CN111377844B - Dioxopyrrolidine acetic acid derivative, preparation method and application thereof - Google Patents

Dioxopyrrolidine acetic acid derivative, preparation method and application thereof Download PDF

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CN111377844B
CN111377844B CN201811616788.3A CN201811616788A CN111377844B CN 111377844 B CN111377844 B CN 111377844B CN 201811616788 A CN201811616788 A CN 201811616788A CN 111377844 B CN111377844 B CN 111377844B
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acetic acid
dioxopyrrolidin
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chlorophenyl
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杨春龙
王濛琪
陈敏
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Nanjing Agricultural University
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Abstract

The invention belongs to the field of bactericides and discloses a derivative of dioxopyrrolidine acetic acid, a preparation method and application thereof, wherein the structure of the compound is shown as the formula (I):

Description

Dioxopyrrolidine acetic acid derivative, preparation method and application thereof
Technical Field
The invention relates to a derivative of dioxypyrrolidine acetic acid, a preparation method and application thereof in preventing and treating plant fungal diseases, and the derivative has application as a pesticide bactericide.
Background
The pyrrolidine dione is a five-membered heterocycle containing nitrogen, is usually found in the structures of some natural compounds, and the compounds containing the pyrrolidine dione often show various biological activities such as anti-tumor, sterilization, weeding and the like, and are often used as lead compounds for researching and developing novel medicines, particularly pesticides. Pyrrolidine dione compounds as disclosed in patents ZL201210524110.9 and ZL201510204812.2 have good activity in inhibiting plant pathogenic fungi. Hydrazine group is an important active group, people often introduce the hydrazine group into the molecular structure of pesticides, such as chromafenozide (chromafenozide) and chlorfenozide (halofenozide) which belong to pesticides containing hydrazine groups, and the hydrazine group is widely applied to the aspect of controlling agricultural pests. Patent ZL201110453110.X discloses pyrrolidine diketone compounds containing phenylhydrazine groups, and has obvious inhibitory activity on plant pathogenic fungi. WO9962335A1 discloses a class of hydrazide compounds having antifungal activity. In addition, compounds containing amide groups often also have good biological activity. For example, boscalid (boscalid) and fluxapyroxad (fluxapyroxad) are typical amide fungicides.
According to the invention, a substituted phenylhydrazine group is introduced into the position 4 of the dioxypyrrolidine acetic acid, and the position 2 is linked with aniline or a phenylhydrazine group through an acetyl group, so that a dioxypyrrolidine acetic acid derivative is designed and synthesized, and the biological activity test result shows that the compound has the activity of obviously inhibiting plant pathogenic fungi.
Disclosure of Invention
The invention aims to provide a derivative of dioxy pyrrolidine acetic acid.
The second purpose of the invention is to provide a preparation method of the derivative of the dioxy pyrrolidine acetic acid.
The third purpose of the invention is to provide the application of the derivative.
The first aspect of the invention provides a derivative of dioxypyrrolidine acetic acid with a structure shown in a general formula (I),
Figure BSA0000176601510000011
in formula (I), the respective groups have the definitions as described below:
Y (m) wherein m =1-5 substitution, Y (m) Selected from the following 1-5 groups: x, R, wherein X represents halogen; r represents hydrogen, C unsubstituted or substituted by 1 to 6 halogens 1-6 An alkyl group;
Z (n) wherein n =1-5 substitution, Z (n) Selected from the following 1-5 groups: x, R, wherein X represents halogen; r represents hydrogen, C unsubstituted or substituted by 1 to 6 halogens 1-6 An alkyl group;
k is selected from 0 and 1.
In formula (I), the respective groups have the preferred definitions as described below:
Y (m) wherein m =1-2 substitution, Y (m) 1-2 groups selected from: x, R, wherein X represents halogen; r represents C 1-3 An alkyl group;
Z (n) wherein n =1-2 substitution, Z (n) Selected from 1-2 halogens;
k is selected from 0 and 1.
In formula (I), the respective groups have further preferred definitions as described below:
Y (m) wherein m =1 substitution, Y (m) Selected from the following 1 group: 4-X, 4-CH 3 Wherein X represents F, cl, br;
Z (n) wherein n =1-2 substitution, Z (n) Selected from 1-2F, cl, br;
k is selected from 0 and 1.
In formula (I), the various groups have the further preferred definitions as described below:
Y (m) selected from 4-Cl, 4-CH 3
Z (n) Selected from 2-Cl, 4-Cl, 2,4- (Cl) 2 、4-Br;
k is selected from 0 and 1.
In formula (I), the individual radicals have the particularly preferred definitions indicated below:
n- (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-a),
N- (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-b),
N- (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-c),
N- (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-d),
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-e),
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-f),
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-g),
N' - (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-h),
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-I),
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-j),
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-k),
N' - (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide (I-l).
In a second aspect, the present invention provides a process for preparing a derivative of dioxopyrrolidine acetic acid of formula (I) by reacting a compound of formula (II) with a compound of formula (III) to prepare a derivative of dioxopyrrolidine acetic acid of formula (I) whose reaction formula can be represented by the following general formula (a):
Figure BSA0000176601510000021
wherein in each of the above structural formulae:
Y (m) 、Z (n) and k each have the definitions of the corresponding groups as described above.
The third aspect of the invention relates to the application of the derivative of dioxy pyrrolidine acetic acid in the aspects of inhibiting plant pathogenic fungi and preventing and treating plant fungal diseases, which is suitable for being used as a bactericide and applied in the field of pesticides.
The compound of the invention is suitable for inhibiting plant pathogenic fungi, such as rice sheath blight fungus, wheat gibberellic disease, strawberry gray mold fungus.
The compound of the invention is suitable for preventing and treating plant fungal diseases, such as rice sheath blight disease, wheat scab and strawberry gray mold.
Has the advantages that:
1. the chemical structure of the derivative of dioxy pyrrolidine acetic acid in formula (I) is novel, the structural formula of the compound contains a pyrrolidine diketone core heterocycle, wherein ethylene on the 4-position is linked with a substituted phenylhydrazine group, and acetyl on the 2-position is linked with substituted aniline or substituted phenylhydrazine.
2. The preparation method of the derivative of dioxypyrrolidine acetic acid shown in formula (I) is simple and easy, and raw materials are easy to obtain.
3. The derivative of dioxypyrrolidine acetic acid shown in formula (I) has practicability, has obvious activity of inhibiting plant pathogenic fungi, can be applied to control plant diseases caused by fungi, and has application as a pesticide bactericide.
Detailed Description
The essential features of the invention can be seen from the following examples, which should not be construed as limiting the invention in any way.
Preparation examples
Example 1: the invention relates to a preparation method of a derivative I-a of dioxopyrrolidine acetic acid
Adding a compound II-a (3 mmol), p-chloroaniline III-a (3 mmol), TBTU (3 mmol), triethylamine (3 mmol) and 20mL of dichloromethane into a 50mL single-neck flask, stirring at normal temperature for 10h, separating out a solid, performing suction filtration, and washing with petroleum ether to obtain a yellow powdery solid, namely a derivative I-a of dioxypyrrolidine acetic acid, wherein the reaction equation is as follows:
Figure BSA0000176601510000031
example 2: the invention relates to a preparation method of a derivative I-I of dioxopyrrolidine acetic acid
Adding a compound II-I (3 mmol), 2-chlorophenylhydrazine III-I (3 mmol), TBTU (3 mmol), triethylamine (3 mmol) and 20mL of dichloromethane into a 50mL single-neck flask, stirring at normal temperature for reaction for 10h, separating out a solid, performing suction filtration, and washing with petroleum ether to obtain a white powdery solid, namely a derivative I-I of dioxy pyrrolidine acetic acid, wherein the reaction equation is as follows:
Figure BSA0000176601510000032
the method of example 1 and example 2 is adopted to prepare the compounds I-a to I-l in the derivatives (I) of the dioxypyrrolidine acetic acid:
n- (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-a)
Figure BSA0000176601510000041
Yellow powder; the yield is 53.3%; m.p.:229.6 to 230.9 ℃; IR (KBr): v =3280, 3195, 3116, 1676, 1641, 1605, 1569, 1533, 1491, 1399, 1356, 1312, 1248, 1093, 1012, 950, 901cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.49(s,1H,CH 3 CNHNH),10.17(s,1H,NHC=O),8.49(s,1H,CH 3 CNHNH),7.93(s,1H,CHNH),7.65-7.62(m,2H,ArH),7.38-7.36(m,2H,ArH),7.31-7.29(m,2H,ArH),6.75-6.73(m,2H,ArH),4.06-4.03(m,1H,CH),2.74-2.73(m,1H,CH 2 ),2.46(s,3H,CH 3 ),2.43-2.41(m,1H,CH 2 )ppm;trans-isomer:δ=11.56(s,1H,CH 3 CNHNH),10.17(s,1H,NHC=O),8.53(s,1H,CH 3 CNHNH),7.65-7.62(m,3H,CHNH and ArH),7.38-7.36(m,2H,ArH),7.31-7.29(m,2H,ArH),6.75-6.73(m,2H,ArH),4.12-4.09(m,1H,CH),2.78-2.77(m,1H,CH 2 ),2.49(s,3H,CH 3 ),2.43-2.41(m,1H,CH 2 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.59(s,pyrrolidine-5-C),174.51(s,pyrrolidine-3-C),169.99(s,CONH),169.04(s,=CNH),146.79(s,ArC),138.50(s,ArC),129.55(s,ArC),129.00(s,ArC),127.18(s,ArC),124.29(s,ArC),121.21(s,ArC),114.58(s,ArC),94.17(s,pyrrolidine-4-C),58.45(s,CH),40.04(s,CH 2 ),13.03(s,CH 3 )ppm;trans-isomer:δ=198.41(s,pyrrolidine-5-C),171.37(s,pyrrolidine-3-C),170.32(s,CONH),168.84(s,=CNH),146.79(s,ArC),138.50(s,ArC),129.55(s,ArC),129.00(s,ArC),127.18(s,ArC),124.29(s,ArC),121.21(s,ArC),114.58(s,ArC),95.90(s,pyrrolidine-4-C),56.16(s,CH),40.04(s,CH 2 ),12.32(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 20 H 18 Cl 2 N 4 NaO 3 ([M+Na] + )455.0648,found 455.0642.
N- (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-b)
Figure BSA0000176601510000042
A white powder; the yield is 56.3%; m.p.:223.1 to 224.9 ℃; IR (KBr): v =3649, 3527, 34340, 3285, 3207, 1676, 1646, 1599, 1573, 1532, 1489, 1396, 1307, 1241, 1008, 893cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.48(s,1H,CH 3 CNHNH),10.16(s,1H,NHC=O),8.49(s,1H,CH 3 CNHNH),7.93(s,1H,CHNH),7.60-7.57(m,2H,ArH),7.50-7.48(m,2H,ArH),7.31-7.28(m,2H,ArH),6.75-6.73(m,2H,ArH),4.05-4.02(m,1H,CH),2.74-2.73(m,1H,CH 2 ),2.46(s,3H,CH 3 ),2.43-2.41(m,1H,CH 2 )ppm;trans-isomer:δ=11.56(s,1H,CH 3 CNHNH),10.16(s,1H,NHC=O),8.52(s,1H,CH 3 CNHNH),7.61(s,1H,CHNH),7.60-7.57(m,2H,ArH),7.50-7.48(m,2H,ArH),7.31-7.28(m,2H,ArH),6.75-6.73(m,2H,ArH),4.11-4.08(m,1H,CH),2.77-2.76(m,1H,CH 2 ),2.49(s,3H,CH 3 ),2.43-2.41(m,1H,CH 2 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.59(s,pyrrolidine-5-C),174.51(s,pyrrolidine-3-C),169.99(s,CONH),169.07(s,=CNH),146.67(s,ArC),138.91(s,ArC),131.91(s,ArC),129.56(s,ArC),124.30(s,ArC),121.60(s,ArC),115.20(s,ArC),114.58(s,ArC),94.18(s,pyrrolidine-4-C),58.44(s,CH),39.80(s,CH 2 ),13.04(s,CH 3 )ppm;trans-isomer:δ=198.42(s,pyrrolidine-5-C),171.37(s,pyrrolidine-3-C),170.32(s,CONH),168.89(s,=CNH),146.67(s,ArC),138.91(s,ArC),131.92(s,ArC),129.56(s,ArC),124.30(s,ArC),121.60(s,ArC),115.20(s,ArC),114.58(s,ArC),95.90(s,pyrrolidine-4-C),56.17(s,CH),39.80(s,CH 2 ),12.33(s,CH 3 )ppm;HRMS(ESI + ):m/z calcd for C 20 H 18 BrClN 4 NaO 3 ([M+Na] + )501.0122,found 501.0125.
N- (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-c)
Figure BSA0000176601510000051
A white powder; the yield is 56.3%; m.p.:228.3 to 229.9 ℃; IR (KBr): v =3441, 3324, 3269, 1668, 1635, 1599, 1574, 1531, 1511, 1491, 1357, 1250, 1082, 947, 813cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.50(s,1H,CH 3 CNHNH),10.30(s,1H,NHNHC=O),9.67(s,1H,CH 3 CNHNH),8.27(s,1H,NHNHC=O),7.85(s,1H,CHNH),7.69-7.65(m,1H,ArH),7.36-7.64(m,1H,ArH),7.07-7.05(m,2H,ArH),6.94-6.93(m,1H,ArH),6.68-6.64(m,3H,ArH),4.02-3.95(m,1H,CH),2.78-2.69(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.36-2.31(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.62(s,1H,CH 3 CNHNH),10.30(s,1H,NHNHC=O),9.67(s,1H,CH 3 CNHNH),8.33(s,1H,NHNHC=O),7.53(s,1H,CHNH),7.69-7.65(m,1H,ArH),7.36-7.64(m,1H,ArH),7.07-7.05(m,2H,ArH),6.94-6.93(m,1H,ArH),6.68-6.64(m,3H,ArH),4.11-4.07(m,1H,CH),2.78-2.69(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.36-2.31(m,1H,CH 2 ),2.17(s,3H,ArCH 3 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.45(s,pyrrolidine-5-C),174.82(s,pyrrolidine-3-C),169.83(s,CONH),169.20(s,=CNH),147.38(s,ArC),145.38(s,ArC),138.67(s,ArC),130.17(s,ArC),128.94(s,ArC),127.13(s,ArC),121.28(s,ArC),113.34(s,ArC),93.78(s,pyrrolidine-4-C),58.42(s,CH),36.89(s,CH 2 ),20.64(s,ArCH 3 ),13.10(s,CH 3 )ppm;trans-isomer:δ=198.37(s,pyrrolidine-5-C),171.57(s,pyrrolidine-3-C),170.21(s,CONH),169.02(s,=CNH),147.38(s,ArC),145.28(s,ArC),138.67(s,ArC),129.72(s,ArC),129.52(s,ArC),127.55(s,ArC),121.28(s,ArC),113.09(s,ArC),95.58(s,pyrrolidine-4-C),56.19(s,CH),36.89(s,CH 2 ),20.64(s,ArCH 3 ),12.41(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 21 H 22 ClN 4 O 3 ([M+H] + )413.1375,found 413.1374.
N- (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide (I-d)
Figure BSA0000176601510000052
Yellow powder; the yield is 60.1%; m.p.:229.9-231.9 ℃; IR (KBr): v =3442, 3292, 1677, 1639, 1581, 1532, 1509, 1488, 1396, 1357, 1305, 1246, 1214, 1073, 1008, 951, 901, 812cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.50(s,1H,CH 3 CNHNH),10.47(s,1H,NHC=O),8.40(s,1H,CH 3 CNHNH),7.86(s,1H,CHNH),7.65-7.63(m,2H,ArH),7.49-7.46(m,2H,ArH),7.07-7.05(m,2H,ArH),6.67-6.65(m,2H,ArH),4.04-4.01(m,1H,CH),2.79-2.75(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.34-2.30(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.63(s,1H,CH 3 CNHNH),10.47(s,1H,NHC=O),8.45(s,1H,CH 3 CNHNH),7.53(s,1H,CHNH),7.65-7.63(m,2H,ArH),7.49-7.46(m,2H,ArH),7.07-7.05(m,2H,ArH),6.67-6.65(m,2H,ArH),4.11-4.08(m,1H,CH),2.79-2.75(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.34-2.30(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.44(s,pyrrolidine-5-C),174.80(s,pyrrolidine-3-C),169.84(s,CONH),169.19(s,=CNH),145.35(s,ArC),139.08(s,ArC),131.85(s,ArC),130.17(s,ArC),129.72(s,ArC),121.65(s,ArC),115.11(s,ArC),113.32(s,ArC),93.76(s,pyrrolidine-4-C),58.36(s,CH),45.79(s,CH 2 ),20.64(s,ArCH 3 ),13.09(s,CH 3 )ppm;trans-isomer:δ=198.26(s,pyrrolidine-5-C),171.48(s,pyrrolidine-3-C),170.21(s,CONH),169.01(s,=CNH),145.35(s,ArC),139.08(s,ArC),131.85(s,ArC),130.17(s,ArC),129.72(s,ArC),121.65(s,ArC),115.11(s,ArC),113.32(s,ArC),93.76(s,pyrrolidine-4-C),56.12(s,CH),45.79(s,CH 2 ),20.64(s,ArCH 3 ),12.40(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 21 H 21 BrN 4 NaO 3 ([M+Na] + )479.0689,found 479.0689.
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-e)
Figure BSA0000176601510000061
A white powder; the yield is 48.8%; m.p.:231.9-232.9 ℃; IR (KBr): v =3551, 3477, 3415, 3275, 3035, 1680, 1635, 158, 1521, 1492, 1383, 1357, 1223, 1095, 1036, 1008, 819cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.46(s,1H,CH 3 CNHNH),9.89(s,1H,NHNHC=O),8.48(s,1H,CH 3 CNHNH),7.79(s,1H,CHNH),7.30-7.25(m,4H,NHNHC=O and ArH),7.17-7.13(m,1H,ArH),6.92-6.88(m,1H,ArH),6.77-6.72(m,3H,ArH),4.00-3.97(m,1H,CH),2.66-2.59(m,1H,CH 2 ),2.46(s,3H,CH 3 ),2.40-2.29(m,1H,CH 2 )ppm;trans-isomer:δ=11.56(s,1H,CH 3 CNHNH),9.89(s,1H,NHNHC=O),8.53(s,1H,CH 3 CNHNH),7.48(s,1H,CHNH),7.30-7.25(m,4H,NHNHC=O and ArH),7.17-7.13(m,1H,ArH),6.92-6.88(m,1H,ArH),6.77-6.72(m,3H,ArH),4.06-4.03(m,1H,CH),2.66-2.59(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.40-2.29(m,1H,CH 2 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.38(s,pyrrolidine-5-C),174.43(s,pyrrolidine-3-C),170.02(s,CONH),169.98(s,=CNH),146.80(s,ArC),144.97(s,ArC),129.56(s,ArC),128.24(s,ArC),124.28(s,ArC),119.97(s,ArC),117.50(s,ArC),114.60(s,ArC),113.76(s,ArC),94.12(s,pyrrolidine-4-C),58.43(s,CH),37.02(s,CH 2 ),13.04(s,CH 3 )ppm;trans-isomer:δ=198.21(s,pyrrolidine-5-C),171.25(s,pyrrolidine-3-C),170.36(s,CONH),169.86(s,=CNH),146.80(s,ArC),144.97(s,ArC),129.45(s,ArC),128.24(s,ArC),124.28(s,ArC),119.97(s,ArC),117.50(s,ArC),114.55(s,ArC),113.76(s,ArC),95.85(s,pyrrolidine-4-C),56.19(s,CH),37.02(s,CH 2 ),12.31(s,CH 3 )ppm;HRMS(ESI + ):m/z calcd for C 20 H 20 Cl 2 N 5 O 3 ([M+H] + )448.0938,found 448.0934.
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-f)
Figure BSA0000176601510000062
Yield 70.0%;yellow solid;m.p.:234.2-235.1℃;IR(KBr):v=3551,3475,3414,3283,1678,1635,1580,1516,1401,1359,1251,1224,1172,1096,823cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.45(s,1H,CH 3 CNHNH),9.72(s,1H,NHNHC=O),8.47(s,1H,CH 3 CNHNH),7.85(s,1H,NHNHC=O),7.79(s,1H,CHNH),7.30-7.28(m,2H,ArH),7.23-7.14(m,2H,ArH),6.78-6.72(m,4H,ArH),3.98-3.95(m,1H,CH),2.64-2.57(m,1H,CH 2 ),2.45(s,3H,CH 3 ),2.40-2.33(m,1H,CH 2 )ppm;trans-isomer:δ=11.56(s,1H,CH 3 CNHNH),9.72(s,1H,NHNHC=O),8.53(s,1H,CH 3 CNHNH),7.85(s,1H,NHNHC=O),7.47(s,1H,CHNH),7.30-7.28(m,2H,ArH),7.23-7.14(m,2H,ArH),6.78-6.72(m,4H,ArH),4.05-4.02(m,1H,CH),2.64-2.57(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.40-2.33(m,1H,CH 2 )ppm; 13 C NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=195.59(s,pyrrolidine-5-C),174.55(s,pyrrolidine-3-C),169.91(s,CONH),169.73(s,=CNH),148.60(s,ArC),146.82(s,ArC),129.56(s,ArC),128.86(s,ArC),124.26(s,ArC),122.18(s,ArC),114.58(s,ArC),114.24(s,ArC),94.25(s,pyrrolidine-4-C),58.17(s,CH),36.76(s,CH 2 ),13.01(s,CH 3 )ppm;trans-isomer:δ=198.43(s,pyrrolidine-5-C),171.41(s,pyrrolidine-3-C),170.24(s,CONH),169.60(s,=CNH),148.60(s,ArC),146.82(s,ArC),129.56(s,ArC),128.86(s,ArC),124.26(s,ArC),122.18(s,ArC),114.58(s,ArC),114.24(s,ArC),94.25(s,pyrrolidine-4-C),55.91(s,CH),36.76(s,CH 2 ),12.31(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 20 H 20 Cl 2 N 5 O 3 ([M+H] + )448.0938,found 448.0939.
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide (I-g)
Figure BSA0000176601510000071
Yield 40.4%;yellow solid;m.p.:229.0-231.0℃;IR(KBr):v=3564,3473,3415,3270,3165,1682,1633,1580,1522,1492,1405,1357,1258,1222,1097,996,816cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.46(s,1H,CH 3 CNHNH),9.94(s,1H,NHNHC=O),8.49(s,1H,CH 3 CNHNH),7.85(s,1H,NHNHC=O),7.81(s,1H,CHNH),7.51(s,1H,ArH),7.42(s,1H,ArH),7.30-7.28(m,2H,ArH),7.20-7.18(m,1H,ArH),6.94-6.90(m,1H,ArH),6.75-6.72(m,ArH,2H),4.00-3.97(m,1H,CH),2.63-2.59(m,1H,CH 2 ),2.46(s,3H,CH 3 ),2.41-2.30(m,1H,CH 2 )ppm;trans-isomer:δ=11.56(s,1H,CH 3 CNHNH),9.94(s,1H,NHNHC=O),8.54(s,1H,CH 3 CNHNH),7.85(s,1H,NHNHC=O),7.81(s,1H,CHNH),7.52(s,1H,ArH),7.42(s,1H,ArH),7.30-7.28(m,2H,ArH),7.20-7.18(m,1H,ArH),6.94-6.90(m,1H,ArH),6.75-6.72(m,ArH,2H),4.07-4.04(m,1H,CH),2.63-2.59(m,1H,CH 2 ),2.49(s,3H,CH 3 ),2.41-2.30(m,1H,CH 2 )ppm; 13 C NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=195.38(s pyrrolidine-5-C),174.44(s,pyrrolidine-3-C),170.03(s,CONH),170.01(s,=CNH),146.80(s,ArC),144.21(s,ArC),129.57(s,ArC),128.73(s,ArC),128.14(s,ArC),124.27(s,ArC),122.40(s,ArC),117.89(s,ArC),114.86(s,ArC),114.60(s,ArC),94.10(s,pyrrolidine-4-C),58.37(s,CH),36.99(s,CH 2 ),13.04(s,CH 3 )ppm;trans-isomer:δ=198.19(s,pyrrolidine-5-C),171.26(s,pyrrolidine-3-C),170.36(s,CONH),169.89(s,=CNH),146.80(s,ArC),144.21(s,ArC),129.57(s,ArC),128.73(s,ArC),128.14(s,ArC),124.27(s,ArC),122.40(s,ArC),117.89(s,ArC),114.86(s,ArC),114,53(s,ArC),95.74(s,pyrrolidine-4-C),56.12(s,CH),36.99(s,CH 2 ),12.32(s,CH 3 )ppm;HRMS(ESI + ):m/z calcd for C 20 H 18 Cl 3 N 5 NaO 3 ([M+Na] + )504.0367,found 504.0371.
N' - (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide (I-h)
Figure BSA0000176601510000072
A yellow powder; the yield is 75.4%; m.p.:231.1-230.0 ℃; IR (KBr): v =3282, 3184, 1686, 1623, 1606, 1573, 1515, 1486, 1384, 1358, 1223, 1100, 1005, 820cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.45(s,1H,CH 3 CNHNH),9.73(s,1H,NHNHC=O),8.47(s,1H,CH 3 CNHNH),7.88(s,1H,NHNHC=O),7.80(s,1H,CHNH),7.30-7.26(m,4H,ArH),6.74-6.71(m,4H,ArH),3.98-3.95(m,1H,CH),2.58-2.57(m,1H,CH 2 ),2.45(s,3H,CH 3 ),2.40-2.33(m,1H,CH 2 )ppm;trans-isomer.:δ=11.55(s,1H,CH 3 CNHNH),9.73(s,1H,NHNHC=O),8.58(s,1H,CH 3 CNHNH),7.88(s,1H,NHNHC=O),7.48(s,1H,CHNH),7.30-7.26(m,4H,ArH),6.74-6.71(m,4H,ArH),4.05-4.03(m,1H,CH),2.62-2.61(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.40-2.33(m,1H,CH 2 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.88(s,pyrrolidine-5-C),174.56(s,pyrrolidine-3-C),169.93(s,CONH),169.77(s,=CNH),148.99(s,ArC),146.81(s,ArC),131.69(s,ArC),129.55(s,ArC),124.29(s,ArC),114.77(s,ArC),114.57(s,ArC),109.73(s,ArC),94.27(s,pyrrolidine-4-C),58.18(s,CH),36.77(s,CH 2 ),13.03(s,CH 3 )ppm;trans-isomer:δ=195.58(s,pyrrolidine-5-C),171.42(s,pyrrolidine-3-C),170.27(s,CONH),169.61(s,=CNH),148.99(s,ArC),146.81(s,ArC),131.69(s,ArC),129.55(s,ArC),124.29(s,ArC),114.77(s,ArC),114.57(s,ArC),109.73(s,ArC),95.99(s,pyrrolidine-4-C),55.91(s,CH),36.77(s,CH 2 ),12.31(s,CH 3 )ppm;HRMS(ESI + ):m/z calcd for C 20 H 19 BrClN 5 NaO 3 ([M+Na] + )516.0231,found 516.0231.
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-I)
Figure BSA0000176601510000081
White powder; the yield is 65.3%; m.p.:231.1-230.0 ℃; IR (KBr): v =3392, 3320, 3273, 1679, 1641, 1612, 1576, 1500, 1406, 1387, 1253, 1229, 1036, 966, 815cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.48(s,1H,CH 3 CNHNH),9.93(s,1H,NHNHC=O),8.25(s,1H,CH 3 CNHNH),7.74(s,1H,CHNH),7.31-7.25(m,2H,NHNHC=O and ArH),7.17-7.12(m,1H,ArH),7.07-7.03(m,2H,ArH),6.95-6.87(m,1H,ArH),6.78-6.73(m,1H,ArH),6.68-6.62(m,2H,ArH),3.99-3.96(m,1H,CH),2.66-2.59(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.37-2.29(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.63(s,1H,CH 3 CNHNH),9.93(s,1H,NHNHC=O),8.32(s,1H,CH 3 CNHNH),7.42(s,1H,CHNH),7.31-7.25(m,2H,NHNHC=O and ArH),7.17-7.12(m,1H,ArH),7.07-7.03(m,2H,ArH),6.95-6.87(m,1H,ArH),6.78-6.73(m,1H,ArH),6.68-6.62(m,2H,ArH),4.06-4.03(m,1H,CH),2.66-2.59(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.37-2.29(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.21(s,pyrrolidine-5-C),174.72(s,pyrrolidine-3-C),170.11(s,CONH),169.90(s,=CNH),145.36(s,ArC),144.97(s,ArC),145.02(s,ArC),130.17(s,ArC),129.72(s,ArC),129.43(s,ArC),128.25(s,ArC),120.00(s,ArC),113.88(s,ArC),113.29(s,ArC),93.68(s,pyrrolidine-4-C),58.42(s,CH),37.08(s,CH 2 ),20.65(s,ArCH 3 ),13.13(s,CH 3 )ppm;trans-isomer:δ=198.13(s,pyrrolidine-5-C),171.44(s,pyrrolidine-3-C),170.25(s,CONH),169.96(s,=CNH),145.23(s,ArC),145.02(s,ArC),130.17(s,ArC),129.77(s,ArC),129.51(s,ArC),128.25(s,ArC),120.00(s,ArC),117.57(s,ArC),113.35(s,ArC),113.07(s,ArC),95.48(s,pyrrolidine-4-C),56.19(s,CH),37.08(s,CH 2 ),20.65(s,ArCH 3 ),12.42(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 21 H 23 ClN 5 O 3 ([M+H] + )428.1484,found 428.1482.
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide (I-j)
Figure BSA0000176601510000082
White powder; the yield is 80.3%; n.p.:231.1-230.0 ℃; IR (KBr): v =3444, 3340, 3289, 3024, 1678, 1632, 1583, 1513, 1492, 1404, 1385, 1359, 1253, 1225, 1116, 1093, 943, 904, 812cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.48(s,1H,CH 3 CNHNH),9.75(s,1H,NHNHC=O),8.25(s,1H,CH 3 CNHNH),7.73(s,1H,NHNHC=O),7.43(s,1H,CHNH),7.23-6.93(m,4H,ArH),6.78-6.63(m,4H,ArH),3.97-3.94(m,1H,CH),2.64-2.58(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.39-2.33(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.63(s,1H,CH 3 CNHNH),9.66(s,1H,NHNHC=O),8.32(s,1H,CH 3 CNHNH),7.69(s,1H,NHNHC=O),7.40(s,1H,CHNH),7.23-6.93(m,4H,ArH),6.78-6.63(m,4H,ArH),4.04-4.01(m,1H,CH),2.64-2.58(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.39-2.33(m,1H,CH 2 ),2.17(s,3H,ArCH 3 )ppm; 13 C NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=195.40(s,pyrrolidine-5-C),174.82(s,pyrrolidine-3-C),169.85(s,CONH),169.81(s,=CNH),148.65(s,ArC),145.38(s,ArC),130.18(s,ArC),128.84(s,ArC),122.16(s,ArC),114.29(s,ArC),113.33(s,ArC),113.06(s,ArC),93.81(s,pyrrolidine-4-C),58.16(s,CH),36.85(s,CH 2 ),20.64(s,ArCH 3 ),13.08(s,CH 3 )ppm;trans-isomer:δ=198.34(s,pyrrolidine-5-C),171.55(s,pyrrolidine-3-C),170.15(s,CONH),169.76(s,=CNH),147.38(s,ArC),145.26(s,ArC),129.72(s,ArC),129.51(s,ArC),127.52(s,ArC),114.29(s,ArC),113.33(s,ArC),113.06(s,ArC),95.61(s,pyrrolidine-4-C),55.95(s,CH),20.64(s,ArCH 3 ),36.85(s,CH 2 ),12.38(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 21 H 22 ClN 5 NaO 3 ([M+Na] + )450.1303,found 450.1303.
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide (I-k)
Figure BSA0000176601510000091
A white powder; the yield is 66.9%; m.p.:231.1-230.0 ℃; IR (KBr): v =3390, 3317, 3275, 1682, 1640, 1613, 1580, 1498, 1407, 1390, 1356, 1253, 1228, 1105, 1047, 982, 939, 814cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.48(s,1H,CH 3 CNHNH),10.03(s,1H,NHNHC=O),8.35(s,1H,CH 3 CNHNH),7.75(s,1H,CHNH),7.48-7.41(m,2H,NHNHC=O and ArH),7.20-7.16(m,1H,ArH),7.07-7.05(m,2H,ArH),6.94-6.91(m,1H,ArH),6.67-6.64(m,2H,ArH),3.99-3.96(m,1H,CH),2.66-2.60(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.39-2.41(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.64(s,1H,CH 3 CNHNH),10.03(s,1H,NHNHC=O),8.44(s,1H,CH 3 CNHNH),7.45(s,1H,CHNH),7.48-7.41(m,2H,NHNHC=O and ArH),7.20-7.16(m,1H,ArH),7.07-7.05(m,2H,ArH),6.94-6.91(m,1H,ArH),6.67-6.64(m,2H,ArH),4.06-4.03(m,1H,CH),2.66-2.60(m,1H,CH 2 ),2.48(s,3H,CH 3 ),2.39-2.41(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm; 13 C NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=195.20(s pyrrolidine-5-C),174.74(s,pyrrolidine-3-C),170.18(s,CONH),169.93(s,=CNH),145.34(s,ArC),144.34(s,ArC),130.16(s,ArC),129.72(s,ArC),128.69(s,ArC),128.14(s,ArC),122.47(s,ArC),117.98(s,ArC),114.97(s,ArC),113.34(s,ArC),93.68(s,pyrrolidine-4-C),58.37(s,CH),37.05(s,CH 2 ),20.64(s,ArCH 3 ),13.13(s,CH 3 )ppm;trans-isomer:δ=198.10(s,pyrrolidine-5-C),171.49(s,pyrrolidine-3-C),170.26(s,CONH),170.02(s,=CNH),144.97(s,ArC),144.34(s,ArC),130.16(s,ArC),129.78(s,ArC),128.69(s,ArC),128.14(s,ArC),122.47(s,ArC),117.98(s,ArC),114.97(s,ArC),113.29(s,ArC),95.47(s,pyrrolidine-4-C),56.15(s,CH),37.05(s,CH 2 ),20.64(s,ArCH 3 ),12.42(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcdfor C 21 H 21 Cl2N 5 NaO 3 ([M+Na] + )484.0914,found 484.0912.
N' - (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide (I-l)
Figure BSA0000176601510000092
A white powder; the yield is 66.9%; m.p.:231.1-230.0 ℃; IR (KBr): v =3442, 3336, 3293, 1678, 1632, 1583, 1512, 1468, 1404, 1384, 1359, 1224, 1171, 997, 815cm -11 H NMR(400MHz,DMSO-d 6 ):cis-isomer:δ=11.47(s,1H,CH 3 CNHNH),9.75(s,1H,NHNHC=O),8.23(s,1H,CH 3 CNHNH),7.86(s,1H,NHNHC=O),7.73(s,1H,CHNH),7.27-7.24(m,2H,ArH),7.07-7.05(m,2H,ArH),6.73-6.63(m,4H,ArH),3.97-3.94(m,1H,CH),2.63-2.57(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.39-2.32(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm;trans-isomer:δ=11.63(s,1H,CH 3 CNHNH),9.75(s,1H,NHNHC=O),8.31(s,1H,CH 3 CNHNH),7.86(s,1H,NHNHC=O),7.39(s,1H,CHNH),7.27-7.24(m,2H,ArH),7.07-7.05(m,2H,ArH),6.73-6.63(m,4H,ArH),4.04-4.01(m,1H,CH),2.63-2.57(m,1H,CH 2 ),2.47(s,3H,CH 3 ),2.39-2.32(m,1H,CH 2 ),2.21(s,3H,ArCH 3 )ppm; 13 C NMR(100MHz,DMSO-d 6 ):cis-isomer:δ=195.39(s,pyrrolidine-5-C),174.83(s,pyrrolidine-3-C),169.87(s,CONH),169.81(s,=CNH),149.04(s,ArC),145.38(s,ArC),131.67(s,ArC),130.17(s,ArC),129.70(s,ArC),114.82(s,ArC),113.32(s,ArC),109.65(s,ArC),93.79(s,pyrrolidine-4-C),58.16(s,CH),36.83(s,CH 2 ),20.65(s,ArCH 3 ),13.10(s,CH 3 )ppm;trans-isomer:δ=198.31(s,pyrrolidine-5-C),171.58(s,pyrrolidine-3-C),170.12(s,CONH),169.71(s,=CNH),149.04(s,ArC),145.24(s,ArC),131.67(s,ArC),130.17(s,ArC),129.70(s,ArC),114.82(s,ArC),113.32(s,ArC),109.65(s,ArC),95.59(s,pyrrolidine-4-C),55.94(s,CH),36.83(s,CH 2 ),20.65(s,ArCH 3 ),12.40(s,CH 3 )ppm;HR-MS(ESI + ):m/z calcd for C 21 H 22 BrN 5 NaO 3 ([M+Na] + )494.0798,found 494.0798.
Examples of the use
Example 3: the derivative (I) of the dioxopyrrolidine acetic acid has bactericidal activity on plant pathogenic fungi Measurement of
The bactericidal activity of compounds I-a-I-l in a derivative (I) of dioxopyrrolidine acetic acid on 3 test plant pathogenic bacteria of Rhizoctonia solani (Rhizoctonia solani), fusarium graminearum (Fusarium graminearum) and Botrytis cinerea (Botrytis cinerea) at a concentration of 10 mu g/mL is measured by a hyphal growth rate method.
The determination method comprises the following steps: dissolving 9mg of a compound to be tested (comprising control medicaments of hymexazol, carbendazim and boscalid) in 0.4mL of DMSO, sucking 0.1mL of solution from the DMSO, adding 0.4mL of DMSO, mixing uniformly, sucking 0.1mL of solution from the DMSO, adding the solution into 44.9mL of sterilized potato glucose agar culture medium (PDA culture medium), fully shaking uniformly to prepare a drug-containing culture medium with the concentration of 10 mu g/mL, and pouring the drug-containing culture medium into 3 sterile culture dishes with the diameter of 9cm on average. The culture medium prepared by adding equal amount of solvent is used as blank control. Meanwhile, a culture medium which is prepared by adding the bactericides hymexazol, carbendazim and boscalid and has the concentration of 10 mu g/mL is used as a medicament control. Punching the normal colony with a puncher (inner diameter of 0.5 cm) to obtain bacterial cake, inoculating the bacterial cake into the center of the culture medium plate with an inoculating needle, and culturing in a biochemical incubator at 25 deg.C. The diameter of the colonies on the blank control medium was measured when the diameter was as long as 2/3 of the plate, and the diameter of each colony was measured 2 times by the cross method, and the average value (unit: cm) thereof was calculated. Three replicates were set for each concentration treatment and each control. And (3) calculating the growth inhibition rate after medicament treatment, wherein the calculation formula is as follows:
the calculation method comprises the following steps: inhibition (%) = (solvent control colony diameter-treated colony diameter) ÷ (solvent control colony diameter-0.5) × 100%.
And (3) measuring results: the results of the growth inhibition rate measurement of 3 test phytopathogens by a derivative (I) of dioxopyrrolidine acetic acid are shown in Table 1.
Table 1 shows that a derivative (I) of dioxopyrrolidine acetic acid has significant bactericidal activity against 3 test phytopathogens. Wherein, the growth inhibition rates of the compounds I-a to I-l to Rhizoctonia solani are 54.75 to 92.58 percent which are all higher than 7.80 percent of that of a contrast medicament hymexazol, and the inhibition rates of the compounds I-e, I-f, I-g, I-I and I-k reach 87.33 to 92.58 percent which are higher than 82.51 percent of that of the contrast medicament boscalid. The growth inhibition rates of the compounds I-a to I-l on the wheat scab germ are 19.85 to 89.70 percent and are all higher than 12.18 percent of the control medicament hymexazol, the inhibition rates of the compounds except the compounds I-g and I-k are all higher than 38.02 percent of the control medicament boscalid, and the inhibition rates of the compounds I-f and I-h are more than 80 percent. The growth inhibition rates of the compounds I-a to I-l on the botrytis cinerea are 41.58-66.00 percent, which are higher than 39.53 percent of the contrast medicament hymexazol and 28.91 percent of the carbendazim, and the inhibition rates of the compounds I-e, I-f, I-g and I-h reach more than 60 percent.
TABLE 1 inhibition rate (%, 10. Mu.g/mL) of dioxopyrrolidine acetic acid derivative (I) against 3 plant pathogenic bacteria
Figure BSA0000176601510000101
Figure BSA0000176601510000111

Claims (9)

1. A derivative of dioxy pyrrolidine acetic acid with a structure shown in formula (I),
Figure FSB0000200948020000011
wherein,
Y (m) wherein m =1-5 substitution, Y (m) Selected from the following 1-5 groups: x, R, wherein X represents halogen; r represents hydrogen, C unsubstituted or substituted by 1 to 6 halogens 1-6 An alkyl group;
Z (n) wherein n =1-5 substitution, Z (n) Selected from the following 1-5 groups: x, R, wherein X represents halogen; r represents hydrogen, C unsubstituted or substituted by 1 to 6 halogens 1-6 An alkyl group;
k is selected from 0 and 1.
2. A dioxolane acetic acid derivative according to claim 1, wherein said dioxolane acetic acid derivative is selected from the group consisting of:
Y (m) wherein m =1-2 substitution, Y (m) 1-2 groups selected from: x, R, wherein X represents halogen; r represents C 1-3 An alkyl group;
Z (n) wherein n =1-2 substitution, Z (n) Selected from 1-2 halogens;
k is selected from 0 and 1.
3. A derivative of dioxopyrrolidine acetic acid according to claim 2, wherein:
Y (m) wherein m =1 substitution, Y (m) Selected from the following 1 group: 4-X, 4-CH 3 Wherein X represents F, cl, br;
Z (n) wherein n =1-2 substitution, Z (n) Selected from 1-2F, cl, br;
k is selected from 0 and 1.
4. A dioxolane acetic acid derivative according to claim 3, wherein said dioxolane acetic acid derivative is selected from the group consisting of:
Y (m) selected from 4-Cl, 4-CH 3
Z (n) Selected from 2-Cl, 4-Cl, 2,4- (Cl) 2 、4-Br;
k is selected from 0 and 1.
5. A derivative of dioxopyrrolidine acetic acid according to claim 4, which is one of the following compounds:
n- (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide,
N- (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide,
N- (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide,
N- (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetamide,
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide,
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide,
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide,
N' - (4-bromophenyl) -2- (4- (1- (2- (4-chlorophenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide,
N' - (2-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide,
N' - (4-chlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide,
N' - (2, 4-dichlorophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acethydrazide,
N' - (4-bromophenyl) -2- (4- (1- (2- (4-methylphenyl) hydrazino) ethylidene) -3, 5-dioxopyrrolidin-2-yl) acetohydrazide.
6. A process for producing a derivative of dioxopyrrolidine acetic acid according to any one of claims 1 to 5, which comprises the step of preparing a compound represented by the general formula (A):
Figure FSB0000200948020000021
wherein in each of the above structural formulae:
Y (m) 、Z (n) k have the meaning stated in any one of claims 1 to 5.
7. Use of a derivative of dioxopyrrolidine acetic acid according to any one of claims 1 to 5 for controlling fungal diseases of plants.
8. Use according to claim 7, characterized in that a derivative of dioxopyrrolidine acetic acid according to any one of claims 1 to 5 is used for inhibiting Rhizoctonia solani, fusarium graminearum, botrytis fragilis.
9. The use of the derivatives of dioxopyrrolidine acetic acid according to claim 7 for preventing and treating rice sheath blight disease, wheat head blight, and strawberry gray mold.
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