CN117402169A - 一种喹啉类化合物bbpq7及其制备方法和应用 - Google Patents
一种喹啉类化合物bbpq7及其制备方法和应用 Download PDFInfo
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- -1 Quinoline compound Chemical class 0.000 title claims abstract description 18
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 17
- 241000700605 Viruses Species 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- 150000003248 quinolines Chemical class 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 claims description 4
- 229940067157 phenylhydrazine Drugs 0.000 claims description 4
- XGNXYCFREOZBOL-UHFFFAOYSA-N 1,3-benzodioxol-5-amine Chemical compound NC1=CC=C2OCOC2=C1 XGNXYCFREOZBOL-UHFFFAOYSA-N 0.000 claims description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- MNDIARAMWBIKFW-UHFFFAOYSA-N 1-bromohexane Chemical compound CCCCCCBr MNDIARAMWBIKFW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004495 emulsifiable concentrate Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
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- 230000005764 inhibitory process Effects 0.000 description 6
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- YLEIFZAVNWDOBM-ZTNXSLBXSA-N ac1l9hc7 Chemical compound C([C@H]12)C[C@@H](C([C@@H](O)CC3)(C)C)[C@@]43C[C@@]14CC[C@@]1(C)[C@@]2(C)C[C@@H]2O[C@]3(O)[C@H](O)C(C)(C)O[C@@H]3[C@@H](C)[C@H]12 YLEIFZAVNWDOBM-ZTNXSLBXSA-N 0.000 description 4
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- FANCTJAFZSYTIS-IQUVVAJASA-N (1r,3s,5z)-5-[(2e)-2-[(1r,3as,7ar)-7a-methyl-1-[(2r)-4-(phenylsulfonimidoyl)butan-2-yl]-2,3,3a,5,6,7-hexahydro-1h-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol Chemical compound C([C@@H](C)[C@@H]1[C@]2(CCCC(/[C@@H]2CC1)=C\C=C\1C([C@@H](O)C[C@H](O)C/1)=C)C)CS(=N)(=O)C1=CC=CC=C1 FANCTJAFZSYTIS-IQUVVAJASA-N 0.000 description 3
- ASQOQJYHIYYTEJ-GBESFXJTSA-N (1r,7s,9as)-7-decyl-2,3,4,6,7,8,9,9a-octahydro-1h-quinolizin-1-ol Chemical compound O[C@@H]1CCCN2C[C@@H](CCCCCCCCCC)CC[C@H]21 ASQOQJYHIYYTEJ-GBESFXJTSA-N 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
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- 229940027991 antiseptic and disinfectant quinoline derivative Drugs 0.000 description 3
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- GVOISEJVFFIGQE-YCZSINBZSA-N n-[(1r,2s,5r)-5-[methyl(propan-2-yl)amino]-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 GVOISEJVFFIGQE-YCZSINBZSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- AMNAZJFEONUVTD-KEWDHRJRSA-N (2s,3s,4s,5r,6r)-6-(4-amino-2-oxopyrimidin-1-yl)-4,5-dihydroxy-3-[[(2s)-3-hydroxy-2-[[2-(methylamino)acetyl]amino]propanoyl]amino]oxane-2-carboxamide Chemical compound O1[C@H](C(N)=O)[C@@H](NC(=O)[C@H](CO)NC(=O)CNC)[C@H](O)[C@@H](O)[C@@H]1N1C(=O)N=C(N)C=C1 AMNAZJFEONUVTD-KEWDHRJRSA-N 0.000 description 2
- XDCOYBQVEVSNNB-UHFFFAOYSA-N 4-[(7-naphthalen-2-yl-1-benzothiophen-2-yl)methylamino]butanoic acid Chemical compound OC(=O)CCCNCc1cc2cccc(-c3ccc4ccccc4c3)c2s1 XDCOYBQVEVSNNB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- FEACDOXQOYCHKU-UHFFFAOYSA-N Gougerotin Natural products CNCC(=O)NC1=NC(=O)N(C=C1)C2OC(C(O)C(NC(=O)C(N)CO)C2O)C(=O)N FEACDOXQOYCHKU-UHFFFAOYSA-N 0.000 description 2
- IWUCXVSUMQZMFG-AFCXAGJDSA-N Ribavirin Chemical compound N1=C(C(=O)N)N=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](CO)O1 IWUCXVSUMQZMFG-AFCXAGJDSA-N 0.000 description 2
- 239000003443 antiviral agent Substances 0.000 description 2
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- 229960000329 ribavirin Drugs 0.000 description 2
- HZCAHMRRMINHDJ-DBRKOABJSA-N ribavirin Natural products O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1N=CN=C1 HZCAHMRRMINHDJ-DBRKOABJSA-N 0.000 description 2
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- SHAHPWSYJFYMRX-GDLCADMTSA-N (2S)-2-(4-{[(1R,2S)-2-hydroxycyclopentyl]methyl}phenyl)propanoic acid Chemical compound C1=CC([C@@H](C(O)=O)C)=CC=C1C[C@@H]1[C@@H](O)CCC1 SHAHPWSYJFYMRX-GDLCADMTSA-N 0.000 description 1
- BMHMKWXYXFBWMI-UHFFFAOYSA-N 3,4-Methylenedioxyacetophenone Chemical compound CC(=O)C1=CC=C2OCOC2=C1 BMHMKWXYXFBWMI-UHFFFAOYSA-N 0.000 description 1
- 241000243770 Bursaphelenchus Species 0.000 description 1
- 235000002566 Capsicum Nutrition 0.000 description 1
- 241000724252 Cucumber mosaic virus Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 241000758706 Piperaceae Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 240000003768 Solanum lycopersicum Species 0.000 description 1
- 241000985245 Spodoptera litura Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000003178 anti-diabetic effect Effects 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 230000000078 anti-malarial effect Effects 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 239000003472 antidiabetic agent Substances 0.000 description 1
- 239000003430 antimalarial agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
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- 238000007865 diluting Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- SRCZQMGIVIYBBJ-UHFFFAOYSA-N ethoxyethane;ethyl acetate Chemical compound CCOCC.CCOC(C)=O SRCZQMGIVIYBBJ-UHFFFAOYSA-N 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 239000004009 herbicide Substances 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 238000000746 purification Methods 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/14—Ortho-condensed systems
- C07D491/147—Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom
-
- 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
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明属于农药技术领域,提供了一种喹啉类化合物及其制备方法和应用。该喹啉类化合物的化学结构式为:。以烟草花叶病毒为试验对象发现,该化合物对植物病原性病毒具有很明显的抑制活性,可作为新型抗植物病毒的有效成分。
Description
技术领域
本发明属于农药技术领域,具体涉及一种喹啉类化合物及其制备方法和应用。
背景技术
植物病毒病是危害农作物的重要病原物之一。全球每年因植物病毒病造成粮食减产20-30%,经济损失达600亿美元以上。目前已知的植物病毒有900多种,造成1000多种病害,是仅次于真菌的第二大植物病害,因其难以有效防治,素有“植物癌症”之称。
近年来,植物病毒病在蔬菜、果树、花卉上的危害日益严重。其中,烟草花叶病毒(Tobacco mosaic virus,TMV)是全球发生最为普遍、危害最为严重的病毒之一,主要通过汁液传播,可广泛侵染烟草、番茄、辣椒等350多种植物,造成植物叶片花叶、生长畸形,植株发育迟缓、矮化等症状,严重降低作物的产量和品质。TMV在我国各省区均有发生,且呈现出逐年上升的发病趋势。然而,目前,仅有少数抗病毒药剂进入实用阶段,并且许多抗病毒药剂只能降低症状的严重度,远未达到有效而令人满意的应用效果。因此,开发新型的抗病毒活性化合物是一项极为紧迫的任务。
喹啉及其衍生物作为一类重要的含氮杂环化合物,因其具有低毒、高效、对环境友好结构变化多样等特点,广泛应用于药物化学和农业化学领域。在药理学上,喹啉衍生物表现出广泛的生物活性,如抗疟疾、抗菌、抗炎、降压、抗糖尿病、抗肿瘤以及抗生素类药物等。同时,在农业方面也有重要应用,如用作杀虫剂、杀菌剂、除草剂等。报道发现,喹啉腙类衍生物对农业害虫斜纹夜蛾幼虫和松材线虫的具有毒杀活性;含有吡唑环结构或苯酚类药效团的喹啉衍生物,表现出良好的抑菌活性。
发明内容
针对现有技术中的问题,本发明提供一种喹啉类化合物,能够应用于植物体发挥抗病毒作用。
本发明的另一目的是提供一种上述喹啉类化合物的制备方法。
为实现上述目的,本发明采用如下技术方案。
一种喹啉类化合物,简称BBPQ7,其化学结构式如式(I)所示:
式(I)。
上述喹啉类化合物的制备方法,包括以下步骤:
(1)和碳酸二乙酯于溶剂中在强碱性条件下隔氧反应获得化合物1a:/>;
(2)化合物1a和原甲酸三乙酯在乙酸酐中反应获得化合物2a:
;
(3)化合物2a和3,4-(亚甲二氧基)苯胺于溶剂中反应获得化合物3a:
;
(4)化合物3a和二苯醚反应得化合物4a:;
(5)化合物4a和1-溴代己烷于溶剂中在强碱性条件下反应得化合物5c:
;
(6)化合物5c和乙酸、苯肼反应得化合物BBPQ7:。
步骤(1)、(3)、(5)中,所述溶剂可以是四氢呋喃,N,N-二甲基甲酰胺,异丙醇。
一种上述喹啉类化合物BBPQ7在防治植物病毒中的应用。
一种包含上述喹啉类化合物BBPQ7的组合物。
上述喹啉类化合物BBPQ7在所述组合物中的质量百分含量为0.1%-99%。
所述组合物可以通过添加惰性辅料制备各种适于使用或适于附着到施用对象的各种形式,如,粉剂、可湿性粉剂、颗粒剂、乳油、悬乳剂、悬浮剂等。
本发明具有以下优点:
本发明的新型喹啉衍生物在喹啉结构的氮原子上进行芳基取代修饰,对烟草花叶病毒、黄瓜花叶病毒、具有很明显的抑制活性,可作为新型抗植物病毒的有效成分。
附图说明
图1是化合物BBPQ7的1H NMR谱图;
图2是化合物BBPQ7的13C NMR谱图;
图3是化合物BBPQ7的HRMS谱图。
具体实施方式
下面结合实施例和附图对本发明做进一步说明,但本发明不受下述实施例的限制。
实施例1 喹啉衍生物的合成
(1)1a的合成
取离心管加入干燥的THF (15 mL),加入3,4-(亚甲基二氧)苯乙酮(S0, 30mmol),0 ℃搅拌溶解获得S0溶液;
另取干净的100 mL烧瓶,依次加入NaH (60%矿物油,4.8 g, 120 mmol),无水THF(25 mL),碳酸二乙酯(19.4 mL,120 mmol);
氮气保护下将S0溶液在5 min内缓慢滴加到上述烧瓶,70 ℃加热回流反应;石油醚:乙酸乙酯(PE: EA=1: 5, v/v)为展开剂使用薄层层析(TLC)监测反应进程,回流6 h后在反应混合物中加1 mol/L HCl (30 mL)除去过量NaH结束反应;
向上述体系中加入水(20 mL),用乙酸乙酯萃取3次,每次20 mL;有机层再加饱和NaCl溶液萃取;有机层用Na2SO4干燥,48 ℃旋转蒸发仪旋干溶剂,油泵抽干,得到黄褐色油状物1a,产率72.2%。
(2)2a的合成
取50ml圆底烧瓶,加入化合物1a (5.1 g,21.6 mmol),CH(OEt)3(18 mL,108mmol),Ac2O (11 mL, 108 mmol),140 ℃回流16 h;反应物加25 mL的水,加EA萃取,有机层用无水Na2SO4干燥,然后柱层析纯化(PE: EA=3: 1, v/v)得到化合物2a,产率62.9%。
(3)3a的合成
取50 mL圆底烧瓶,加入化合物2a (4.0 g, 13.59 mmol),加入25 mL异丙醇,再加入3,4-(亚甲二氧基)苯胺(1.12 g, 8.15 mmol),反应半个小时后TLC监测反应进程(EA:PE=2: 1, v/v),4 h后反应完全,反应体系减压抽滤,滤饼加入乙醇清洗,油泵抽干,柱层析纯化(PE: EA=3: 1, v/v)得到白色沉淀3a,产率47.8%。
(4)4a的合成
5根10 mL高温反应管,每根反应管分别加入二苯醚5 mL,化合物3a 0.3 g,260 ℃回流反应,使用TLC石油醚:乙酸乙酯(PE: EA=1: 5, v/v)监测反应进程,5 h后反应完全;反应体系中加入PE萃取3次,每次20 mL,析出黑色固体,抽滤得固体并用乙酸乙酯清洗,得到黑色固体4a,产率63.9%。
(5)5c的合成
取50 mL圆底烧瓶加入化合物4a (300 mg),加入NaH (42.73 mg, 1.07 mmol),加入DMF (20 mL),加入C6H13-Br (105 μL, 0.75 mol),80 ℃回流8 h。甲醇:二氯甲烷(MeOH:DCM=1: 10, v/v)为展开剂TLC监测反应进程;8 h后反应完全,加1 mol/L HCl (30 mL)除去NaH,反应液旋转蒸发仪旋干,加入DCM (20 mL)萃取,有机层加NaHCO3洗,有机层旋干后过层析柱(MeOH: DCM=1: 20, v/v),得到褐色固体5c,产率61.5%。
(6)BBPQ7的合成
取高温反应管加入化合物5a 200 mg,加入5 mL的乙酸,加入31.9 μL苯肼,80 ℃回流TLC(MeOH: DCM=1: 10, v/v)监测反应进程,8 h后反应完全,旋干反应液,加1 mol/LHCl (30 mL)除去苯肼,加入DCM(20 mL)萃取,有机层加NaHCO3洗,有机层旋干后柱层析(MeOH: DCM=1: 20, v/v),得到黄色固体BBPQ7,即目的化合物,,产率46%;1H NMR (600MHz, DMSO-d6) δ 10.06 (s, 1H), 8.16 (s, 1H), 7.84-7.69 (m, 5H), 7.64 (h, J =1.8 Hz, 2H), 7.16 (d, J = 8.4 Hz, 1H), 6.64 (s, 1H), 6.33 (s, 2H), 6.15 (s,2H), 4.99 (t, J = 7.9 Hz, 2H), 1.87 (dd, J = 8.9, 3.0 Hz, 2H), 1.42 (p, J =7.7 Hz, 2H), 1.27 (dtt, J = 9.8, 7.1, 5.9, 2.5 Hz, 4H), 0.84 (t, J = 7.0 Hz,3H);13C NMR (151 MHz, DMSO) δ 153.35, 149.63, 149.44, 148.69, 144.92, 141.52,139.11, 133.46, 131.64, 130.87, 127.95, 123.66, 123.21, 114.01, 112.48,109.66, 108.52, 104.83, 102.28, 99.53, 66.29, 58.16, 40.18, 40.03, 39.90,31.31, 29.78, 25.79, 22.48, 14.38; HRMS (ESI) [M ]+calcd for C30H28O4N3 +:494.2074, found 494.1957;其1H NMR、13C NMR和HRMS分别如图1-3所示。
实施例2 化合物BBPQ7的抗病毒活性
(1)化合物溶液配制
准确称量化合物BBPQ7后,将其溶于DMSO溶液,配制5×105μg/mL母液,后用含1‰吐温80水溶液稀释至所需浓度;病毒唑和宁南霉素制剂直接兑水稀释使用。
(2)活体钝化作用
选长势均匀一致的4-6叶期珊西烟,将化合物BBPQ7与等体积的烟草花叶病毒(TMV)病毒粒子溶液混合孵育30 min后,摩擦接种,病毒浓度20 μg/mL。采用半叶法测定,同一叶片右侧接种化合物与病毒的混合液,左侧接种相同浓度的病毒与1‰吐温80水溶液,作为对照。接种后用流水冲洗,每处理重复3次。4-5 d后统计叶片病斑数,计算抑制率。
(3)活体保护作用
选长势均匀一致的4-6叶期珊西烟。采用半叶法测定,同一叶片右侧喷雾药剂,右侧喷雾1‰吐温80水溶液,作为空白对照。24 h后,叶面撒布金刚砂(500目),用毛笔蘸取病毒液,全叶摩擦接种TMV病毒,病毒浓度为10 μg/mL,接种后用流水冲洗。每处理重复3次。4-5 d后统计叶片病斑数,计算抑制率。
(4)活体治疗作用
选长势均匀一致的4-6叶期珊西烟,用毛笔全叶摩擦接种TMV病毒,病毒浓度为10μg/mL。接种2 h后用流水冲洗。叶面晾干后,采用半叶法测定,同一叶片右侧喷雾药剂,右侧喷雾1‰吐温80水溶液,作为对照。每处理重复3次。4-5 d后统计叶片病斑数,计算抑制率。
抑制率(%)=[(对照枯斑数-处理枯斑数)/对照枯斑数]×100%
表1 喹啉衍生物BBPQ7的抗TMV活性结果
从表1可以看出,化合物BBPQ7在3种作用方式下,均对TMV具有很好的抑制活性。化合物BBPQ7对TMV的钝化活性最强,其次为治疗活性。并且,在相同浓度下,BBPQ7的抑制活性与商品化药剂宁南霉素相当,明显优于病毒唑。综上,化合物BBPQ7作为一种结构新颖的植物病毒抑制剂,具有较大的开发和应用潜力。
Claims (7)
1.一种喹啉类化合物,其化学结构式如式(I)所示:
式(I)。
2.一种权利要求1所述的喹啉类化合物的制备方法,其特征在于,包括以下步骤:
(1)和碳酸二乙酯于溶剂中在强碱性条件下隔氧反应获得
;
(2)和原甲酸三乙酯在乙酸酐中反应获得化合物
;
(3)和3,4-(亚甲二氧基)苯胺于溶剂中反应获得
;
(4)和二苯醚反应获得/>;
(5)和1-溴代己烷于溶剂中在强碱性条件下反应得
;
(6)和乙酸、苯肼反应得化合物
。
3.一种如权利要求1所述的喹啉类化合物在防治植物病毒中的应用。
4.一种包含如权利要求1所述的喹啉类化合物的组合物。
5.根据权利要求4所述的组合物,其特征在于,喹啉类化合物在所述组合物中的质量百分含量为0.1%-99%。
6.根据权利要求4所述的组合物,其特征在于,所述组合物还包括惰性辅料。
7.根据权利要求4所述的组合物,其特征在于,所述组合物的剂型为粉剂、可湿性粉剂、颗粒剂、乳油、悬乳剂或悬浮剂。
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