CN114805358B - Glyantrypine家族生物碱衍生物及其制备和在防治植物病毒病菌病中的应用 - Google Patents
Glyantrypine家族生物碱衍生物及其制备和在防治植物病毒病菌病中的应用 Download PDFInfo
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- CN114805358B CN114805358B CN202110107383.2A CN202110107383A CN114805358B CN 114805358 B CN114805358 B CN 114805358B CN 202110107383 A CN202110107383 A CN 202110107383A CN 114805358 B CN114805358 B CN 114805358B
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
本发明涉及Glyantrypine家族生物碱衍生物I‑1~I‑10及其制备方法和在防治植物病毒病菌病中的应用。本发明的Glyantrypine家族生物碱衍生物I‑1~I‑10显示出抗植物病毒活性,能很好地抑制烟草花叶病毒,同时该类化合物也表现出广谱的抗植物病菌活性,且对苹果轮纹病菌的抑制活性突出。
Description
技术领域
本发明涉及Glyantrypine家族生物碱衍生物及其制备和在防治植物病毒病菌病中的应用,属于农业防护技术领域。
背景技术
Glyantrypine家族生物碱是含吡嗪[2,1-b]喹唑啉-3,6-二酮骨架并与吲哚相连的一大类生物碱,主要来自海洋和陆地真菌的次级代谢产物。1992年帝国理工大学Mantle课题组从Aspergillus clavatus的次级代谢产物中分离出glyantrypine生物碱,并通过生物合成分析、质谱、核磁共振氢谱碳谱对其结构进行了鉴定(J.Chem.Soc.,Perkin Trans 11992,1495-1496.)。1995年大阪药科大学Numata课题组从深海鱼Pseudolabrus japonicus胃肠道分离物Aspergillus fumigatus中分离出七个新的fumiquinazolines(FQs)A-G生物碱,通过光谱、X射线分析和一些化学转化确立了它们的立体结构和构型。所有的该类化合物对培养的P388细胞显示出中等的细胞毒性(J.Chem.Soc.,Perkin Trans.1 1995,2345-2353.)。2013年中国海洋大学李德海课题组从红树林真菌Cladosporium sp.PJX-41培养液中分离出6种新的吲哚类生物碱,包括5种新的glyantrypine衍生物和一种新的吡嗪基喹唑啉衍生物,对这一系列化合物的抗病毒活性的研究表明,3-羟基取代的glyantrypine表现出较弱的抗H1N1活性(J.Nat.Prod.2013,76,1133-1140.)。目前为止,还没有关于Glyantrypine家族生物碱衍生物I-1~I-10合成方法以及Glyantrypine家族生物碱衍生物在防治植物病毒病菌病方面的报道。
发明内容
针对现有技术不足,本发明提供Glyantrypine家族生物碱衍生物及其制备方法和在防治植物病毒病菌病中的应用。本专利的Glyantrypine家族生物碱衍生物具有很好的抗植物病毒和病菌活性。
本发明的Glyantrypine家族生物碱衍生物为下述I-1~I-10所示的化合物(结构式一)。
上述化学结构式I-1~I-10的合成方法如下:
Glyantrypine家族生物碱衍生物I-1~I-2的合成:按照方程式一所示的方法制备,首先以乙腈做溶剂,三乙胺做缚酸剂,靛红酸酐(1)和L-色氨酸甲酯盐酸盐(2)80℃加热生成中间体3,然后以二氯甲烷作溶剂,中间体3和相应的Fmoc-丙氨酰氯室温反应生成中间体4a~4b,然后以二氯甲烷作溶剂溶,中间体4a~4b在Ph3P、I2、DIEA的作用下,室温反应生成中间体5a~5b,中间体5a~5b在二氯甲烷溶剂中与哌啶室温反应2h,然后以乙腈为溶剂,80℃加热生成I-1~I-2。
Glyantrypine家族生物碱衍生物I-3~I-7的合成:按照方程式二所示的方法制备,首先乙二醇做溶剂,邻氨基苯甲酰肼(6)与苯酐(7)反应生成中间体8,中间体8在POCl3中90℃加热条件下生成中间体9,中间体9在相应的胺中60℃加热生成I-3~I-7。
Glyantrypine家族生物碱衍生物I-8~I-10的合成:按照方程式三所示的方法制备,以间二甲苯作溶剂,相应的邻氨基苯甲酰胺10a~10c与4,4-二甲基环己酮(11)在对甲苯磺酸一水合物的作用下150℃加热生成I-8~I-10。
本发明的Glyantrypine家族生物碱衍生物I-1~I-10表现出很好的抗植物病毒和病菌活性,能很好地抑制烟草花叶病毒(TMV)和黄瓜枯萎,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,水稻纹枯14种植物病菌。
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:Glyantrypine家族生物碱衍生物I-1的合成。
第一步,中间体3的合成。将靛红酸酐(1)(15g,92mmol)和L-色氨酸甲酯盐酸盐(2)(24g,92mmol),三乙胺(14mL,96.6mmol)加入到乙腈中,80℃加热。TLC检测反应结束,旋掉大部分溶剂,加入乙酸乙酯溶解,用饱和食盐水洗涤有机相,用石油醚/乙酸乙酯重结晶,得黄色固体26g,收率85%,熔点125-127℃。1H NMR(400MHz,CDCl3)δ8.21(s,1H),7.56(d,J=7.9Hz,1H),7.34(d,J=8.1Hz,1H),7.20-7.15(m,3H),7.10(t,J=7.5Hz,1H),6.99(d,J=1.9Hz,1H),6.69-6.59(m,2H),6.55(t,J=7.5Hz,1H),5.48(s,2H),5.08(dd,J=12.8,5.4Hz,1H),3.71(s,3H),3.42(dd,J=5.2,1.9Hz,2H).13C NMR(100MHz,CDCl3)δ172.6,168.8,148.9,136.2,132.6,127.6,127.6,122.9,122.3,119.7,118.7,117.3,116.6,115.3,111.3,110.2,53.1,52.5,27.7.C19H20N3O3[M+H]+338.1499,found 338.1495.
第二步,中间体4a的合成。将中间体3(5g,14.8mmol)和Fmoc-D-ala-Cl(5.6g,17.8mmol)加入到二氯甲烷中,室温反应过夜,TLC检测反应结束,加入饱和碳酸钠溶液淬灭,饱和食盐水洗涤有机相,二氯甲烷/石油醚重结晶得黄色固体6.5g,收率81%,熔点145-147℃。1H NMR(400MHz,CDCl3)δ11.23(s,1H),8.55(d,J=8.2Hz,1H),8.40(s,1H),7.77(d,J=7.3Hz,2H),7.64(dd,J=18.0,7.1Hz,2H),7.49(d,J=7.7Hz,1H),7.46-7.36(m,3H),7.35-7.27(m,4H),7.15(t,J=7.4Hz,1H),7.05(t,J=7.5Hz,1H),7.02-6.92(m,2H),6.70(d,J=7.5Hz,1H),5.50(d,J=6.3Hz,1H),5.03(s,1H),4.46(d,J=7.3Hz,1H),4.41-4.35(m,2H),4.26(t,J=6.7Hz,1H),3.71(s,3H),3.49-3.38(m,1H),3.32-3.21(m,1H),1.48(d,J=6.7Hz,3H).13C NMR(100MHz,CDCl3)δ172.1,171.2,168.3,156.0,144.1,143.8,141.3,139.0,136.2,132.8,127.7,127.5,127.1,126.8,125.3,125.2,125.1,123.2,123.0,122.3,121.4,120.3,120.0,119.7,118.4,111.5,109.7,67.2,53.3,52.6,51.9,47.3,27.9,19.1.C37H35N4O6[M+H]+631.2551,found 631.2548.
第三步:I-1合成。将中间体4a(1g,1.6mmol),碘单质(2g,8mmol),三苯基膦(2.1g,8mmol),N,N-二异丙基乙胺(2.5mL,16mmol)加入到二氯甲烷中,室温搅拌。TLC检测反应结束,饱和碳酸钠溶液、饱和食盐水洗涤有机相,柱层析(V(石油醚)∶V(乙酸乙酯)=5∶1,with2%Et3N)、(V(石油醚)∶V(乙酸乙酯)=3∶1 with 2%Et3N)、(V(石油醚)∶V(乙酸乙酯)=1∶1with 2%Et3N),得到化合物5a和三苯基氧膦的混合物。将得到的混合物、哌啶(5mL)加入到二氯甲烷中,室温搅拌两个小时,旋掉溶剂,加入乙腈,80℃加热。TLC检测反应结束,旋掉溶剂,柱层析(V(乙酸乙酯)∶V(二氯甲烷)∶V(甲醇)=50∶45∶5)得白色固体200mg,产率35%,熔点122-124℃。1H NMR(400MHz,CDCl3)δ8.41-8.31(m,2H),7.76(t,J=7.5Hz,1H),7.59(d,J=8.1Hz,1H),7.52(t,J=7.5Hz,1H),7.38(d,J=8.0Hz,1H),7.29(d,J=8.1Hz,1H),7.11(t,J=7.6Hz,1H),6.90(t,J=7.5Hz,1H),6.85(s,1H),6.70(s,1H),5.73-5.62(m,1H),3.73-3.55(m,2H),3.17(q,J=6.4Hz,1H),1.37(d,J=6.5Hz,3H).13C NMR(100MHz,CDCl3)δ169.4,160.8,151.7,147.1,136.0,134.7,127.4,127.3,127.1,126.8,123.6,122.5,120.2,120.0,118.5,111.3,109.4,57.6,49.2,27.1,19.0.C21H18N4O2[M+H]+359.1503,found 359.1506.
实施例2:Glyantrypine家族生物碱衍生物I-2的合成。
第一步,中间体4b的合成。将中间体3(5g,14.8mmol)和Fmoc-L-ala-Cl(5.6g,17.8mmol)加入到二氯甲烷中,室温反应过夜,TLC检测反应结束,加入饱和碳酸钠溶液淬灭,饱和食盐水洗涤有机相,二氯甲烷/石油醚重结晶得黄色固体6.7g,产率83%,熔点128-130℃。1H NMR(400MHz,CDCl3)δ11.49(s,1H),8.58(d,J=8.2Hz,1H),8.15(s,1H),7.76(d,J=7.2Hz,2H),7.66(d,J=6.4Hz,1H),7.61-7.55(m,1H),7.52-7.44(m,2H),7.43-7.37(m,2H),7.37-7.27(m,4H),7.17(t,J=7.5Hz,1H),7.09-7.03(m,1H),6.99(t,J=7.6Hz,1H),6.95(s,1H),6.73(d,J=7.4Hz,1H),5.55(d,J=6.2Hz,1H),5.04(dd,J=12.5,5.2Hz,1H),4.50-4.32(m,3H),4.30-4.23(m,1H),3.73(s,3H),3.44-3.31(m,2H),1.54(d,J=6.6Hz,3H).13C NMR(100MHz,CDCl3)δ172.1,172.0,171.3,168.4,156.0,144.1,143.8,141.3,139.1,136.2,132.9,127.7,127.5,127.1,127.0,125.3,125.2,125.1,123.2,123.0,122.3,122.2,121.4,120.1,120.0,119.8,119.6,118.4,111.5,109.5,67.6,53.4,52.6,52.0,47.2,27.3,19.1.C37H35N4O6[M+H]+631.2551,found 631.2549.
第二步,I-2合成。将中间体4b(1g,1.6mmol),碘单质(2g,8mmol),三苯基膦(2.1g,8mmol),N,N-二异丙基乙胺(2.5mL,16mmol)加入到二氯甲烷中,室温搅拌。TLC检测反应结束,饱和碳酸钠溶液、饱和食盐水洗涤有机相,柱层析(V(石油醚)∶V(乙酸乙酯)=5∶1,with2%Et3N)、(V(石油醚)∶V(乙酸乙酯)=3∶1with 2%Et3N)、(V(石油醚)∶V(乙酸乙酯)=1∶1with 2%Et3N),得到化合物5b和三苯基氧膦的混合物。将得到的混合物、哌啶(5mL)加入到二氯甲烷中,室温搅拌两个小时,旋掉溶剂,加入乙腈,80℃加热。TLC检测反应结束,旋掉溶剂,柱层析(V(乙酸乙酯)∶V(二氯甲烷)∶V(甲醇)=50∶45∶5)得白色固体166mg,产率29%,熔点126-128℃。1H NMR(400MHz,CDCl3)δ8.34(d,J=7.9Hz,1H),8.23(s,1H),7.75(t,J=7.6Hz,1H),7.57(d,J=8.1Hz,1H),7.51(t,J=7.5Hz,1H),7.37(d,J=8.0Hz,1H),7.27(d,J=8.2Hz,1H),7.10(t,J=7.7Hz,1H),6.89(t,J=7.5Hz,1H),6.69(s,1H),6.47(s,1H),5.66(t,J=3.9Hz,1H),3.72-3.59(m,2H),3.15-3.06(m,1H),1.35(d,J=6.5Hz,3H).13CNMR(100MHz,CDCl3)δ169.2,160.8,151.7,147.1,136.0,134.7,127.3,127.1,126.9,123.5,122.6,120.3,120.0,118.5,111.2,109.5,57.6,49.2,27.1,19.1.C21H19N4O2Na[M+Na]+381.1322,found 381.1318.
实施例3:Glyantrypine家族生物碱衍生物I-3的合成。
第一步,中间体8的合成。将邻氨基苯甲酰肼(6)(1.51g,10mmol)和苯酐(7)(1.48g,10mmol)加入到乙二醇中,150℃加热,TLC检测原料消失,冷却至室温,减压抽滤,用乙酸乙酯洗涤滤饼,得土黄色固体2.1g,产率80%,熔点288-290℃。1H NMR(400MHz,DMSO-d6)δ8.82(d,J=7.5Hz,1H),8.28(dd,J=8.0,1.0Hz,1H),8.20(d,J=7.6Hz,1H),8.05-7.93(m,2H),7.93-7.89(m,1H),7.88-7.84(m,1H).7.64-7.56(m,1H).
第二步,中间体9的合成。将中间体8(1g,3.8mmol)加入到POCl3中,90℃加热,TLC检测原料消失,冷却至室温,将反应液缓慢倒入冰水中,减压抽滤得白色固体740mg,产率70%,熔点156-158℃。1H NMR(400MHz,DMSO-d6)δ8.95-8.89(m,1H),8.37-8.33(m,1H),8.22-8.18(m,1H),8.15-8.05(m,2H),8.02-7.96(m,1H),7.92-7.87(m,1H),7.67-7.60(m,1H).
第三步:I-3的合成。将中间体9(700mg,2.5mmol)加入到二乙基丁胺(5mL)中60℃加热,TLC检测反应结束,减压抽滤,得白色固体670mg,产率71%,熔点178-180℃。1H NMR(400MHz,DMSO-d6)δ8.89-8.84(m,1H),8.35-8.29(m,1H),8.23(d,J=7.2Hz,1H),7.97-7.88(m,2H),7.83-7.74(m,2H),7.51-7.46(m,1H),7.41(t,J=5.2Hz,1H),3.44-3.34(m,2H),1.94-1.81(m,1H),1.46-1.25(m,8H),0.91(t,J=7.4Hz,3H),0.83(t,J=7.1Hz,3H).13C NMR(100MHz,DMSO-d6)δ157.7,149.1,146.3,143.6,134.2,133.4,132.7,129.0,127.5,127.1,126.7,126.0,123.5,122.0,120.2,45.1,38.0,31.2,28.7,24.4,23.1,14.4,11.2.C23H27N4O[M+H]+375.2179,found 375.2177.
实施例4:I-4的合成。将中间体9(700mg,2.5mmol)加入到四氢吡咯(5mL)中60℃加热,TLC检测反应结束,减压抽滤,得黄色固体505mg,产率64%,熔点203-205℃。1H NMR(400MHz,DMSO-d6)δ8.99-8.90(m,1H),8.28(t,J=7.0Hz,2H),7.95(dd,J=9.2,4.9Hz,2H),7.91-7.80(m,2H),7.58-7.49(m,1H),3.78(t,J=6.4Hz,4H),1.98(t,J=6.5Hz,4H).13C NMR(100MHz,DMSO-d6)δ157.2,151.1,145.8,143.4,133.8,132.5,132.0,129.6,127.0,126.6,126.3,126.0,125.5,122.7,119.7,50.7,25.2.C19H17N4O[M+H]+317.1397,found 317.1395.
实施例5:I-5的合成。将中间体9(700mg,2.5mmol)加入到2-四氢糠胺(5mL)中60℃加热,TLC检测反应结束,减压抽滤,得黄色固体700mg,产率81%,熔点156-158℃。1H NMR(400MHz,DMSO-d6)δ8.90(d,J=6.9Hz,1H),8.40-8.32(m,1H),8.26(d,J=7.9Hz,1H),8.04-7.90(m,2H),7.90-7.76(m,2H),7.67(s,1H),7.52(t,J=7.1Hz,1H),4.37-4.27(t,J=7.1Hz,1H),3.86(dd,J=13.6,6.6Hz,1H),3.68(dd,J=14.1,7.0Hz,3H),2.08-1.80(m,3H),1.78-1.66(m,1H).13C NMR(100MHz,DMSO-d6)δ157.1,148.4,145.6,143.0,133.5,132.7,132.1,128.3,126.8,126.5,126.1,125.4,122.9,121.3,119.7,76.2,67.0,45.4,29.1,25.1.C20H19N4O2[M+H]+347.1503,found 347.1499.
实施例6:I-6的合成。将中间体9(700mg,2.5mmol)加入到环己甲胺(5mL)中60℃加热,TLC检测反应结束,减压抽滤,得白色固体528mg,产率59%,熔点214-216℃。1H NMR(400MHz,DMSO-d6)δ8.92-8.86(m,1H),8.36(d,J=6.9Hz,1H),8.24(d,J=7.7Hz,1H),7.99-7.90(m,2H),7.88-7.75(m,2H),7.57-7.43(m,2H),1.86(d,J=10.0Hz,3H),1.77-1.59(m,4H),1.32-1.11(m,4H),1.09-0.96(m,2H).13C NMR(100MHz,DMSO-d6)δ157.2,148.6,145.8,143.1,133.6,132.9,132.2,128.5,127.0,126.5,126.2,125.5,123.0,121.5,119.8,47.6,36.3,30.9,26.1,25.5.C22H23N4O[M+H]+359.1866,found 359.1863.
实施例7:I-7的合成。将中间体9(700mg,2.5mmol)加入到2-噻吩甲胺(5mL)中60℃加热,TLC检测反应结束,减压抽滤,得白色固体653mg,产率73%,熔点247-249℃。1H NMR(400MHz,DMSO-d6)δ8.92-8.85(m,1H),8.33-8.20(m,3H),8.00-7.91(m,2H),7.88-7.77(m,2H),7.57-7.50(m,1H),7.41-7.34(m,2H),7.00-6.96(m,1H),4.89(d,J=5.6Hz,2H).13CNMR(100MHz,DMSO-d6)δ157.7,148.3,146.3,143.6,142.2,134.3,133.5,133.0,129.1,127.5,127.5,127.4,127.0,126.7,126.1,125.4,123.3,121.8,120.3,40.5.C20H15N4OS[M+H]+359.0961,found 359.0959.
实施例8:I-8的合成。将2-氨基-4硝基苯甲酰胺(10a)(1.3g,7.35mmol)、5,5-二甲基-1,3-环己二酮(11)(1g,7.35mmol)、对甲苯磺酸一水合物(2.8g,14.7mmol)加入到间二甲苯中,150℃加热,TLC检测反应结束,乙酸乙酯萃取,饱和食盐水洗涤有机相,柱层析(V(石油醚)∶V(乙酸乙酯)=10∶1)得白色固体1.6g,产率77%,熔点145-147℃。1H NMR(400MHz,CDCl3)δ8.46-8.42(m,1H),8.38(d,J=8.7Hz,1H),8.21-8.15(m,1H),5.54(s,1H),2.83(s,2H),2.36(d,J=1.3Hz,3H),1.12(s,6H).13C NMR(100MHz,CDCl3)δ159.1,156.8,151.4,146.9,133.4,129.9,128.8,126.5,122.2,120.1,46.8,29.9,26.6,20.3.C15H16N3O3[M+H]+286.1186,found 286.1183.
实施例9:I-9的合成。将2-氨基-5氟苯甲酰胺(10b)(1.1g,7.35mmol)、5,5-二甲基-1,3-环己二酮(11)(1g,7.35mmol)、对甲苯磺酸一水合物(2.8g,14.7mmol)加入到间二甲苯中,150℃加热,TLC检测反应结束,乙酸乙酯萃取,饱和食盐水洗涤有机相,柱层析(V(石油醚)∶V(乙酸乙酯)=10∶1)得白色固体1.5g,产率81%,熔点112-114℃。1H NMR(400MHz,CDCl3)δ7.86(dd,J=8.6,2.9Hz,1H),7.60(dd,J=8.9,4.8Hz,1H),7.42(td,J=8.5,2.9Hz,1H),5.48(s,1H),2.78(s,2H),2.36(d,J=1.1Hz,3H),1.10(s,6H).13C NMR(100MHz,CDCl3)δ162.0,159.6(d,J=19.0Hz),153.8,143.1,133.6,129.3,128.8(d,J=8.2Hz),123.6(d,J=8.6Hz),122.7(d,J=24.1Hz),111.9(d,J=23.8Hz),46.8,29.9,26.7,20.6.C15H16FN2O[M+H]+259.1241,found 259.1238.
实施例10:I-10的合成。将2-氨基-5氯苯甲酰胺(10c)(1.2g,7.35mmol)、5,5-二甲基-1,3-环己二酮(11)(1g,7.35mmol)、对甲苯磺酸一水合物(2.8g,14.7mmol)加入到间二甲苯中,150℃加热,TLC检测反应结束,乙酸乙酯萃取,饱和食盐水洗涤有机相,柱层析(V(石油醚)∶V(乙酸乙酯)=10∶1)得白色固体1.6g,产率81%,熔点137-139℃。1H NMR(400MHz,CDCl3)δ8.19(d,J=2.4Hz,1H),7.66-7.60(m,1H),7.55-7.51(m,1H),5.48(s,1H),2.77(s,2H),2.34(d,J=1.2Hz,3H),1.09(s,6H).13C NMR(100MHz,CDCl3)δ159.4,154.8,144.9,134.6,133.5,132.2,129.3,128.1,126.4,123.4,46.9,29.9,26.7,20.5.C15H16ClN2O[M+H]+275.0946,found 275.0945.
实施例11: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。叶而收干后,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 Glyantrypine家族生物碱衍生物I-1~I-10的抗烟草花叶病毒(TMV)活性测试结果:
从表中数据得出,Glyantrypine家族生物碱衍生物I-1~I-10在处理剂量为500μg/mL的浓度下都表现出不错的抗TMV活性,其中衍生物I-1~I-4、I-6、I-9、I-10都表现出与病毒唑相当或优于病毒唑的抗TMV活性。
实施例12:抗菌活性测试,测定程序如下:
离体杀菌测试,菌体生长速率测定法(平皿法):
将一定量药剂溶解在适量丙酮内,然后用含有200μg/mL乳化剂水溶液稀释至所需浓度,然后各吸取1mL药液注入培养皿内,再分别加入9mL培养基,摇匀后制成50μg/mL的含药平板,以添加1mL灭菌水的平板做空白对照。用直径4mm的打孔器沿菌丝外缘切取菌盘,移至含药平板上。每处理重复三次。将培养皿放在24±1℃恒温培养箱内培养。48小时后调查各处理菌盘扩展直径,求平均值,与空白对照比较计算相对抑菌率。
表2 Glyantrypine家族生物碱衍生物I-1~I-10的抗植物病菌活性测试结果:
Glyantrypine家族生物碱衍生物在测试浓度为50μg/mL的条件下对14种被测试菌都表现出广谱的抑制活性。化合物I-1、I-5对苹果轮枯的抑制率均大于90%、I-2对辣椒疫霉的抑制率高达97%,高于商品化品种百菌清和多菌灵。
Claims (4)
1.一种glyantrypine家族生物碱衍生物,其特征在于所述的glyantrypine家族生物碱衍生物为如下结构所示的I-3~I-7中一种:
2.权利要求1所述的glyantrypine家族生物碱衍生物I-3~I-7的制备方法:其特征在于I-3~I-7按照如下方法制备:首先乙二醇做溶剂,邻氨基苯甲酰肼(6)与苯酐(7)反应生成中间体8,中间体8在POCl3中90℃加热条件下生成中间体9,中间体9在相应的胺中60℃加热生成I-3~I-7,
3.权利要求1所述的glyantrypine家族生物碱衍生物I-3~I-7在防治植物病毒病中的应用,其特征在于它作为抗植物病毒剂,能抑制烟草花叶病毒、辣椒病毒、水稻病毒、番茄病毒、甘薯病毒、马铃薯病毒和瓜类病毒及玉米矮花叶病毒,可有效防治烟草、辣椒、水稻、番茄、甘薯、马铃薯、瓜类及玉米多种作物的病毒病。
4.权利要求1所述的glyantrypine家族生物碱衍生物I-3~I-7在防治苹果轮纹病和辣椒疫霉病中的应用。
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