CN103641803A - 一种含取代苯肼的呋喃二酮类化合物、制备方法及应用 - Google Patents
一种含取代苯肼的呋喃二酮类化合物、制备方法及应用 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom 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
- C07D307/60—Two oxygen atoms, e.g. succinic anhydride
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, 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
- A01N43/04—Biocides, 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
- A01N43/06—Biocides, 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
- A01N43/08—Biocides, 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 oxygen as the ring hetero atom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
本发明属于杀菌剂领域,公开了一种含取代苯肼的呋喃二酮类化合物、制备方法和应用。该化合物结构如式(I)所示:
Description
技术领域
本发明涉及一种含取代苯肼的呋喃二酮类化合物、制备方法及其在防治植物病原真菌方面的应用,具有制备农药杀菌剂的用途。
背景技术
呋喃二酮类化合物广泛存在于海绵、酵母菌和链霉菌的代谢产物中,这类化合物具有广泛的生物活性,如抗菌、抗肿瘤、杀虫杀螨等活性。Benedict R.G.等(J.Pharm.Sci.,1972,1820)发现枕酸甲酯(Vulpinic acid)对革兰氏阳性菌具有良好的抗菌活性。Romano Andrade等(Aust.J.Chem.,1997,50,255)从Trichodermalongibrachiatum中提取出两种呋喃二酮衍生物,发现其对于美洲咖啡叶斑病的致病真菌Mycena citricolor有良好的抗性。专利CN103183628A介绍了一种含取代苯肼的吡咯烷-2,4-二酮类化合物,该类化合物具有优异的杀菌活性。
发明内容
本发明的目的在于提供一种含取代苯肼的呋喃二酮类化合物。
本发明的另一个目的在于提供含取代苯肼的呋喃二酮类化合物的制备方法。
本发明的另一个目的在于提供上述化合物的用途。
本发明的第一个方面提供了一种具有通式(I)所示结构的含取代苯肼的呋喃二酮类化合物或其异构体。
其中,
R1、R2彼此独立地表示氢、取代或未取代的C1-12烷基、取代或未取代的C3-6环烷基,所述的取代基团选自:X、R、OR、SR、N(RR’),其中X表示卤素;R、R’表示氢、未取代或被1个或多个选自卤素、N、O、S的原子取代的C1-6烷基;
Y(n)中,n=1-5取代,Y(n)选自:X、R、OR、SR、NO2、N(RR')2,其中X表示卤素;R、R’表示氢、未取代或被1个或多个选自卤素、N、O、S的原子取代的C1-6烷基。
在式(I)中,所述各个基团具有如下所述的优选定义:
R1、R2彼此独立地表示氢、C1-12烷基、C3-6环烷基;
Y(n)中,n=1-3取代,Y(n)选自:X、R、OR、NO2,其中X表示卤素;R表示未取代或被1个或多个卤素取代的C1-4烷基。
在式(I)中,所述各个基团具有如下所述的进一步优选定义:
R1、R2彼此独立地表示氢、C1-12烷基;
Y(n)中,n=1-2取代,Y(n)选自:X、R、OR,其中X表示卤素;R表示C1-4烷基。
在式(I)中,所述各个基团具有如下所述的再进一步优选定义:
R1、R2按照如下方式选取:
R1选自氢,R2选自氢、C1-12烷基;或
R1选自C1-12烷基,R2选自C1-12烷基;
Y(n)中,n=1-2取代,Y(n)选自:X、R、OR,其中X表示卤素;R代表C1-4烷基。
在式(I)中,所述各个基团具有如下所述的特别优选定义:
5-甲基-3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮。
本发明中,所述的含取代苯肼的呋喃二酮类化合物的异构体,是指几何异构体,即顺式或反式异构体,或者Z式或E式异构体,可以用下述的通式(I-1)与(I-2)表示:
其中在上述各结构式中:
R1、R2和Y(n)均具有如前所述的定义。
本发明的第二个方面提供了制备本发明的含取代苯肼的呋喃二酮类化合物(I)的方法。该方法以呋喃-2,4(3N,5H)-二酮衍生物(II)与取代苯肼盐酸盐(III)进行反应,合成含取代苯肼的呋喃二酮类化合物(I)。其反应方程式可以通过下述通式(A)表示:
其中在上式(A)的各结构式中:
R1、R2和Y(n)均具有如前所述的定义;
R3选自OH、N(R4)2、OCOR4,其中R4表示C1-6烷基。
在式(A)中,所述各个基团具有如下所述的优选定义:
R1、R2和Y(n)均具有如前所述的定义;
R3选自OH、N(R4)2,其中R4表示C1-3烷基。
在式(A)中,所述各个基团具有如下所述的进一步优选定义:
R1、R2和Y(n)均具有如前所述的定义;
R3按照如下方式选取:
R2选自C1-12烷基时,R3选自OH;或
R2选自氢时,R3选自N(CH3)2。
本发明的第三个方面涉及本发明的含取代苯肼的呋喃二酮类化合物(I)在防治植物病原真菌方面的应用,该类化合物可应用于农药领域,作为杀菌剂。
在本发明中,有害真菌的含义是指植物致病真菌。本发明的化合物在处理后可以保护植物防治和抵御上述病原菌的侵染与危害。
本发明的化合物适合于用于防治麦类作物真菌病害,如:小麦赤霉病、小麦纹枯病、小麦锈病及小麦白粉病;防治蔬菜作物真菌病害,如蔬菜灰霉病、蔬菜霜霉病、辣椒炭疽病;防治果树作物真菌病害,如苹果腐烂病、葡萄霜霉病;防治水稻作物真菌病害,如稻瘟病、水稻纹枯病。
有益效果:
1、本发明在呋喃二酮3号位的侧链上引入了取代苯肼结构单元,得到如式(I)所示的新型含取代苯肼的呋喃二酮类化合物。
2、本发明专利所述的含取代苯肼的呋喃二酮类化合物的制备方法是以呋喃二酮衍生物与取代苯肼反应合成制得。该制备方法对生产设备要求简单,反应时间短,操作十分简单。
3、本发明专利所述的含取代苯肼的呋喃二酮类化合物具有十分突出的杀真菌活性,杀菌谱广,可以为农业生产中植物保护提供有效服务。
具体实施方法
本发明的实质性特点可从下述实施例得以体现,但它不应视为是对本发明的任何限制。
制备实施例
实施例1:5-甲基-3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A
6
)的合成
将3mmol的4-氯苯肼盐酸盐和2.5mmol的5-甲基-3-(1-羟基亚乙基)呋喃-2,4(3N,5H)-二酮溶于10mL乙醇中,滴加3.6mmol三乙胺,于室温下搅拌反应,采用TLC监控反应进程。反应结束后,旋转浓缩除去乙醇,残余物用乙酸乙酯溶解,用3%稀盐酸洗涤至水层无色,收集乙酸乙酯层,蒸除溶剂,产生固体,用乙酸乙酯-石油醚重结晶,即得目标化合物A6。
黄色粉末,收率48.9%,mp132.3-135.1℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.93(s,1H,ArNHNH),7.27(d,J=8.8Hz,2H,ArH),6.74(d,J=8.8Hz,2H,ArH),6.18(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.67(s,3H,CH3C=C),1.47(d,J=7.0Hz,3H,CH3CH);Z-isomer:11.06(s,1H,ArNHNH),7.27(d,J=8.8Hz,2H,ArH),6.74(d,J=8.8Hz,2H,ArH),6.18(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.67(s,3H,CH3C=C),1.47(d,J=7.0Hz,3H,CH3CH).
采用实施例1的方法,制备了下述A、B、D、E系列的化合物:
5-甲基-3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A1):
土黄色粉末,收率42.7%,mp122.1-123.9℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.94(s,1H,ArNHNH),7.29-7.34(m,2H,ArH),7.00-7.06(m,1H,ArH),6.80(d,J=7.7Hz,2H,ArH),5.98(s,1H,ArNHNH),4.62(q,J=6.7Hz,1H,CH3CH),2.69(s,3H,CH3C=C),1.48(d,J=4.9Hz,3H,CH3CH);Z-isomer:11.09(s,1H,ArNHNH),7.29-7.34(m,2H,ArH),7.00-7.06(m,1H,ArH),6.80(d,J=7.7Hz,2H,ArH),5.96(s,1H,ArNHNH),4.62(q,J=6.7Hz,1H,CH3CH),2.70(s,3H,CH3C=C),1.49(d,J=5.2Hz,3H,CH3CH).
5-甲基-3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A2):
土黄色粉末,收率32.7%,mp128.8-130.6℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.89(s,1H,ArNHNH),7.08-7.14(m,2H,ArH),6.95-7.02(m,1H,ArH),6.81(t,J=8.0Hz,1H,ArH),6.19(s,1H,ArNHNH),4.64-4.66(m,1H,CH3CH),2.73(s,3H,CH3C=C),1.50(d,J=4.7Hz,3H,CH3CH);Z-isomer:11.04(s,1H,ArNHNH),7.08-7.14(m,2H,ArH),6.95-7.02(m,1H,ArH),6.81(t,J=8.0Hz,1H,ArH),6.19(s,1H,ArNHNH),4.60-4.62(m,1H,CH3CH),2.72(s,3H,CH3C=C),1.48(d,J=4.7Hz,3H,CH3CH).
5-甲基-3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A3):
黄色粉末,收率49.1%,mp138.8-140.3℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.92(s,1H,ArNHNH),7.02(t,J=8.5Hz,2H,ArH),6.75-6.79(m,2H,ArH),6.09(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),1.47(d,J=6.9Hz,3H,CH3CH);Z-isomer:11.12(s,1H,ArNHNH),7.02(t,J=8.5Hz,2H,ArH),6.75-6.79(m,2H,ArH),6.09(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),1.47(d,J=6.9Hz,3H,CH3CH).
5-甲基-3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A4):
浅黄色粉末,收率47.1%,mp147.7-149.7℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.91(s,1H,ArNHNH),7.37(d,J=7.9Hz,1H,ArH),7.23(d,J=7.8Hz,1H,ArH),6.98(t,J=7.6Hz,1H,ArH),6.78(d,J=8.0Hz,1H,ArH),6.44(s,1H,ArNHNH),4.64(q,J=6.8Hz,1H,CH3CH),2.70(s,3H,CH3C=C),1.49(d,J=6.8Hz,3H,CH3CH);Z-isomer:11.06(s,1H,ArNHNH),7.37(d,J=7.9Hz,1H,ArH),7.23(d,J=7.8Hz,1H,ArH),6.98(t,J=7.6Hz,1H,ArH),6.78(d,J=8.0Hz,1H,ArH),6.44(s,1H,ArNHNH),4.64(q,J=6.8Hz,1H,CH3CH),2.70(s,3H,CH3C=C),1.49(d,J=6.8Hz,3H,CH3CH).
5-甲基-3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3H,5H)-二酮(A5):
黄色粉末,收率40.1%,mp161.2-163.0℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.92(s,1H,ArNHNH),7.20-7.26(m,1H,ArH),7.01(s,1H,ArH),6.79(d,J=1.9Hz,1H,ArH),6.68(d,J=8.2Hz,1H,ArH),6.14(s,1H,ArNHNH),4.62(q,J=7.0Hz,1H,CH3CH),2.67(s,3H,CH3C=C),1.48(d,J=4.8Hz,3H,CH3CH);Z-isomer:11.06(s,1H,ArNHNH),7.20-7.26(m,1H,ArH),6.99(s,1H,ArH),6.79(d,J=1.9Hz,1H,ArH),6.68(d,J=8.2Hz,1H,ArH),6.14(s,1H,ArNHNH),4.62(q,J=7.0Hz,1H,CH3CH),2.68(s,3H,CH3C=C),1.49(d,J=4.9Hz,3H,CH3CH).
5-甲基-3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3H,5H)-二酮(A7):
浅褐色粉末,收率38.9%,mp145.3-146.2℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.92(s,1H,ArNHNH),7.41(d,J=8.4Hz,2H,ArH),6.69(d,J=8.7Hz,2H,ArH),6.00(s,1H,ArNHNH),4.63(q,J=6.8Hz,1H,CH3CH),2.67(s,3H,CH3C=C),1.48(d,J=6.8Hz,3H,CH3CH);Z-isomer:11.06(s,1H,ArNHNH),7.41(d,J=8.4Hz,2H,ArH),6.69(d,J=8.7Hz,2H,ArH),6.00(s,1H,ArNHNH),4.63(q,J=6.8Hz,1H,CH3CH),2.67(s,3H,CH3C=C),1.48(d,J=6.8Hz,3H,CH3CH).
5-甲基-3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A8):
浅黄色粉末,收率40.3%;mp167.6-168.4℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.89(s,1H,ArNHNH),7.39(s,1H,ArH),7.23(d,J=1.6Hz,1H,ArH),6.72(d,J=8.7Hz,1H,ArH),6.43(s,1H,ArNHNH),4.63(q,J=6.9Hz,1H,CH3CH),2.68(s,3H,CH3C=C),1.49(d,J=6.9Hz,3H,CH3CH);Z-isomer:11.05(s,1H,ArNHNH),7.38(s,1H,ArH),7.20(d,J=1.6Hz,1H,ArH),6.72(d,J=8.7Hz,1H,ArH),6.43(s,1H,ArNHNH),4.63(q,J=6.9Hz,1H,CH3CH),2.68(s,3H,CH3C=C),1.49(d,J=6.9Hz,3H,CH3CH).
5-甲基-3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A9):
黄色粉末,收率50.3%,mp145.4-146.5℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.92(s,1H,ArNHNH),7.11(d,J=8.2Hz,2H,ArH),6.70(d,J=8.4Hz,2H,ArH),5.92(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),2.30(s,3H,ArCH3),1.48(d,J=7.0Hz,3H,CH3CH);Z-isomer:11.07(s,1H,ArNHNH),7.11(d,J=8.2Hz,2H,ArH),6.70(d,J=8.4Hz,2H,ArH),5.92(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),2.30(s,3H,ArCH3),1.48(d,J=7.0Hz,3H,CH3CH).
5-甲基-3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(A10):
亮黄色粉末,收率43.9%,mp120.8-122.2℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.88(s,1H,ArNHNH),7.05(d,J=8.0Hz,1H,ArH),6.58(s,1H,ArH),6.58(d,J=2.04Hz,1H,ArH),6.54(dd,J=2.37,8.30Hz,1H,ArH),5.84(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),2.22(d,J=11.8Hz,6H,Ar(CH3)2),1.48(d,J=7.0Hz,3H,CH3CH);Z-isomer:11.08(s,1H,ArNHNH),7.05(d,J=8.0Hz,1H,ArH),6.58(d,J=2.04Hz,1H,ArH),6.54(dd,J=2.37,8.30Hz,1H,ArH),5.84(s,1H,ArNHNH),4.61(q,J=6.9Hz,1H,CH3CH),2.69(s,3H,CH3C=C),2.22(d,J=11.8Hz,6H,Ar(CH3)2),1.48(d,J=7.0Hz,3H,CH3CH).
5-甲基-3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3H,5H)-二酮(A11):
黄色粉末,收率45.9%,mp124.4-126.3℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.93(s,1H,ArNHNH),6.86(d,J=8.6Hz,2H,ArH),6.76(d,J=8.8Hz,2H,ArH),5.82(s,1H,ArNHNH),4.60(q,J=6.9Hz,1H,CH3CH),3.78(s,3H,ArOCH3),2.70(s,3H,CH3C=C),1.47(d,J=6.8Hz,3H,CH3CH);Z-isomer:11.07(s,1H,ArNHNH),6.86(d,J=8.6Hz,2H,ArH),6.76(d,J=8.8Hz,2H,ArH),5.82(s,1H,ArNHNH),4.60(q,J=6.9Hz,1H,CH3CH),3.78(s,3H,ArOCH3),2.70(s,3H,CH3C=C),1.47(d,J=6.8Hz,3H,CH3CH).
3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B1):
红棕色粉末,收率47.5%,mp160.8-161.9℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.97(s,1H,ArNHNH),7.32(t,J=7.9Hz,2H,ArH),7.04(t,J=7.4Hz,1H,ArH),6.80(d,J=7.9Hz,2H,ArH),6.06(s,1H,ArNHNH),4.50(s,2H,CH2),2.70(s,3H,CH3C=C);Z-isomer:11.05(s,1H,ArNHNH),7.32(t,J=7.9Hz,2H,ArH),7.04(t,J=7.4Hz,1H,ArH),6.80(d,J=7.9Hz,2H,ArH),6.06(s,1H,ArNHNH),4.50(s,2H,CH2),2.70(s,3H,CH3C=C).
3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B2):
黄色粉末,收率37.5%,mp156.7-157.1℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.92(s,1H,ArNHNH),7.08-7.14(m,2H,ArH),6.96-7.01(m,1H,ArH),6.78-6.82(m,1H,ArH),6.28(s,1H,ArNHNH),4.50(s,2H,CH2),2.73(s,3H,CH3C=C);Z-isomer:10.98(s,1H,ArNHNH),7.08-7.14(m,2H,ArH),6.96-7.01(m,1H,ArH),6.78-6.82(m,1H,ArH),6.28(s,1H,ArNHNH),4.50(s,2H,CH2),2.73(s,3H,CH3C=C).
3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B3):
黄色粉末,收率45.6%,mp145.5-146.9℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.97(s,1H,ArNHNH),7.02(t,J=8.5Hz,2H,ArH),6.5-6.78(m,2H,ArH),6.03(s,1H,ArNHNH),4.49(s,2H,CH2),2.70(s,3H,CH3C=C);Z-isomer:11.03(s,1H,ArNHNH),7.02(t,J=8.5Hz,2H,ArH),6.5-6.78(m,2H,ArH),6.03(s,1H,ArNHNH),4.49(s,2H,CH2),2.70(s,3H,CH3C=C).
3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B4):
红棕色粉末,收率51.1%,mp135.0-136.9℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.98(s,1H,ArNHNH),7.42(d,J=8.0Hz,1H,ArH),7.27(d,J=7.8Hz,1H,ArH),7.03(t,J=7.7Hz,1H,ArH),6.81(d,J=8.1Hz,1H,ArH),6.53(s,1H,ArNHNH),4.55(s,2H,CH2),2.74(s,3H,CH3C=C);Z-isomer:11.05(s,1H,ArNHNH),7.42(d,J=8.0Hz,1H,ArH),7.27(d,J=7.8Hz,1H,ArH),7.03(t,J=7.7Hz,1H,ArH),6.81(d,J=8.1Hz,1H,ArH),6.50(s,1H,ArNHNH),4.56(s,2H,CH2),2.77(s,3H,CH3C=C).
3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B5):
浅黄色粉末,收率36.2%,mp167.0-167.8℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.95(s,1H,ArNHNH),7.23(d,J=8.0Hz,1H,ArH),7.00(d,J=7.6Hz,1H,ArH),6.78(s,1H,ArH),6.68(d,J=8.0Hz,1H,ArH),6.13(s,1H,ArNHNH),4.50(s,2H,CH2),2.67(s,3H,CH3C=C);Z-isomer:11.01(s,1H,ArNHNH),7.23(d,J=8.0Hz,1H,ArH),7.00(d,J=7.6Hz,1H,ArH),6.78(s,1H,ArH),6.68(d,J=8.0Hz,1H,ArH),6.11(s,1H,ArNHNH),4.51(s,2H,CH2),2.70(s,3H,CH3C=C).
3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B6):
橘黄色粉末,收率43.7%,mp143.2-144.5℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.95(s,1H,ArNHNH),7.27(d,J=8.1Hz,2H,ArH),6.74(d,J=8.3Hz,2H,ArH),6.08(s,1H,ArNHNH),4.50(s,2H,CH2),2.68(s,3H,CH3C=C);Z-isomer:11.01(s,1H,ArNHNH),7.27(d,J=8.1Hz,2H,ArH),6.74(d,J=8.3Hz,2H,ArH),6.08(s,1H,ArNHNH),4.50(s,2H,CH2),2.68(s,3H,CH3C=C).
3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B7):
土黄色粉末,收率48.3%,mp159.1-160.0℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.95(s,1H,ArNHNH),7.41(d,J=8.5Hz,2H,ArH),6.69(d,J=8.5Hz,2H,ArH),6.08(s,1H,ArNHNH),4.50(s,2H,CH2),2.68(s,3H,CH3C=C);Z-isomer:11.01(s,1H,ArNHNH),7.41(d,J=8.5Hz,2H,ArH),6.69(d,J=8.5Hz,2H,ArH),6.08(s,1H,ArNHNH),4.50(s,2H,CH2),2.68(s,3H,CH3C=C).
3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B8):
黄色粉末,收率43.9%,mp185.3-186.7℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.93(s,1H,ArNHNH),7.39(t,J=2.3Hz,1H,ArH),7.23(d,J=1.9Hz,1H,ArH),6.71(d,J=8.7Hz,1H,ArH),6.45(s,1H,ArNHNH),4.51(s,2H,CH2),2.68(s,3H,CH3C=C);Z-isomer:10.99(s,1H,ArNHNH),7.39(t,J=2.3Hz,1H,ArH),7.21(d,J=1.9Hz,1H,ArH),6.71(d,J=8.7Hz,1H,ArH),6.42(s,1H,ArNHNH),4.52(s,2H,CH2),2.70(s,3H,CH3C=C).
3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮(B9):
红棕色粉末,收率49.1%,mp140.8-142.8℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.95(s,1H,ArNHNH),7.11(d,J=7.7Hz,2H,ArH),6.70(d,J=8.0Hz,2H,ArH),5.91(s,1H,ArNHNH),4.48(s,2H,CH2),2.69(s,3H,CH3C=C),2.30(s,3H,ArCH3);Z-isomer:11.01(s,1H,ArNHNH),7.11(d,J=7.7Hz,2H,ArH),6.70(d,J=8.0Hz,2H,ArH),5.91(s,1H,ArNHNH),4.49(s,2H,CH2),2.72(s,3H,CH3C=C),2.30(s,3H,ArCH3).
3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3H,5H)-二酮(B10):
橘黄色粉末,收率42.4%,mp172.3-174.1℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.93(s,1H,ArNHNH),7.05(d,J=8.0Hz,1H,ArH),6.58(s,1H,ArH),6.54(d,J=8.0Hz,1H,ArH),5.87(s,1H,ArNHNH),4.48(s,2H,CH2),2.68(s,3H,CH3C=C),2.22(d,J=11.3Hz,6H,Ar(CH3)2);Z-isomer:10.99(s,1H,ArNHNH),7.05(d,J=8.0Hz,1H,ArH),6.58(s,1H,ArH),6.54(d,J=8.0Hz,1H,ArH),5.85(s,1H,ArNHNH),4.49(s,2H,CH2),2.71(s,3H,CH3C=C),2.22(d,J=11.3Hz,6H,Ar(CH3)2).
3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3H,5H)-二酮(B11):
棕色粉末,收率43.1%,mp112.0-120.0℃;1H NMR(400MHz,CDCl3)δ(ppm):E-isomer:11.94(s,1H,ArNHNH),6.86(d,J=8.9Hz,2H,ArH),6.76(d,J=8.9Hz,2H,ArH),5.87(s,1H,ArNHNH),4.48(s,2H,CH2),3.78(s,3H,OCH3),2.71(s,3H,CH3C=C);Z-isomer:11.03(s,1H,ArNHNH),6.86(d,J=8.9Hz,2H,ArH),6.76(d,J=8.9Hz,2H,ArH),5.87(s,1H,ArNHNH),4.48(s,2H,CH2),3.78(s,3H,OCH3),2.71(s,3H,CH3C=C).
3-(1-(2-苯基肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D1):
白色粉末,收率56.9%,mp153.4-154.8℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.55(s,1H,ArNHNH),7.27(t,J=7.8Hz,2H,ArH),6.91(t,J=7.3Hz,1H,ArH),6.78(d,J=7.9Hz,2H,ArH),4.49(s,2H,CH2CO),2.98(q,J=6.9Hz,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.88(s,1H,ArNHNH),8.55(s,1H,ArNHNH),7.27(t,J=7.8Hz,2H,ArH),6.91(t,J=7.3Hz,1H,ArH),6.78(d,J=7.9Hz,2H,ArH),4.49(s,2H,CH2CO),2.98(q,J=6.9Hz,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(2-氟苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D2):
白色粉末,收率56.1%,mp164.3-165.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.71(s,1H,ArNHNH),8.58(s,1H,ArNHNH),7.18-7.23(m,1H,ArH),7.10(t,J=7.6Hz,1H,ArH),6.90-6.95(m,1H,ArH),6.80(t,J=8.3Hz,1H,ArH),4.50(s,2H,CH2CO),3.00(s,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.88(s,1H,ArNHNH),8.58(s,1H,ArNHNH),7.18-7.23(m,1H,ArH),7.10(t,J=7.6Hz,1H,ArH),6.90-6.95(m,1H,ArH),6.80(t,J=8.3Hz,1H,ArH),4.50(s,2H,CH2CO),3.00(s,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(4-氟苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D3):
白色粉末,收率46.1%,mp170.8-172.8℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.50(s,1H,ArNHNH),7.12(t,J=8.8Hz,2H,ArH),6.78-6.81(m,2H,ArH),4.49(s,2H,CH2CO),2.99(d,J=6.7Hz,2H,CH2CH3),1.13(t,J=7.3Hz,3H,CH2CH3);Z-isomer:10.88(s,1H,ArNHNH),8.50(s,1H,ArNHNH),7.12(t,J=8.8Hz,2H,ArH),6.78-6.81(m,2H,ArH),4.49(s,2H,CH2CO),2.99(d,J=6.7Hz,2H,CH2CH3),1.13(t,J=7.3Hz,3H,CH2CH3).
3-(1-(2-(2-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮(D4):
白色粉末,收率45.6%,mp166.4-167.3℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.72(s,1H,ArNHNH),8.39(s,1H,ArNHNH),7.41(d,J=7.9Hz,1H,ArH),7.26(t,J=7.7Hz,1H,ArH),6.93(t,J=7.6Hz,1H,ArH),6.77(d,J=8.1Hz,1H,ArH),4.51(s,2H,CH2CO),2.97(s,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.90(s,1H,ArNHNH),8.39(s,1H,ArNHNH),7.41(d,J=7.9Hz,1H,ArH),7.26(t,J=7.7Hz,1H,ArH),6.93(t,J=7.6Hz,1H,ArH),6.77(d,J=8.1Hz,1H,ArH),4.51(s,2H,CH2CO),2.97(s,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(3-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮(D5):
黄色粉末,收率41.2%,mp125.3-126.4℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.71(s,1H,ArNHNH),8.79(s,1H,ArNHNH),7.28(t,J=8.0Hz,1H,ArH),6.93(d,J=8.0Hz,1H,ArH),6.77(s,1H,ArH),6.72(d,J=8.1Hz,1H,ArH),4.50(s,2H,CH2CO),2.96(d,J=5.0Hz,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.90(s,1H,ArNHNH),8.79(s,1H,ArNHNH),7.28(t,J=8.0Hz,1H,ArH),6.93(d,J=8.0Hz,1H,ArH),6.77(s,1H,ArH),6.72(d,J=8.1Hz,1H,ArH),4.50(s,2H,CH2CO),2.96(d,J=5.0Hz,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(4-氯苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D6):
浅黄色粉末,收率50.0%,mp174.5-175.4℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.70(s,1H,ArNHNH),7.31(d,J=8.7Hz,2H,ArH),6.79(d,J=8.6Hz,2H,ArH),4.50(s,2H,CH2CO),2.97(d,J=5.7Hz,2H,CH2CH3),1.12(t,J=7.3Hz,3H,CH2CH3);Z-isomer:10.91(s,1H,ArNHNH),8.70(s,1H,ArNHNH),7.31(d,J=8.7Hz,2H,ArH),6.79(d,J=8.6Hz,2H,ArH),4.50(s,2H,CH2CO),2.97(d,J=5.7Hz,2H,CH2CH3),1.12(t,J=7.3Hz,3H,CH2CH3).
3-(1-(2-(4-溴苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D7):
白色粉末,收率34.6%,mp175.3-176.1℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.71(s,1H,ArNHNH),8.71(s,1H,ArNHNH),7.42(d,J=8.7Hz,2H,ArH),6.73(d,J=8.7Hz,2H,ArH),4.49(s,2H,CH2CO),2.96(d,J=6.1Hz,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.88(s,1H,ArNHNH),8.71(s,1H,ArNHNH),7.42(d,J=8.7Hz,2H,ArH),6.73(d,J=8.7Hz,2H,ArH),4.49(s,2H,CH2CO),2.96(d,J=6.1Hz,2H,CH2CH3),1.11(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(2,4-二氯苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D8):
白色粉末,收率38.2%,mp179.5-181.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.68(s,1H,ArNHNH),8.53(s,1H,ArNHNH),7.56(d,J=1.6Hz,1H,ArH),7.34(d,J=2.1Hz,1H,ArH),6.77(d,J=8.7Hz,1H,ArH),4.51(s,2H,CH2CO),2.95(s,2H,CH2CH3),1.10(t,J=7.2Hz,3H,CH2CH3);Z-isomer:10.91(s,1H,ArNHNH),8.53(s,1H,ArNHNH),7.56(d,J=1.6Hz,1H,ArH),7.32(d,J=2.1Hz,1H,ArH),6.77(d,J=8.7Hz,1H,ArH),4.51(s,2H,CH2CO),2.95(s,2H,CH2CH3),1.10(t,J=7.2Hz,3H,CH2CH3).
3-(1-(2-(4-甲基苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D9):
浅黄色粉末,收率33.8%,mp149.6-150.9℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.40(s,1H,ArNHNH),7.08(d,J=8.2Hz,2H,ArH),6.69(d,J=8.3Hz,2H,ArH),4.49(s,2H,CH2CO),2.98(q,J=6.72Hz,2H,CH2CH3),2.22(s,3H,ArCH3),1.12(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.85(s,1H,ArNHNH),8.40(s,1H,ArNHNH),7.08(d,J=8.2Hz,2H,ArH),6.69(d,J=8.3Hz,2H,ArH),4.49(s,2H,CH2CO),2.98(q,J=6.72Hz,2H,CH2CH3),2.22(s,3H,ArCH3),1.12(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(3,4-二甲基苯基)肼基)亚丙基)呋喃-2,4(3H,5H)-二酮(D10):
黄色粉末,收率40.7%,mp159.3-161.1℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.33(s,1H,ArNHNH),7.02(d,J=8.1Hz,1H,ArH),6.59(s,1H,ArH),6.50(d,J=7.9Hz,1H,ArH),4.49(s,2H,CH2CO),2.98(d,J=7.0Hz,2H,CH2CH3),2.15(d,J=13.5Hz,6H,Ar(CH3)2),1.13(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.85(s,1H,ArNHNH),8.33(s,1H,ArNHNH),7.02(d,J=8.1Hz,1H,ArH),6.59(s,1H,ArH),6.50(d,J=7.9Hz,1H,ArH),4.49(s,2H,CH2CO),2.98(d,J=7.0Hz,2H,CH2CH3),2.15(d,J=13.5Hz,6H,Ar(CH3)2),1.13(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-(4-甲氧基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮(D11):
黄色粉末,收率37.7%,mp155.1-156.0℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.74(s,1H,ArNHNH),8.25(s,1H,ArNHNH),6.88(d,J=8.9Hz,2H,ArH),6.75(d,J=8.8Hz,2H,ArH),4.49(s,2H,CH2CO),3.69(s,3H,ArOCH3),3.00(d,J=7.2Hz,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3);Z-isomer:10.86(s,1H,ArNHNH),8.25(s,1H,ArNHNH),6.88(d,J=8.9Hz,2H,ArH),6.75(d,J=8.8Hz,2H,ArH),4.49(s,2H,CH2CO),3.69(s,3H,ArOCH3),3.00(d,J=7.2Hz,2H,CH2CH3),1.13(t,J=7.4Hz,3H,CH2CH3).
3-(1-(2-苯基肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E1):
白色粉末,收率42.5%,mp152.3-153.1℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.80(s,1H,ArNHNH),8.53(s,1H,ArNHNH),7.27(t,J=7.8Hz,2H,ArH),6.91(t,J=7.3Hz,1H,ArH),6.77(d,J=7.9Hz,2H,ArH),4.49(s,2H,CH2),2.96(s,2H,CH2CH2CH3),1.66-1.47(m,2H,CH2CH2CH3),0.94(t,J=7.3Hz,3H,CH2CH2CH3);Z-isomer:10.91(s,ArNHNH),8.53(s,1H,ArNHNH),7.27(t,J=7.8Hz,2H,ArH),6.91(t,J=7.3Hz,1H,ArH),6.77(d,J=7.9Hz,2H,ArH),4.49(s,2H,CH2),2.96(s,2H,CH2CH2CH3),1.66-1.47(m,2H,CH2CH2CH3),0.94(t,J=7.3Hz,3H,CH2CH2CH3).
3-(1-(2-(2-氟苯基)肼基)亚丁基)呋喃-2,4(3H,5H)-二酮(E2):
浅黄色粉末,收率37.1%,mp108.5-110.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.73(s,1H,ArNHNH),8.57(s,1H,ArNHNH),7.18-7.23(m,1H,ArH),7.10(t,J=7.7Hz,1H,ArH),6.90-6.95(m,1H,ArH),6.80(t,J=8.3Hz,1H,ArH),4.50(s,2H,CH2CO),2.97(s,2H,CH2CH2CH3),1.65-1.48(m,2H,CH2CH2CH3),0.93(t,J=7.3Hz,3H,CH2CH2CH3);Z-isomer:10.89(s,1H,ArNHNH),8.57(s,1H,ArNHNH),7.18-7.23(m,1H,ArH),7.10(t,J=7.7Hz,1H,ArH),6.90-6.95(m,1H,ArH),6.80(t,J=8.3Hz,1H,ArH),4.50(s,2H,CH2CO),2.97(s,2H,CH2CH2CH3),1.65-1.48(m,2H,CH2CH2CH3),0.93(t,J=7.3Hz,3H,CH2CH2CH3).
3-(1-(2-(4-氟苯基)肼基)亚丁基)呋喃-2,4(3H,5H)-二酮(E3):
黄色粉末,收率35.6%,mp121.1-123.0℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.77(s,1H,ArNHNH),8.49(s,1H,ArNHNH),7.12(t,J=8.8Hz,2H,ArH),6.78-6.81(m,2H,ArH),4.49(s,2H,CH2CO),2.96(s,2H,CH2CH2CH3),1.51-1.60(m,2H,CH2CH2CH3),0.94(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer:10.90(s,1H,ArNHNH),8.49(s,1H,ArNHNH),7.12(t,J=8.8Hz,2H,ArH),6.78-6.81(m,2H,ArH),4.49(s,2H,CH2CO),2.96(s,2H,CH2CH2CH3),1.51-1.60(m,2H,CH2CH2CH3),0.94(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(2-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E
4
):
黄色粉末,收率43.4%,mp152.2-154.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.76(s,1H,ArNHNH),8.38(s,1H,ArNHNH),7.41(d,J=7.8Hz,1H,ArH),7.26(t,J=7.7Hz,1H,ArH),6.94(t,J=7.5Hz,1H,ArH),6.77(d,J=8.0Hz,1H,ArH),4.51(s,2H,CH2CO),2.95(s,2H,CH2CH2CH3),1.64-1.44(m,2H,CH2CH2CH3),0.92(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer:10.92(s,1H,ArNHNH),8.38(s,1H,ArNHNH),7.41(d,J=7.8Hz,1H,ArH),7.26(t,J=7.7Hz,1H,ArH),6.94(t,J=7.5Hz,1H,ArH),6.77(d,J=8.0Hz,1H,ArH),4.51(s,2H,CH2CO),2.95(s,2H,CH2CH2CH3),1.64-1.44(m,2H,CH2CH2CH3),0.92(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(3-氯苯基)肼基)亚丁基)呋喃-2,4(3H,5H)-二酮(E5):
黄色粉末,收率36.3%,mp102.0-102.8℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.75(s,1H,ArNHNH),8.77(s,1H,ArNHNH),7.27(t,J=8.1Hz,1H,ArH),6.93(d,J=7.9Hz,1H,ArH),6.77(s,1H,ArH),6.72(d,J=8.1Hz,1H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.50-1.59(m,2H,CH2CH2CH3),0.93(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer.:10.92(s,1H,ArNHNH),8.77(s,1H,ArNHNH),7.27(t,J=8.1Hz,1H,ArH),6.93(d,J=7.9Hz,1H,ArH),6.77(s,1H,ArH),6.72(d,J=8.1Hz,1H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.50-1.59(m,2H,CH2CH2CH3),0.93(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(4-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E6):
白色粉末,收率49.2%,mp134.9-136.7℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.76(s,1H,ArNHNH),8.67(s,1H,ArNHNH),7.30(d,J=8.8Hz,1H,ArH),6.78(d,J=8.8Hz,1H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.50-1.59(m,2H,CH2CH2CH3),0.93(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer:10.91(s,1H,ArNHNH),8.67(s,1H,ArNHNH),7.30(d,J=8.8Hz,1H,ArH),6.78(d,J=8.8Hz,1H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.50-1.59(m,2H,CH2CH2CH3),0.93(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(4-溴苯基)肼基)亚丁基)呋喃-2,4(3H,5H)-二酮(E7):
白色粉末,收率45.1%,mp137.5-139.5℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.75(s,1H,ArNHNH),8.69(s,1H,ArNHNH),7.42(d,J=8.7Hz,2H,ArH),6.73(d,J=8.6Hz,2H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.61-1.45(m,2H,CH2CH2CH3),0.93(t,J=7.3Hz,3H,CH2CH2CH3);Z-isomer:10.92(s,1H,ArNHNH),8.69(s,1H,ArNHNH),7.42(d,J=8.7Hz,2H,ArH),6.73(d,J=8.6Hz,2H,ArH),4.49(s,2H,CH2CO),2.94(s,2H,CH2CH2CH3),1.61-1.45(m,2H,CH2CH2CH3),0.93(t,J=7.3Hz,3H,CH2CH2CH3).
3-(1-(2-(2,4-二氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E8):
浅黄色粉末,收率36.1%,mp134.7-136.0℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.73(s,1H,ArNHNH),8.52(s,1H,ArNHNH),7.56(d,J=1.9Hz,1H,ArH),7.34(d,J=2.2Hz,1H,ArH),6.77(d,J=8.7Hz,1H,ArH),4.51(s,2H,CH2CO),2.92(s,2H,CH2CH2CH3),1.46-1.55(m,2H,CH2CH2CH3),0.91(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer:10.93(s,1H,ArNHNH),8.52(s,1H,ArNHNH),7.56(d,J=1.9Hz,1H,ArH),7.31(d,J=2.2Hz,1H,ArH),6.77(d,J=8.7Hz,1H,ArH),4.51(s,2H,CH2CO),2.92(s,2H,CH2CH2CH3),1.46-1.55(m,2H,CH2CH2CH3),0.91(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(4-甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E9):
白色粉末,收率43.1%,mp153.6-154.1℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.78(s,1H,ArNHNH),8.37(s,1H,ArNHNH),7.08(d,J=8.1Hz,2H,ArH),6.68(d,J=8.2Hz,2H,ArH),4.49(s,2H,CH2CO),3.04-2.89(m,2H,CH2CH2CH3),2.22(s,3H,ArCH3),1.51-1.60(m,2H,CH2CH2CH3),0.94(t,J=7.3Hz,3H,CH2CH2CH3);Z-isomer:10.87(s,1H,ArNHNH),8.37(s,1H,ArNHNH),7.08(d,J=8.1Hz,2H,ArH),6.68(d,J=8.2Hz,2H,ArH),4.49(s,2H,CH2CO),3.04-2.89(m,2H,CH2CH2CH3),2.22(s,3H,ArCH3),1.51-1.60(m,2H,CH2CH2CH3),0.94(t,J=7.3Hz,3H,CH2CH2CH3).
3-(1-(2-(3,4-二甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E10):
土黄色粉末,收率38.9%,mp130.1-131.6℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.79(s,1H,ArNHNH),8.31(s,1H,ArNHNH),7.02(d,J=8.1Hz,1H,ArH),6.59(s,1H,ArH),6.50(d,J=8.0Hz,1H,ArH),4.49(s,2H,CH2CO),3.03-2.91(m,2H,CH2CH2CH3),2.15(d,J=13.3Hz,3H,Ar(CH3)2),2.13(s,3H,ArCH3),1.67-1.48(m,2H,CH2CH2CH3),0.94(t,J=7.4Hz,3H,CH2CH2CH3);Z-isomer:10.85(s,1H,ArNHNH),8.31(s,1H,ArNHNH),7.02(d,J=8.1Hz,1H,ArH),6.59(s,1H,ArH),6.50(d,J=8.0Hz,1H,ArH),4.49(s,2H,CH2CO),3.03-2.91(m,2H,CH2CH2CH3),2.15(d,J=13.3Hz,3H,Ar(CH3)2),1.67-1.48(m,2H,CH2CH2CH3),0.94(t,J=7.4Hz,3H,CH2CH2CH3).
3-(1-(2-(4-甲氧基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮(E11):
白色粉末,收率53.8%,mp170.0-171.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):E-isomer:11.78(s,1H,ArNHNH),8.22(s,1H,ArNHNH),6.88(d,J=8.9Hz,2H,ArH),6.75(d,J=8.8Hz,2H,ArH),4.48(s,2H,CH2CO),3.69(s,3H,ArOCH3),3.05-2.91(m,2H,CH2CH2CH3),1.64-1.51(m,2H,CH2CH2CH3),0.95(t,J=7.3Hz,3H,CH2CH2CH3);Z-isomer:10.88(s,1H,ArNHNH),8.22(s,1H,ArNHNH),6.88(d,J=8.9Hz,2H,ArH),6.75(d,J=8.8Hz,2H,A r1H),4.48(s,2H,CH2CO),3.69(s,3H,ArOCH3),3.05-2.91(m,2H,CH2CH2CH3),1.64-1.51(m,2H,CH2CH2CH3),0.95(t,J=7.3Hz,3H,CH2CH2CH3).
实施例2:3-(1-(2-(4-氯苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C
6
)的合成
将2.5mmol的4-氯苯肼盐酸盐和2.5mmol的3-((N,N-二甲基氨基)亚甲基)呋喃-2,4(3N,5H)-二酮溶于10mL乙醇中,室温下搅拌反应4h,直接产生黄色固体,抽滤,所得固体用水洗涤,干燥,即得目标化合物C6。
黄色粉末,收率49.6%,mp195.3-196.3℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.06(s,1H,ArNHNH),9.09(s,1H,ArNHNH),7.77(s,1H,CH=C),7.28(d,J=8.7Hz,2H,ArH),6.77(d,J=8.7Hz,2H,ArH),4.52(s,2H,CH2)。
采用实施例2的方法,制备了下述C系列的化合物:
3-(1-(2-苯基肼基)亚甲基)呋喃-24(5H)-二酮(C1):
土黄色粉末,收率69.7%,mp168.3-169.3℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.04(s,1H,ArNHNH),8.93(s,1H,ArNHNH),7.77(s,1H,CH=C),7.24(t,J=7.9Hz,2H,ArH),6.88(t,J=7.3Hz,1H,ArH),6.76(d,J=7.9Hz,2H,ArH),4.51(s,2H,CH2).
3-(1-(2-(2-氟苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C2):
灰色粉末,收率47.4%,mp167.6-169.5℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.08(s,1H,ArNHNH),8.97(s,1H,ArNHNH),7.84(s,1H,CH=C),7.14-7.19(m,1H,ArH),7.09(t,J=7.6Hz,1H,ArH),6.94-6.82(m,2H,ArH),4.52(s,2H,CH2).
3-(1-(2-(4-氟苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C3):
土黄色粉末,收率30.5%,mp167.2-169.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.05(s,1H,ArNHNH),8.87(s,1H,ArNHNH),7.78(s,1H,CH=C),7.09(t,J=8.8Hz,2H,ArH),6.77-6.80(m,2H,ArH),4.51(s,2H,CH2).
3-(1-(2-(2-氯苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C4):
浅紫色粉末,收率48.1%,mp176.5-177.9℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.06(s,1H,ArNHNH),8.80(s,1H,ArNHNH),7.84(s,1H,CH=C),7.37(d,J=7.8Hz,1H,ArH),7.25(t,J=7.7Hz,1H,ArH),6.90(t,J=7.6Hz,1H,ArH),6.83(d,J=7.2Hz,1H,ArH),4.53(s,2H,CH2).
3-(1-(2-(3-氯苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C5):
亮黄色粉末,收率26.9%,mp199.0-121.0℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.05(s,1H,ArNHNH),9.21(s,1H,ArNHNH),7.78(s,1H,CH=C),7.25(t,J=8.0Hz,1H,ArH),6.90(d,J=7.7Hz,1H,ArH),6.77(s,1H,ArH),6.71(d,J=8.2Hz,1H,ArH),4.53(s,2H,CH2).
3-(1-(2-(4-溴苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C7):
黄色粉末,收率44.6%,mp189.6-191.5℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.06(s,1H,ArNHNH),9.11(s,1H,ArNHNH),7.78(s,1H,CH=C),7.40(d,J=8.8Hz,2H,ArH),6.72(d,J=8.7Hz,2H,ArH),4.52(s,2H,CH2).
3-(1-(2-(2,4-二氯苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C8):
灰色粉末,收率73.9%,mp177.3-179.3℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.09(s,1H,ArNHNH),8.98(s,1H,ArNHNH),7.85(s,1H,CH=C),7.52(d,J=2.1Hz,1H,ArH),7.31-7.33(m,1H,ArH),6.85(d,J=8.1Hz,1H,ArH),4.54(s,2H,CH2).
3-(1-(2-(4-甲基苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C9):
亮黄色粉末,收率34.6%,mp163.4-164.2℃;1H NMR(400MHz,DMSO-d6)δ(ppm):10.98(s,1H,ArNHNH),8.74(s,1H,ArNHNH),7.76(s,1H,CH=C),7.05(d,J=8.2Hz,2H,ArH),6.67(d,J=8.3Hz,2H,ArH),4.50(s,2H,CH2),2.21(s,3H,ArCH3).
3-(1-(2-(3,4-二甲基苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C10):
黄色粉末,收率36.6%,mp171.1-172.9℃;1H NMR(400MHz,DMSO-d6)δ(ppm):10.97(s,1H,ArNHNH),8.64(s,1H,ArNHNH),7.76(s,1H,CH=C),6.99(d,J=8.0Hz,1H,ArH),6.56(s,1H,ArH),6.49(d,J=8.0Hz,1H,ArH),4.50(s,2H,CH2),2.14(d,J=13.0Hz,6H,Ar(CH3)2).
3-(1-(2-(4-甲氧基苯基)肼基)亚甲基)呋喃-2,4(5H)-二酮(C11):
黄色粉末,收率72.6%,mp155.0-157.0℃;1H NMR(400MHz,DMSO-d6)δ(ppm):11.00(s,1H,ArNHNH),8.56(s,1H,ArNHNH),7.81(s,1H,CH=C),6.85(d,J=8.9Hz,2H,ArH),6.74(d,J=8.9Hz,2H,ArH),4.49(s,2H,CH2),3.69(s,3H,ArOCH3).
应用实施例
采用菌丝生长速率法测定了所用化合物对3种供试植物病原菌:小麦赤霉病菌(Fusariumgraminearum)、蔬菜灰霉病菌(Botrytis cinerea)、辣椒炭疽病菌(Colletotrichum capsici)的杀菌活性,所用浓度为10μg/mL。以多菌灵、腐霉利和嘧菌酯分别作为对照药剂,同时测定了部分化合物的EC50。
从表1可以发现,化合物A、B、C、D、E对3种供试植物病原菌具有显著的杀菌活性。
在10μg/mL浓度下,A3、A6-7、A9、B3、B6-7、C3、C5-7、D3、D6-7、D9、E3、E6-7、E9对小麦赤霉病菌的抑制率均达到90%-100%,其中A6、B3、C3、C5、C7、E3的抑制率均达到100%,与对照药剂多菌灵相当。A2、B2、C2对蔬菜灰霉病菌的抑制率均达到90%以上,接近于对照药剂腐霉利的98.2%。A2-8、B3、B9、C2、C4-5、C8、D2、D4、D8、E2、E4、E8对辣椒炭疽病菌的抑制率均达到90%-100%,其中B3、B9达到100%,与对照药剂嘧菌酯相当,。
从表2可以看出,A6-7、B3、B6对小麦赤霉病菌的EC50值都低于0.4μg/mL,与对照药剂多菌灵的0.3849μg/mL相当,其中A6、A7的EC50值分别为0.1957μg/mL和0.2135μg/mL。A6-8、B6-8、C6-7对蔬菜灰霉病菌的EC50均低于0.3μg/mL,与对照腐霉利的0.2398μg/mL相当,其中A8和C7分别为0.1672μg/mL和0.1799μg/mL。A6、A8、B8、D8对辣椒炭疽病菌的EC50值均低于0.3μg/mL,与对照嘧菌酯的0.2875μg/mL相当,其中A8和B8的EC50值分别为0.1189μg/mL和0.1652μg/mL。
表1化合物的杀菌活性数据(10μg/mL,抑制率%)
表2部分化合物对供试菌的EC50值(μg/mL)
Claims (10)
2.根据权利要求1所述的含取代苯肼的呋喃二酮类化合物、或其异构体,其特征在于:
R1、R2彼此独立地表示氢、C1-12烷基、C3-6环烷基;
Y(n)中,n=1-3取代,Y(n)选自:X、R、OR、NO2,其中X表示卤素;R表示未取代或被1个或多个卤素取代的C1-4烷基。
3.根据权利要求2所述的含取代苯肼的呋喃二酮类化合物、或其异构体,其特征在于:
R1、R2彼此独立地表示氢、C1-12烷基;
Y(n)中,n=1-2取代,Y(n)选自:X、R、OR,其中X表示卤素;R表示C1-4烷基。
4.根据权利要求3所述的含取代苯肼的呋喃二酮类化合物、或其异构体,其特征在于:
R1、R2按照如下方式选取:
R1选自氢,R2选自氢、C1-12烷基;或
R1选自C1-12烷基,R2选自C1-12烷基;
Y(n)中,n=1-2取代,Y(n)选自:X、R、OR,其中X表示卤素;R代表C1-4烷基。
5.根据权利要求4所述的含取代苯肼的呋喃二酮类化合物、或其异构体,其特征在于:
5-甲基-3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、5-甲基-3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚乙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚丙基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚丁基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-苯基肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氟苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氟苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-溴苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(2,4-二氯苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(3,4-二甲基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮、3-(1-(2-(4-甲氧基苯基)肼基)亚甲基)呋喃-2,4(3N,5H)-二酮。
6.根据权利要求1-5中任一项所述的含取代苯肼的呋喃二酮类化合物的异构体,是指几何异构体,即顺式或反式异构体,或者Z式或E式异构体。
8.根据权利要求7所述的含取代苯肼的呋喃二酮类化合物、或其异构体的制备方法,其特征在于:
R1、R2和Y(n)均具有如前所述的定义;
R3选自OH、N(R4)2,其中R4表示C1-3烷基。
9.根据权利要求8所述的含取代苯肼的呋喃二酮类化合物、或其异构体的制备方法,其特征在于:
R1、R2和Y(n)均具有如前所述的定义;
R3按照如下方式选取:
R2选自C1-12烷基时,R3选自OH;或
R2选自氢时,R3选自N(CH3)2。
10.权利要求1-5中任一项所述的含取代苯肼的呋喃二酮类化合物、或其异构体在防治植物病原真菌方面的应用。
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