Mitsui Chemicals Agro, Inc.

Mitsui Chemicals Crop & Life Solutions, Inc.

Mitsui Chemicals Argro, Inc.

Hideki Umetani

Ryohei Naito

Takeshi Fukumoto

Hideaki Ikishima

Akihiro Nishida

Satoshi Yutani

Toshiaki Ohara

Tomomi Shirakawa

Nobuhiro Kondo

Akane Sakurada

Fumie Kajino

Masanori Yanagi

Yoji Aoki

Toshiyuki Kouno

Kazuki Kitajima

Takeshi Kakimoto

Munetsugu Morimoto

Hikaru Koishihara

Shun Okaya

Mai Hirose

Hisaki Yamanaka

Miyuki Kawashima

Koya Saito

Kouji Takagi

Koji Masutomi

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.

Compounds having a nitrogen-containing unsaturated six-membered ring and agricultural and horticultural fungicides containing the same as active ingredients

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. 

Parasitic pest control agents comprising pyridone compounds as active ingredients and methods for using the same

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.

Pyridone compounds and agricultural and horticultural fungicides containing the same as active ingredients

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.

Pyridone compounds and agricultural and horticultural fungicides comprising the same as active ingredients

Provided are a pyridone compound represented by Formula (1): wherein

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.

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

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. 

Pyridone compounds and agricultural and horticultural fungicides containing said compounds as active ingredient

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.

Method for producing 3,4-dihydroisoquinoline derivatives and production intermediates of same

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.

Method for producing 4, 4-difluoro-3,4-dihydroisoquinoline derivatives

A halogenating agent is added to a mixture including a base, a fluoroalkylcarboxylic acid derivative and an acrylate derivative to produce a fluoroaclyacetic acid derivative represented by the following Formula (3):  wherein Rf represents a fluorine containing alkyl group, R1 and R2 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group or an acyl group, or together represent an atomic group that forms a 5- or 6-membered ring containing a nitrogen atom to which R1 and R2 are bonded; R3 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, or an arylalkyl group; and R4 represents an alkyl group, a cycloalkyl group, an aryl group, or an aryl alkyl group.

Method for producing fluorine-containing acylacetic acid derivative, method for producing fluorine-containing pyrazolecarboxylic acid ester derivative, and method for producing fluorine-containing pyrazolecarboxylic acid derivative

The present invention provides a fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same, and a fluorine-containing pyrazolecarboxylic acid derivative obtained by using the fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same. A fluorine-containing acyacrylonitrile derivative prepared from a fluoroacyl derivative and an aminoacrylonitrile derivative, is reacted with a hydrazine derivative to produce a fluorine-containing pyrazolecarbonitrile derivative represented by Formula (1).  In Formula (1), Rf represents an alkyl group having 1 to 6 carbon atoms and substituted with at least one fluorine atom; R1 represents an alkyl group having 1 to 6 carbon atoms and R2 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or the like. The fluorine-containing pyrazolecarbonitrile derivative represented by Formula (1) is reacted with water to produce a fluorine-containing pyrazolecarboxylic acid derivative.

Fluorine-containing pyrazolecarbonitrile derivative and method for producing the same, and fluorine-containing pyrazolecarboxylic acid derivative obtained by using the fluorine-containing pyrazolecarbonitrile derivative and method for producing the same

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Ritto, Japan

Hideki Umetani