Abstract: A compound of formula (1) or a salt thereof, which is effective as a parasitic pest control agent, is provided. In the formula, R1 represents, for example an optionally substituted C1-C6 alkyl group, a C1-C6 haloalkyl group, R2 represents, for example a halogen atom, an optionally substituted C1-C6 alkyl group, an optionally substituted C1-C6 alkoxy group, R3 represents, for example a hydrogen atom, a halogen atom, an optionally substituted C1-C6 alkyl group, n represents an integer of 0 to 5, X represents an oxygen atom or sulfur atom, Y represents, for example phenyl substituted at an ortho position, pyridyl, and the bond with a broken line represents a double bond or a single bond.

Abstract: Pyridine compounds of Formula (1) are provided: wherein R1, R2, X, Y and Het are defined. The pyridine compounds can be used to treat or prevent plant diseases.

Abstract: Pyridone compounds of formula (1) and salts thereof: wherein R1, R2, R3, X, Y1, Y2, Y3 and n are defined. The pyridone compounds can control plant diseases.

Abstract: Provided are a pyridone compound represented by Formula (1): wherein R1 represents a C1-C6 alkyl group which may be substituted, etc., R2 represents a halogen atom, a cyano group, etc., R3 and R4 are independent to each other, and each represents a hydrogen atom, a C1-C6 alkyl group which may be substituted, etc., or in combination with the nitrogen atom to which they are bonded form a pyrrolidinyl group, a piperidinyl group, etc., which may be substituted, Y represents a phenyl group which may be substituted, etc., X represents an oxygen atom or a sulfur atom, and an agricultural and horticultural fungicide containing the same as an active ingredient.

Abstract: An object of the present invention is to provide compounds represented by the formula (1) or salts thereof that are effective as agricultural and horticultural fungicides.

Abstract: An object of the invention is to provide compounds of formula (1) or salts thereof which are effective as agricultural and horticultural fungicides. In the formula, R1 represents, for example, a hydroxy group or a cyano group, R2, R3 and R4 are independent of one another and each represent, for example, a hydrogen atom or a halogen atom, R5 represents, for example, a hydrogen atom or a halogen atom, X represents an oxygen atom or a sulfur atom, Y represents, for example, a phenyl group or a pyridyl group, and the bond including the broken line represents a double bond or a single bond.

Abstract: A pyridone compound represented by Formula (1): wherein R1, R2, X, Y and Z are defined. The pyridone compound can control plant diseases.

Abstract: A compound of formula (1) or a salt thereof, which is effective as a parasitic pest control agent, is provided. In the formula, R1 represents, for example an optionally substituted C1-C6 alkyl group, a C1-C6 haloalkyl group, R2 represents, for example a halogen atom, an optionally substituted C1-C6 alkyl group, an optionally substituted C1-C6 alkoxy group, R3 represents, for example a hydrogen atom, a halogen atom, an optionally substituted C1-C6 alkyl group, n represents an integer of 0 to 5, X represents an oxygen atom or sulfur atom, Y represents, for example phenyl substituted at an ortho position, pyridyl, and the bond with a broken line represents a double bond or a single bond.

Abstract: A pyridone compound represented by Formula (1): wherein R1, R2, X, Y and Z are defined. The pyridone compound can control plant diseases.

Abstract: Provided are a pyridone compound represented by Formula (1): wherein R1 represents a C1-C6 alkyl group which may be substituted, etc., R2 represents a halogen atom, a cyano group, etc., R3 and R4 are independent to each other, and each represents a hydrogen atom, a C1-C6 alkyl group which may be substituted, etc., or in combination with the nitrogen atom to which they are bonded form a pyrrolidinyl group, a piperidinyl group, etc., which may be substituted, Y represents a phenyl group which may be substituted, etc., X represents an oxygen atom or a sulfur atom, and an agricultural and horticultural fungicide containing the same as an active ingredient.

Abstract: Pyridine compounds of Formula (1) are provided: wherein R1, R2, X, Y and Het are defined. The pyridine compounds can be used to treat or prevent plant diseases.

Abstract: Pyridone compounds of formula (1) and salts thereof: wherein R1, R2, R3, X, Y1, Y2, Y3 and n are defined. The pyridone compounds can control plant diseases.

Abstract: An object of the invention is to provide compounds of formula (1) or salts thereof which are effective as agricultural and horticultural fungicides. In the formula, R1 represents, for example, a hydroxy group or a cyano group, R2, R3 and R4 are independent of one another and each represent, for example, a hydrogen atom or a halogen atom, R5 represents, for example, a hydrogen atom or a halogen atom, X represents an oxygen atom or a sulfur atom, Y represents, for example, a phenyl group or a pyridyl group, and the bond including the broken line represents a double bond or a single bond.

Abstract: A compound represented by Formula (1) or a salt thereof is provided. R1 represents a C1-C6 alkyl group optionally substituted, a C1-C6 haloalkyl group or the like, R2 represents a halogen atom, a C1-C6 alkyl group optionally substituted, a C1-C6 alkyloxy group optionally substituted or the like, R3 represents a hydrogen atom, a halgenatom, C1-C6 alkyl group optionally substituted or the like, n represents an integer of 0 to 5, X represents an oxygen atom or a sulfur atom, Y represents a phenyl group or a pyridyl group that is substituted with substituent at an ortho position, and the bond with a broken line indicates a double bond or a single bond.

Abstract: A compound represented by Formula (1) or a salt thereof is provided. R1 represents a C1-C6 alkyl group optionally substituted, a C1-C6 haloalkyl group or the like, R2 represents a halogen atom, a C1-C6 alkyl group optionally substituted, a C1-C6 alkyloxy group optionally substituted or the like, R3 represents a hydrogen atom, a halgenatom, C1-C6 alkyl group optionally substituted or the like, n represents an integer of 0 to 5, X represents an oxygen atom or a sulfur atom, Y represents a phenyl group or a pyridyl group that is substituted with substituent at an ortho position, and the bond with a broken line indicates a double bond or a single bond.

Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.

Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.

Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.

Abstract: Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1): a compound represented by general formula (2): is reacted with hydrogen fluoride.

Abstract: Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1): a compound represented by general formula (2): is reacted with hydrogen fluoride.