CN87103623A - 杀真菌剂 - Google Patents

杀真菌剂 Download PDF

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CN87103623A
CN87103623A CN87103623.1A CN87103623A CN87103623A CN 87103623 A CN87103623 A CN 87103623A CN 87103623 A CN87103623 A CN 87103623A CN 87103623 A CN87103623 A CN 87103623A
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selecting
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CN1021720C (zh
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维维恩·玛格丽特·安东尼
约翰·马丁·克拉夫,保罗·德弗雷恩
克里斯托弗·理查德·艾尔斯戈弗雷
帕特里克·杰尔夫·克劳利
伊恩·弗格森
戈登·哈钦斯
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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Priority claimed from GB868609454A external-priority patent/GB8609454D0/en
Priority claimed from GB868630825A external-priority patent/GB8630825D0/en
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    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
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Abstract

本发明涉及适合农用,具有式(I)的丙烯酸衍生物(尤其可作为杀真菌剂,但也可作为植物生长调节剂、杀虫剂及杀线虫剂),制备它们的方法,含有它们的农用(特别是杀真菌)组合物以及用其消除真菌(特别是在植物中传染的真菌)的方法,调节植物生长的方法及杀灭或控制昆虫或线虫的方法。其中A,W,X,Y,Z,R1和R2和说明书相同。

Description

本发明涉及适合农用的丙烯酸衍生物(尤其可作为杀真菌剂,但也可作为植物生长调节剂、杀虫剂及杀线虫剂),制备它们的方法,含有它们的农用(特别是杀真菌)组合物以及用其消除真菌(特别是在植物中传染的真菌)的方法,调节植物生长的方法及杀灭或控制昆虫或线虫的方法。
本发明提供了化合物(Ⅰ),其立体异构体及其金属配合物,
Figure 87103623_IMG10
其中:
W是取代的吡啶基或取代的嘧啶基,并通过它们的任一环碳原子连接到A上;A是氧原子或S(O)n,这里的n为0、1或2;X、Y和Z可以相同或不同,它们可为氢原子或卤原子,或羟基、有选择取代的烷基(包括卤代烷基)、有选择取代的链烯基、有选择取代的炔基、有选择取代的烷氧基(包括卤代烷氧基)、有选择取代的烷硫基、有选择取代的芳氧基、有选择取代的芳烷氧基、有选择取代的酸基、有选择取代的氨基、有选择取代的酰氨基、硝基、氰基、-CO2R3、-CONR4R5、-COR6或-S(O)mR7(其中m为0、1或2),或当X、Y和Z中任意两个基团在苯环上处于相邻位置时,该两个基团可连接起来形成稠环,所说稠环或为芳香族的或为脂肪族的,可以有选择地含一个或多个杂原子;R1和R2可以相同或不同,它们可以是有选择取代的烷基(包括氟代烷基),其条件是W是5-三氟甲基吡啶-2-基,A是氧,X是氢,并且在R1和R2均为甲基,Y和Z不都是氢,Y不是F、Cl、甲基、硝基、5-CF3、5-SCH3或4-(CH32N时,其条件是Z是氢,Y和Z不同时是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基;R3、R4、R5、R6和R7可以相同或不同,它们可以是氢原子或有选择取代的烷基、有选择取代的环烷基、有选择取代的环烷基烷基、有选择取代的链烯基、有选择取代的炔基、有选择取代的芳基或有选择取代的芳烷基。
本发明的化合物至少含有一个碳-碳双键,并且常常是以其几何异构体混合物的形式制得。然而这些异构体混合物可分离成单一的异构体,本发明也包含这样的异构体及其按各种比例的混合物,这包括基本上是由(Z)异构体组成的混合物和基本上是由(E)异构体组成的混合物。
一般用术语“E”和“Z”表示不对称取代丙烯酸酯双键而产生的异构体,这些术语是按Cahnlngold-Prelog系统来定义的,在文献〔请参见如J    March“高等有机化学”(Advanced    organic    Chemistry)第三版,Wiley-Interscience    109页等〕中对此系统有详细叙述。
通常其中一种异构体一般比另一种异构体杀真菌的活性要高,相对于苯环而言,活性较高的异构体其中的-OR2基团在此双键同一例。在本发明化合物中,即为(E)异构体,(E)异构体构成本发明较好的实施方案。
本说明书将用式
Figure 87103623_IMG11
代表丙烯酸酯双键的两个几何异构体可分的混合物,即
Figure 87103623_IMG12
各烷基(无论是作为一个基团还是作为如“烷氧基”、“烷硫基”和“芳烷基”中的烷基部分)可以是直链的或支链的,并优选含1至6个碳原子的,最好选用含1至4个碳原子的,如甲基、乙基、丙基(正或异丙基)和丁基(正丁基、仲丁基、异丁基或叔丁基)。
有选择取代的烷基R1和R2优先选用有选择取代的C1-4、最好选用C1-2的烷基,优选的取代基可以是一个或多个氟原子。最优选的情况是R1和R2均为甲基,或者一个或两个甲基有选择地为一个、两个或三个氟原子所取代。
涉及的卤原子具体地讲是氟、氯或溴原子,特别是氟或氯原子。
优选的环烷基是C3-6环烷基,例如环己基,而优选的环烷基烷基是C3-6环烷基(C1-4)烷基,例如,环丙基乙基。优选的链烯基和炔基是含2-6、较好是含2-4个碳原子的直链或支链的链烯基或炔基,例如,乙烯基、烯丙基及炔丙基。优选的芳基是苯基,优选的芳烷基是苄基、苯乙基或苯基正丙基。有选择取代的烷基特别包括:卤代烷基、羟烷基、烷氧基烷基、有选择取代的芳烷基,尤其是有选择取代的苯烷基、有选择取代的芳氧基烷基,特别是有选择取代的苯氧基烷基;有选择取代的链烯基包括:有选择取代的苯链烯基,尤其是有选择取代的苯乙烯基;有选择取代的芳氧基包括有选择取代的苯氧基;有选择取代的芳烷氧基包括有选择取代的苄氧基。对于“烷氧基”和“烷硫基”的有选择的取代基包括上面对于“烷基”所述的取代基。
可存在于任何有选择取代的芳基或杂芳基部分的取代基包括下述的一个或多个基团:卤素、羟基、C1-4烷基(尤其是甲基和乙基)、C1-4烷氧基(特别是甲氧基)、卤代(C1-4)烷基(尤其是三氟甲基)、卤代(C1-4)烷基(尤其是三氟甲基)、卤代(C1-4)烷氧基(尤其是三氟甲氧基)、C1-4烷硫基(尤其是甲硫基)、(C1-4)烷氧基(C1-4)烷基、C3-6环烷基、C3-6环烷基(C1-4)烷基、芳基(尤其是苯基)、芳氧基(特别是苯氧基)、芳基(C1-4)烷基(特别是苄基、苯乙基和苯基正丙基)、芳基C1-4烷氧基(特别是苄氧基)、芳氧基(C1-4)烷基(特别是苯氧基甲基)、酰氧基(尤其是乙酰氧基和苯甲酰氧基)、氰基、氰硫基、硝基、-NR′R″、-NHCOR′、-NHCONR′R″、-CONR′R″、-COOR′、-OSO2R′、-SO2R′、-COR′、-OCOR′、-CR′=NR″或-N=CR′R″、(其中R′和R″可独立地为氢)、C1-4烷基、C1-4芳氧基、C1-4烷硫基、C3-6环烷基、C3-6环烷基(C1-4)烷基、苯基或苄基,所说的苯基或苄基可以用卤素、C1-4烷基或C1-4烷氧基有选择的取代。有选择取代的氨基、酰氨基和酰氧基包括:-NR′R″、-NHCOR′和-OCOR′,其中R′和R″的定义和上述相同。
在取代的吡啶环W或取代的嘧啶环W上的取代基可以是相同或不同的,其定义和上述的X、Y和Z相同。它们特别包括:卤原子、或羟基、有选择取代的烷基(包括卤代烷基),(尤其是C1-4烷基)、有选择取代的链烯基(尤其是C3-4链烯基)、有选择取代芳基、有选择取代的炔基(尤其是C3-4炔基)、有选择取代烷氧基(包括卤代烷氧基)(尤其是C1-4烷氧基)、有选择取代的芳氧基、有选择取代的杂环氧基(尤其是杂芳氧基)、有选择取代的芳基、有选择取代的杂环基,特别是五-和六-元碳-氮环,如
Figure 87103623_IMG13
、硝基、氰基、-NR′R″、-NHCOR′、-CONR′R″、-OCOR′、-CO2R′、-COR′、-CH=NOR″、-CH2NR′R″、-CH2OR′、-CH2NHCOR′、-CH2OCOR′或S(O)mR′(其中m为0,1或2)、或在吡啶或嘧啶环上的任意两个取代基在此环上处于相邻位置时,这两个取代基可连起来形成有选择取代的稠环,该稠环为芳族的或为脂族的、可以有选择地含一个或多个杂原子;R′、R″、R3、R4、R5、R6和R7定义同上。
在适当位置上带有羟基取代基的吡啶或嘧啶还可以相应的互变异构的氧代形式存在,即分别为相应的吡啶酮类或嘧啶酮类。就是说,在吡啶或嘧啶环W上有羟基取代基的话,本发明就包括所有的这种互变异构形式及其各种混合物〔例如参见G    R    Newkome和W    W    Paudler现代杂环化学(Contemporary    Heterocyclic    Chemistry)Wiley-Interscience    236-241页〕。
优选的取代基卤代烷基和卤代烷氧基是卤代C1-4烷基和卤代(C1-4)烷氧基;卤代烷基尤其包括三卤甲基,最好是三氟甲基(另有说明除外)。
优选的芳基或芳基部分〔如芳氧基中的芳基〕是苯基,而在取代的氨基或氨基部分上的取代基优先选用C1-4烷基。
优选的杂环基团或杂环部分(例如在杂环或杂环氧基中的杂环)可以是2-、3-、或4-有选择取代的嘧啶类或2-、4-或5-有选择取代的嘧啶类。
一方面,本发明提供了化合物(Ⅰ)及其立体异构体,
Figure 87103623_IMG14
在化合物(Ⅰ)中:W是取代的吡啶基或取代的嘧啶基,并通过它们的任意一个碳原子连接于A上,而其所带的取代基的定义同上;A是氧原子或S(O)n,其中n为0,1或2;X、Y和Z可以相同或不同,它们可以是氢、氟、氯或溴原子、或羟基、C1-4烷基、C2-5链烯基、C2-5炔基、苯基、C1-4卤代烷基、C1-4烷氧基、苯氧基、苄氧基、一或二烷基氨基,或此X、Y和Z中的任意两个基团在苯环上处于相邻位置时,这两个基团可以连接起来形成稠芳环;其中,上述任何基团的脂族部分可以有选择地由一个或多个下述基团所取代:C1-4烷氧基、氟、氯或溴原子、其本身为有选择取代的苯基、其本身为有选择取代的杂环(该杂环可以为芳族或非芳族的)、硝基、氨基、氰基、羟基或羧基;其中,上述的任何基团的苯基部分可以有选地由一个或多个下述基团取代:氟、氯或溴原子、苯基环、C1-4烷基、C1-4烷氧基、氰基、氨基、腈、羟基或羧基;R1和R2可以相同或不同,它们可以是C1-4烷基(尤其是均为甲基),所说的每一个烷基可以有选择地由一个、两个或三个卤原子(尤其是氟)所取代,其条件是W是5-三氟甲基吡啶-2-基,A是氧,X是氢,并且在R1和R2均为甲基,Y和Z不都为氢,Y不是氟、氯、甲基、硝基、5-CF3、5-SCH3或4-(CH32N时,其条件是Z是氢,Y和Z不同时是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基。
当X、Y和Z中的一个或一个以上不是氢时,它们最好为简单的原子或为空间上小的基团,例如氟、氯、溴、羟基、甲基、甲氧基、三氟甲基、甲氨基和二甲氨基。更为优选的情况是,这类取代基之一在苯环的5位上(丙烯酸酯基连接于其1位上),因为对植物毒性而论,这可以有种种优点,尤其其中只有如氯这样简单的取代基存在时。
另一方面,本发明提供了化合物(Ⅰa)及其立体异构体,
Figure 87103623_IMG15
其中,A是S(O)n,这里的n为0,1或2,或优先选用氧原子;W是取代的吡啶基或取代的嘧啶基,并通过它们的任意一个碳原子连接于A上,在吡啶或嘧啶环上的取代基可以相同或不同,可以为一个或多个卤原子、或羟基、有选择取代的烷基(包括卤代烷基)、有选择取代的链烯基、有选择取代的芳基、有选择取代的炔基、有选择取代的烷氧基(包括卤代烷氧基)、有选择取代的芳氧基、有选择取代的杂环氧基、有选择取代的杂环基、有选择取代的酰氧基、有选择取代的氨基、有选择取代酰氨基、硝基、氰基、-CO2R3、-CONR4R5、-COR6或S(O)mR7(其中m=0,1或2);如果W是5-三氟甲基吡啶-2-基,则A是氧和X是氢,并且在R1和R2都是甲基,Y和Z不都是氢,Y不是氟、氯、甲基、硝基、5-CF3、5-SCH3或4-(CH32N时,其条件是Z是氢,Y和Z不同时都是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基;R3、R4、R5、R6和R7的定义同上。
在吡啶或嘧啶环上优选的取代基为氯、氟、溴、甲基、三氟甲基(另有说明除外)、三氯甲基和甲氧基。
再一个方面,本发明提供了化合物(Ⅰb),
(化合物Ⅰb见下页)
Figure 87103623_IMG16
其中Q是甲基、三氟甲基(但不是5-三氟甲基)、甲氧基、溴、氟、或特别是氯。
Q在吡啶环上的优选位置是4-、5-或6-位,例如,当Q为甲基时,更优选的位置是在4-位上。
用列于下面表Ⅰ-Ⅲ中的化合物来说明本发明。
Figure 87103623_IMG17
Figure 87103623_IMG18
Figure 87103623_IMG19
Figure 87103623_IMG20
Figure 87103623_IMG21
Figure 87103623_IMG23
Figure 87103623_IMG24
Figure 87103623_IMG25
Figure 87103623_IMG26
Figure 87103623_IMG27
Figure 87103623_IMG28
Figure 87103623_IMG29
Figure 87103623_IMG30
Figure 87103623_IMG32
Figure 87103623_IMG33
Figure 87103623_IMG34
Figure 87103623_IMG35
Figure 87103623_IMG36
Figure 87103623_IMG37
Figure 87103623_IMG39
Figure 87103623_IMG40
Figure 87103623_IMG41
Figure 87103623_IMG42
Figure 87103623_IMG43
Figure 87103623_IMG44
Figure 87103623_IMG45
表Ⅳ
有选择的质子NMR数据
列于表Ⅳ中的数据是选自表Ⅰ、Ⅱ和Ⅲ中所述的油状或树胶状化合物的质子NMR数据。所测定的化学位移以ppm为单位,用的标准物质为四甲基硅烷,全都用氘氯仿作溶剂。其中应用如下缩写:
br=宽峰;s=单峰;d=二重峰;
t=三重峰;q=四重峰;m=多重峰;
ppm=百万分之一。
Figure 87103623_IMG46
Figure 87103623_IMG47
Figure 87103623_IMG48
本发明的化合物(Ⅰ)可用取代的苯酚或苯硫酚(Ⅶ)按反应示意图Ⅰ所示的步骤来制备。在此图中,术语R1、R2、A、X、Y、Z和W的定义同上,L是卤原子或其他的易离去基团(往往可为硝基),R8是氢或金属原子(如钠原子)。
化合物(Ⅰ)可采用下述方法制备:于适宜的温度下、在适宜的溶剂(例如N,N-二甲基甲酰胺)中,用碱(如氢化钠或甲醇钠)和甲酸酯(如甲酸甲酯)处理乙酸苯酯(Ⅳ)〔图Ⅰ中的步骤(b)〕。所制得的化合物(Ⅰ)以几何异构体形式存在,这些几何异构体可用色谱法、分步结晶法或蒸馏法进行分离。如向此反应混合物中加入化合物R2-L(L的定义同上),便可得到化合物(Ⅰ)〔图Ⅰ中的步骤(a)〕;如向此反应混合物中加入亲质子酸,即得到其中R8是氢的化合物(Ⅲ);另一种办法是,将其中R8是金属原子(特别是如钠原子这类碱金属原子)的化合物(Ⅲ)本身从此反应混合物中分离出来。
于适宜的溶剂中,将化合物(Ⅲ)(其中的R8是金属原子)用R2-L(L定义同上)处理,则可将其转变为化合物(Ⅰ);于适宜的溶剂中,将其中R8是氢的化合物(Ⅲ)依次用碱(如碳酸钾)和R2-L处理,则可将其转变为化合物(Ⅰ)。
也可采用另一种办法制备化合物(Ⅰ),即用醛缩二醇(ⅩⅢ)作原料,于适宜的温度下、常于适宜的溶剂中,在酸性或碱性条件下,通过消除适当的链烷醇,可得到化合物(Ⅰ)〔图Ⅰ的步骤(C)〕。用于此转变的反应试剂或反应试剂混合物的例子有:二-异丙基氨基锂;硫酸氢钾〔例如参看T    Yamada,H    Hagiwara和H    Uda化学协会化学通讯杂誌(J.Chem.Soc.,Chemical    Communications)1980,838及其中的参考文献〕;三乙胺,常于四氯化钛这类路易氏酸存在下〔例如,参见K    Nsunda和L    Heresi,化学协会化学通讯杂志(J.Chem.Soc.,Chemical    Communi-cations),1985,1000〕。
可用下述方法制备醛缩二乙醇(ⅩⅢ):于适宜的溶剂中、在一定的温度下,在诸如四氯化钛这类路易氏酸存在下,用单甲酸三烷基酯(R2O)3CH处理其中R是烷基的乙烯酮缩烷基甲硅烷基二乙醇(ⅩⅣ)〔如参见K Saigo,M osaki和T Mukaiyama,化学通讯(Chemistry    Letters)1976,769〕。
乙烯酮缩烷基甲硅烷基二乙醇(ⅩⅣ)可用酯类(Ⅳ)来制备:于适宜的溶剂中、在一定的温度下,使式(Ⅳ)的酯与碱和三烷基硅烷基卤(其通式为R3SiCl或R3SiBr)反应,例如与三甲基硅烷基氯反应,或与碱和通式为R3Si-OSO2CF3的三烷基硅烷基三氟甲磺酸酯反应〔例如,参见C Ainsworth,F Chen和Y Kuo,有机金属化学杂志(J.Organometallic Chemistry),1972,46,59〕。
中间体(ⅩⅢ)和(ⅩⅣ)不一定总是需要分离;可于适宜的条件下以酯(Ⅳ)为原料,采用“一罐法”(“one    pot”Seguence),通过相继加入上面所列的反应试剂制备化合物(Ⅰ)。
可用化学文献中所介绍的标准方法,将化合物(Ⅴ)进行酯化作用来制备化合物(Ⅳ)〔图Ⅰ中的步骤(d)〕。
化合物(Ⅴ)可用下述方法制备:于常用的溶剂(如N,N-二甲基甲酰胺)中、在碱(如碳酸钾)存在下,如有必要可用过渡金属或过渡金属盐作催化剂(如铜-青铜),将化合物(Ⅶ)与化合物(Ⅵ)反应〔图Ⅰ中的步骤(e)〕。
化合物(Ⅳ)还可用下述方法制备:于常用的溶剂(如N,N-二甲基甲酰胺)中、在碱(如碳酸钾)存在下,如需要的话,用过渡金属或过渡金属的盐作催化剂(如铜-青铜),将酯(Ⅷ)与化合物(Ⅵ)反应〔图Ⅰ中的步骤(f)〕。
按化学文献中所介绍的标准方法,将化合物(Ⅶ)进行酯化作用;即可制备酯(Ⅷ)〔图Ⅰ中的步骤(g)〕。
化合物(Ⅶ)可用化学文献中介绍的标准方法来制备〔例如,参见A.Clesse,W.Haefliger,D.Hauser,H.U.Gubler,B.Dewald和M.Baggiolini,药物化学杂志(J.med.Chem)1981,24,1465和P    D    Clark和D    M    Mckinnon,加拿大化学杂志(Can.J.Chem),1982    60.243及其中的参考文献〕。
可于适宜的温度下、适宜的溶剂中,用化学文献中所介绍的标准的氧化方法,例如用间-氯过苯甲酸之类的过酸,可以将其中A是硫的化合物(Ⅰ)转变为其中A是S(O)或S(O)2的化合物(Ⅰ)。
还可用乙酸苯酯(Ⅻ),按示意图Ⅱ中的步骤制备化合物(Ⅰ)。在示意图Ⅱ中,所有的术语R1、R2、R8、A、W、X、Y、Z和L定义同上,M是苯酚或苯硫酚的保护基团。
因此,可于常用的溶剂(如N,N-二甲基甲酰胺)中、在碱(如碳酸钾)存在下,如需要的话,可用过渡金属或过渡金属盐作催化剂,将化合物(Ⅸ)与化合物(Ⅵ)反应制备化合物(Ⅰ)〔图Ⅱ中的步骤(h)〕。
由经保护的苯酚或苯硫酚衍生物(Ⅹ),用化学文献中介绍的脱去保护的标准步骤来制备化合物(Ⅸ)〔图Ⅱ中的步骤(ⅰ)〕,例如,于适宜的催化剂存在下(如载于碳上的钯),将苄基醚(Ⅹ)(其中A是O,M是CH2Ph)进行氢解,便可制备其中A是0的苯酚(Ⅸ)。
于适宜的溶剂(如N,N-二甲基甲酰胺)中,适宜的温度下,用碱(如氢化钠或甲醇钠)和甲酸酯(如甲酸甲酯)处理乙酸苯酯(Ⅻ),即可制得其中的M是苯酚或苯硫酚标准的保护基团(如苄基)的化合物(Ⅹ)(图Ⅱ,步骤(k),然后在此反应混合物中加入R2-L(L定义同上),便可得到化合物(Ⅹ)〔图Ⅱ中的步骤(j)〕;如在此反应混合物中加入亲质子酸,便可得到其中R8是氢的化合物(Ⅺ);另外,可以使其中的R8是金属原子(特别是如钠原子这类的碱金属原子)的化合物(Ⅺ)本身从此反应混合物中分离出来。
于适宜的溶剂中,用R2-L进行处理,可以将其中R8是金属原子的化合物(Ⅺ)转变为化合物(Ⅹ)。相继用碱(如碳酸钾)和R2-L处理,则可将其中R8是氢的化合物(Ⅺ)转变为化合物(Ⅹ)。
可按化学文献中介绍的标准方法,用化合物(Ⅷ)制备化合物(Ⅻ)。
〔反应示意图Ⅰ、Ⅱ见46、47页〕
还可用取代的苯(ⅩⅠⅩ)按反应示意图Ⅲ的步骤来制备本发明化合物(Ⅰ),图Ⅲ中所用的术语R1、R2、A、W、X、Y和Z的定义同上,D是氢或卤素,E是金属原子(如锂原子)或为结合了-卤原子的金属原子(如MgI、MgBr或MgCl)。
可于诸如乙醚这类合适的溶剂中,用正膦(ⅩⅥ)处理酮酯(ⅩⅤ)来制备化合物(Ⅰ)〔例如,参见Ep-A-0044448和EP-A-0178826,图Ⅲ步骤(C)〕。
可于诸如乙醚或四氢呋喃这类适宜的溶剂中,用草酸酯(ⅩⅧ)处理金属取代的化合物(ⅩⅦ)即可制得酮酯(ⅩⅤ)。常用的优选办法是于搅拌下将金属取代的化合物(ⅩⅦ)的溶液慢慢地加入过量的草酸酯(ⅩⅧ)溶液中〔例如参看L    M    Weinstock,R    B    Currie和A    V    Lovell,合成通讯(Synthetic    Communications)1981,11,943,和其中的参考文献〕〔反应示意图Ⅲ中的步骤(m)〕。
其中的E是MgI、MgBr或MgCl的金属取代的化合物(ⅩⅦ)(Grignard试剂)可按标准的方法,用其中的D分别是I、Br或Cl的相应的芳族卤化物(ⅩⅠⅩ)来制备。具有取代基X、Y和Z并且其中E是Li的金属取代的化合物(ⅩⅦ)可用强锂碱(诸如正丁基锂或二异丙酰胺基氨基锂)使其中D是氢的化合物(ⅩⅠⅩ)直接锂化来制备〔例如,参见H    W    Gschwend和H    R    Rodriguez,有机反应
反应示意图Ⅰ
Figure 87103623_IMG49
反应示意图Ⅱ
(Organic    Reactions)1979,26,1〕〔反应示意图Ⅲ步骤(n)〕。
可用化学文献中叙述的标准方法来制备化合物(ⅩⅠⅩ)。
反应示意图Ⅲ
Figure 87103623_IMG51
还可用化学文献中所介绍的方法来制备酮酯化合物(ⅩⅤ)〔例如参见D    C    Atkinson,K    E    Godfrey,B    Meek,J    F    Saville和M    R    Stillings,药物化学杂志(J.Med.Chem.)1983,26,1353;D    Horne,J    Gaudino和W    J    Thompson四面体通讯(Tetrahedron    Lett.),1984,25,3529和G    P    Axiotis,四面体通讯,1981,22,1509〕。
反应示意图Ⅰ和Ⅱ中所述的制备本发明化合物(Ⅰ)的方法一般也适用于制备其中的W是取代的2-吡啶基,或2-或4-嘧啶基的化合物(Ⅰ),并且也适用于制备其中W是含强的吸电子取代基(如硝基、三氟甲基或氟)的4-吡啶基的化合物(Ⅰ)。然而,反应示意图Ⅱ中所示的方法一般不适用于制备其中W是取代的3-或4-吡啶基化合物(Ⅰ)。
同样,虽然其中W是取代的3-或4-吡啶基的化合物(Ⅰ)可用化合物(Ⅳ),按反应示意图Ⅰ中的(a)、(b)和(c)步骤来制备,然而,其中W是取代的3-或4-吡啶基的化合物(Ⅳ)一般不能按反应示意图Ⅰ中的(e)和(f)步骤制备,这样,需要用其他的方法来制备化合物(Ⅳ)。
通常,优先选用反应示意图Ⅳ的路线制备其中W是取代的3-或4-吡啶基的化合物(Ⅳ)。
因此,按反应示意图Ⅳ的合成路线,可以用其中W是取代的3-或4-吡啶基的化合物(ⅩⅩ)制备其中W是取代的3-或4-吡啶基的(Ⅳ)。
(反应示意图Ⅳ见下页)
在整个反应示意图Ⅳ中,A、X、Y、Z和L的定义和反应示意图Ⅰ至Ⅲ中相同,T是能按文献中介绍的标准方法,经一步或多步转变成如化合物(Ⅳ)所示的乙酸酯基-CH2COOR1侧链。例如,T可以是甲
反应示意图Ⅳ
酰基或是可以转变成甲酰基的任何基团,如可被酸性水溶液水解为甲酰基的甲酰基醛缩二醇,或可被金属氢化物还原为甲酰基的腈〔例如参见A    E    G    Miller,J    W    Bliss和L    H    Schwartzmann,有机化学杂志,1959,24,627〕,或可被阮内合金在甲酸中还原为甲酰基的腈〔例如参见Van ES和Staskun,化学协会杂志1965,5775〕。如果T是甲酰基团,那么可将其与甲基甲基亚磺酰基甲基硫醚(CH3SOCH2SCH3)反应,转变为乙酸酯残基CH2COOR1〔例如,参见k Ogura和G Tsuchihashi,四面体通讯1972,1383-6〕,然后于酸(如盐酸)存在下,用醇R1OH进行水解。T还可以是能被卤化的甲基,例如被溴或N-溴丁二酰亚胺溴化,得到卤代甲基,然后该卤代甲基用氰化物离子处理,得到氰甲基,然后再用文献中已知的方法,将其水解为乙酸酯残基CH2COOR1;T还可以是能还原为羟甲基的羧酸或酯基团,再用文献中已知的方法,可将羟甲基转变为氰甲基。
在通常应用于已知的Ullmann合成的条件下,以其中L与反应示意图Ⅰ中定义相同的化合物(ⅩⅪ)为原料,用其中W是取代的3-吡啶基的化合物(ⅩⅫ)反应,可以制得其中W是取代的3-吡啶基的化合物(ⅩⅩ)。例如,于过渡金属催化剂(如铜-青铜或卤化铜)存在下、在50-250℃(最好100-180℃)下,不用溶剂或在诸如N,N-二甲基甲酰胺或二甲基亚砜之类的适宜溶剂中,用化合物(ⅩⅫ)的金属盐(最好用其钠或甲盐)来处理化合物(ⅩⅪ)。
化合物(ⅩⅪ)可用化学文献中介绍的一般方法制备。
其中的W是取代的4-吡啶基的化合物(ⅩⅩ)可以采用的制备方法是:在有选择的过渡金属催化剂(如铜-青铜或卤化铜)存在下、于20-200℃(最好在50-150℃)下,于合适的溶剂(例如N,N-二甲基甲酰胺或二甲基亚砜)中,将化合物(ⅩⅩⅢ)的金属盐(最好是钠或钾盐)与其中X是取代的4-吡啶基的化合物(Ⅵ)反应。
化合物(ⅩⅩ)还可用化合物(ⅩⅩⅤ)来制备,在(ⅩⅩⅤ)中P定义为通过其4位连接于A的N-氧化吡啶。P可以被化合物(Ⅰ)中定义的W取代基所取代,也可以不被其取代。如果化合物(ⅩⅩⅤ)中的P是被取代的,则用标准的方法(如用三氯化磷),将此N-氧化物进行脱氧化作用,可得到其中W是取代的4-吡啶基的化合物(ⅩⅩ)。如果化合物(ⅩⅩⅤ)中的P是被取代的或未被取代的,则可用众所周知的方法,将此N-氧化吡啶与磷酰卤或亚硫酰卤反应,在失去N-氧化物官能团的同时得到在其2-或6-位上含有另一个卤原子的化合物(ⅩⅩ)(例如,参见“杂环化合物化学:吡啶及其衍生物”“The    chemistry    of    the    Heterocyclic    Compounds:Pyridine    and    Its    Derivatives”,Ed.E    Klingsberg,第二部分121页)
化合物(ⅩⅩⅤ)的制备方法如下:在有选择的过渡金属催化剂,如铜-青铜或卤化铜的存在下,于20-200℃(最好在50-150℃)下,在适宜溶剂(例如N,N-二甲基甲酰胺或二甲基亚砜)中,将化合物(ⅩⅩⅢ)的金属盐(最好是钠或钾盐)与其中P和L具有上述定义的化合物(ⅩⅩⅣ)反应。化合物(ⅩⅩⅢ)可用化学文献中的标准方法制备。
另一方面,本发明提供了制备本发明的化合物及其所用的中间体(Ⅲ)-(Ⅴ)、(Ⅸ)-(ⅩⅤ)、(ⅩⅦ)、(ⅩⅨ)、(ⅩⅩ)和(ⅩⅩⅤ)的方法。
本发明的化合物是一类有效的杀真菌剂,这些化合物可用于控制一种或多种下述病原体:稻瘟病病菌(Pyricularia    oryzae)、小麦叶锈病病菌(Puccinia    recondita)、麦类条锈病病菌(Puccinia    Striiformis)和其他锈菌;大麦叶锈病病菌(Puccinia    hordei)、麦类条锈病病菌(Puccinia    Striiformis)和其他如咖啡、梨、苹果、花生、蔬菜和观赏植物之类寄主上的锈菌;大麦和小麦白粉病(Erysiphe    graminis)(白粉菌)及其他各种寄主上的白粉病,如蛇麻子斑点单囊壳(Sphaerotheca    macnlaris)、葫芦科植物如黄瓜白粉病(Spaerotheca    fuliginea)、苹果白粉病(Podosphaera    leucotricha)及藤苯科植物葡萄白粉病(uncinula    necator);禾谷类长蠕孢属(Helminthosporium    spp.),喙孢属(Rhynchosporium    spp.)、壳针孢属(Septoria    spp.)拟小麦根腐病菌(Pseudocercosporella    herpotrichoides)和小麦全蚀病菌(Gaeumannomyces    graminis);花生褐斑病(Cercospora    arachidicola)和花生黑斑尾孢霉(Cercosporidium    personata)和其他寄主如糖用甜菜、香蕉、大豆和水稻的其他尾孢菌属(Cercospora);西红柿、草莓、蔬菜、藤本科植物和其他寄主的灰葡萄孢(Botrytis    Cinerea)(灰霉病);蔬菜(如黄瓜)、欧洲油用油菜(Oil    Seedrape)、苹果、西红柿和其他寄主的链格孢属(Alternaria);苹果黑星病(Venturia    inaequalis)(疮痂病)、藤本科植物葡萄霜霉病(Plasmopara    Viticola);其它霜霉病如莴苣霜霉病(Bremialactucae)、大豆、烟草、洋葱和其他寄主的霜霉属(Peronos-Pora    spp.)、蛇麻子葎草假霜霉病(Pseudoperonospora    humuli)、葫芦科植物黄瓜霜霉病(Pseudoperonospora    Cubensis)、土豆及西红柿晚疫病(Phytophthora    infestans)及其他蔬菜、草莓、鳄梨、胡椒、观赏植物、烟草、可可和其他寄主的晚疫病;水稻瓜亡草菌(Thanatephorus    Cucumeris)及诸如小麦、大麦、蔬菜、棉花和草皮之类寄主的其他丝核菌属(Rhizoctonia)。
本发明的某些化合物在试管内对真菌也表现出有广谱活性。这些化合物对水果成熟后的各种病害〔如柑桔缘霉病(Penicillium    digitatum)和柑桔青霉病(Penicillium    italicum)及柑桔缘木霉(Trichoderma    Viride)和香蕉炭疽盘长孢菌(Gloesporium    musarum)〕也有作用。
本发明中还有一些化合物可用于拌种,它们对禾谷类镰刀菌属(Fusarium    spp.)、壳针孢属(Septoria    spp.)腥黑粉菌属(Tilletia    spp.)(腥黑穗病,小麦种子传播的)、黑粉菌属(Ustilago    spp.)、禾谷类长蠕孢属(Helminthosporium    spp.)、棉花立枯丝核菌(Rhizoctonia    solani)及稻瘟病(Pyricularia    oryzae)是有效的。
本发明的化合物在植物组织中能向顶运动。而且,它们在气相时的挥发性对寄生于植物上的真菌有足够的活性。
因此,本发明的另一方面是提供消灭真菌的方法,该方法包括将杀真菌有效量的化合物(Ⅰ)施用于植物、植物种子、植物和种子的所在地。
本发明的化合物也可作为工业上的杀真菌剂(和农用不同),例如用于防止真菌对木料、鲁皮、皮革、特别是涂料薄膜的侵害。
本发明的某些化合物具有杀虫及杀线虫的作用。
因此,本发明的另一方面是提供杀灭或控制昆虫或线虫的方法,该方法包括:于害虫或害虫所在场所投放杀虫或线虫有效量的化合物(Ⅰ)。
用于上述方面的本发明的一组优选的化合物,是其中X是取代的吡啶基的化合物(Ⅰ),而其中优选的取代基是卤素或卤代烷基。
在上述方法中,所用最好的化合物是列于表Ⅰ中的14、15号化合物。
同样,本发明的某些化合物也有调节植物生长的作用,按适当的用量比例可达到此目的。所以,本发明还有一个方面是提供调节植物生长的方法,该方法包括将有效量的调节植物生长的化合物(Ⅰ)施用于植物。
本发明的化合物可直接用于农用目的,但是用载体或稀释剂配制成组合物使用是比较合适的。因此,本发明的另一方面是提供杀真菌组合物、杀虫组合物/杀线虫组合物、植物生长调节剂组合物,所说组合物包括前面所定义的化合物(Ⅰ)和可以接受的载体或稀释剂。
作为杀真菌剂,可以有许多方式施用本发明化合物。例如,可将其配制或不配制直接施用于植物的叶、种子或植物正在生长的介质中或将要种植的介质中,或喷雾施药或喷粉施药,或配制成乳剂或糊剂使用,或配制成气雾剂使用,或配制成缓慢释放的粒剂使用。可将其用于植物的任何部分,包括叶、茎、枝或根,或根部周围的土壤,或播种前的种子,或者通常施于土壤,或稻田水中,或水栽培体系中。本发明的化合物也可注射于植物内,或用电动喷雾技术或其他少量喷雾的方法喷雾于植物上。
其中所用的术语“植物”包括禾苗、灌木和树木。而且,本发明杀真菌方法包括:保护性的施药、预防性的施药和根治性的施药。
本发明的化合物优先选用以组合物的形式用于农业或园艺。在任何情况下,所用的组合物的类型将由予计的具体目的而定。
本发明的组合物可以为能喷粉的粉剂或粒剂形式,它们包括有效成分(本发明的化合物)、固体稀释剂或载体,例如填料如高岭土、膨润土、硅藻土、白云石、碳酸钙、滑石、粉状氧化镁、漂白土、石膏、硅藻土(diatomaceous)和瓷土。可将这样的粒剂配制成适用于土壤而不再作进一步处理的粒剂。这种粒剂的制备方法是,用有效成分浸渍填料丸或将有效成分和粉状填料的混合物制成丸。拌种用的组合物可包括有助于此组合物粘附在种子上的试剂(如,矿物油);或用另一种方法,即用有柜溶剂将有效成分配制成作拌种用的液体,所说的有机溶剂有N-甲基吡咯烷酮、丙二醇或二甲基甲酰胺。组合物也可以为湿性粉剂或水可分散的粒剂的形式,它们其中包括有促进分散于液体中的湿润剂或分散剂。所说粉剂或粒剂还可以含填料及悬浮剂。
将有效成分溶于有选择地含有湿润剂或乳化剂的有机溶剂中,然后再把此混合物加入也含有湿润剂或乳化剂的水中,可以配制成乳油或乳剂。适宜的有机溶剂有:如烷基苯和烷基萘之类的芳族溶剂,如异佛尔酮、环己酮、甲基环己酮之类的酮类,如苄醇、氯苯、三氯乙烷之类的氯代烃类,如糠醇、丁醇和乙二醇醚之类的醇类。
借助球磨机,加入分散剂和阻止固体沉降的悬浮剂来配制含有大量不溶固体的悬浮液母液。
用作喷雾用的组合物可以是气雾剂的形式,其具体办法是,于加压下,在推进剂(如氟三氯甲烷或二氯二氟甲烷)存在下将制剂装入容器内。
本发明的化合物能够以干燥态与焰火混合物混合,形成在密闭空间产生含有本发明化合物烟雾的合适组合物。
还可将本发明化合物配制成微胶囊形式,也可将其配制成可生物降解的聚合物制剂,以使有效物质缓慢而有控制地释放。
通过加入适宜的助剂,例如在处理的表面上能改进分配性、粘着力和耐雨水性的各种添加剂,使不同的组合物更好地适合于各种用途。
本发明的化合物可与肥料一起作成混合物使用,这些肥料是含氮、钾或磷的肥料。优选仅含有颗粒状肥料与本发明的化合物混合,例如以本发明化合物包衣的组合物。按重量计,这样的颗粒含本发明化合物适宜的量可以直到25%。因此,本发明也提供了含肥料、化合物(Ⅰ)或其盐或其金属配合物的肥料组合物。
可湿润的粉剂、乳油和悬浮剂母液通常含有各种表面活化剂,例如湿润剂、分散剂、乳化剂或悬浮剂。这些试剂可以是阳离子试剂、阴离子试剂或非离子试剂。
适宜的阳离子试剂包括有季铵化合物,如十六烷基三甲铵溴化物。适宜的阴离子试剂有肥皂,硫酸脂族单酯盐(如十二烷基疏酸钠),磺酸芳族化合物的盐(如十二烷基苯磺酸钠、木素磺酸钠、钙或铵、丁基萘磺酸盐、二异丙基和三异丙基萘磺酸钠的混合物)。
适宜的非离子试剂有:环氧乙烷与脂肪醇(例如油醇或十六醇之类的醇的缩合物,或与烷基酚(例如辛或壬酚、辛基甲酚)的缩合物。其他的非离子试剂是由长链脂肪酸和己糖醇酐所产生的部分酯、该部分酯与环氧乙烷的缩合产物以及卵磷酯。适宜的悬浮剂为亲水胶体(例如聚乙烯吡咯烷酮及羧甲基纤维素钠)及膨胀粘土(Swelling    Clays),如膨润土或硅镁土。
用作分散水液或乳剂的组合物一般为含有高比例的有效成分的母液,使用前用水稀释。该母液最好能够长期贮存,贮存后应能用水稀释,形成在足够长的时间里仍是均匀的水制剂,以便能用一般的喷雾设备进行喷雾。按重量计,该母液一般可含有效成分直到95%,适宜的情况是含10-85%,例如25-60%。稀释成水制剂后,该制剂含有效成分的量可以不等,而这要取决于预计的目的,但所用的水制剂按重量计,含有效成分的量为0.0005或0.01%至10%。
本发明的组合物可以含有其他具体生物活性的化合物,例如可以含有具有相似或互补的杀真菌作用或调节植生长、除莠或杀虫作用的化合物。
可存在于本发明组合物中的杀真菌化合物是能消灭禾本科植物(如小麦)穗病的化合物,这种穗病如壳针孢属(Septoria    spp.)、赤霉素(Gibberella    spp.)、长蠕孢属(Helminthosporium.spp.),能消灭种子和土壤传播的病害、葡萄霜霉病和白粉病、苹果等霜霉病和疮痂病的化合物。由于加入了其他的杀真菌剂,这种组合物比仅含化合物(Ⅰ)(有效成分)具有更广谱的活性。而且,这些其他杀真菌剂对于化合物(Ⅰ)的杀真菌作用具有协同效应。可包含于本发明组合物中的杀真菌剂的例子有:多菌灵、苯菌灵、甲基托布津、噻菌灵、麦穗宁、etridazole、抑菌灵、Cymoxahil、oxadixyl、Ofurace、metalaxyl、furalaxyl、4-氯-N-Cl-氰基-1-乙氧基甲基)苯甲酰胺、benalaxyl、fosetylaluminium、双氯苯嘧醇、iprodione、胺丙威、Procymidone、Vinclozolin、Penconazole、Myclobutanil、Propamocarb、Ro151297、diconazole、定菌灵、乙嘧醇、灭菌磷、buthiobate、环吗啉、嗪胺灵、nuarimol、triazbutyl、双辛胍胺、1,1′-亚氨基二(1,8-亚辛基)二胍三乙酸盐、Propiconazole、Prochloraz、flutriafol、hexaconazole、(2    RS,3RS)-2-(4-氯苯基)-3-环丙基-1-(1H-1,2,4-三唑-1-基)丁-2-醇、(RS)-1-(4-氯苯基)-4,4-二甲基-3-(1H-1,2,4-三唑-1-基甲基)戊-3-醇、flusilazole、三唑二甲酮、triadimenol、diclobutrazol、fenpropimorph、Pyrifenox、fenpropidin、Chlorozolinate、imazalil。-甲呋萎锈灵、萎锈灵、氧化萎锈灵、methfuroxam、环烷吗啉、BAS454、灭瘟素、春日霉素、克瘟散、异稻瘟净、放线菌酮、四氯苯酞、噻菌烯烯、稻瘟灵、三唑苯噻、Pyroquilon、Chlorbenzthiazone、甲胂酸铁铵、多氧霉素、有效霉素、Mepronil、flutolanil、Pencycuron、diclomezine、叶枯净、福美镍、techlofthalam、bitertanol、磺酸丁嘧啶、etaconazole、甲羟异噁唑、链霉素、Cyprofuram、biloxazol、甲基克杀螨、甲嘧醇、1-(2-氰基-2-甲氧基亚氨基乙酰基)-3-乙基脲、fenapanil、tolclofos-methyl、Proxyfur、代森联、代森锰、代森锰锌、敌菌丹、百菌清、敌菌灵、福美双、克菌丹、灭菌丹、代森锌、甲基代森锌、硫黄粉、消螨普、二氯萘醌、地戊散,乐杀螨、nitrothal-isopropyl、十二烷胍、二噻农、三苯羟基锡、乙酸三苯基锡、四氯硝基苯、五氯硝基苯、氯硝胺、诸如王铜、硫酸铜和波尔多液混合物这类含铜化合物和有机汞化合物。
化合物(1)可与土壤、泥炭或其他的根生长介质混合,以使植物免免受种子传播的、土壤传播的或叶的真菌的侵害。
适于加入本发明组合物中的杀虫药剂有:抗蚜威、乐果、甲基1059、安果、西维因、异丙威、二甲威、丁苯威、虫螨威、Carbosulfan、二嗪农、倍硫磷、杀螟松、稻丰散、毒死蜱、异噁唑硫磷、丙虫磷、久效磷、buprofezin、ethroproxyfen、Cycloprothrin。
调节植物生长的化合物是能抑制杂草或坯牙的形成,或能有选择地抑制不要的植物(如草叶)生长的化合物。
适宜与本发明的化合物一起使用以调节植物生长的化合物有:赤霉素(例如GA3、CG4或GA7);植物生长激素(例如,吲哚乙酸、吲哚丁酸、萘氧基乙酸或萘乙酸)、细胞分裂素类、(例如激动素、二苯脲、苯并咪唑、苄基腺嘌呤或苄基氨基嘌呤)、苯氧基乙酸(例如2,4-滴或2甲4氯)、取代的苯甲酸(如三碘苯甲酸)、整形素(例如Chlorfluoroecol)、马来酰肼、草甘膦、催熟膦、长链脂肪族醇和酸、dikegulac、Paclobutrazol、氟磺安、mefluidide、取代的季铵、取代的磷鎓化合物(如离子矮壮素、氯丁苄鏻或mepiguatehloride)、乙烯利、草威安、3,6-二氯茴香酸甲酯、二甲基琥珀酰肼、黄草灵、脱落酸、isopyrimol、1-(4-氯苯基)-4,6-二甲基-2-氧代-1,2-二氢吡啶-3-羧酸、羟基苄腈类(例如溴苯腈)、草吡唑、新燕灵、3,6-二氯吡啶甲酸、fenpentezol、inabenfide、triapenthenol和四氯硝基苯。
本发明将用下述实施例来说明。在下述实施例中:术语“醚”为乙醚;用硅胶作固相进行层析分离;用硫酸镁干燥溶液;凡涉及到对水、空气敏感的中间体的反应均在氮气中、无水溶剂中进行;列出的红外光谱和NMR数据都是有选择的,不打算列出每一个吸收峰的数据,除另有说明外,测定的核磁共振谱是以氘氯仿作标准液;所用缩写如下:
g=克    δ=化学位移
mmol=毫摩尔 CDCl3=氘氯仿
ml=毫升    S=单峰
mmHg=毫米汞柱压力    d=二重峰
t=三重峰
br=宽峰
DMF=N,N-二甲基甲酰胺
Max.=最大
HPLC=高效液相色谱
mp.=熔点
PPm.=百万分之一
NMR=核磁共振
实施例1
本实施例叙述了2-〔2′-(5″-氯吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的14号化合物)的制备
于160℃下、氮气流中,将2,5-二氯吡啶(7.70g,52.03mmol)、碳酸钾(14.01g,101.37mmol)和由邻-羟基苯乙酸制备的二钠盐(10.20g,52.58mol)的二甲基亚砜(50ml)溶液搅拌过夜。把此黑色反应混合物倒入水(100ml)中并用乙醚(3×75ml)萃取。用浓盐酸把水相酸化到pH6,然后再用乙酸乙酯(3×100ml)萃取。合併的有机相用盐水(2×100ml)洗涤、干燥、减压蒸发,得到暗棕色的液体〔2-(5′-氯吡啶-2′-基氧基)苯基〕乙酸(5.30g)(红外光谱的最大波数为,3500-2700,1700,1370,1440,750cm-1),不需要进一步纯化即可使用。于室温下、DMF(50ml)中,将2-(5′-氯吡啶-2′-基氧基)苯乙酸(5.20g,19.73mmol)、碳酸钾(5.53g,40mmol)和硫酸二甲酯(2.91g,23.07mmol)一起搅拌过夜。把此反应混合物倒入水(100ml)中,依次用乙酸乙酯(2×75ml)和乙醚(1×100ml)萃取,合併的有机相依次用水(3×75ml)和盐水(2×100ml)洗涤,干燥并减压蒸发,于152℃/0.1mmHg蒸馏得到深棕色的液体2-(5′-氯吡啶-2′基氧基)苯乙酸甲酯(4.18g)。
于-25℃、在搅拌下,向氢化钠(0.78g,分散于油中,50%)的DMF(40ml)悬浮液中滴加2-(5′-氯吡啶-2′-基氧基)苯乙酸甲酯(2.90g,10.45mmol)和甲酸甲酯(14.88g,过量)的DMF溶液。将此反应混合物在饱和碳酸钠溶液和乙醚之间进行分配。用浓盐酸将水相酸化到pH4-5(黄色沉淀),然后用乙酸乙酯(3×100ml)萃取,合併有机萃取液,干燥、减压蒸发,得到桔红色固体2-〔2′-(5″-氯吡啶-2″-基氧基)苯基〕-3-羟基丙烯酸甲酯(2.36g)。于室温下,将此固体物质(2.30g,7.54mmol)在DMF(50ml)中,同硫酸二甲酯(1.21g,9.59mmol)和碳酸钾(2.44g,17.6mmol)一道搅拌过夜。然后将此反应混合物倒入水中(100ml),用乙酸乙酯(3×100ml)萃取,合併的有机相依次用水(3×75ml)和盐水(2×100ml)洗涤,干燥,减压蒸发,得到棕色粘稠状液体。经HPLC(洗脱剂为乙醚∶石油醚50∶50)纯化,制得经放置便会结晶的浅黄色液体(2.14g)。用甲醇进行重结晶,得到2-〔2′-(5″-氯吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E),熔点77-78℃。红外光谱的最大波数为,1700,1625,1260,1200cm-1;1H NMR δ(CDCl3)3.57(3H,S)、3.74(3H,S),6.75(1H,d),7.41(1H,S),8.10(1H,brs),7.1-7.6(m)ppm。
实施例2
本实施例叙述了2-〔2′,5″-氰基吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的127号化合物)的制备
于搅拌下,向氢氧化钾(2.26g,0.04mol)的甲醇(40ml)溶液中加入邻-羟基苯乙酸(3.08g,0.02mol),15分钟后将此溶液减压蒸发至干,固体残余物用DMF(50ml)制成浆状物。加入6-氯烟酸腈(3.08g,0.022mol)和铜-青铜(0.1g),于80℃-90℃搅拌1小时,冷却后浸入水(200ml)中。过滤此混合物,用盐酸将滤液的pH调到2-3。混合物用乙醚萃取(×3)。再用饱和碳酸氢钠溶液萃取合併的乙醚相。水相用盐酸酸化到pH2-3,得到焦油状固体,经少量甲醇研磨便能制得白色固体(1.27g,产率25%),用水重结晶,可得到白色固体状2-〔2′-(5″-氰基吡啶-2″-基氧基)苯基〕乙酸,熔点120℃。红外光谱的最大波数为1672cm-1;1H NMR(d6DMSO;60MHZ)δ3.45(2H,S);7.05-7.45(5H,m);8.25-8.35(m,1H);8.6(1H,d);6.3(brs,1H)ppm。
将上述制得的酸(3.0g,0.0118mol)置于含浓硫酸(0.1ml)的甲醇(50ml)中,在回流下搅拌3小时。冷却后加水(200ml),用乙醚(3×50ml)萃取。合併的乙醚萃取液依次用饱和碳酸氢钠溶液(30ml)、水(3×30ml)和饱和盐水(1×30ml)洗涤,干燥及过滤后,蒸发乙醚溶液,得到琥珀色的油状物2-〔2′-(5″-氰基吡啶-2″-基氧基)苯基〕乙酸甲酯(2.77g,产率87.5%);红外光谱的最大波数(薄膜)2200,1700cm-1;1H NMR(CDCl3)3.5(5H,S);6.8-7.3(5H,m);7.8(1H,q);8.3(1H,d)ppm。
于室温下,向三乙胺(0.65g,0.0064mol)的乙醚(10ml)溶液中滴加三氟甲基磺酸三甲基硅烷基酯(1.42g,0.0064mol)。将此混合物放置20分钟,于0~5℃,在15分钟内把此混合物滴加到搅拌着的2-〔2′-(5″-氰基吡啶氧基)苯基〕乙酸甲酯(1.15g,0.0043mol)的乙醚(10ml)溶液中。将此反应混合物温热到室温,搅拌11小时,即产生两相混合物,保留上层(溶液A)。
同时,于-70℃下,在搅拌下向原甲酸三甲酯(0.71g,0.0064mol)的二氯甲烷(10ml)溶液中滴入四氯化钛(1.22g,0.0064mol),搅拌此黄色沉淀物15分钟,并且在20分钟内,维持在-70℃下,将溶液A滴入。于-70℃下将混合物搅拌1小时后,让其温热到室温,并搅拌1小时。加入饱和碳酸钠溶液(50ml)后过滤,滤液用乙醚(3×20ml)萃取,用水(3×15ml)洗涤合併后的有机萃取液,再用饱和盐水(15ml)洗涤,干燥和过滤后,将此乙醚溶液减压蒸发至干,残余物用层析分离(己烷/乙醚为洗脱剂),得到玻璃状的标题化合物,经甲醇研磨,得到白色晶体(40mg,产率3%),熔点108.5-109.5℃。1H NMR δ 3.58(3H,S);3.75(3H,S);6.9(1H,d);7.1(1H,d);7.28-7.4(4H,m);7.45(1H,S);7.85(1H,q);8.45(1H,d)ppm。
实施例3
本实施例叙述了2-〔2′-(5″-硝基吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的133号化合物)的制备
向氯化氢的甲醇溶液〔由乙酰氯(25ml)和甲醇(250ml)制备〕中加入2-(羟基苯基)乙酸(50g)。将其于室温下搅拌3小时后放置过夜(15小时)。在进行减压浓缩后,将残余物溶于乙醚(250ml)中,用碳酸氢钠水溶液洗涤直至停止起泡沫,干燥乙醚溶液,再进行减压浓缩,将得到的固体用乙醚/汽油进行重结晶,得到白色粉末状晶体(2-羟基苯基)乙酸甲酯(50g;产率92%),熔点:70-72℃;红外光谱,最大波数(石蜡糊):3420,1715cm-1;1H NMR(90MHZ)δ3.70(2H,S),3.75(3H,S),6.80-6.95(2H,m),7.05-7.10(1H,m),7.15-7.25(1H,m),7.40(1H,S)ppm。
将(2-羟基苯基)乙酸甲酯(21.0g)溶于DMF(200ml)中,一批加入碳酸钾(19.35g)。于室温下,边搅拌边向此混合物中滴加苄基溴(23.94g)的DMF(50ml)溶液。18小时后,将此混合物倒入水(500ml)中,用乙醚(2×400ml)萃取。萃取液依次用水(3×150ml)和盐水(100ml)洗涤,干燥并经硅胶柱过滤(50g,merck60),减压浓缩,得到黄色油状物,于160℃、0.05mmHg下蒸馏,得无色透明的油状物2-苄氧基苯基乙酸甲酯(26.99g,产率83%),红外光谱,最大波数(薄膜):1730cm-1;1H NMR(90MHZ):δ3.60(3H,S);3.75(2H,S),4.10(2H,S),6.80-7.40(9H,m)ppm。
在0℃,于搅拌下向氢化钠(50%油分散剂,10.13g)的DMF(300ml)悬浮液中滴加2-苄氧基苯乙酸甲酯(26.99g)和甲酸甲酯(126.62g)与无水DMF(300ml)的混合物。在0℃搅拌2小时后,将此混合物倒入水(1000ml)中,用乙醚(2×150ml)洗涤,水相用6M盐酸酸化到pH4,然后用乙醚(2×350ml)萃取。萃取液经干燥、减压浓缩后,得到黄色油状粗品2-〔2′-苄氧基苯基〕-3-羟基丙烯酸甲酯。红外光谱,最大波数(薄膜):1720,1660cm-1
将所得粗品2-〔2′-苄氧基苯基〕-3-羟基丙烯酸甲酯溶于无水DMF(100ml)中,一批加入碳酸钾(29.0g),然后边搅拌边加入硫酸二甲酯(16.00g)的无水DMF(10ml)溶液。90分钟后,加入水(300ml),溶液用乙醚(2×300ml)萃取。依次用水(3×150ml)和盐水洗涤后,干燥萃取液,减压浓缩,得到黄色油状物,经乙醚/汽油研磨可以固化。用无水甲醇进行重结晶,得到白色晶体2-(2′-苄氧基苯基)-3-甲氧基丙烯酸甲酯(E)(5.44g,产率17%,按2-苄氧基苯基乙酸甲酯进行计算),熔点76-77℃。红外光谱,最大波数(石蜡糊):1710,1640cm-1;1H NMR(90MHZ):δ3.63(3H,S),3.75(3H,S),5.05(2H,S),6.80-7.40(9H,m),7.50(1H,S)ppm。
将2-(2′-苄氧基苯基)-3-甲氧基丙烯酸甲酯(E)(5.44g)溶解在乙酸乙酯(50ml)中,加入5%的钯碳(0.25g)。于3个大气压下,边搅拌边将此混合物进行氢化,直至不再吸收氢,然后用硅藻土和硅胶(50g,Merck60)进行过滤,滤液进行碱压浓缩,得到白色晶体2-(2′-羟基苯基)-3-甲氧基丙烯酸甲酯(E)(3.76g,产率99%),熔点125-126℃;红外光谱,最大波数(石蜡糊):3400,1670cm-1
1H NMR(270MHZ):δ3.80(3H,S)3.90(3H,S),6.20(1H,S),6.80-7.00(2H,m),7.10-7.30(2H,m),7.60(1H,S)ppm。
于室温和氮气流中,将2-(2′-羟基苯基)-3-甲氧基丙烯酸甲酯(E)(0.30g,1.44mmol)、2-氯-5-硝基吡啶(0.40g,2.88mmol)和碳酸钾(0.40g,2.88mmol)在DMF(20ml)中一起进行搅拌。18小时后,将此反应混合物倒入水中,然后用乙醚萃取2次,合併的乙醚层用水和盐水洗涤两次,干燥,得到的溶液用硅胶柱过滤,浓缩后得到粉红色固体。经层析纯化(乙醚为洗脱剂)后,得到2-〔2′-(5″-硝基吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(240mg),为黄色树胶状物,放置中即会结晶,熔点107-109℃;1H NMR:列于表Ⅳ中。
实施例4
本实施例叙述了2-〔2′-(4″-氯嘧啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的61号化合物)的制备
于室温下,将2-(2′-羟基苯基)-3-甲氧基丙烯酸甲酯(E)(0.63g)、2,4-二氯嘧啶(0.75g)和碳酸钾(0.69g)一起在DMF中搅拌。2小时后,将此反应混合物倒入水(50ml)中,用乙醚萃取2次,合併的乙醚相用水(×3)、盐水(×1)洗涤,再干燥,过滤后减压蒸发,得到透明油状物。经层析分离(乙醚为洗脱剂),得到2-〔2′-(4″-氯嘧啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(0.35g),为油状物,经乙醚研磨结晶,m.p.为120-121.5℃。1H NMF δ3.60(3H,S);3.80(3H,S);6.60(1H,d,J=4HZ);7.40(1HH,S);8.40(1H,d,J=4HZ)ppm。
实施例5
本实施例叙述了2-〔2′-(5″-氯吡啶-2″-基硫代)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅱ中的14号化合物)的制备
向邻-巯基苯基乙酸二钠盐〔其制备是,将邻-巯基苯基乙酸(1.68g)于甲醇(10ml)中用氢氧化钠(0.8g)处理,接着将所得溶液的一半蒸发至干,再将其溶于DMF(10ml)中〕和铜-青铜的混合物中加入2,5-二氯吡啶的DMF(5ml)溶液。把此反应混合物于110-120℃加热90分钟,将其加入水中,酸化,用乙醚(×3)萃取。用2N的氢氧化钠(×1)萃取合併的乙醚层,用烯盐酸酸化所得的桔色水相。过滤悬浮液,固体用水充分洗涤,干燥,得到〔2′-(5″-氯吡啶-2″-基硫代)苯基〕乙酸(0.88g),为浅黄褐色固体,熔点为141-4℃。
在含有两滴浓硫酸的甲醇(15ml)中,将〔2′-(5″-氯吡啶-2″-基硫代)苯基〕乙酸(0.69g)加热至回流,90分钟后,将溶液冷却到室温,倒入水中,用乙醚(×2)萃取。依次用1M氢氧化钠溶液和水(×3)洗涤合併的有机相,然后干燥。减压浓缩,得到棕色油状物〔2′-(5″-氯吡啶-2″-基硫代)苯基〕乙酸甲酯(610mg),无需进一步纯化即可应用。
于搅拌下向冷却至2℃(冰/盐浴)的用己烷洗涤过的氢化钠(0.144g,50%油分散剂)的DMF悬浮液中,加入含〔2′-(5″-氯吡啶-2″-基硫代)-苯基〕乙酸甲酯(0.44g)和甲酸甲酯(1.8g)的DMF(10ml)溶液。将所得的反应混合物温热到室温。4.5小时后,通过小心地加入水将反应骤冷,用稀盐酸酸化,用乙醚萃取(×3)。合併桔色有机层用水洗涤、干燥,减压浓缩,得到含有2-〔2′-(5″-氯吡啶-2″-基硫代)苯基〕-3-羟基丙烯酸甲酯(0.40g)的粗混合物,为桔色树胶状物,(红外光谱,最大波数,1665cm-1)、可直接用于下一步反应。将此桔色树胶状物溶解在DMF(10ml)中,加入碳酸钾,把所得悬浮液冷却到0℃,然后5分钟内将硫酸二甲酯的DMF(2ml)溶液滴入。0℃下搅拌1小时后,将此反应混合物温热到室温,倒入水中,再用乙酸乙酯萃取(×4),用水洗涤合併的有机相(×2),干燥、减压浓缩,得到红色油状物(0.46g),经层析纯化(乙醚-己烷1∶1为洗脱剂)得到粘稠的树胶状标题化合物(0.085g),红外光谱,最大波数1700,1630cm-11H NMR见表Ⅳ中。
实施例6
本实施例叙述了2-〔2′-(5″-溴吡啶-2″-基硫代)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅱ中的15号化合物)、2-(2′-(5″-溴吡啶-2″-基亚硫酰基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅲ中的1号化合物)、2-(2′-(5″-溴吡啶-2″-基磺酰基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅲ中的2号化合物)的制备
于0℃下,无水二氯甲烷(10ml)中,用间-氯过苯甲酸(113mg)处理2-〔2′-(5″-溴吡啶-2″-基硫代)苯基〕-3-甲氧基丙烯酸甲酯(E)(200mg)(由2,5-二溴吡啶按实施例5的步骤制得)。于15分钟内此桔色溶液变为无色。搅拌30分钟后,将此反应混合物在碳酸氢钠水溶液中进行分配,有机层用第二份碳酸氢钠水溶液洗涤,再用水洗涤,干燥,减压去除溶剂,得到黄色树胶状物(0.14g),经层析纯化(乙醚为洗脱剂),得到树胶状的2-〔2′-(5″-溴吡啶-2″-基亚硫酰基)苯基〕-3-甲氧基丙烯酸甲酯(E)(30mg),1H NMR列于表Ⅳ;和非晶形的固体2-(2′-(5″-溴吡啶-2″-基磺酰基)苯基〕-3-甲氧基丙烯酸甲酯(E)(30mg),1H NMR列于表Ⅳ。
实施例7
本实施例叙述了2-〔2′-(5″-甲氧基羰基吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ的141号化合物)的制备
于氢氧化钾(1.0g,0.017mol)的水(30ml)溶液中,将2-〔2′-(5″-氰基吡啶-2″-基氧基)苯基〕乙酸甲酯(2.03g,0.008mol,其制备如按实施例2所述方法制备)加热回流16小时。冷却到室温,加入盐酸把PH调到2-3。滤出的沉淀用少量冰水洗涤,在95℃下干燥,将其用甲醇水溶液重结晶,得到白色晶体2-〔2′-(5″-羧基吡啶-2″-基氧基)苯基〕乙酸(1.83g);熔点187-188℃;红外光谱,最大波数,3400,2556,1710,1686cm-11H NMR(d6DMSO)δ3.42(2H,S);6.32(1H,brs);6.95-7.44(5H,m);8.1(1H,brs);8.27(1H,q);8.62(1H,d)ppm。
于室温下,将2-〔2′-(5″-羧基吡啶-2″-基氧基)苯基〕乙酸(1.46g,0.0053mol)、甲基碘(1.52g,0.00107mol)、碳酸钾(2.95g,0.021mol)和DMF的混合物搅拌3小时。把此反应混合物浸入水(100ml)中,用乙醚(2×40ml)萃取。用水(3×20ml)和饱和盐水(20ml)洗涤合併的有机萃取液。将滤液干燥后,蒸发乙醚溶液,得到2-〔2′-(5″-甲氧基羰基吡啶-2″-基氧基)苯基〕乙酸甲酯(0.73g),为油状物,1H NMR δ3.45(3H,S);3.47(2H,S);3.79(3H,S);6.73-7.3(5H,m);8.2(1H,q);8.7(1H,d)ppm。
于室温下,向三乙胺(0.37g,0.0036mol)的乙醚(10ml)溶液中滴加三氟甲磺酸三甲基硅酯(0.81g,0.0036mol)。放置20分钟后,0-5℃在20分钟内把所得溶液滴加(20分钟以上)到2-〔2′-(5-甲氧基羰基)吡啶-2″-基氧基)苯基〕乙酸甲酯的乙醚(10ml)溶液中。将此混合物搅拌并温热到室温3小时,保留此混合物的上层清液(溶液A)。
同时,于-70℃下,在另一烧瓶中,向原甲酸三甲酯(0.49,0.0036mol)的二氯甲烷(10ml)溶液中加入四氯化钛(0.69g,0.0036mol)的二氯甲烷(5ml)溶液。于-70℃下将所得黄色沉淀物搅拌15分钟。在10分钟内把溶液A滴加到此混合物中,并维持温度在-70℃下。搅拌此混合物1小时,放置16小时。加入饱和碳酸钠溶液(50ml),过滤此混合物。滤液用乙醚(3×20ml)萃取,用水(3×15ml)和饱和盐水(15ml)洗涤合併的有机萃取液。干燥和过滤后,蒸发此乙醚溶液,得到焦油状残余物,经层析分离(己烷为洗脱剂),从此残余物中分离出油状的标题化合物(20mg)。
1H NMRδ3.47(3H,s);3.62(3H,s);3.82(3H,s);6.75-7.3(5H,m);7.32(1H,s);8.15(1H,q);8.72(1H,d)ppm.
实施例8
本实施例叙述了2-〔2′-(5″-苄氧基羰基吡啶-2″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的184号化合物)的制备
将2-〔2′-(5″-羧基吡啶-2″-基氧基)苯基〕乙酸(1.5g,0.005mol,按实施例7所述的方法制备)与甲醇(50ml)和硫酸(0.1ml)一起加热回流8小时。蒸发浓缩此混合物到其体积的一半,冷却后,浸入水(100ml)中,用乙醚(2×30ml)萃取,用饱和碳酸氢钠溶液萃取合併的有机萃取液,用盐酸酸化此碱性萃取液到pH2.3,在冰水中冷却,过滤收集白色沉淀物,用水洗涤,在95℃下干燥,得到2-〔2′-(5″-羧基吡啶-2″-基氧基)苯基〕乙酸甲酯(0.63g);熔点。118℃;1H NMR δ3.52(3H,S);3.57(2H,S);6.88-7.4(5H,m);8.3(1H,q);8.88(1H,d)ppm。
室温下,将2-〔2′-(5″-羧基吡啶-2″-基氧基)苯基〕乙酸甲酯(0.63g,0.0022mol)、苄基溴(0.37g,0.0021mol)、碳酸钾(0.6g,0.0043mol)和DMF(30ml)的混合物搅拌1小时。把此混合物浸入水(100ml)中,用乙醚(2×30ml)萃取,合併的有机萃取液用水(3×15ml)和饱和盐水(15ml)洗涤,干燥和过滤后,蒸发此乙醚液,得到无色树胶状的2-〔2′-(5″-苄氧基羰基吡啶-2″-基氧基)苯基〕乙酸甲酯,经层析纯化(用己烷洗脱),得到无色固体(0.69g);熔点:56℃红外光谱,最大波数1735,1722cm-1;1H NMRδ 3.44(3H,S);3.5(2H,S);5.24(2H,S);6.76-7.4(5H,m);8.2(1H,q);8.76(1H,d)ppm。
于室温下,向三乙胺(0.277g,0.0027mol)的乙醚(5ml)溶液中滴入三氟甲基磺酸三甲硅酯(0.61g,0.0027mol)。将此混合物放置20分钟。在0-5℃于搅拌下,在15分钟内向2-〔2′-(5″-苄氧基羰基吡啶-2″-基氧基)苯基〕乙酸甲酯在乙醚(5ml)的混合物中加入(15分钟以上)所得溶液。搅拌此混合物,并温热到室温3小时,用二氯甲烷(5ml)稀释,并保留(A液)。
同时,在-70℃下,将四氯化钛(0.52g,0.0027mol)的二氯甲烷(2ml)溶液滴加到原甲酸三甲酯(0.301g,0.0028mol)的溶液中。于-70℃下,搅拌此黄色沉淀物15分钟,维持在-70℃下的同时,在30分钟内滴入溶液A。搅拌此混合物,并让其温热到室温1小时,然后放置15小时。加入饱和碳酸钠溶液(30ml)并进行搅拌,然后过滤。滤液用乙醚(3×15ml)萃取,合併的乙醚萃取液用水(3×10ml)和饱和盐水(10ml)洗涤。干燥和过滤后,蒸发此乙醚溶液得到树胶状物,经层析分离(用己烷洗脱)分离得标题化合物,为树胶状物。1H NMRδ3.55(3H,S);3.60(3H,S);5.53(2H,S);6.82(1H,d);7.18-7.48(m,包括在δ7.39处的一个质子单吸收峰);8.25(1H,q);8.25(1H,d)ppm。
实施例9
本实施例叙述了2-〔2′-(6″-甲基吡啶-3″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(表Ⅰ中的45号化合物)的制备
将6-甲基-3-羟基吡啶(9.5g)悬浮于甲苯(30ml)中,再用氢氧化钾水溶液(4.9g,在8ml水中)处理。激烈搅拌此混合物15分钟,然后减压蒸发,于甲苯存在下,再重复蒸发以除去微量的水。用2-(2-溴苯基)-1,3-二氧戊环(10.0g)、氯化亚铜(60mg)和三〔2-(2-甲氧基乙氧基)乙基〕胺(0.194g)处理所形成的棕色半固体,为了增溶此铜盐,使反应在无水DMF(25ml)中进行。于氮气流中,边搅拌边将此混合物于155℃加热30小时,再加入氯化亚铜(60mg),并继续加热14小时。
将此混合物冷却后倒入水中,用乙酸乙酯萃取,萃取液用2N氢氧化钠水溶液和水洗涤,接着用2N盐酸萃取。此酸性萃取液用固体碳酸钾处理,直至PH8,然后用乙酸乙酯萃取,干燥该有机萃取液,然后减压蒸发,得到2-(6′-甲基吡啶-3′-基氧基)苯甲醛(2.2g),为油状物。红外光谱,最大波数(薄膜)1697,1606,1480cm-1;1H NMRδ2.58(3H,S);6.86(1H,S);7.28(3H,m);7.55(1H,t);7.95(1H,m);8.36(1H,m);10.53(1H,S)ppm。
将2-(6′-甲基吡啶-3′-基氧基)苯甲醛(2.08g)和甲基甲基亚磺酰甲基硫醚(1.21g)溶于无水THF(15ml)中,于室温下,边搅拌边慢慢滴加Triton B(1.5ml)。将其放置过夜,用水稀释并用乙酸乙酯萃取。萃取液干燥后减压蒸发,得到桔棕色油状物(3.2g),此油状物用氯化氢的甲醇溶液(25ml,2.6N)处理,并于室温下放置过夜,用水稀释,用碳酸钠把PH调至8,用乙酸乙酯萃取。将萃取液干燥、蒸发,得到棕色油状物(2.23g),用高效液相色谱纯化,(洗脱剂为乙酸乙酯∶己烷,1∶1)得到黄色油状物〔2-(6′-甲基吡啶-3′-基氧基)苯基〕乙酸甲酯(1.53g)。红外光谱,最大波数(薄膜)1747,1488,1237cm-11H NMRδ2.54(3H,S);3.63(3H,S);3.74(2H,S);6.84(1H,d);7.24(5H,m);8.3(1H,d)ppm。
于5℃,边搅拌边将〔2-(6′-甲基吡啶-3′-基氧基)苯基〕乙酸甲酯(1.3g)和甲酸甲酯(1.52g)在DMF(5ml)中的混合物滴加到氢化钠(316mg,50%油分散剂)在DMF(5ml)中的悬浮液内。搅拌4小时后,用水稀释,加入冰醋酸进行弱酸化(pH4-5),用乙酸乙酯萃取。干燥萃取液并进行减压蒸发,得到黄色油状的2-〔2′-(6″-甲基吡啶-3″-基氧基)苯基〕-3-羟基丙烯酸甲酯(1.15g)1H NMRδ2.53(3H,S);3.63(3H,S);6.89(1H,S);7.2(5H,m);8.21(1H,d)ppm。
将此油状物(1.14g)溶解于DMF(15ml)中,加入碳酸钾(1.1g),搅拌此混合物15分钟。将硫酸二甲酯(0.53g)溶解在DMF(5ml)中,并将该溶液加到混合物中,所得混合物搅拌30分钟,用水稀释,用乙酸乙酯萃取所得浮浊液,干燥萃取液,并进行减压蒸发,得到黄色油状物(2.06g),经高效液相色谱纯化(用乙酸乙酯洗脱),得浅黄色油状物2-〔2′-(6″-甲基吡啶-3″-基氧基)苯基〕-3-甲氧基丙烯酸甲酯(E)(0.73g)。红外光谱,最大波数(薄膜)1705,1642,1488cm-1;1H NMRδ2.52(3H,S);3.63(3H,S);3.81(3H,S);6.88(1H,d);7.04-7.32(5H,m);7.51(1H,S);8.26(1H,d)ppm。
下述实施例为适宜农用和园艺用的组合物的实例,这些组合物是用本发明的化合物配制的,这类组合物构成了本发明另一个方面的内容。
实施例10
将下述各成分混合并搅拌直至全部溶解,而可制得乳油
表Ⅰ中的61号化合物    10%
苄醇    30%
十二烷基苯磺酸钙    5%
壬基酚乙氧基化物(13mol环氧乙烷)    10%
烷基苯    45%
实施例11
将有效成分溶于二氯甲烷中,并将所制得的溶液喷于硅镁土粒上,再让溶剂蒸发,便制得粒状组合物。
表Ⅰ中的14号化合物    5%
粒状硅镁土    95%
实施例12
将下述三种成分研磨、混合,制得适宜作拌种用的组合物。
表Ⅰ中的61号化合物    50%
矿物油    2%
陶土    48%
实施例13
将有效成分与滑石一起研磨和混合,制得能用于喷粉的粉剂。
表Ⅰ中的61号化合物    5%
滑石    95%
实施例14
用球磨机研磨下述各成分,与水一起形成研磨混合物的水悬浮剂,即制得悬浮液母液。
表Ⅰ中的61号化合物    40%
木素磺酸钠    10%
膨润土    1%
水    49%
此制剂经水稀释后可作喷雾用,或直接用于种子。
实施例15
将下述各成分一起混合和研磨,直至各成分充分混合,制得可湿性粉剂。
表Ⅰ中的61号化合物    25%
十二烷基硫酸钠    2%
木素磺酸钠    5%
氧化硅    25%
陶土    43%
实施例16
试验本发明化合物对植物的各种叶真菌病害的作用。所用的方法叙述如下:
植物长在4cm直径的小盆中,施用的是John    Innes盆栽堆肥(1或2号)。试验化合物既可借助球磨、用Dispersol    T水溶液来配制,也可将其配制成丙酮或丙酮/乙醇溶液,在使用前立即将其稀释到所需的浓度。对于叶的病害,将组合物(100ppm有效成分)喷雾于叶上并将其施于土壤中植物的根部。喷雾要有最大的保持力并浸润根部,其最终浓度约等于40ppm有效成分/干土壤。如将其喷雾于禾谷类时,加入吐温20,以使最终浓度为0.05%。
对于大多数试验来讲,在植物接种病菌前一天或前两天,把本发明的化合物施用于土壤(根)及叶上(喷雾)。仅仅有一个例外,对于白粉病(Erysiphe    graminis)的试验是在处理前24小时接种的。所施用的叶病菌,以孢子悬浮液的形式喷雾于试验植物叶上。接种后,把这些植物放在适当的环境中让其传染,并让其发展直至容易对此病害进行评价。在接种到评价之间的时间为4-14天不等,这取决于试验的病害和环境。
对于病害的控制分成下述级别
4=无病害
3=病害轻微~0.5%(未经处理的植物)
2=6-25%的病害(未经处理的植物)
1=26-59%的病害(未处理的植物)
0=60-100%的病害(未处理的植物)
这些结果列于表Ⅴ中
(表Ⅴ见下页)
实施例17
本实施例用以说明表Ⅰ中的14-16、22、61、132和138-140号化合物调节植物生长的性能。
对六种植物的生长调节作用以上述这些化合都对其进行筛选试验。用于该筛选试验的植物列于表Ⅵ中,在叶片阶段对其进行喷雾。
所施用的每种化合物的制剂其量为4000ppm(4kg/公顷,1000升/公顷),使用的是履带式喷雾器和SS8004E(T形)喷嘴。另外还对西红柿进行了试验,浓度为2000和500ppm。
喷雾后,将试验的植物放在温室〔25℃(白天)/22℃(夜间)〕中生长。除这些植物外,还于13-16℃(白天)/11-13℃(夜间)温度进行了小麦和大麦的生长试验。维持平均光照期为16小时(最小为14小时),如果低于这个平均植给以光照。
在温室中2-6周后(取决于植物的种类和当时的季节),用目视法
表Ⅴ
Figure 87103623_IMG53
表Ⅴ(续)
Figure 87103623_IMG54
表Ⅴ(续)
Figure 87103623_IMG55
25 ppm,只喷叶
**40 ppm只喷叶
评价这些植物的形态特征,并与喷以空白制剂的对照组植物进行比较。
结果列于表Ⅶ。
表Ⅵ
用于筛选试验的植物
Figure 87103623_IMG56
JIPJohn Innes盆栽堆肥。
表Ⅶ
Figure 87103623_IMG57
注:2000ppm+500ppm
1-3为迟延发育,这里的1=10-30%
2=21-60%
3=61-100%
G=绿色效应
A=顶端损伤
T=分蘖或侧面抽茎
空白即表示其效应低于10%
NT表示该化合物未对此种植物进行试验
实施例18
本实施例用以说明本发明化合物(Ⅰ)的某些杀虫性能。
用各种螨和线虫来测定每种化合物的作用,所用化合物为液态制剂的形式,按重量计,含100-500ppm的化合物。这些制剂的配制方法是,先将化合物溶于丙酮中,再用含有湿润剂(商品名称是:“SyNPeroNic”NX)0.1%(按重量计)的水稀释,直至该液体制剂浓度合乎要求为止。“SyNPeroNic”为注册的商品名。
对于每种害虫所采取的试验步骤基本上是相同的,这包括使许多害虫寄生在介质(一般是寄主植物)上或害虫要吃的食物上,再用所说的制剂处理这些害虫或处理这些介质,或将这两者均予处理。一般在处理后的一段时间(1-7天不等)里评价这些害虫的死亡率。
表Ⅸ给出了每种化合物的试验结果,在该表的第二栏中给出了用量比例(ppm),对死亡率的等级定有9、5或0,其中9表示其死亡率为80-100%和未处理介质的根结线虫病(Meloidogyne    ineognita)比较,根结减少70-100%);5表示死亡率为50-79%(对于根结线虫病(Meloidogyne    incognita),根结减少50-69%);0表示其死亡率低于50%〔对于根结线虫病(Meloidogyne    incognita),根结减少〕。
在表Ⅸ中,试验用的害虫是以字母符号表示,试验所用的害虫种类、寄生的介质或食物以及试验的类型和持续的时间列于表Ⅷ中。
(表Ⅷ见下页)
表Ⅸ
Figure 87103623_IMG58
Figure 87103623_IMG59
勘误表
Figure 87103623_IMG60

Claims (12)

1、具有式(Ⅰ)的化合物、它的立体异构体及其金属配合物,
Figure 87103623_IMG2
在(Ⅰ)中:
W是取代的吡啶基或取代的嘧啶基,并通过它们的任一个环碳原子连接于A上,
A是氧原子或S(O)n,其中n=0,1或2,
X、Y和Z可以相同或不同,它们可以是氢或卤原子、或羟基、有选择取代的烷基、有选择取代的链烯基、有选择取代的芳基、有选择取代的炔基、有选择取代的烷氧基、有选择取代的烷硫基、有选择取代的芳氧基、有选择取代的芳烷氧基、有选择取代的酸基、有选择取代的氨基、有选择取代的酰氨基、硝基、氰基、-CO2R3、-CONR4R5、-COR6或-S(O)mR7(其中m=0,1或2),或X、Y和Z中,任意两个在苯环上处于相邻位置时,这两个基团连接起来形成稠环,该稠环或为芳香族的或为脂肪族的,可以有选择地含有一个或多个杂原子,
R1和R2可以相同或不同,它们可以是有选择取代的烷基,其条件是W5-三氟甲基吡啶-2-基,A是氧,X是氢,并且如果Z是氢,Y和Z不同时是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基,则R1和R2均为甲基,Y和Z不都是氢,Y不是F、Cl、甲基、硝基、5-CF3、5-SCH3或4-(CH3)2N;
R3、R4、R5、R6和R7可以相同或不同,它们可以是氢原子或有选择取代的烷基、有选择取代的环烷基、有选择取代的环烷基烷基、有选择取代的链烯基、有选择取代的炔基、有选择取代的芳基或有选择取代的芳烷基。
2、具有式(Ⅰ)的化合物及其立体异构体,
其中
W是取代的吡啶基或取代的嘧啶基,并通过它们的任一碳原子连接于A上,而其所带有的取代基的定义同上;
A是氧原子或S(O)n,其中n=0,1或2;
X、Y和Z可以相同或不同,它们可以是氢、氟、氯或溴原子、或C1-4烷基、C2-5链烯基、C2-5炔基、苯基、C1-4卤代烷基、C1-4烷氧基、苯氧基、苄氧基或一或二烷基氨基,或X、Y和Z中任意两个在苯环上处于相邻位置时,这两个基团可连接起来形成稠芳环;
其中,上述任何基团的脂族部分可以有选择地由一个或多个下述基团所取代:C1-4烷氧基、氟、氯或溴原子、其本身是有选择取代的苯环、其本身为有选择取代的杂环(该杂环可以为芳族或非芳族的)、硝基、氨基、氰基、羟基或羧基,并且上述任何基团的苯基部分可以由一个或多个下述基团有选择地取代;氟、氯或溴原子、苯环、C1-4烷基、C1-4烷氧基、硝基、氨基、氰基、羟基或羧基;
R1和R2可以相同或不同,它们可以是C1-4烷基,各个烷基都可由一个、二个或三个卤原子有选择地取代,其条件是W是5-三氟甲基吡啶-2-基,A是氧,X是氢,并且如果Z是氢,Y和Z不同时是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基,则R1和R2都为甲基,Y和Z不都是氢,Y不是F、Cl、甲基、硝基、5-CF3、5-SCH3或4-(CH32N。
3、具有式(Ⅰa)的化合物及其立体异构体,
Figure 87103623_IMG4
其中:
A是S(O)n,这里n=0,1或2,或优先选用氧原子;
W是取代的吡啶基或取代的嘧啶基,并且通过它的任一个碳原子连接于A,吡啶或嘧啶环上的取代基可以相同或不同,它们可以是一个或多个卤原子、或羟基、有选择取代的烷基、有选择取代的链烯基、有选择取代的芳基、有选择取代的炔基、有选择取代的烷氧基(包括卤代烷氧基)、有选择取代的芳氧基、有选择取代的杂环氧基、有选择取代的芳基、有选择取代的杂环基、有选择取代的酸基、有选择取代的氨基、有选择取代的酰氨基、硝基、氰基、-CO2R3、-CONR4R5、-COR6或S(O)mR7(其中m=0,1或2),其条件是W是5-三氟甲基吡啶-2-基,A是氧,X是氢,并且如果Z是氢,Y和Z一起不同时是3-硝基-5-氯、3,5-二硝基、4,5-二甲氧基或4,5-亚甲二氧基,
则R1和R2都是甲基,Y和Z不都是氢,Y不是氟、氯、甲基、硝基、5-CF3、5-SCH3或4-(CH32N;
R3、R4、R5、R6和R7的定义同上。
4、具有式(Ⅰb)的化合物,
Figure 87103623_IMG5
其中Q是甲基、三氟甲基、(但不是5-三氟甲基)、甲氧基、氟、氯或溴。
5、制备权利要求1所述式(Ⅰ)化合物的方法,该方法包括:
(ⅰ)当式(Ⅲ)中的R8是金属原子时,于适宜溶剂中,用R2-L处理化合物(Ⅲ),
或当式(Ⅲ)中的R8是氢时,于适宜溶剂中,相继用碱或R2-L处理化合物(Ⅲ),
Figure 87103623_IMG6
或(ⅱ)于酸或碱的条件下,从醛缩二醇(ⅩⅢ)中消除链烷醇R2OH,
Figure 87103623_IMG7
或(ⅲ)于适宜的溶剂中,在碱和有选择的过渡金属或过渡金属盐催化剂存在下,将化合物(Ⅸ)与式W-L化合物反应,
(图Ⅸ见下页)
或(ⅳ)在适宜的溶剂中,用式Ph3
Figure 87103623_IMG8
HOR2的正膦处理酮酯(ⅩⅤ)
(图ⅩⅤ见下页)
其中,W、X、Y、Z、R1和R2的含义和权利要求1中的相同,L是卤原子或其他的易离去基团,Ph是苯基。
6、本说明书中所定义的中间体化合物(Ⅲ)-(Ⅴ)、(Ⅸ)-(ⅩⅤ)、(ⅩⅦ)、(ⅩⅨ)、(ⅩⅩ)和(ⅩⅩⅤ)。
7、杀真菌剂的组合物,该组合物包括作为有效成分的杀真菌有效量的权利要求1所述的化合物和杀真菌可以接受的载体或稀释剂。
8、杀真菌的方法,该方法包括将权利要求1所述的化合物或权利要求7所述的组合物施用于植物或种子,或它们所在的场所。
9、调节植物生长的组合物,该组合物包括作为有效成分的、其定义和权利要求1相同的、调节植物生长有效量的化合物(Ⅰ)及其可以接受的载体或稀释剂。
10、调节植物生长的方法,该方法包括将权利要求1所述的调节植物生长有效量的化合物(Ⅰ)施用于植物。
11、杀虫剂或杀线虫剂的组合物,该组合物包括权利要求1所述的杀虫或杀线虫化合物(Ⅰ)及载体或稀释剂。
12、消灭或控制昆虫和线虫的方法,该方法包括将权利要求1所定义的杀虫有效量的化合物(Ⅰ),或权利11所述的杀虫有效量的组合物投于害虫或这些害虫所在的场所。
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CN1803798B (zh) * 1993-08-11 2010-06-16 拜尔公司 制备杀真菌组合物的方法
CN102126955B (zh) * 2005-04-26 2012-12-12 先正达有限公司 用dabco作催化剂制备嘧菌酯的方法和用于该方法的新型中间体
CN102276538A (zh) * 2011-08-12 2011-12-14 河北威远生物化工股份有限公司 嘧菌酯及其关键中间体的制备方法
CN102276538B (zh) * 2011-08-12 2015-01-28 河北威远生化农药有限公司 嘧菌酯及其关键中间体的制备方法
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CN115868502A (zh) * 2022-12-16 2023-03-31 山东海利尔化工有限公司 一种含新烟碱的农药组合物

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