CN115246834B - Aldisin衍生物及其制备和在防治植物病毒、杀虫、杀菌方面的应用 - Google Patents
Aldisin衍生物及其制备和在防治植物病毒、杀虫、杀菌方面的应用 Download PDFInfo
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- CN115246834B CN115246834B CN202110463628.5A CN202110463628A CN115246834B CN 115246834 B CN115246834 B CN 115246834B CN 202110463628 A CN202110463628 A CN 202110463628A CN 115246834 B CN115246834 B CN 115246834B
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- 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
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
本发明涉及Aldisin衍生物及其制备方法和在防治植物病毒、杀虫、杀菌方面的应用。本发明的Aldisin衍生物,对烟草花叶病毒(TMV)具有优异的抑制活性;对粘虫、棉铃虫、玉米螟、小菜蛾和蚊幼虫中的一种或多种具有良好的杀虫活性;对常见的十四种植物病菌具有广谱的杀菌活性。
Description
技术领域
本发明涉及Aldisin衍生物及其制备和在防治植物病毒、杀虫、杀菌方面的应用,属于农业防护技术领域。
背景技术
1985年,奥克拉荷马大学Schmitz课题组首次从关岛海绵Hymeniacidon aldis delaubenfels中分离到具有吡咯并内酰胺结构的生物碱Aldisin(J.Nat.Prod.1985,48,47-53)。1986年Endo课题组从日本冲绳和澳大利亚昆士兰州绿岛采集的黄叶Phakelliaflabellata分离到具有Aldisin结构骨架的生物碱Debromohymenialdisine,并通过生物活性研究,表明Debromohymenialdisine对豚鼠心脏细胞具有中等的细胞毒性(Pure&AppLChern.1986,58,387-394.)。1995年,Proksch课题组从热带海绵Axinella carteri中首次分离到了海洋生物碱3-Bromohymenialdisine,并通过对其进行小鼠淋巴瘤细胞L5178Y毒性实验,发现其ED50值可达3.9μg/mL(Z.Naturforsch.C.1995,50,669-674.)。2012年,White课题组设计合成了一系列Aldisin衍生物,并针对人体内常见的四种肿瘤细胞进行了生物活性试验,试验结果表明该系类衍生物对肺癌细胞A549、结直肠癌细胞LoVo、乳腺癌MCF-7和前列腺肿瘤PC3均有很好的生长抑制作用(Eur.J.Med.Chem.2012,56,246-253.)。目前为止,还没有关于Aldisin衍生物I-1~I-35合成方法以及衍生物I-1~I-35在防治植物病毒、杀虫、杀菌方面的应用。
发明内容
针对现有技术不足,本发明提供Aldisin衍生物及其制备方法和在防治植物病毒、杀虫、杀菌方面的应用。本专利的Aldisin衍生物具有良好的防治植物病毒、杀虫活性,以及广谱的杀菌活性。
本发明的Aldisin衍生物为下述I-1~I-35所示的化合物(结构式一)。
上述化学结构式I-1~I-35的合成方法如下:
Aldisin衍生物I-1的合成:按照方程式一所示的方法制备,室温下条件下,以Aldisin和4-甲基苯硼酸为原料,以二氯甲烷为溶剂,在水合醋酸铜和吡啶的催化作用下,得到化合物I-1。
Aldisin衍生物I-2~I-9的合成:按照方程式二所示的方法制备,以Aldisin和活性较高的溴代烷烃或碘代烷烃为反应物,以碳酸钠作碱,以乙腈做溶剂,在加热回流条件下,吡咯氮上的质子被碱夺去,进而与溴代烷烃或碘代烷烃发生亲核取代反应得到化合物I-2~I-9。
Aldisin衍生物I-10~I-13的合成:按照方程式三所示的方法制备,以Aldisin和苄基溴为反应物,以碳酸钠作碱,以乙腈做溶剂,在加热回流条件下,得到化合物A;以化合物A为原料,以二氯甲烷为溶剂,在三乙胺催化下,与酰氯发生亲核取代反应,得到酰胺氮上连羰基的衍生物I-10~I-13。
Aldisin衍生物I-14的合成:按照方程式四所示的方法制备,以化合物A为原料,以N,N-二甲基甲酰胺为溶剂,在冰浴条件下利用氢化钠夺取酰胺氮上的氢,之后恢复至室温,与4-苯基苄基溴发生亲核取代反应得到化合物I-14。
Aldisin衍生物I-15~I-17的合成:按照方程式五所示的方法制备,室温下条件下,以二氯甲烷为溶剂,以Aldisin和芳基硼酸为原料,在水合醋酸铜和吡啶的催化作用下,得到化合物B-1~B-3;分别以B-1~B-3为原料,无水甲醇作溶剂,醋酸钠作碱,加热回流条件下与盐酸羟胺发生缩合反应,分别得到吡咯氮上连芳基的化合物I-15~I-17。
Aldisin衍生物I-18~I-27的合成:按照方程式六所示的方法制备,以Aldisin和活性较高的溴代烷烃或碘代烷烃为反应物,以碳酸钠作碱,以乙腈做溶剂,在加热回流条件下,吡咯氮上的质子被碱夺去,进而与溴代烷烃或碘代烷烃发生亲核取代反应得到化合物C-1~C-10;分以化合物C-1~C-10为原料,无水甲醇作溶剂,醋酸钠作碱,加热回流条件下与盐酸羟胺发生缩合反应,分别得到吡咯氮上连亚甲基的肟醚类衍生物I-18~I-27。
Aldisin衍生物I-28~I-29的合成:按照方程式七所示的方法制备,以Aldisin衍生物I-18为原料,无水甲醇作溶剂,碳酸钾作碱,分别与溴乙酸乙酯,苄溴反应,得到相应的肟酯类衍生物I-28~I-29。
Aldisin衍生物I-30~I-35的合成:按照方程式八所示的方法制备,以化合物A为原料,以N,N-二甲基甲酰胺为溶剂,在冰浴条件下利用氢化钠夺取酰胺氮上的氢,之后恢复至室温,与烷基溴发生亲核取代反应得到化合物I-30~I-35。
相比于现有技术,本发明Aldisin衍生物I-1~I-35,对烟草花叶病毒(TMV)具有显著的抑制活性;对粘虫、棉铃虫、玉米螟、小菜蛾和蚊幼虫中的一种或多种具有良好的致死活性;对黄瓜枯萎、花生褐斑、苹果轮纹、小麦纹枯、玉米小斑、西瓜炭疽、水稻恶苗、番茄早疫、小麦赤霉、水稻稻瘟、辣椒疫霉、油菜菌核、黄瓜灰霉和水稻纹枯中的一种或多种具有广谱的杀菌活性。此外,部分化合物达到商品化品种活性水平,具备很好的应用前景。
具体实施方式
下述的实施例和生测试验结果可用来进一步说明本发明,但不意味着限制本发明。
实施例1:Aldisin衍生物I-1的合成。
称取Aldisin(246mg,1.50mmol),4-甲基苯硼酸(408mg,3.00mmol),一水合醋酸铜(449mg,2.25mmol)于50mL圆底烧瓶,加入15mL无水二氯甲烷以及吡啶(449mg,2.25mmol),室温下反应24h。抽滤,减压脱溶,残留液用乙酸乙酯溶解,有机相用饱和食盐水洗,减压脱溶,粗产品柱层析分离(V二氯甲烷∶V乙酸乙酯=1∶2),得米白色固体,收率70%,熔点191-192℃。1HNMR(400MHz,CDCl3)δ7.24(d,J=8.0Hz,2H),7.19(d,J=7.9Hz,2H),6.95(d,J=2.8Hz,1H),6.83(d,J=2.7Hz,1H),6.46(s,1H),3.59(q,J=5.3Hz,2H),2.87-2.79(m,2H),2.40(s,3H).13C NMR(100MHz,CDCl3)δ195.0,162.5,138.0,137.7,129.5,128.7,127.3,127.2,125.1,109.8,44.2,37.5,21.2.HRMS(ESI):calcd for C15H15N2O2[M+H]+255.1128,found255.1128.
实施例2:Aldisin衍生物I-2~I-9的合成。
I-2的合成:称取Aldisin(82mg,0.50mmol),2-碘代乙基苯(290μL,2.00mmol),碳酸铯(326mg,1.00mmol)于20mL反应管,加入3mLN,N-二甲基甲酰胺,升温至60℃,磁子搅拌反应24h。加入30mL水,用乙酸乙酯萃取(3×30mL),无水硫酸钠干燥,减压脱溶,柱层析分离(V乙酸乙酯∶V石油醚=1∶3),得淡黄色固体50mg,收率37%,熔点166-167℃。1H NMR(400MHz,DMSO-d6)δ8.32(t,J=5.9Hz,1H),7.26(t,J=7.3Hz,2H),7.20(t,J=7.2Hz,1H),7.15-7.09(m,2H),7.06(d,J=2.9Hz,1H),6.47(d,J=2.9Hz,1H),4.58(t,J=7.3Hz,2H),3.22(q,J=5.7Hz,2H),2.99(t,J=7.3Hz,2H),2.68-2.59(m,2H).13C NMR(100MHz,DMSO-d6)δ194.8,162.3,138.2,128.6,128.3,127.6,126.3,126.2,125.4,108.0,49.7,44.0,37.5,36.5.HRMS(ESI):calcd for C16H17N2O2[M+H]+269.1285,found 269.1283.
I-3的合成:合成方法与I-2相同。白色固体,收率33%,熔点:107-108℃。1H NMR(400MHz,MeOD-d4)δ6.90(d,J=2.9Hz,1H),6.65(d,J=2.8Hz,1H),4.21(s,2H),3.51-3.44(m,2H),2.83-2.72(m,2H),0.03(s,9H).13C NMR(100MHz,MeOD-d4)δ196.2,164.2,128.3,126.0,125.9,108.7,43.7,40.8,37.0,-3.8.HRMS(ESI):calcd for Chemical Formula:C12H19N2O2Si[M+H]+251.1210,found 251.1208.
I-4的合成:称取Aldisin(493mg,3.00mmol),4-氯苄溴(925mg,4.50mmol),碳酸钾(1.95g,6.00mmol)于50mL圆底烧瓶,加入24mL无水乙腈,加热回流12h。减压脱溶,加入乙酸乙酯溶解粗产物,饱和食盐水洗,无水硫酸镁干燥,减压脱溶,柱层析分离(V乙酸乙酯∶V石油醚=1∶2),得白色固体610mg,收率70%,熔点171-172℃。1H NMR(400MHz,CDCl3)δ7.29(d,J=8.3Hz,2H),7.09(d,J=8.3Hz,2H),6.86(d,J=3.0Hz,1H),6.78(d,J=2.9Hz,1H),6.26(s,1H),5.58(s,2H),3.50(td,J=6.0,2.9Hz,2H),2.87-2.79(m,2H).13C NMR(100MHz,CDCl3)δ194.7,163.3,136.1,133.6,128.9,128.6,128.1,127.1,125.4,110.0,52.0,44.0,37.6.HRMS(ESI):calcd for C15H14ClN2O2[M+H]+289.0738,found 289.0740.
I-5的合成:合成方法与I-4相同。白色固体,收率81%,熔点148-149℃。1H NMR(400MHz,CDCl3)δ7.15(d,J=7.9Hz,2H),7.08(d,J=7.9Hz,2H),6.87(d,J=2.9Hz,1H),6.77(d,J=2.9Hz,1H),6.20(s,1H),5.60(s,2H),3.53(q,J=5.9Hz,2H),2.89-2.81(m,2H),2.34(s,3H).13C NMR(100MHz,CDCl3)δ195.0,163.8,137.5,134.6,129.4,128.0,127.3,127.0,125.7,109.7,52.4,44.1,37.6,21.1.HRMS(ESI):calcd for C16H17N2O2[M+H]+269.1285,found 269.1287.
I-6的合成:合成方法与I-4相同。白色固体,收率81%,熔点117-118℃。1H NMR(400MHz,CDCl3)δ7.15(d,J=7.8Hz,2H),7.10(d,J=7.8Hz,2H),6.87(d,J=2.9Hz,1H),6.76(dd,J=11.5,4.7Hz,2H),5.61(s,2H),3.52(q,J=5.7Hz,2H),2.89-2.80(m,2H),2.60(t,J=7.8Hz,2H),1.58(q,J=7.8Hz,2H),1.36(q,J=7.4Hz,2H),0.94(t,J=7.3Hz,3H).13C NMR(100MHz,CDCl3)δ195.1,163.9,142.6,134.8,128.8,128.0,127.3,126.9,125.8,109.7,52.4,44.1,37.5,35.3,33.6,22.4,14.0.HRMS(ESI):calcd for C19H23N2O2[M+H]+311.1754,found 311.1755.
I-7的合成:合成方法与I-4相同。白色固体,收率83%,熔点118-120℃。1H NMR(400MHz,CDCl3)δ7.34(d,J=8.2Hz,2H),7.10(d,J=8.0Hz,2H),6.86(s,1H),6.75(d,J=2.9Hz,1H),6.33-6.24(m,1H),5.60(s,2H),3.52(q,J=6.0Hz,2H),2.83(s,2H),1.29(s,9H).13C NMR(100MHz,CDCl3)δ195.0,163.7,150.8,134.5,128.1,127.0,126.9,125.7,125.6,109.8,52.3,44.1,37.6,34.5,31.3.HRMS(ESI):calcd for C19H23N2O2[M+H]+311.1754,found 311.1756.
I-8的合成:合成方法与I-4相同。白色固体,收率75%,熔点140-142℃。1H NMR(400MHz,CDCl3)δ7.99(d,J=8.3Hz,2H),7.17(d,J=8.3Hz,2H),6.88(d,J=2.9Hz,1H),6.80(d,J=2.9Hz,1H),6.34(s,1H),5.68(s,2H),4.36(q,J=7.1Hz,2H),3.53-3.47(m,2H),2.86-2.80(m,2H),1.38(t,J=7.1Hz,3H).13C NMR(100MHz,CDCl3)δ194.7,166.2,163.3,142.6,130.0,129.9,128.3,127.1,126.8,125.5,110.0,61.0,52.4,44.0,37.6,14.3.HRMS(ESI):calcd for C18H19N2O4[M+H]+327.1339,found 327.1339.
I-9的合成:合成方法与I-4相同。白色固体,收率78%,熔点120-122℃。1H NMR(400MHz,CDCl3)δ7.84-7.74(m,3H),7.56(s,1H),7.51-7.43(m,2H),7.29(d,J=8.4Hz,1H),6.91(d,J=2.9Hz,1H),6.78(d,J=2.9Hz,1H),6.65(t,J=6.1Hz,1H),5.77(s,2H),3.46(q,J=5.9Hz,2H),2.84-2.75(m,2H).13C NMR(101MHz,CDCl3)δ194.9,163.6,135.0,133.3,132.8,128.6,128.2,127.9,127.7,127.0,126.4,126.2,126.1,125.7,125.1,109.8,52.8,44.0,37.6.HRMS(ESI):calcd for C19H17N2O2[M+H]+305.1285,found305.1286.
实施例3:Aldisin衍生物I-10~I-13的合成。
I-10的合成:首先按照文献报道的方法(Bioorg.Med.Chem.Lett.2011,21,4306-4309.)合成化合物A;之后,将化合物A(509mg,2.00mmol)置于50mL圆底烧瓶,加入20mL无水二氯甲烷,冰浴冷却下加入三乙胺(556μL,4.00mmol)和4-三氟甲基苯甲酰氯(446μL,3.00mmol),之后撤去冰浴,室温反应12h。加入二氯甲烷稀释,水洗,用无水硫酸镁干燥,减压脱溶,柱层析分离(V石油醚∶V乙酸乙酯=1∶1),得淡黄色固体560mg,收率78%,熔点151-152℃。1H NMR(400MHz,CDCl3)δ7.60(d,J=8.2Hz,2H),7.54(d,J=8.1Hz,2H),7.33(d,J=6.4Hz,1H),7.32(d,J=1.9Hz,1H),7.30(d,J=3.9Hz,1H),7.06(d,J=2.9Hz,1H),7.03(dd,J=6.5,2.9Hz,2H),6.84(d,J=2.8Hz,1H),δ5.52(s,2H),4.40-4.34(t,J=14.8Hz,2H),2.99-2.92(t,J=10.4Hz,2H).13C NMR(100MHz,CDCl3)δ194.6,171.1,162.6,139.0,136.7,132.80(q,J=30.0Hz),131.2,129.6,128.9,128.1,127.9,127.0,125.4,125.3(q,J=4.0Hz),124.4(q,J=270.0Hz),53.3,42.9,40.4.HRMS(ESI):calcd for C26H21N2O3[M+H]+409.1547,found 409.1545.
I-11的合成:合成方法与I-10相同。淡黄色固体,收率82%,熔点139-140℃。1HNMR(400MHz,CDCl3)δ8.04(dd,J=6.4,3.4Hz,1H),7.95-7.88(m,2H),7.54(dt,J=6.5,3.4Hz,2H),7.44-7.34(m,2H),7.30-7.25(m,3H),6.97-6.85(m,3H),6.79(d,J=2.7Hz,1H),5.40(s,2H),4.50(t,J=5.5Hz,2H),3.08(t,J=5.4Hz,2H).13C NMR(100MHz,CDCl3)δ195.1,171.6,162.2,136.6,134.4,133.6,130.6,130.6,130.0,128.9,128.8,128.6,128.0,127.3,127.3,126.4,124.7,124.6,124.4,124.2,110.8,52.9,42.7,40.0.HRMS(ESI):calcd for C23H18F3N2O3[M+H]+427.1264,found 427.1262.
I-12的合成:合成方法与I-10相同。米白色固体,收率69%,熔点122-123℃。1HNMR(400MHz,CDCl3)δ7.51(t,J=10.0Hz,3H),7.38(t,J=7.6Hz,2H),7.32(d,J=5.6Hz,3H),7.06(d,J=6.8Hz,2H),7.02(d,J=2.6Hz,1H),6.81(d,J=2.6Hz,1H),5.55(s,2H),4.36(t,J=5.4Hz,2H),2.99-2.92(m,2H).13C NMR(100MHz,CDCl3)δ195.0,172.6,162.8,136.8,135.4,131.8,130.6,128.9,128.9,128.4,128.0,127.9,127.2,124.3,110.7,53.1,43.1,40.6.HRMS(ESI):calcd for C22H19N2O3[M+H]+359.1390,found 359.1388.
I-13的合成:合成方法与I-10相同。淡黄色固体,收率64%,熔点62-63℃。1H NMR(400MHz,CDCl3)δ7.38-7.29(m,3H),7.17-7.09(m,2H),7.00(d,J=2.9Hz,1H),6.73(d,J=2.8Hz,1H),5.56(s,2H),4.55(s,2H),4.27-4.20(m,2H),3.47(s,4H),2.83(dd,J=6.2,4.2Hz,2H),1.26(s,1H).13C NMR(100MHz,CDCl3)δ195.0,172.7,162.3,136.8,130.6,128.9,128.4,128.2,127.2,124.8,110.4,74.6,59.3,53.1,42.3,39.6.HRMS(ESI):calcdfor C22H21N2O2[M+H]+345.1598,found 345.1594.
实施例4:Aldisin衍生物I-14的合成。
I-14的合成:首先按照文献报道的方法(Bioorg.Med.Chem.Lett.2011,21,4306-4309.)合成化合物A;之后,将化合物A(1.02g,4.00mmol)置于100mL圆底烧瓶,加入40mL无水N,N-二甲基甲酰胺,冰浴条件下加入氢化钠(192mg,8mmol),反应1.5h后,加入苄基溴(950μL,8mmol),撤去冰浴反应12h。加入少量冰水淬灭过量氢化钠,之后加入水,用乙酸乙酯萃取(4×50mL),合并有机相,无水硫酸钠干燥,减压脱溶,柱层析分离(V石油醚∶V乙酸乙酯=1∶1),得白色固体1.03g,收率75%,熔点:113-114℃。1H NMR(400MHz,CDCl3)δ7.36-7.30(m,3H),7.26-7.23(m,3H),7.15(dd,J=7.2,2.3Hz,2H),7.08-7.01(m,2H),6.89(d,J=3.0Hz,1H),6.68(d,J=2.9Hz,1H),5.63(s,2H),4.73(s,2H),3.60-3.44(m,2H),2.66(dd,J=6.2,4.1Hz,2H).13C NMR(100MHz,CDCl3)δ195.2,137.9,136.9,128.8,128.0,127.8,127.7,127.6,127.2,108.9,52.9,50.3,44.0,42.7.HRMS(ESI):calcd for C19H21N2O4[M+H]+341.1496,found 341.1494.
实施例5:Aldisin衍生物I-15~I-17的合成。
首先,按照文献报道的方法(Bioorg.Med.Chem.Lett.2011,21,4306-4309.),分别以4-乙基苯硼酸、对甲氧基苯硼酸和苯硼酸为原料,与Aldisin反应生成已知化合物B1~B3;之后将化合物B1~B3作为原料,参与衍生物I-15~I-17的合成。
B-1:得白色固体,熔点190-191℃。1H NMR(400MHz,CDCl3)δ7.47-7.38(m,3H),7.35-7.27(m,2H),6.98(d,J=2.9Hz,1H),6.85(d,J=2.9Hz,1H),6.59(s,1H),3.63-3.54(m,2H),2.87-2.80(m,2H).13C NMR(100MHz,CDCl3)δ195.0,162.5,140.2,128.9,128.7,128.1,127.2,126.7,125.4,110.0,44.2,37.4.HRMS(ESI):calcd for C14H13N2O2[M+H]+241.0972,found 241.0971.
B-2:白色固体,熔点175-176℃。1H NMR(400MHz,CDCl3)δ7.29-7.17(m,4H),6.95(s,1H),6.83(s,1H),6.73(d,J=6.4Hz,1H),3.56(q,J=5.7Hz,2H),2.90-2.76(m,2H),2.70(q,J=7.7Hz,2H),1.27(t,J=7.7Hz,3H).13C NMR(100MHz,CDCl3)δ195.0,162.6,144.2,137.9,128.7,128.3,127.2,126.7,125.2,109.8,44.2,37.4,28.5,15.4.HRMS(ESI):calcd for C16H17N2O2[M+H]+269.1285,found 269.1284.
B-3:米白色固体,熔点207-209℃。1H NMR(400MHz,CDCl3)δ7.29-7.23(m,2H),7.00-6.92(m,3H),6.85(d,J=2.9Hz,1H),6.51(s,1H),3.86(s,3H),3.60(q,J=5.9Hz,2H),2.90-2.82(m,2H).13C NMR(101MHz,CDCl3)δ195.0,162.5,159.2,133.2,128.9,127.1,126.6,126.5,114.0,109.7,55.5,44.2,37.5.HRMS(ESI):calcd for C15H15N2O3[M+H]+271.1077,found 271.1078.
I-15的合成:称取B1(201mg,0.75mmol),盐酸羟胺(104mg,1.50mm0l),醋酸钠(123mg,1.50mmol)于50mL圆底烧瓶,加入10mL无水甲醇,加热回流5h,TLC检测反应完全。减压脱溶,残留液加入水,用乙酸乙酯萃取,用饱和食盐水洗有机相,无水硫酸镁干燥,减压脱溶,得白色固体,收率93%,熔点>300℃。1H NMR(400MHz,DMSO-d6)δ111(s,1H),7.96(t,J=6Hz,1H),7.24(d,J=8.5Hz,2H),7.20-76(m,2H),7.15(d,J=2.9Hz,1H),6.45(d,J=2.9Hz,1H),3.37(q,J=6.0Hz,2H),2.78-2.72(m,2H),2.64(q,J=7.6Hz,2H),1.21(t,J=7.6Hz,3H).13C NMR(100MHz,DMSO-d6)δ163,152.6,142.6,138.5,128.4,128.2,124.8,124.8,124.3,107.2,37.7,32.0,28,16.0.HRMS(ESI):calcd for C16H18N3O2[M+H]+284394,found 284395.
I-16的合成:合成方法与I-15相同。白色固体,收率92%,熔点292-294℃。1H NMR(400MHz,DMSO-d6)δ11.09(s,1H),7.93(t,J=6.1Hz,1H),7.20(d,J=8.9Hz,2H),7.10(d,J=2.9Hz,1H),6.95(d,J=8.9Hz,2H),6.44(d,J=2.8Hz,1H),3.78(s,3H),3.43-3.33(m,2H),2.74(dd,J=6.5,4.4Hz,2H).13C NMR(100MHz,DMSO-d6)δ162.7,157.9,152.1,133.4,127.8,125.7,124.0,123.9,113.7,106.5,55.3,37.2,31.5.HRMS(ESI):calcd forC15H16N3O3[M+H]+286.1186,found 286.1187.
I-17的合成:白色固体,收率94%,熔点169-171℃。1H NMR(400MHz,DMSO-d6)δ11.13(s,1H),7.98(t,J=6.1Hz,1H),7.41(dd,J=8.3,7.0Hz,2H),7.34-7.27(m,3H),7.19(d,J=2.9Hz,1H),6.47(d,J=2.8Hz,1H),3.42-3.35(m,2H),2.79-2.72(m,2H).13C NMR(100MHz,DMSO-d6)δ162.6,152.1,140.2,128.6,127.7,126.6,124.5,124.4,123.9,106.9,37.2,31.5.HRMS(ESI):calcd for C15H15BrN3O2[M+H]+256.1081,found 256.1081.
实施例6:Aldisin衍生物I-18~I-27的合成。
首先,按照文献报道的方法(Bioorg.Med.Chem.Lett.2011,21,4306-4309.),分别以苄基溴、4-溴苄溴、4-甲基苄溴、4-苯基苄溴、溴乙酸乙酯、4-氯苄溴、4-丁基苄溴、4-叔丁基苄溴、4-(溴甲基)苯甲酸乙酯和2-(溴甲基)萘为原料,与Aldisin反应生成对应的化合物C1~C10(其中,C1与A为同一化合物、C2、C4和C5为已知化合物;C3对应I-5、C-6对应I-4、C7~C10对应I-6~I-9);之后将化合物C1~C10作为原料,参与衍生物I-18~I-27的合成。
C1:白色固体,熔点150-152℃。1H NMR(400MHz,CDCl3)δ7.30(dt,J=11.9,6.8Hz,3H),7.15(d,J=7.2Hz,2H),6.86(d,J=2.9Hz,1H),6.76(d,J=2.9Hz,1H),6.27(s,1H),5.63(s,2H),3.50(q,J=5.9Hz,2H),2.85-2.80(m,2H).13C NMR(100MHz,CDCl3)δ194.8,163.5,137.6,128.8,128.2,127.8,127.2,127.0,125.6,109.8,52.6,44.1,37.6.HRMS(ESI):calcd for C15H15N2O2[M+H]+255.1128,found 255.1127.
C2:淡黄色固体,熔点179-181℃。1H NMR(400MHz,CDCl3)δ7.43(d,J=8.3Hz,2H),7.03(m,3H),6.85(d,J=2.9Hz,1H),6.77(d,J=2.9Hz,1H),5.56(s,2H),3.47(q,J=5.9Hz,2H),2.85-2.77(m,2H).13C NMR(100MHz,CDCl3)δ194.7,163.4,136.7,131.8,128.9,128.1,127.1,125.4,121.7,110.0,52.1,44.0,37.6.HRMS(ESI):calcd for C15H14BrN2O2[M+H]+333.0233,found 333.0230.
C4:白色固体,熔点187-188℃。1H NMR(400MHz,DMSO-d6)δ8.40(t,J=5.9Hz,1H),7.62(t,J=8.0Hz,4H),7.45(t,J=7.5Hz,2H),7.35(t,J=7.3Hz,1H),7.25(dd,J=14.0,5.4Hz,3H),6.59(d,J=2.9Hz,1H),5.68(s,2H),3.31(q,J=5.6Hz,2H),2.73-2.64(m,2H).13C NMR(100MHz,DMSO-d6)δ194.8,162.3,139.7,139.2,137.8,128.9,128.2,127.5,127.4,126.9,126.6,126.2,125.8,108.5,50.9,44.0,36.6.HRMS(ESI):calcd forC21H19N2O2[M+H]+331.1441,found 331.1440.
C5:米白色固体,熔点170-171℃。1H NMR(400MHz,CDCl3)δ6.85-6.78(m,2H),6.23(s,1H),5.11(s,2H),4.26(q,J=7.1Hz,2H),3.61-3.55(m,2H),2.89-2.84(m,2H),1.31(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ194.5,168.3,163.7,128.7,126.9,125.8,109.7,61.7,51.4,43.9,37.6,14.1.HRMS(ESI):calcd C12H15N2O4for[M+H]+251.1026,found251.1026.
I-18的合成:称取C1(1.53g,6.00mmol),盐酸羟胺(834mg,12.00mm0l),醋酸钠(985mg,12.00mmol)于100mL圆底烧瓶,加入45mL无水甲醇,加热回流5h,TLC检测反应完全。减压脱溶,残留液加入水,用乙酸乙酯萃取,用饱和食盐水洗有机相,无水硫酸镁干燥,减压脱溶,白色固体,收率94%,熔点:217-218℃。1H NMR(400MHz,DMSO-d6)δ11.01(s,1H),7.95(t,J=5.9Hz,1H),7.31(t,J=7.4Hz,2H),7.26-7.20(m,1H),7.11(dd,J=16.4,4.8Hz,3H),6.37(d,J=2.7Hz,1H),5.55(s,2H),3.15(q,J=5.7Hz,2H),2.73(t,J=5.6Hz,2H).13CNMR(100MHz,DMSO-d6)δ163.8,152.4,139.2,128.4,127.6,127.1,126.6,123.6,122.8,105.8,50.7,37.3,31.4.HRMS(ESI):calcd for C15H16N3O2[M+H]+270.1237,found270.1235.
I-19的合成:合成方法与I-18相同。白色固体,收率92%,熔点255-257℃。1H NMR(400MHz,DMSO-d6)δ11.00(s,1H),7.94(t,J=5.9Hz,1H),7.54-7.46(m,2H),7.13(d,J=2.8Hz,1H),7.02(d,J=8.4Hz,2H),6.36(d,J=2.8Hz,1H),3.13(q,J=5.7Hz,2H).13C NMR(100MHz,DMSO-d6)δ164.1,152.8,139.2,131.6,129.4,128.2,124.2,123.2,120.7,106.4,50.7,37.8,31.8.HRMS(ESI):calcd for C15H15BrN3O2[M+H]+348.0342,found 348.0343.
I-20的合成:合成方法与I-18相同。白色固体,收率95%,熔点250-252℃。1H NMR(400MHz,DMSO-d6)δ10.97(s,1H),7.92(t,J=5.9Hz,1H),7.12-7.07(m,3H),6.98(d,J=7.8Hz,2H),6.33(d,J=2.8Hz,1H),5.47(s,2H),3.12(q,J=5.8Hz,2H),2.74-2.67(m,2H),2.25(s,3H).13C NMR(100MHz,DMSO-d6)δ163.8,152.4,136.2,136.2,128.9,127.5,126.7,123.5,122.8,105.7,50.4,37.3,31.4,20.6.HRMS(ESI):calcd for C16H18N3O2[M+H]+284.1394,found 284.1395.
I-21的合成:合成方法与I-18相同。白色固体,收率96%,熔点247-249℃。1H NMR(400MHz,DMSO-d6)δ11.00(s,1H),7.96(t,J=5.9Hz,1H),7.65-7.58(m,4H),7.45(t,J=7.5Hz,2H),7.35(dd,J=8.3,6.3Hz,1H),7.20-7.12(m,3H),6.37(d,J=2.8Hz,1H),5.58(s,2H),3.16(q,J=5.8Hz,2H),2.72(t,J=5.5Hz,2H).13C NMR(100MHz,DMSO-d6)δ163.8,152.4,139.7,139.0,138.5,128.9,127.7,127.4,127.2,126.7,126.6,123.6,122.8,105.9,50.4,37.3,31.4.HRMS(ESI):calcd for C21H20N3O2[M+H]+346.1550,found346.1550.
I-22的合成:合成方法与I-18相同。白色固体,收率95%,熔点212-214℃。1H NMR(400MHz,DMSO-d6)δ11.00(s,1H),7.91(t,J=5.7Hz,1H),7.00(d,J=2.8Hz,1H),6.34(d,J=2.8Hz,1H),5.04(s,2H),4.10(q,J=7.1Hz,2H),3.18(q,J=5.6Hz,2H),2.78-2.66(m,2H),1.18(t,J=7.1Hz,3H).13C NMR(100MHz,DMSO-d6)δ169.3,164.4,152.8,128.7,123.7,123.4,105.8,61.0,50.5,37.8,31.4,14.5.HRMS(ESI):calcd for C12H16N3O4[M+H]+266.1135,found 266.1136.
I-23的合成:合成方法与I-18相同。白色固体,收率92%,熔点262-264℃。1H NMR(400MHz,DMSO-d6)δ11.00(s,1H),7.94(t,J=5.9Hz,1H),7.40-7.33(m,2H),7.13(d,J=2.8Hz,1H),7.09(d,J=8.3Hz,2H),6.36(d,J=2.7Hz,1H),5.51(s,2H),3.13(q,J=5.7Hz,2H),2.71(t,J=5.6Hz,2H).13C NMR(100MHz,DMSO-d6)δ163.7,152.4,138.3,131.7,128.5,128.4,127.6,123.7,122.7,106.0,50.1,37.3,31.3.HRMS(ESI):calcd for C15H15ClN3O2[M+H]+304.0847,found 304.0849.
I-24的合成:合成方法与I-18相同。白色固体,收率89%,熔点177-179℃。1H NMR(400MHz,DMSO-d6)δ10.97(s,1H),7.93(t,J=6.0Hz,1H),7.14-7.06(m,3H),6.99(d,J=8.0Hz,2H),6.33(d,J=2.8Hz,1H),5.48(s,2H),3.13(q,J=5.8Hz,2H),2.74-2.67(m,2H),2.55-2.51(m,2H),1.55-1.46(m,2H),1.31-1.24(m,2H),0.87(t,J=7.3Hz,3H).13C NMR(100MHz,DMSO-d6)δ164.2,152.9,141.6,136.9,128.8,128.0,127.2,124.0,123.3,106.3,50.9,37.8,34.9,33.6,31.9,22.2,14.2.HRMS(ESI):calcd for C19H24N3O2[M+H]+326.1863,found 326.1861.
I-25的合成:合成方法与I-18相同。白色固体,收率91%,熔点230-232℃。1H NMR(400MHz,DMSO-d6)δ10.98(s,1H),7.95(t,J=5.9Hz,1H),7.36-7.29(m,2H),7.08(d,J=2.8Hz,1H),7.05-6.98(m,2H),6.34(d,J=2.8Hz,1H),5.49(s,2H),3.15(q,J=5.8Hz,2H),2.71(dd,J=6.5,4.6Hz,2H),1.24(s,9H).13C NMR(100MHz,DMSO-d6)δ164.3,152.9,149.9,136.7,128.0,126.9,125.6,123.9,123.3,106.3,50.8,37.8,34.6,31.9,31.6.HRMS(ESI):calcd for C19H24N3O2[M+H]+326.1863,found 326.1862.
I-26的合成:合成方法与I-18相同。白色固体,收率94%,熔点230-232℃。1H NMR(400MHz,DMSO-d6)δ11.02(s,1H),7.96-7.86(m,3H),7.15(dd,J=5.7,2.8Hz,3H),6.39(d,J=2.8Hz,1H),5.61(s,2H),4.29(q,J=7.1Hz,2H),3.15(dd,J=11.6,5.4Hz,2H),2.72(t,J=5.5Hz,2H),1.30(t,J=7.1Hz,3H).13C NMR(100MHz,DMSO-d6)δ163.6,152.3,144.8,129.3,128.6,127.8,126.6,123.7,122.8,106.0,60.6,50.6,37.2,31.3,14.1.HRMS(ESI):calcd for C18H20N3O4[M+H]+342.1448,found 342.1450.
I-27的合成:合成方法与I-18相同。白色固体,收率95%,熔点200-202℃。1H NMR(400MHz,MeOD-d4)δ7.83-7.72(m,3H),7.52(s,1H),7.47-7.40(m,2H),7.25(dd,J=8.5,1.8Hz,1H),7.10(d,J=2.8Hz,1H),6.50(d,J=2.8Hz,1H),5.68(s,2H),3.27-3.22(m,2H),2.92-2.84(m,2H).13C NMR(101MHz,MeOD-d4)δ167.0,155.1,137.6,134.8,134.3,129.5,129.3,128.8,128.6,127.3,127.0,126.6,126.2,126.0,124.1,107.8,53.0,39.0,32.8.HRMS(ESI):calcd for C19H18N3O2[M+H]+320.1394,found 320.1394.
实施例7:Aldisin衍生物I-28~I-29的合成。
I-28的合成:称取化合物A(269mg,1.00mmol),碳酸钾(276mg,2mmol),溴乙酸乙酯(334mg,2.00mmol)于100mL圆底烧瓶,加入50mL丙酮,加热回流6h,TLC检测反应完全。减压脱溶,加入水,用乙酸乙酯萃取,饱和食盐水洗,无水硫酸镁干燥,柱层析分离(V石油醚∶V乙酸乙酯=1∶1),得米白色固体,收率84%,熔点154-155℃。1H NMR(400MHz,CDCl3-d)δ7.34-7.26(m,3H),7.13(d,J=7.4Hz,2H),6.84(d,J=2.3Hz,1H),6.53(d,J=2.3Hz,1H),6.20(t,J=6.3Hz,1H),5.57(s,2H),4.71(s,2H),4.25(q,J=7.3Hz,2H),3.37(q,J=5.8Hz,2H),3.03(t,J=5.5Hz,2H),1.30(t,J=7.1Hz,3H).13C NMR(100MHz,CDCl3-d)δ170.0,165.0,155.3,138.4,128.6,127.7,127.5,127.0,123.3,123.2,107.1,70.9,60.9,52.1,38.2,32.1,14.2.HRMS(ESI):calcd for C19H22N3O4[M+H]+356.1605,found 356.1602.
I-29的合成:合成方法与I-28相同,但须把反应时间延长至24h。白色固体,收率51%,熔点217-218℃。1H NMR(400MHz,CDCl3-d)δ7.40-7.32(m,4H),7.30-7.21(m,4H),7.09(d,J=6.9Hz,2H),6.80(d,J=2.8Hz,1H),6.54(d,J=2.8Hz,1H),6.45(t,J=5.8Hz,1H),5.54(s,2H),5.19(s,2H),3.29(q,J=6.0Hz,2H),2.96-2.88(m,2H).13C NMR(100MHz,CDCl3-d)δ163.8,152.6,137.3,136.9,127.6,127.3,127.1,126.8,126.8,126.4,126.0,122.9,121.8,105.9,75.3,51.0,37.3,31.1.HRMS(ESI):calcd for C22H22N3O2[M+H]+360.1707,found 360.1704.
实施例8:Aldisin衍生物I-30~I-35的合成。
I-30的合成:称取A(1.02g,4.00mmol)于100mL圆底烧瓶,加入40mL无水N,N-二甲基甲酰胺,冰浴条件下加入氢化钠(192mg,8mmol),反应1.5h后,加入溴乙酸乙酯(887μL,8mmol),撤去冰浴反应12h。加入少量冰水淬灭过量氢化钠,之后加入水,用乙酸乙酯萃取(4×50mL),合并有机相,无水硫酸钠干燥,减压脱溶,柱层析分离(V石油醚∶V乙酸乙酯=1∶1),得白色固体983mg,收率72%,熔点73-74℃。1H NMR(400MHz,CDCl3)δ7.33(q,J=6.8,6.1Hz,3H),7.18(d,J=7.3Hz,2H),6.85(d,J=2.8Hz,1H),6.72(d,J=2.5Hz,1H),5.58(s,2H),4.34(s,2H),4.22(q,J=7.2Hz,2H),3.75(t,J=5.6Hz,2H),2.96(t,J=5.2Hz,2H),1.28(t,J=7.2Hz,3H).13C NMR(100MHz,CDCl3)δ194.5,168.6,161.2,137.1,128.2,127.4,127.2,126.8,125.8,125.7,108.7,60.9,51.9,49.6,45.7,42.2,13.6.HRMS(ESI):calcd forC18H19N2O4[M+H]+327.1339,found 327.1338.
I-31的合成:合成方法与I-30相同。黄色油状液体,收率72%。1H NMR(400MHz,CDCl3)δ7.35-7.27(m,3H),7.17(d,J=7.4Hz,2H),6.84(t,J=2.5Hz,1H),6.71(t,J=2.4Hz,1H),5.59(s,2H),4.28-4.22(m,2H),3.74(s,2H),2.96(t,J=4.8Hz,2H),1.48(s,9H).13C NMR(100MHz,CDCl3)δ195.1,168.2,161.7,137.6,128.7,127.8,127.7,127.3,126.4,126.4,109.3,82.2,52.6,51.0,46.3,42.8,28.1,28.0,27.9.HRMS(ESI):calcd forC21H24N2O4Na[M+Na]+391.1628,found 391.1629.
I-32的合成:合成方法与I-30相同。白色固体,收率79%,熔点96-98℃。1H NMR(400MHz,CDCl3)δ7.31(dt,J=13.0,6.8Hz,3H),7.17(d,J=7.3Hz,2H),6.85(d,J=2.8Hz,1H),6.71(d,J=2.8Hz,1H),5.57(s,2H),4.35(s,2H),3.74(s,5H),3.02-2.88(m,2H).13CNMR(100MHz,CDCl3)δ195.0,169.6,161.8,137.5,128.7,128.0,127.7,127.3,126.5,126.2,109.4,52.6,52.37,50.1,46.3,42.7.HRMS(ESI):calcd for C18H19N2O4[M+H]+327.1339,found 327.1339.
I-33的合成:合成方法与I-30相同。黄色油状液体,收率71%。1H NMR(400MHz,CDCl3)δ7.34(s,4H),7.28(dt,J=11.9,6.7Hz,4H),7.17-7.12(m,2H),6.82(d,J=2.9Hz,1H),6.69(d,J=2.9Hz,1H),5.54(s,2H),5.16(s,2H),4.36(s,2H),3.75-3.65(m,2H),2.93-2.86(m,2H).13C NMR(100MHz,CDCl3)δ194.9,169.0,161.8,137.5,135.2,128.8,128.7,128.5,128.4,128.0,127.8,127.4,126.5,126.2,109.4,67.2,52.6,50.2,46.3,42.7.HRMS(ESI):calcd for C24H23N2O4[M+H]+403.1652,found 403.1652.
I-34的合成:合成方法与I-30相同。淡黄色固体,收率82%,熔点85-87℃。1H NMR(400MHz,CDCl3)δ7.33-7.29(m,2H),7.27-7.24(m,1H),7.18-7.13(m,2H),6.82(d,J=2.9Hz,1H),6.69(d,J=2.9Hz,1H),5.57(s,2H),4.23(s,2H),3.72(t,J=5.5Hz,2H),2.97-2.90(m,2H),1.45(s,9H).13C NMR(101MHz,CDCl3)δ195.1,168.2,161.7,137.6,128.7,127.8,127.7,127.4,126.4,126.4,109.3,82.2,52.6,51.0,46.3,42.8,28.1.HRMS(ESI):calcd for C21H24N2O4Na[M+Na]+391.1628,found 391.1630.
I-35的合成:合成方法与I-30相同。黄色油状液体,收率67%。1H NMR(400MHz,CDCl3)δ7.31-7.28(m,1H),7.27(s,1H),7.26-7.21(m,1H),7.11(d,J=6.8Hz,2H),6.89(d,J=2.9Hz,1H),6.71(d,J=2.9Hz,1H),5.64(d,J=15.1Hz,1H),5.52(d,J=15.1Hz,1H),5.18(dd,J=10.6,5.3Hz,1H),4.15(q,J=7.1Hz,2H),3.58(dt,J=23.7,12.0Hz,2H),3.00(dd,J=18.7,8.3Hz,1H),2.80(dd,J=18.8,10.0Hz,1H),2.12-1.99(m,1H),1.71(dq,J=7.4,4.3Hz,1H),1.23(t,J=7.1Hz,3H),0.77(t,J=7.4Hz,3H).13C NMR(100MHz,CDCl3)δ195.3,171.2,162.0,137.7,128.6,128.2,127.7,127.1,126.7,126.4,108.9,61.3,58.6,52.9,43.3,41.4,22.6,14.2,10.6.HRMS(ESI):calcd for C21H25N2O4[M+H]+369.1809,found 369.1812.
实施例9:抗烟草花叶病毒活性的测定,测定程序如下:
1、病毒提纯及浓度测定:
病毒提纯及浓度测定参照南开大学元素所生测室编制烟草花叶病毒SOP规范执行。病毒粗提液经2次聚乙二醇离心处理后,测定浓度,4℃冷藏备用。
2、化合物溶液配制:
称量后,化合物和病毒唑原药加入DMF溶解,制得1×105μg/mL母液,后用含1‰吐温80水溶液稀释至所需浓度。
3、活体保护作用:
选长势均匀一致的3-5叶期珊西烟,全株喷雾施药,每处理3次重复,并设1‰吐温80水溶液对照。24h后,叶面撒布金刚砂(500目),用毛笔蘸取病毒液,在全叶面沿支脉方向轻擦2次,叶片下方用手掌支撑,病毒浓度10μg/mL,接种后用流水冲洗。3d后记录病斑数,计算防效。
4、活体治疗作用:
选长势均匀一致的3-5叶期珊西烟,用毛笔全叶接种病毒,病毒浓度为10μg/mL,接种后用流水冲洗。叶面收干后,全株喷雾施药,每处理3次重复,并设1‰吐温80水溶液对照。3d后记录病斑数,计算防效。
5、活体钝化作用:
选长势均匀一致的3-5叶期珊西烟,将药剂与等体积的病毒汁液混合钝化30min后,摩擦接种,病毒浓度20μg/mL,接种后即用流水冲洗,重复3次,设1‰吐温80水溶液对照。3d后数病斑数,计算结果。
抑制率(%)=[(对照枯斑数-处理枯斑数)/对照枯斑数]×100%
首先在处理剂量500μg/mL条件下所有化合物的抗烟草花叶病毒活体钝化活性测试,将相对抑制率大于40%的化合物再进行处理剂量500μg/mL条件下的活体治疗和活性保护活性测试。阳性对照为商品化抗植物病毒药剂病毒唑。
表1 Aldisin衍生物的抗烟草花叶病毒(TMV)活性测试结果
从表1数据可见,在500μg/mL情况下,生物碱Aldisin的部分衍生物表现出不错的抗TMV活性,其中化合物I-11和I-13的抗TMV活性与商品化的病毒唑相当,而I-30具有显著优于病毒唑的抗TMV活性。
实施例10:杀虫活性测试,测定程序如下:
粘虫:试验方法为浸叶法。用玉米叶浸渍于丙酮配制的药液中5-6秒,取出,待药液干后接入10头3龄粘虫幼虫,主要为胃毒、触杀作用,同时观察幼虫取食现象。72小时后检查死亡率。
小菜蛾幼虫、棉铃虫以及玉米螟与粘虫同法。每个化合物测试两次(小菜蛾对应化合物测试三次),求其平均值。
蚊幼虫:尖音库蚊淡色亚种,室内饲养的正常群体。选取10头3龄库蚊幼虫,置于装有所需浓度实验液的100mL烧杯中。将其放入标准处理室内,72小时后检查死亡率,每个化合物测试两次,求其平均值。以含有1mL试验溶剂的水溶液为空白对照。
死亡率(%)=[(对照虫个数-存活虫个数)/对照虫个数]×100%
表2 Aldisin衍生物对粘虫和棉铃虫的杀虫活性测试结果
从表2数据可见,Aldisin衍生物的部分衍生物表现出杀粘虫和棉铃虫活性,其中化合物I-1、I-2、I-11和I-29对粘虫具有优异的杀虫活性;此外,化合物I-2和I-29对棉铃虫同样具有良好的杀虫活性。
表3 Aldisin衍生物对玉米螟和小菜蛾的杀虫活性测试结果
从表3数据可见,在600μg/mL条件下,Aldisin衍生物I-2和I-29中玉米螟的杀虫活性均超过65%;此外,化合物I-5、I-6、I-9、I-20、I-21、I-23、I-25、I-26和I-33对玉小菜蛾具有优异的杀虫活性。
表4 Aldisin衍生物对蚊幼虫的杀虫活性测试结果
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从表4数据可见,在10μg/mL条件下,一半以上的Aldisin衍生物对蚊幼虫具有杀虫活性。
实施例11:抗菌活性测试,测定程序如下:
菌体生长速率测定法(平皿法):用丙酮溶解待测化合物,再加入200μg/mL乳化剂水溶液以配制所需浓度的待测溶液。吸取1mL待测溶液于培养皿,再加入9mL培养基,搅拌均匀制成50μg/mL的含药平板,同时制备一个只添加1mL灭菌水的平板作为空白对照。用直径4mm的打孔器沿菌丝外缘切取菌盘,移至含药平板上和对照平板上。相同操作重复3次。最后将培养皿置于恒温培养箱,48小时后,测量菌落直径,并将3次测量平均值于空白对照相比,计算相对抑制率。
相对抑制率(%)=[(对照菌落直径-测试菌落直径)/对照菌落直径]×100%
表5 Aldisin衍生物的离体杀菌活性测试结果
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从表4数据可见,在50μg/mL的条件下,Aldisin衍生物I-1~I-35对14种被测试菌表现出广谱的抑制活性,其中化合物I-24对小麦纹枯的抑制率为79±1%、化合物I-27对油菜菌核的抑制活性为74±1%、化合物I-28对小麦赤霉的抑制活性为77±2%、化合物I-30对水稻纹枯的抑制活性为76±2%。
Claims (12)
1.如下所示结构的Aldisin衍生物I-1~I-35:
2.权利要求1中I-1的制备方法:其特征在于Aldisin衍生物I-1按照如下方法制备:室温下条件下,以Aldisin和4-甲基苯硼酸为原料,以二氯甲烷为溶剂,在水合醋酸铜和吡啶的催化作用下,得到化合物I-1,
3.权利要求1中I-2~I-9的制备方法:其特征在于Aldisin衍生物I-2~I-9按照如下方法制备:以Aldisin和溴代烷烃或碘代烷烃为反应物,以碳酸钠作碱,以乙腈做溶剂,在加热回流条件下,吡咯氮上的质子被碱夺去,进而与溴代烷烃或碘代烷烃发生亲核取代反应得到化合物I-2~I-9,
4.权利要求1中I-10~I-13的制备方法:其特征在于Aldisin衍生物I-10~I-13按照如下方法制备:以Aldisin和苄基溴为反应物,以碳酸钾作碱,以乙腈做溶剂,在加热回流条件下,得到化合物A;以化合物A为原料,以二氯甲烷为溶剂,在三乙胺催化下,在0度到室温条件下与酰氯发生亲核取代反应,得到酰胺氮上连羰基的衍生物I-10~I-13,
5.权利要求1中I-14的制备方法:其特征在于Aldisin衍生物I-14按照如下方法制备:以化合物A为原料,以N,N-二甲基甲酰胺为溶剂,在冰浴条件下利用氢化钠夺取酰胺氮上的氢,之后恢复至室温,与4-苯基苄基溴发生亲核取代反应得到化合物I-14,
6.权利要求1中I-15~I-17的制备方法:其特征在于Aldisin衍生物I-15~I-17按照如下方法制备:室温下条件下,以二氯甲烷为溶剂,以Aldisin和芳基硼酸为原料,在水合醋酸铜和吡啶的催化作用下,得到化合物B-1~B-3;分别以B-1~B-3为原料,无水甲醇作溶剂,醋酸钠作碱,加热回流条件下与盐酸羟胺发生缩合反应,分别得到吡咯氮上连芳基的化合物I-15~I-17,
7.权利要求1中I-18~I-27的制备方法:其特征在于Aldisin衍生物I-18~I-27按照如下方法制备:以Aldisin和溴代烷烃或碘代烷烃为反应物,以碳酸钠作碱,以乙腈做溶剂,在加热回流条件下,吡咯氮上的质子被碱夺去,进而与溴代烷烃或碘代烷烃发生亲核取代反应得到化合物C-1~C-10;分以化合物C-1~C-10为原料,无水甲醇作溶剂,醋酸钠作碱,加热回流条件下与盐酸羟胺发生缩合反应,分别得到吡咯氮上连亚甲基的衍生物I-18~I-27,
8.权利要求1中I-28~I-29的制备方法:其特征在于Aldisin衍生物I-28~I-29按照如下方法制备:以Aldisin衍生物I-18为原料,无水甲醇作溶剂,碳酸钾作碱,分别与溴乙酸乙酯,苄溴反应,得到相应的肟酯类衍生物I-28~I-29,
9.权利要求1中I-30~I-35的制备方法:其特征在于Aldisin衍生物I-30~I-35按照如下方法制备:以化合物A为原料,以N,N-二甲基甲酰胺为溶剂,在冰浴条件下利用氢化钠夺取酰胺氮上的氢,之后恢复至室温,与溴化物发生亲核取代反应得到化合物I-30~I-35,
10.权利要求1所述的Aldisin衍生物I-1~I-35在治疗植物病毒病方面的应用,其特征在于它作为抗植物病毒剂,能抑制烟草花叶病毒。
11.权利要求1所述的Aldisin衍生物I-1~I-35在杀虫方面的应用,其特征在于它作为农用杀虫剂,对粘虫、棉铃虫、玉米螟、小菜蛾和蚊幼虫中的一种或多种具有杀虫活性。
12.权利要求1所述的Aldisin衍生物I-1~I-35在杀菌方面的应用,其特征在于它作为抗植物病菌剂,对黄瓜枯萎,花生褐斑,苹果轮纹,小麦纹枯,玉米小斑,西瓜炭疽,水稻恶苗,番茄早疫,小麦赤霉,水稻稻瘟,辣椒疫霉,油菜菌核,黄瓜灰霉和水稻纹枯病菌中的一种或多种具有抑制活性。
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