Abstract: Disclosed is a substituted pyrimidine compound having a structure as represented by formula PY. See the description for the definition of each substituent in the formula. The compound of the present invention provides broad-spectrum bactericidal, pesticidal, and acaricidal activities, provides great control effects against plant diseases such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, and cucumber gray mold, specifically provides improved control effects against cucumber downy mildew, corn rust, wheat powdery mildew, and rice blast, provides great control effects against aphid, carmine spider mite, diamondback moth, and armyworm, and acquires great effects at a minimal dosage. The compound of the present invention also provides characteristics such as a simplified preparation method.

Abstract: Disclosed are pyrazolyl pyrimidinamine compounds with structures as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a broad spectrum of bactericidal, insecticidal and acaricidal activity, and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, anthracnosis of cucumber and the like, and especially have better control effect on downy mildew of cucumber, powdery mildew of wheat and anthracnosis of cucumber. The compounds of present invention also show good insecticidal activity, part of the compounds, at very low doses, have excellent control effect on diseases caused by Plutella xylostella, armyworm, Myzus persicae, Tetranychus cinnabarinus etc.

Abstract: Disclosed are pyrazolyl pyrimidinamine compounds with structures as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a broad spectrum of bactericidal, insecticidal and acaricidal activity, and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, anthracnosis of cucumber and the like, and especially have better control effect on downy mildew of cucumber, powdery mildew of wheat and anthracnosis of cucumber. The compounds of present invention also show good insecticidal activity, part of the compounds, at very low doses, have excellent control effect on diseases caused by Plutella xylostella, armyworm, Myzus persicae, Tetranychus cinnabarinus etc.

Abstract: The invention discloses a homopiperony lamine compound which has a structural general formula I as follows as shown in the specification: wherein definitions of substituents in the formula are as shown in the specification. The compound shown as the general formula I has broad-spectrum bactericidal and insecticidal activity in the field of agriculture. The compound shown as the general formula I has a good prevention effect on various germs such as cucumber downy mildew, wheat powdery mildew, puccinia sorghi, rice blast and cucumber gray mold, and particularly, still has the good prevention and control effect on the cucumber downy mildew, the puccinia sorghi and the wheat powdery mildew at a lower dosage. At the same time, a part of compound has better insecticidal activity, and can be used for preventing and controlling various insect pests such as diamondback moths, myzus persicae, armyworms and tetranychus cinabarinus boisdu.

Abstract: Disclosed is a substituted pyrimidine compound having a structure as represented by formula PY. See the description for the definition of each substituent in the formula. The compound of the present invention provides broad-spectrum bactericidal, pesticidal, and acaricidal activities, provides great control effects against plant diseases such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, and cucumber gray mold, specifically provides improved control effects against cucumber downy mildew, corn rust, wheat powdery mildew, and rice blast, provides great control effects against aphid, carmine spider mite, diamondback moth, and armyworm, and acquires great effects at a minimal dosage. The compound of the present invention also provides characteristics such as a simplified preparation method.

Abstract: The invention discloses a homopiperony lamine compound which has a structural general formula I as follows as shown in the specification: wherein definitions of substituents in the formula are as shown in the specification. The compound shown as the general formula I has broad-spectrum bactericidal and insecticidal activity in the field of agriculture. The compound shown as the general formula I has a good prevention effect on various germs such as cucumber downy mildew, wheat powdery mildew, puccinia sorghi, rice blast and cucumber gray mold, and particularly, still has the good prevention and control effect on the cucumber downy mildew, the puccinia sorghi and the wheat powdery mildew at a lower dosage. At the same time, a part of compound has better insecticidal activity, and can be used for preventing and controlling various insect pests such as diamondback moths, myzus persicae, armyworms and tetranychus cinabarinus boisdu.

Abstract: Disclosed is a pyrazole amide compound having fungicidal activity, with a structure shown by the general formula (I): Each of the substituents of the compound being defined as in the description. The compound of the present invention has fungicidal activity, and excellent prevention and controlling effects on diseases, such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, etc., and in particular, a better prevention and controlling effect on cucumber downy mildew and corn rust. Also disclosed is a process for preparing the compound, a fungicidal composition containing the compound of general formula (I) and the use thereof in preventing and controlling disease in crops.

Abstract: Disclosed is a pyrazole amide compound having fungicidal activity, with a structure shown by the general formula (I): Each of the substituents of the compound being defined as in the description. The compound of the present invention has fungicidal activity, and excellent prevention and controlling effects on diseases, such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, etc., and in particular, a better prevention and controlling effect on cucumber downy mildew and corn rust. Also disclosed is a process for preparing the compound, a fungicidal composition containing the compound of general formula (I) and the use thereof in preventing and controlling disease in crops.

Abstract: A kind of pyrazolyl acrylniitrile compounds represented by the structures of formula I or stereoisomers thereof are disclosed in the present invention. Where in: R1 is selected from the group of substituents consisting of H, C1-C4 alkoxy C1-C2 alkyl, C3-C5 alkenyloxy C1-C2 alkyl, C3-C5 alknyloxy C1-C2 alkyl, C1-C4 alkylthio C1-C2 alkyl, C1-C5 alkyl carbonyl, C3-C8 cycloalkyl carbonyl, C1-C5 alkoxy carbonyl or C1-C5 alkylthio carbonyl; R2 is Cl or methyl; R3 is H, methyl, CN, NO2 or halogen. Or its stereoisomers. The Formula I compounds have high insecticidal activities or acaricidal activities, so they can be used as insecticide or acaricide.

Abstract: A kind of pyrazolyl acrylniitrile compounds represented by the structures of formula I or stereoisomers thereof are disclosed in the present invention. Where in: R1 is selected from the group of substituents consisting of H, C1-C4 alkoxy C1-C2 alkyl, C3-C5 alkenyloxy C1-C2 alkyl, C3-C5 alknyloxy C1-C2 alkyl, C1-C4 alkylthio C1-C2 alkyl, C1-C5 alkyl carbonyl, C3-C8 cycloalkyl carbonyl, C1-C5 alkoxy carbonyl or C1-C5 alkylthio carbonyl; R2 is Cl or methyl; R3 is H, methyl, CN, NO2 or halogen. Or its stereoisomers. The Formula I compounds have high insecticidal activities or acaricidal activities, so they can be used as insecticide or acaricide.