CN1199939C - 具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法 - Google Patents

具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法 Download PDF

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CN1199939C
CN1199939C CN 02139612 CN02139612A CN1199939C CN 1199939 C CN1199939 C CN 1199939C CN 02139612 CN02139612 CN 02139612 CN 02139612 A CN02139612 A CN 02139612A CN 1199939 C CN1199939 C CN 1199939C
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ethyl ketone
methylthio group
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CN1410418A (zh
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黄明智
王晓光
黄路
陈灿
柳爱平
欧晓明
王永江
张承来
毛春晖
侯仲轲
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Hunan Research Institute of Chemical Industry
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Abstract

本发明公开了通式(I)表示的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法。其中Q为由右式表示的基团:本发明还提供通式(I)表示的含烷硫烷基腙类衍生物的生物活性,不仅部分具有杀菌活性,而且部分还具有除草活性以及杀虫活性。有些化合物具有良好的杀菌活性,其抑制率达到95%以上;除草防效为A级;对虫的防效在90%以上。

Description

具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法
一、技术领域:本发明涉及具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法。
二、技术背景:中国专利CN1099747A公开了由如下通式表示的含甲氧丙烯酸酯或酰胺的苄基腙类化合物,并描述了它们作为农业上或园艺上杀菌剂的应用。
Figure C0213961200051
T.Hirase(JP09,143,143/1997,6,3,CA127:95101)报道了下式表示的杀菌剂,用于防治pyricularia oryzae。
日本武田药品公司开发的杀菌剂ferimzone(TF-164,商品名Blasin)对稻瘟病有卓效,对纹枯病也有效。
三、发明内容:本发明的目的是提供由以下通式(I)表示的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物:
Figure C0213961200061
通式(I)中X,它们可以相同或不相同,是氢原子,卤素原子,氰基,硝基,C1-6烷基,卤代C1-6烷基,C1-6烷氧基,氰基C1-6烷基,C3-6环烷基,C2-6链烯基,C2-6链炔基;m是零或1-5之间的整数;R1是氢原子,C1-6烷基,卤代C1-6烷基,C1-6烷氧基,C1-6烷硫基;R2是氢原子,C1-6烷基,卤代C1-6烷基;R3是氢原子,C1-6烷基羰基,C1-6烷氧基羰基,卤代C1-6烷基羰基,C1-6烷基硫酰基,C1-6烷氧基硫酰基,卤代C1-6烷基硫酰基;Q为以下基团:
Figure C0213961200062
Y,它们可以相同或不相同,是氢原子,氰基,硝基,卤素原子,C1-6烷基,卤代C1-6烷基,C1-6烷氧基,氰基C1-6烷基,C3-6环烷基,C2-6链烯基,C2-6链炔基;s是零或1-5之间的整数;t是零或1-4之间的整数;R4和R5,可以相同或不同,是氢原子,卤素原子,C1-6烷基,卤代C1-6烷基,C1-6烷氧基,卤代C1-6烷氧基,C1-6烷硫基,C1-6烷胺基,C3-6环烷基,C2-6链烯基,C2-6链炔基,C3-6链烯氧基,C3-6链炔氧基;Z是氮原子或CH。
上述中卤素原子包括氯原子、溴原子、氟原子、碘原子;在取代基中,“C1-6烷基”指具有1-6个碳原子的烷基,比如甲基,乙基,正丙基,异丙基,正丁基,异丁基,仲丁基,叔丁基,正戊基或类似基团;“C1-6烷氧基”指具有1-6个碳原子的烷氧基,比如甲氧基,乙氧基,正丙氧基,异丙氧基,正丁氧基,异丁氧基,仲丁氧基,叔丁氧基,正戊氧基,正己氧基或类似基团;“C1-6烷硫基”指具有1-6个碳原子的烷硫基,比如甲硫基,乙硫基,正丙硫基,异丙硫基,正丁硫基,异丁硫基,仲丁硫基,叔丁硫基,正戊硫基,正己硫基或类似基团;“C1-6烷胺基”指具有1-6个碳原子的烷胺基,比如甲胺基,乙胺基,正丙胺基,异丙胺基,正丁胺基,异丁胺基,仲丁胺基,叔丁胺基,正戊胺基,正己胺基或类似基团;词头“卤代”用来表示有一个或多个作为取代基的卤素原子的基团,该卤素原子可以相同或不同;“卤代C1-6烷基”指具有一个或多个卤素原子作为取代基的1-6个碳原子的取代烷基,各卤素原子可相同或不同。
本发明的另一个目的是提供通式(I)表示的含烷硫烷基腙类衍生物的制备方法,反应式如下:
其中R1,R2,R3,Q,m如上定义。
在单一或混合溶剂中、常压、适宜的温度下采用通式(II)的化合物与通式(III)的化合物反应数小时而得通式(I)的化合物。
作为用于这一反应的溶剂,可使用任何溶剂,只要它不明显抑制反应进程。可以选用的溶剂有甲醇、乙醇、正丙醇、异丙醇,正丁醇,异丁醇,仲丁醇,叔丁醇,正戊醇等C1-6烷基醇,1,4-二氧六环,四氢呋喃,丙酮,二甲基亚砜,N,N-二甲基甲酰胺,乙酸,水。这些溶剂可以单独使用或作为混合物使用。作为混合溶剂使用时优选无水乙醇与乙酸的混合物,无水甲醇与乙酸的混合物,混合溶剂的比例可以为任意比,乙酸与甲醇或乙醇的体积比优选为0.5-5∶100。
反应温度为-20~180℃,优选温度为室温至所选溶剂的回流温度。
反应时间通常选择在0.1~10小时,优选1-6小时。
反应完成后,由常用方法从反应混合物中分离出所需要的化合物,如果需要可通过柱层析法、重结晶法或蒸馏法等提纯,从而制得通式(I)的烷硫烷基腙类化合物。
通式(II)的化合物可通过欧洲专利EP 1125931中叙述的方法制备。
通式(III)的化合物的制备方法:
当Q为苯基、取代的苯基、苯甲酰基、取代的苯甲酰基、苯并噻唑-2基、取代的苯并噻唑-2基等时,可采购得到。当Q为嘧啶-2-基、三嗪-2-基等时,参照Journal ChemistrySociety 1952:4691描述的方法制备。
本发明用表1表示合成的部分通式(I)所示的化合物,但并不限制本发明的范围。
表1  通式(I)表示的含烷硫烷基腙类衍生物及其熔点
    25     4-CH3   H   CH3   H     3-Cl,4-ClPh     106.4-107.8
    26     2-CH3   H   CH3   H     4-NO2Ph     142.0
    27     2-Cl,4-Cl   H   CH3   H     2-NO2,4-NO2Ph     114.3-114.8
    28     2-Cl,4-Cl   H   CH3   H     2-Cl,4-ClPh     60.8-61.3
    29     2-Cl,4-Cl   H   CH3   H     4-NO2Ph     117.3-117.8
    30     2-Cl,4-Cl   H   CH3   H     2-Cl,4-Cl,5-ClPh     138.6-139.2
    31     2-Cl,4-Cl   H   CH3   H     3-Cl,4-ClPh     109.4-110.6
    32     2-Cl,4-Cl   H   CH3   H     3-ClPh     88.7-89.5
    33     2-Cl   H   CH3   H     2-NO2,4-NO2Ph     149.4-149.6
    34     3-Br,4-F   CH3   CH3   H     4-NO2Ph     177.8-178.6
    35     4-F   H   CH3   H     2-NO2,4-NO2Ph     159.0-160.8
    36     4-F   H   CH3   H     4-NO2Ph     186.3-186.5
    37     4-F   H   CH3   H     2-Cl,4-ClPh     98.4-101.9
    38     4-F   H   CH3   H     3-Cl,5-ClPh     105.9-106.3
    39     4-Cl   H   CH3   H     4-CH3O,6-CH3OPy     124.0-124.7
    40     4-CH3   H   CH3   H     4-CH3O,6-CH3OPy     110.8-111.0
    41     4-Br   H   CH3   H     4-CH3O,6-CH3OPy     118.0-119.0
    42     4-CH3   H   CH3   H     4-CH3S,6-CH3SPy     133.0-134.0
    43     4-CH3   H   CH3   H     4-CH3O,6-CH3SPy     94(分解)
    44     4-Cl   H   CH3   H     4-CH3O,6-CH3SPy     114(分解)
    45     2-Cl,4-Cl   H   CH3   H     4-CH3O,6-CH3OPy     148.9-150.4
    46     4-Cl   H   CH3   H     4-CH3O,6-C2H5SPy     79.6-81.7
    47     4-Cl   H   CH3   H     4-C2H5O,6-C2H5OPy     122.3-123.0
    48     4-CH3   H   CH3   H     4-C2H5O,6-C2H5OPy     101.0-101.5
    49     2-Cl,4-Cl   H   CH3   H     4-C2H5O,6-C2H5OPy     /
    50     4-F   H   CH3   H     4-CH3O,6-CH3OPy     112.5-113.1
    51     4-F   H   CH3   H     4-CH3,6-CH3Py     /
    52     4-F   H   CH3   H     4-C2H5O,6-C2H5OPy     93.0-95.5
    53     4-CH3   H   CH3   H     4-CH3,6-CH3Py     97.9-99.0
    54     4-Cl   H   CH3   H     4-CH3,6-CH3Py     /
    55     4-F   H   CH3   H     PhCO     128.9-129.9
    56     4-Cl   H   CH3   H     PhCO     135.1-136.0
    57     4-CH3   H   CH3   H     PhCO     138.7-139.5
    58     2-Cl,4-Cl   H   CH3     H     PhCO     152.9-153.4
    59     4-Cl   H   CH3     H     4-BrPhCO     168.7-170.5
    60     4-Cl   H   CH3     H     3-ClPhCO     127.9-128.7
    61     4-Cl   H   CH3     H     4-ClPhCO     164.4-166.0
    62     4-F   H   CH3     H     4-BrPhCO     151.0-151.4
    63     4-CH3   H   CH3     H     4-CH3PhCO     /
    64     4-CH3   H   CH3     H     2-Cl,4-ClPhCO     141.6-144.3
    65     4-CH3   H   CH3     H     4-ClPhCO     146.0-149.8
    66     4-CH3   H   CH3     H     2-ClPhCO     136.2-136.4
    67     4-CH3   H   CH3     H     3-NO2PhCO     /
    68     4-F   H   CH3     H     Q4     118.7-1224
    69     4-CH3   H   CH3     H     Q4     103.5-106.7
    70     4-Cl   H   CH3     H     Q4     114.6(分解)
注:Ph为苯基;Py为嘧啶-2-基;Q4为苯并噻唑-2基;/表示未测试。
本发明用表2表示对合成的部分通式(I)化合物进行的1H NMR测定数据,但并不限定本发明。
表2  通式(I)表示的含烷硫烷基腙类衍生物1HNMR数据
    序号  1H NMR(ppm)
    1  2.29(s,3H,SCH3),3.87(s,2H,CH2),7.42-9.17(m,7H,ph-H),11.80(s,1H,NH)
    2  2.18(s,3H,SCH3),3.86(s,2H,CH2),7.23-8.25(m,8H,ph-H),9.08(s,1H,NH)
    3  2.12(s,3H,SCH3),3.80(s,2H,CH2),6.90-7.74(m,9H,ph-H)
    4  2.14(s,3H,SCH3),3.81(s,2H,CH2),7.23-7.73(m,7H,ph-H),8.92(s,1H,NH)
    7  2.12(s,3H,SCH3),2.27(s,3H,ph-CH3),3.79(s,2H,CH2),7.10-7.93(m,8H,ph-H)
    8  2.16(s,3H,SCH3),3.83(s,2H,CH2SCH3),7.37-7.75(m,6H,ph-H),8.93(s,1H,NH)
    9  2.13(s,3H,SCH3),3.79(s,2H,CH2SCH3),7.26-7.72(m,7H,ph-H),8.54(s,1H,NH)
    10  2.29(s,3H,SCH3),3.88(s,2H,CH2),7.56-9.16(m,7H,ph-H),11.80(s,1H,NH)
    11  2.16(s,3H,SCH3),3.83(s,2H,CH2),7.21-8.22(m,8H,ph-H),9.04(s,1H,NH)
    12  2.11(s,3H,SCH3),2.28(s,6H,ph-CH3),3.84(s,2H,CH2),6.94-7.68(m,7H,ph-H)
    14  2.15(s,3H,SCH3),3.82(s,2H,CH2SCH3),7.26-7.68(m,6H,ph-H),8.94(s,1H,NH)
    15  2.12(s,3H,SCH3),3.78(s,2H,CH2SCH3),6.95-7.63(m,7H,ph-H),8.58(s,1H,NH)
    16  2.16(s,3H,SCH3),3.83(s,2H,CH2SCH3),6.93-7.69(m,8H,ph-H),8.60(s,1H,NH)
    17  2.27(s,3H,SCH3),2.41(s,3H,CH3),3.89(s,2H,CH2),7.28-9.18(m,7H,ph-H),11.80(s,1H,NH)
    18  2.14(s,3H,SCH3),2.39(s,3H,ph-CH3),3.84(s,2H,CH2),7.21-8.21(m,8H,ph-H),9.06(s,1H,NH)
    19  2.30(s,3H,SCH3),2.51(s,3H,ph-CH3),3.83(s,2H,CH2),7.29-9.18(m,7H,ph-H),11.84(s,1H,NH)
20  2.11(s,3H,SCH3),2.29(s,6H,ph-CH3),2.37(s,3H,ph-CH3),3.87(s,2H,CH2),6.93-7.71(m,7H,ph-H)
    21  2.11(s,3H,SCH3),2.37(s,3H,ph-CH3),3.83(s,2H,CH2),6.90-7.71(m,9H,ph-H)
23  2.15(s,3H,SCH3),2.39(s,3H,phCH3),3.84(s,2H,CH2SCH3),7.21-7.71(m,6H,ph-H),8.94(s,1H,NH)
    24  2.11(s,3H,SCH3),2.38(s,3H,phCH3),3.82(s,2H,CH2SCH3),7.19-7.70(m,8H,ph-H)
    25  2.11(s,3H,SCH3),2.38(s,3H,phCH3),3.81(s,2H,CH2SCH3),6.96-7.66(m,7H,ph-H),
    26  2.17(s,3H,SCH3),2.39(s,3H,ph-CH3),3.85(s,2H,CH2),7.20-7.72(m,8H,ph-H),8.89(s,1H,NH)
    27  2.24(s,3H,SCH3),3.88(s,2H,CH2),7.26-9.18(m,6H,ph-H),11.92(s,1H,NH)
    28  2.17(s,3H,SCH3),3.83(s,2H,CH2),7.26-7.45(m,6H,ph-H),9.20(s,1H,NH)
    29  2.17(s,3H,SCH3),3.83(s,2H,CH2),7.25-8.19(m,7H,ph-H),9.36(s,1H,NH)
    30  2.14(s,3H,SCH3),3.82(s,2H,CH2SCH3),7.25-7.756(m,5H,ph-H),9.22(s,1H,NH)
    31  2.13(s,3H,SCH3),3.80(s,2H,CH2SCH3),6.95-7.44(m,6H,ph-H),8.90(s,1H,NH)
    32  2.12(s,3H,SCH3),3.81(s,2H,CH2SCH3),6.86-7.44(m,7H,ph-H),
    33  2.25(s,3H,SCH3),3.92(s,2H,CH2SCH3),7.26-8.03(m,7H,ph-H),11.91(s,1H,NH)
    34  1.42-1.44(d,3H,CH3),2.12(s,3H,SCH3),3.72-3.74[q,1H,(CH3)CHSCH3],6.98-8.15(m,7H,ph-H)
    35  2.30(s,3H,SCH3),3.89(s,2H,CH2SCH3),7.12-9.18(m,7H,ph-H),11.80(s,1H,NH)
    36  2.17(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.20-8.22(m,8H,ph-H),9.00(s,1H,NH)
    37  2.18(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.09-7.56(m,7H,ph-H),8.86(s,1H,NH)
    38  2.14(s,3H,SCH3),3.79(s,2H,CH2SCH3),6.88-7.78(m,7H,ph-H),8.60(s,1H,NH)
39  2.24(s,3H,SCH3),3.90(s,2H,CH2),4.04(s,6H,2*OCH3),5.65(s,1H,CH),7.26-7.82(m,4H,ph-H),10.38(s,1H,NH)
40  2.08(s,3H,SCH3),2.25(s,3H,ph-CH3),3.99(s,2H,CH2),4.06(s,6H,2*OCH3),5.60(s,1H,=CH),7.23-7.78(m,4H,ph-H)
41  2.20(s,3H,SCH3),3.83(s,2H,CH2),4.00(s,6H,2*OCH3),5.65(s,1H,=CH),7.51-7.76(m,4H,ph-H),9.48(s,1H,NH)
42  2.27(s,3H,SCH3),2.42(s,3H,phCH3),3.97(s,2H,CH2SCH3),6.59(s,1H,=CH),6.96-7.66(m,7H,ph-H),
43  2.26(s,3H,CH2SCH3),2.40(s,3H,phCH3),2.67(s,3H,SCH3)3.95(s,2H,CH2SCH3),4.09(s,3H,OCH3),6.13(s,1H,=CH),7.22-7.82(m,4H,ph-H)
44  2.17(s,3H,CH2SCH3),2.55(s,3H,SCH3),3.80(s,2H,CH2SCH3),3.99(s,3H,OCH3),6.14(s,1H,=CH),7.26-7.82(m,4H,ph-H),9.06(s,1H,NH)
45  2.16(s,3H,SCH3),3.87(s,2H,CH2SCH3),3.96(s,6H,2×OCH3),5.64(s,1H,=CH),7.28-7.48(m,3H,ph-H)
46  1.40-1.44(t,3H,CH3),2.19(s,3H,SCH3),3.17-3.19(q,2H,SCH2CH3),3.84(s,2H,CH2SCH3),4.01(s,3H,OCH3),6.14(s,1H,CH),7.35-7.83(m,4H,ph-H),9.52(s,1H,NH)
47  1.40-1.44(t,6H,2×OCH2CH3),2.19(s,3H,SCH3),3.83(s,2H,CH2SCH3),4.38-4.40(q,4H,2×OCH2CH3),5.60(s,1H,=CH),7.35-7.82(m,4H,ph-H),9.58(s,1H,NH)
48  1.39-1.44(t,6H,2×OCH2CH3),2.19(s,3H,SCH3),2.37(s,3H,phCH3),3.86(s,2H,CH2SCH3),4.38-4.41(q,4H,2×OCH2CH3),5.58(s,1H,=CH),7.21-7.77(m,4H,ph-H),9.60(s,1H,NH)
49  1.38-1.43(t,6H,2×OCH2CH3),2.17(s,3H,SCH3),3.93(s,2H,CH2SCH3),4.36-4.38(q,4H,2×OCH2CH3),5.59(s,1H,=CH),7.27-7.45(m,3H,ph-H)
50  2.19(s,3H,SCH3),3.83(s,2H,CH2SCH3),3.98(s,6H,2×OCH3),5.65(s,1H,=CH),7.08-7.88(m,4H,ph-H),9.15(s,1H,NH)
51  2.17(s,3H,SCH3),2.44(s,6H,2×CH3),3.83(s,2H,CH2SCH3),6.59(s,1H,=CH),7.08-7.86(m,4H,ph-H),9.16(s,1H,NH)
52  1.39-1.43(t,6H,2×OCH2CH3),2.17(s,3H,SCH3),3.81(s,2H,CH2SCH3),4.35-4.38(q,4H,2×OCH2CH3),5.60(s,1H,=CH),7.08-7.26(m,4H,ph-H),9.10(s,1H,NH)
53  2.15(s,3H,SCH3),2.37(s,3H,phCH3),2.44(s,6H,2×CH3),3.86(s,2H,CH2SCH3),6.58(s,1H,=CH),7.27-7.78(m,4H,ph-H),9.40(s,1H,NH)
54  2.15(s,3H,SCH3),2.43(s,6H,2×CH3),3.83(s,2H,CH2SCH3),6.59(s,1H,=CH),7.34-7.83(m,4H,ph-H),9.36(s,1H,NH)
    55  2.20(s,3H,SCH3),3.86(s,2H,CH2SCH3),7.08-8.03(m,9H,ph-H)
    56  2.18(s,3H,SCH3),3.85(s,2H,CH2SCH3),7.37-7.95(m,9H,ph-H),10.55(s,1H,NH)
    57  2.17(s,3H,CH2SCH3),2.44(s,3H,phCH3),3.86(s,2H,CH2SCH3),7.23-7.97(m,9H,ph-H),10.58(s,1H,NH)
    58  2.19(s,3H,SCH3),3.86(s,2H,CH2SCH3),7.27-7.62(m,8H,ph-H),8.65(s,1H,NH)
    59  2.17(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.36-7.81(m,8H,ph-H),10.55(s,1H,NH)
    60  2.19(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.35-7.85(m,8H,ph-H)
    61  2.18(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.37-7.90(m,8H,ph-H)
    62  2.18(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.18-7.82(m,8H,ph-H)
63  2.08(s,3H,SCH3),2.39(s,3H,phCH3),3.70(s,2H,CH2SCH3),4.13(s,2H,COCH2),7.21-7.69(m,9H,ph-H),9.44(s,1H,NH)
64  2.15(s,3H,SCH3),2.38(s,3H,phCH3),3.80(s,2H,CH2SCH3),7.14-7.76(m,7H,ph-H),10.22(s,1H,NH)
65  2.16(s,3H,SCH3),2.44(s,3H,phCH3),3.84(s,2H,CH2SCH3),7.20-7.90(m,8H,ph-H),9.04(s,1H,NH)
66  2.16(s,3H,SCH3),2.44(s,3H,phCH3),3.84(s,2H,CH2SCH3),7.06-7.95(m,8H,ph-H),10.60(s,1H,NH)
    67  2.12(s,3H,SCH3),2.26(s,3H,phCH3),3.98(s,2H,CH2SCH3),7.08-8.20(m,7H,ph-H)
    68  2.18(s,3H,SCH3),3.86(s,2H,CH2SCH3),7.12-7.86(m,8H,ph-H)
    69  2.17(s,3H,SCH3),2.40(s,3H,phCH3),3.87(s,2H,CH2SCH3),7.15-7.76(m,9H,ph-H)
    70  2.15(s,3H,SCH3),3.85(s,2H,CH2SCH3),7.16-7.80(m,9H,ph-H)
本发明还提供通式(I)表示的含烷硫烷基腙类衍生物的生物活性,不仅部分具有杀菌活性,而且部分还具有除草活性以及杀虫活性。例如化合物53,54等对水稻稻瘟、化合物2,51,53,54,61,64,65等对油菜菌核,化合物54,61,65等对黄瓜灰霉病菌,化合物65等对小麦赤霉病菌,化合物12,13,40等对小麦白粉病菌具有良好的杀菌活性,其抑制率达到95%以上。使用剂量为1500ga.i./ha时,化合物36等苗前土壤处理对苘麻、藜的防效为A级。500ppm时,化合物13,27,29,56,57,58等化合物对蚜虫的防效在90%以上。
四、具体实施方式:列举以下实施例对本发明作进一步说明,但不限定本发明的范围。
实施例1:1-(4-氟苯基)-2-甲硫基乙酮-4-硝基苯腙(表1中化合物36)的制备
在50ml三颈瓶中加入无水乙醇(20ml)、对硝基苯肼(0.77g)和少量冰醋酸,室温下搅拌半小时,然后慢慢滴加1-(4-氟苯基)-2-甲硫基乙酮(1.00g),升温至回流,并维持回流反应2小时。冷却,过滤析出的黄色绒状固体物,烘干得标题化合物1.21克,收率71%。熔点186.3-186.5℃。1HNMR(CDCl3,ppm):2.17(s,3H,SCH3),3.84(s,2H,CH2SCH3),7.20-8.22(m,8H,ph-H),9.00(s,1H,NH)。
实施例2:1-(4-甲基苯基)-2-甲硫基乙酮-苯甲酰腙(表1中化合物57)的制备
在25ml圆底烧瓶中于室温下加入无水乙醇(10ml)、苯甲酰肼(1.5g)、1-(4-甲基苯基)-2-甲硫基乙酮(2.00g)和少量冰醋酸,搅拌下慢慢升温至回流,并维持回流反应7小时。冷却,过滤析出的黄色固体物,用无水乙醇洗涤,得白色标题化合物1.43克,收率43%。熔点138.7-139.5℃。1H NMR(CDCl3,ppm):2.17(s,3H,CH2SCH3),2.44(s,3H,phCH3),3.86(s,2H,CH2SCH3),7.23-7.97(m,9H,ph-H),10.58(s,1H,NH)。
实施例3:1-(4-甲基苯基)-2-甲硫基乙酮-4,6-二甲基-2-嘧啶腙(表1中化合物53)的制备
在25ml圆底烧瓶中于室温下加入无水乙醇(5ml)、4,6-二甲基-2-嘧啶肼(0.60g)、1-(4-甲基苯基)-2-甲硫基乙酮(0.78g)和少量冰醋酸,搅拌,然后慢慢升温至回流,并维持回流反应6小时。脱溶后得棕色液体,加入少量乙醚,冷冻,析出黄色固体,过滤,烘干得标题化合物0.67克,收率51%。熔点97.9-99.0℃。1H NMR(CDCl3,ppm):2.15(s,3H,SCH3),2.37(s,3H,phCH3),2.44(s,6H,2×CH3),3.86(s,2H,CH2SCH3),6.58(s,1H,=CH),7.27-7.78(m,4H,ph-H),9.40(s,1H,NH)。
实施例4:1-(4-甲基苯基)-2-甲硫基乙酮-苯并噻唑腙(表1中化合物69)的制备
在25ml圆底烧瓶中于室温下加入无水乙醇(2ml)、苯并噻唑肼(0.50g)、1-(4-甲基苯基)-2-甲硫基乙酮(0.54g)和少量冰醋酸,搅拌下慢慢升温至回流,并维持回流反应6小时。冷却,过滤析出的黄色固体物,用无水乙醇洗涤,得灰白色标题化合物0.93克,收率94%。熔点114.6(分解)。1H NMR(CDCl3,ppm):2.15(s,3H,SCH3),3.85(s,2H,CH2SCH3),7.16-7.80(m,9H,ph-H)。
实施例5:杀菌活性筛选试验
选择稻瘟病菌(Pyricularia oryzae),稻纹枯病菌(Rhizoctonia solani),黄瓜灰霉病菌(Botrytis cinerea),油菜菌核病菌(Sclerotonia sclerotiorum),小麦赤霉病菌(Gibberellazeae),小麦白粉病菌等为测试靶标。以上菌种均保存在冰箱(4-8℃)内,试验前2-3天从试管斜面接种到培养皿内,在适宜温度下培养供试验用。实验用培养基均为马铃薯琼脂培养基(PDA)。实验前准确称取适量待测新化合物,先用适宜溶剂溶解并加入少量乳化剂,用清水稀释成一定浓度。采用离体叶片培养法和盆栽法测试新化合物对稻纹枯病菌、黄瓜灰霉病菌、油菜菌核病菌和小麦赤霉病菌的活性,浓度为500ppm。采用盆栽法和含毒培养基法测试新化合物对稻瘟病菌的活性,浓度分别为500ppm和25ppm。处理后定期观察记录叶片、植株的发病情况和菌丝生长情况,根据病情指数和菌丝直径,计算防效和抑制率。杀菌活性等级标准划分:A级-防效(抑制率)≥95%,B级-70%≤防效(抑制率)<95%,C级-50%≤防效(抑制率)<70%,D级-防效(抑制率)<50%。
试验发现化合物53,54等对水稻稻瘟、化合物2,51,53,54,61,64,65等对油菜菌核,化合物54,61,65等对黄瓜灰霉病菌,化合物65等对小麦赤霉病菌,化合物12,13,40等对小麦白粉病菌对具有良好的杀菌活性,其抑制率达到95%以上;化合物51,64等对水稻稻瘟,化合物3,27,30,44等对油菜菌核,化合物5,6,7,21等对黄瓜灰霉病菌,化合物27,61等对小麦赤霉病菌,化合物5,7,17,20,21,41,44等对小麦白粉病菌对具有良好的杀菌活性,其抑制率达到70% 95%。
实施例6:除草活性筛选试验
选用单子叶杂草马唐Digitaria sanguinalis(H.B.K)Henrard、稗草Echinochloacrus-galli L.、狗尾草Setaria viridis(L.)Beauv.和双子叶杂草苘麻Abutilon theophrasti Medic、藜Chenopodium album L、反枝苋Amaranthus retroflexus L.、猪殃殃Galium aparine L.、马齿苋Portulaca oleracea L.、卷茎蓼Chenopodium convulvolus L.、酸模叶蓼Polygonumlapothifolium L.中的3种为筛选靶标。在截面积64cm2的塑料盆钵中定量装土压平,置于不锈钢盆中,选取籽粒饱满、大小一致的种子,分单、双子叶植物分钵播种,各占钵面积的1/3,覆1cm厚细土,从塑料盆钵底部加水至上层土壤浸润,置于温室培养,待试材长至所需叶龄进行处理;试材播种次日进行苗前土壤处理,单子叶试材长至1叶1心期、双子叶试材长至2片真叶期进行苗后茎叶处理;准确称取样品,用适宜溶剂溶解后加入少许乳化剂,再加入50mL微热的蒸馏水;按设置剂量定量移取药液进行茎叶喷雾和土壤喷雾处理,分别以喷雾溶剂和清水为对照;处理试材置于温室培养;处理15后目测地上部生长情况,计算生长抑制率。根据调查结果,按以下公式计算各化合物对杂草的防效:
防效(%)=100*(对照株高-处理株高)/对照株高
根据防效进行除草活性分级:A级:防效>90%;B级:防效75~90%;C级:防效50~75%;D级:防效25~50%;E级:防效<25%。
试验结果表明通式(I)表示的化合物对双子叶杂草具有良好效果,如使用剂量为2250ga.i./ha时,化合物55,68等苗前土壤处理,化合物37,54,60,62,63,65等苗后茎叶处理对苘麻的防效为A级;化合物34,36,55,68等苗前土壤处理,化合物37,62,63等苗后茎叶处理对藜的防效为A级,化合物65等苗后茎叶处理对藜的防效为B级;化合物34,36,55,68等苗前土壤处理,化合物62,63等苗后茎叶处理对马齿苋的防效为A级。使用剂量为1500ga.i./ha时,化合物36等苗前土壤处理对苘麻、藜的防效为A级。使用剂量为750ga.i./ha时,化合物36等苗前土壤处理对苘麻的防效为A级。
实施例7:对蚜虫的防治试验
准确称取适量待测新化合物,先用适宜溶剂溶解并加入少量乳化剂,再以清水稀释至500ppm。采用浸渍法对室内饲养的标准蚜虫(Aphis fabae)进行处理,处理后定期观察并记录试虫的存活情况,计算死亡率。杀虫活性等级标准:死亡率大于或等于90%为A级;死亡率介于70~90%为B级;死亡率介于50~70%为C级;死亡率小于50%为D级。
试验结果表明通式(I)表示的化合物对蚜虫有良好防效,如化合物13,27,29,56,57,58等化合物具有A级活性。具体试验结果见下表:
    化合物编号            蚜虫
  死亡率(%)     毒力级别
    13   100     A
    27   100     A
    29   100     A
    56   90.48     A
    57   97.30     A
    58   92.86     A

Claims (6)

1、具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物,其特征在于具有通式(I)的结构,
通式(I)中X,它们可以相同或不相同,是氢原子,卤素原子,C1-6烷基;m是零或1-5之间的整数;R1是氢原子,C1-6烷基;R2是C1-6烷基;R3是氢原子;Q为以下基团:
Y,它们可以相同或不相同,是氢原子,硝基,卤素原子,C1-6烷基;s是零或1-5之间的整数;t是零或1-4之间的整数;R4和R5,可以相同或不同,是C1-6烷基,C1-6烷氧基,C1-6烷硫基;Z是氮原子或CH。
2、根据权利要求1所述的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物,其特征在于:Q的定义同上;X,它们可以相同或不相同,是氢原子,卤素原子,甲基;Y,它们可以相同或不相同,是氢原子,硝基,卤素原子,甲基;m是零或1-5之间的整数;s是零或1-5之间的整数;t是零或1-4之间的整数;R1是氢原子,甲基;R2是甲基;R3是氢原子;R4和R5,可以相同或不同,是甲基,甲氧基,乙氧基,甲硫基,乙硫基;
Z是CH。
3、根据权利要求1或2所述的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物,其特征化合物为:
1-(4-氯苯基)-2-甲硫基乙酮-4-硝基苯腙
1-(4-溴苯基)-2-甲硫基乙酮-2,4-二甲基苯腙
1-(4-溴苯基)-2-甲硫基乙酮-2,4-二氯苯腙
1-(2,4-二氯苯基)-2-甲硫基乙酮-2,4-二硝基苯腙
1-(2,4-二氯苯基)-2-甲硫基乙酮-4-硝基苯腙
1-(3-溴-4-氟苯基)-2-甲硫基乙酮-4-硝基苯腙
1-(4-氟苯基)-2-甲硫基乙酮-4-硝基苯腙
1-(4-氟苯基)-2-甲硫基乙酮-2,4-二氯苯腙
1-(4-甲基苯基)-2-甲硫基乙酮-4,6-二甲氧基-2-嘧啶腙
1-(4-氟苯基)-2-甲硫基乙酮-4,6-二甲基-2-嘧啶腙
1-(4-甲基苯基)-2-甲硫基乙酮-4,6-二甲基-2-嘧啶腙
1-(4-氯苯基)-2-甲硫基乙酮-4,6-二甲基-2-嘧啶腙
1-(4-氟苯基)-2-甲硫基乙酮-苯甲酰腙
1-(4-氯苯基)-2-甲硫基乙酮-苯甲酰腙
1-(4-甲基苯基)-2-甲硫基乙酮-苯甲酰腙
1-(2,4-二氯苯基)-2-甲硫基乙酮-苯甲酰腙
1-(4-氯苯基)-2-甲硫基乙酮-3-氯苯甲酰腙
1-(4-氯苯基)-2-甲硫基乙酮-4-氯苯甲酰腙
1-(4-氟苯基)-2-甲硫基乙酮-4-溴苯甲酰腙
1-(4-甲基苯基)-2-甲硫基乙酮-4-甲基苯甲酰腙
1-(4-甲基苯基)-2-甲硫基乙酮-2,4-二氯苯甲酰腙
1-(4-甲基苯基)-2-甲硫基乙酮-4-氯苯甲酰腙
1-(4-氟苯基)-2-甲硫基乙酮-苯并噻唑腙
4、根据权利要求1或2或3所述的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物的制备方法,其特征在于反应压力为常压,反应温度为-20℃至所选溶剂的回流温度,并在溶剂中采用通式(II)的化合物与通式(III)的化合物反应0.1~10小时而得,反应方程式如下:
其中R1,R2,R3,Q,R4,R5,X,Y,m,s,t如上定义。
5、根据权利要求4所述的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物的制备方法,其特征在于反应所选用的溶剂为C1-5烷基醇,1,4-二氧六环,四氢呋喃,丙酮,二甲基亚砜,N,N-二甲基甲酰胺,乙酸,水;这些溶剂可以单独使用或混合使用,混合溶剂的比例可以为0.5-5∶100。
6、根据权利要求1、2或3所述的具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物的用途,其特征在于作为杀菌剂、除草剂或杀虫剂在农业或园艺上使用;可以单独作为有效成分使用,也可以与其它农药混合使用。
CN 02139612 2002-09-13 2002-09-13 具有杀虫、杀菌、除草活性的含烷硫烷基腙类衍生物及其制备方法 Expired - Fee Related CN1199939C (zh)

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AU2003297071A AU2003297071A1 (en) 2002-09-13 2003-06-27 Alkyl-s-alkyl hydrazone compounds with insecticide, fungicide, herbicide activities and their preparation
PCT/CN2003/000503 WO2004024680A1 (fr) 2002-09-13 2003-06-27 Composes d'alkyle-s-alkyle hydrazone a activites insecticides, fongicides et herbicides et leur preparation

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