The molar ratio of the diluent, the compound represented by formula IV and tert-butylhydrazine hydrochloride is: 40-80:1-1.5:1-5. the 9.权利要求1或2所述含噻吩环苯甲酰肼类化合物在制备农用杀虫剂或抗肿瘤活性抑制剂中的应用。  9. The use of the thiophene ring-containing benzohydrazide compound according to claim 1 or 2 in the preparation of agricultural insecticides or antitumor activity inhibitors. the 10.根据权利要求9所述的应用,其特征在于,所述农用杀虫剂针对的害虫为粘虫、小菜蛾或蚊幼虫;所述抗肿瘤活性抑制剂针对的肿瘤细胞系为人白血病细胞系、人胃癌细胞系、人肝癌细胞系或人鼻咽癌细胞系。 10. application according to claim 9, is characterized in that, the pest that described agricultural pesticide is aimed at is armyworm, diamondback moth or mosquito larvae; The tumor cell line that described antitumor activity inhibitor is aimed at is human leukemia cell line , a human gastric cancer cell line, a human liver cancer cell line or a human nasopharyngeal cancer cell line.
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