CN102276552B - 含环丙烷基的1,3,4-噻二唑啉衍生物及其制备方法与作为杀菌剂的应用 - Google Patents
含环丙烷基的1,3,4-噻二唑啉衍生物及其制备方法与作为杀菌剂的应用 Download PDFInfo
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Abstract
本发明公开了一类含环丙烷基的1,3,4-噻二唑啉化合物及其制备方法与应用。该化合物的结构式如式I所示,其中,R为异丙基、萘基、苯基或带有1~3个取代基的苯基,所述带有1~3个取代基的苯基中的取代基选自下述基团中的任意一种:卤素、甲基、甲氧基、硝基、三氟甲基和七氟异丙基。制备方法如下:以1-乙酰基-1-氯代环丙烷与N-取代氨基硫脲进行缩合反应得到缩氨基硫脲化合物,再经MnO2关环反应得式I化合物。杀菌活性测定,结果表明化合物CAU2011-A及其制剂对油菜菌核病菌、茄绵疫病菌、番茄灰霉病菌、苗床立枯病菌、稻瘟病菌、芦笋茎枯病菌、小麦赤霉病菌、腐霉病菌、苗床猝倒病菌、花生黑斑病菌、葡萄白腐病菌、番茄叶霉病菌和西瓜炭疽病菌均具有良好的抑制生长作用。
Description
技术领域
本发明涉及一种含环丙烷基的1,3,4-噻二唑啉衍生物及其制备方法与作为杀菌剂的应用。
背景技术
含有3个杂原子的1,3,4-噻二唑衍生物是一类高生物活性的杂环化合物,该类化合物因N-C-S基团而具有独特的杀虫、杀螨、杀菌、除草以及植物生长调节等广谱活性,在农业上可用作杀虫剂、杀螨剂、杀菌剂、除草剂、植物生长调节剂和驱虫药。
目前许多这种类型的农药已经商品化,具有很好的生物活性。发明人前期研究的2-十二亚甲基-5-(取代亚胺基)-1,3,4-噻二唑啉、2-六亚甲基-5-(取代亚胺基)-1,3,4-噻二唑啉、大环内酯/内酰胺-1,3,4-噻二唑啉以及呋喃糖基修饰的1,3,4-噻二唑化合物大多具有较好的杀菌活性,部分有进一步开发的价值。近年来以1,3,4-噻二唑结构为母体进行结构修饰从而获得具有更好生物活性的药物品种是研究的热点。
发明内容
本发明的目的是提供含环丙烷基的1,3,4-噻二唑啉系列化合物CAU2011-A及其制备方法。
本发明所提供的化合物CAU2011-A的结构式如式I所示:
式I
其中,R为异丙基、萘基、苯基或带有1~3个取代基的苯基,所述带有1~3个取代基的苯基中的取代基选自下述基团中的任意一种:卤素(F、Cl、Br)、甲基、甲氧基、硝基、三氟甲基和七氟异丙基。
式I中的“Me”代表甲基。
所述带有1~3个取代基的苯基,当苯基为单取代时,取代基可为2位取代、3位取代或4位取代;当苯基为双取代时,取代基可为2,3位双取代、2,4位双取代、2,6位双取代、3,4位双取代或2,5位双取代;当苯基为三取代时,取代基可为2,4,5位三取代。
化合物CAU2011-A的制备方法,包括下述步骤:
1)将式II所示的化合物与式III所示的N-取代氨基硫脲进行缩合反应,得到式IV所示的缩氨基硫脲化合物;
2)式IV所示的缩氨基硫脲化合物经MnO2氧化关环反应,得到式I所示化合物;
(式II) (式III) (式IV)
其中,式III、式IV中R的定义同式I。
上述式III化合物可按照下述参考文献中的方法制备:Tisler M. Croat ChemActa,1956,28:147。
本发明的另一个目的是提供化合物CAU2011-A或其药学上可接受的盐的应用。
本发明所提供的应用是化合物CAU2011-A或其药学上可接受的盐在制备杀菌剂中的应用。
所述杀菌剂具体可用于杀灭下述至少一种病菌:油菜菌核病菌(Sclerotiniasclerotiorum)、茄绵疫病菌(Phytophthora parasitica Dast.)、番茄灰霉病菌(Botrytiscinerea Pers.)、苗床立枯病菌(Rhizoctonia solani Kuhn.)、稻瘟病菌(Pyricularia oryaeCav.)、芦笋茎枯病菌(Phomopsis asparagi)、小麦赤霉病菌(FusaHum graminearum)、腐霉病菌(Pythium aphanidermatum)、苗床猝倒病菌(Pythium aphanidermatum)、花生黑斑病菌(Ceroxpora personata)、葡萄白腐病菌(Coniothyrium diplodiella)、番茄叶霉病菌(Fulvia fulva)和西瓜炭疽病菌(Colletotrichum orbiculare)。
本发明的再一个目的是提供一种杀菌剂及其制剂。
本发明所提供的杀菌剂,其活性成分为式I所示化合物或其药学上可接受的盐。
本发明所提供的杀菌剂乳油,由下述质量百分含量的物质组成:1~10%式I所示化合物或其药学上可接受的盐,5~15%乳化剂,0.1~1%渗透剂和余量的溶剂。
所述乳化剂为表面活性剂,如农乳0203B,农乳0208,OP-10(辛基苯酚聚氧乙烯(10)醚),吐温-60等;所述渗透剂可为GFC(顺丁烯二酸二辛酯磺酸钠);所述溶剂可为甲苯、二甲苯等。
本发明所提供的杀菌剂可湿性粉剂,由下述质量百分含量的物质组成:15~50%式I所示化合物或其药学上可接受的盐,10~20%表面活性剂(如表面活性剂亚甲基二萘磺酸钠(NNO)),和30~75%白碳黑。
本发明还保护一种杀菌剂组合物,其活性成分由a)和b)组成,所述a)为式I所示化合物或其药学上可接受的盐,所述b)为下述至少一种杀菌剂:百菌清、异菌脲、多菌灵,所述a)和b)的质量比为(1-90)∶(10-99)。该杀菌剂组合物也可配制成乳油或可湿性粉剂。
本发明制备化合物CAU2011-A所需原料便宜,反应路线简单,产物杀菌谱更广。杀菌活性测定结果表明,CAU2011-A对油菜菌核病菌、茄绵疫病菌、番茄灰霉病菌、苗床立枯病菌、稻瘟病菌、芦笋茎枯病菌、小麦赤霉病菌、腐霉病菌、苗床猝倒病菌、花生黑斑病菌、葡萄白腐病菌、番茄叶霉病菌和西瓜炭疽病菌均具有良好的抑制生长作用。
附图说明
图1为化合物CAU2011-A-17的核磁共振氢谱图。
图2为化合物CAU2011-A-17的质谱图。
图3为实施例1制备化合物CAU2011-A-04的反应流程图。
具体实施方式
下面通过具体实施例对本发明进行说明。应当注意到,这里给出的描述和实施例仅仅是为了描述本发明的具体实施方式,使技术人员更容易理解本发明,它们并非意欲限定本发明的范围。
下述实施例中所述实验方法,如无特殊说明,均为常规方法;所述试剂和材料,如无特殊说明,均可从商业途径获得。
1-乙酰基-1-氯代环丙烷即式II所示化合物购于Aurora Fine Chemicals LLC。
实施例1、化合物CAU2011-A-04(式I中R=4-Cl-3-CF3-苯基)的制备及结构鉴定
在100mL圆底烧瓶中加入1-乙酰基-1-氯代环丙烷(0.78g,6.6mmol),N-4-Cl-3-CF3-苯基氨基硫脲(1.48g,5.5mmol),无水二氯甲烷30mL溶解,加热回流5h,反应结束后浓缩,用乙醇重结晶析出白色固体,所得固体烘干后进入下一步。将所得到的产品溶于适量的氯仿中,加入二氧化锰3.8g,室温下搅拌2h,反应结束后过滤除去二氧化锰,滤液减压脱溶,粗产品柱层析(石油醚∶乙酸乙酯30∶1,v/v)得橘黄色固体CAU2011-A-04,重量1.65g。收率为70%。m.p.82.1-83.0。
结构确证数据:
1H NMR(300 MHz,CDCl3)δ0.70-0.78(m,1H,CH2),1.12-1.20(m,1H,CH2),1.38-1.46(m,1H,CH2),1.72-1.80(m,1H,CH2),2.03(s,3H,CH3C),7.39-7.43(m,2H,ArH),7.58-7.64(m,2H,ArH).m/z:390.6(M++Na)。
其他通式为CAU2011-A的系列化合物均按照上述方法制备得到。它们的化合物编号,R对应的取代基团、理化数据见表1,结构鉴定的核磁共振氢谱、质谱数据见表2。
实施例2、化合物CAU2011-A-04乳油的配制
在100mL容量瓶中加入化合物CAU2011-A-045g,乳化剂(OP-10)10g,渗透剂0.6g,然后用甲苯定容得含量为5%的乳油。
其他通式为CAU2011-A化合物的乳油均可按照上述方法制备得到。
实施例3、化合物CAU2011-A-04可湿性粉剂的配制
取化合物CAU2011-A-0435g,表面活性剂NNO15g,白碳黑50g,经混合粉碎后得含量为35%的可湿性粉剂。
其他通式为CAU2011-A的化合物的可湿性粉剂均可按照上述方法制备得到。
实施例4、化合物CAU2011-A-04与百菌清的杀菌剂组合物乳油的配制
在100mL容量瓶中加入化合物CAU2011-A-043.5g,百菌清1.5g(CAU2011-A-04与百菌清的质量比为70∶30),乳化剂(OP-10)10g,渗透剂0.6g,然后用甲苯定容得含量为5%的乳油。
实施例5、化合物CAU2011-A-04与百菌清的杀菌剂组合物可湿性粉剂的配制
取化合物CAU2011-A-0421g,百菌清9g(CAU2011-A-04与百菌清的质量比为70∶30),表面活性剂NNO15g,白碳黑50g,经混合粉碎后得含量为31.6%的可湿性粉剂。
实施例6、通式为CAU2011-A的化合物的杀菌活性测定
测定方法:采用生长速率测定法,即将不同浓度的药液与融化的培养基混合,制成带毒培养基平面,在平面上接种病原菌,以病菌生长速率的快慢来判定药剂毒力的大小。通式为CAU2011-A的化合物的杀菌活性见表3和表4。
实施例中所用的供试靶标
1.油菜菌核病菌,病原[Sclerotinia sclerotiorum(Lib)de Bary],参考文献:Li,J.J.J. Agric.Food.Chem.2010,58,2659.
2.茄棉疫病菌,病原[Phytophthora parasitica Dast],参考文献:Chen,S.C.Chin.J.Org.Chem.2010,30,1768.
3.番茄灰霉病菌,病原[Botrytis cinerea Pers.],参考文献:Li,J.J.J. Agric.Food.Chem.2010,58,2659.
4.苗床立枯病菌,病原[Rhizoctonia solani Kuhn.],参考文献:Li,J.J.J. Agric.Food.Chem.2010,58,2659.
5.稻瘟病菌,病原[Pyricularia oryae Cav.],参考文献:Li,J.J.J. Agric.Food.Chem.2010,58,2659.
6.芦笋茎枯病菌,病原[Phomopsis asparagi(Sacc.)Bubak],参考文献:Li,J.J.J.Agric.Food.Chem.2010,58,2659.
7.腐霉病菌,病原[Pythium aphanidermatum],参考文献:李鹏,农药科学管理,2005,26,18.
8.苗床猝倒病菌,病原[Pythium aphanidermatum(Eds.)Fitzp],参考文献:Li,X.H.J. Agric.Food.Chem.2005,53,2202.
9.花生黑斑病菌,无性态为球座尾孢[Ceroxporapersonata(Berk.etCurt)Ell.et Ev.],参考文献:鄢洪海,湖北农业科学,2009,48,2145.
10.葡萄白腐病菌,病原[Coniothyrium diplodiella(Speg.)Sacc.],参考文献:冷德训,中国果树,2002,6,30.
11.番茄叶霉病菌,病原[Fulvia fulva(Cooke)Ciferri],参考文献:王美琴,山西农业大学学报,2002,22,227.
12.西瓜炭疽病菌,病原[Colletotrichum orbiculare(Berk,&Mont.)Arx],参考文献:唐建辉,中国农业科学,2006,39,2028.
13.小麦赤霉病菌,病原[FusaHum graminearum Sehw],参考文献:邵学会,现代农业科技,2008,1,71。
上述13种病菌可从中国农业大学获得。
表1通式为CAU2011-A的系列化合物的编号、取代基团、理化数据
(其中,Me:甲基;Naphthyl:萘基)
表2CAU2011-A系列化合物核磁共振氢谱、质谱数据
(Pos:质谱测定的正离子模式;Neg:质谱测定的负离子模式)
表3CAU2011-A系列化合物50mg/L浓度下对十三种植物病原菌的生长抑制率(%)
表3CAU2011-A系列化合物50mg/L浓度下对十三种植物病原菌的生长抑制率(%)
Claims (9)
2.根据权利要求1所述的化合物或其药学上可接受的盐,其特征在于:所述带有1~3个取代基的苯基为单取代苯基,取代基为2位取代、3位取代或4位取代;所述带有1~3个取代基的苯基为双取代苯基,取代基为2,3位双取代、2,4位双取代、2,6位双取代、3,4位双取代或2,5位双取代;所述带有1~3个取代基的苯基为三取代苯基,取代基为2,4,5位三取代。
4.权利要求1中式Ⅰ所示化合物或其药学上可接受的盐在制备杀菌剂中的应用。
5.根据权利要求4所述的应用,其特征在于:所述杀菌剂用于杀灭下述至少一种病菌:油菜菌核病菌(Sclerotinia sclerotiorum)、茄绵疫病菌(Phytophthora parasiticaDast.)、番茄灰霉病菌(Botrytis cinerea Pers.)、苗床立枯病菌(Rhizoctonia solaniKuhn.)、稻瘟病菌(Pyricularia oryae Cav.)、芦笋茎枯病菌(Phomopsis asparagi)、小麦赤霉病菌(FusaHum graminearum)、腐霉病菌(Pythium aphanidermatum)、苗床猝倒病菌(Pythium aphanidermatum)、花生黑斑病菌(Ceroxpora personata)、葡萄白腐病菌(Coniothyrium diplodiella)、番茄叶霉病菌(Fulvia fulva)和西瓜炭疽病菌(Colletotrichum orbiculare)。
6.一种杀菌剂,其活性成分为权利要求1中式Ⅰ所示化合物或其药学上可接受的盐。
7.一种杀菌剂乳油,由下述质量百分含量的物质组成:1~10%权利要求1中式Ⅰ所示化合物或其药学上可接受的盐,5~15%乳化剂,0.1~1%渗透剂和余量的溶剂。
8.一种杀菌剂可湿性粉剂,由下述质量百分含量的物质组成:15~50%权利要求1中式Ⅰ所示化合物或其药学上可接受的盐,10~20%表面活性剂,和30~75%白碳黑。
9.一种杀菌剂组合物,其活性成分由a)和b)组成,所述a)为权利要求1中式Ⅰ所示化合物或其药学上可接受的盐,所述b)为下述至少一种杀菌剂:百菌清、异菌脲、多菌灵,所述a)和b)的质量比为(1-90):(10-99)。
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| US4174398A (en) * | 1977-03-23 | 1979-11-13 | Bayer Aktiengesellschaft | Combating fungi with 1-alkyl-1-(1,3,4-thiadiazol-2-yl)-3-phenyl-ureas |
| US4412079A (en) * | 1968-03-13 | 1983-10-25 | Air Products And Chemicals, Inc. | Thiadiazole compounds and methods of using said compounds in agriculture |
| GB2138684A (en) * | 1983-04-19 | 1984-10-31 | Bayer Ag | Fungicidal agents containing thiadiaxolyl-ureas |
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| US4412079A (en) * | 1968-03-13 | 1983-10-25 | Air Products And Chemicals, Inc. | Thiadiazole compounds and methods of using said compounds in agriculture |
| US4174398A (en) * | 1977-03-23 | 1979-11-13 | Bayer Aktiengesellschaft | Combating fungi with 1-alkyl-1-(1,3,4-thiadiazol-2-yl)-3-phenyl-ureas |
| GB2138684A (en) * | 1983-04-19 | 1984-10-31 | Bayer Ag | Fungicidal agents containing thiadiaxolyl-ureas |
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| 杨旭等.2- (1, 5-亚戊基) -5-取代亚氨基-Δ3-1, 3, 4-噻二唑啉的合成及杀菌活性.《农药学学报》.2004,第6卷(第1期),22-25. |
| 杨旭等.2- (1, 5-亚戊基)-5-取代亚氨基-Δ3-1, 3, 4-噻二唑啉的合成及杀菌活性.《农药学学报》.2004,第6卷(第1期),22-25. * |
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