Abstract:
PROBLEM TO BE SOLVED: To provide 2-phenoxymethylbenzoyl isocyanide and a method for production of the same which is an intermediate for production of E-oxime ether of a phenyl glyoxylic acid ester useful as a plant protective. SOLUTION: This method produces the 2-phenoxymethylbenzoyl isocyanide of formula (VI) by producing a 2-phenoxymethyl benzoic acid of formula (IV) from a phenolic compound of formula (II) and a lactone of formula (II), reacting the product with phosgene or the like to obtain corresponding benzoyl chloride and then subjecting to a cyanization. (X and Y are each a halogen atom, a 1-4C alkyl group or the like, m is an integer of 0 to 4 and n is an integer of 0 to 3).
Abstract:
PROBLEM TO BE SOLVED: To provide a benzhydryl derivative that exhibits high effect in the control of deleterious fungi. SOLUTION: The benzhydryl derivative is represented by formula I (wherein X is O or S; R 1 , R 3 are each a halogen, cyano, nitro, hydroxyl, mercapto, an amino, an alkyl, an alkenyl, an alkynyl, an alkoxy, an alkenyloxy, an alkynyloxy, an alkyklcarbonyloxy, formyloxy or alkylthio or the like; R 2 is a halogen, cyano, nitro, hydroxyl, mercapto, an amino, an alkyl, an alkoxy, a haloalkyl, or a haloalkoxy wherein in the case that n=2, R 2 may differ from each other; R 4 is an alkyl, an alkenyl or an alkynyl; R 5 and R 6 are each hydroxyl, an alkyl, an alkenyl, a haloalkyl, a haloalkenyl, an alkoxy or an alkenyloxy; m is 0, 1 or 2). COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject new compound useful for controlling harmful animals and harmful fungi. SOLUTION: This compound is shown by formula I Y is a halogen, a 1-4C alkyl or the like; (n) is 0-2; E is a group of formula II (V is O or the like); T is O or oxymethylene; Z is a group X [X is a (substituted) heterocyclyl, a (substituted) aryl or the like], N=CWR [W is a (substituted) 1-6C alkyl or the like; R is H, cyano or the like] or the like} such as N-methyl-5-[2-(o-tolyloxymethylene)phenyl]-1,3- oxazolidine-2,4-dione.The compound of formula I, for example, in the case in which it is a compound of formula III, is obtained by a process for acylating an alkyl α- hydroxy-α-phenylacetate with phosgene or the like to give a compound of formula IV and further reacting the compound with a primary amine of the formula H2 N-R αto cause a ring formation and in the case of not advancing the ring formation by the strength of the amine, by a process for hydrolyzing an ester amide of formula V, then treating the resultant substance with an acid and reacting the treated substance with a compound of the formula Z-OH.
Abstract:
PROBLEM TO BE SOLVED: To provide a compound that has increased controlling effect against harmful fungi. SOLUTION: The objective salicylic acid derivative is represented by formula I [wherein X is a halogen, NO2, cyano, an alkyl or an alkoxy; (m) is 0, 1, 2 or 3 where in the case m >=2, X may differ from each other; A is OH, an alkoxy, NH2, NHCH3 or N(CH3)2, R1 is phenyl, naphthyl, cycloalkyl, one to three N-atoms and/or one O or S atom or one or two O and/or S atoms- including 5-membered or 5-membered ring heteroaryl or 5-membered or 6-membered heterocyclyl where the ring structure may be unsubstituted or substituted; and R2 is H, cyano, an alkyl, an alkenyl, an alkynyl, a haloalkyl, an alkoxy or an alkylthio]. This invention further provides a method of producing the derivative, a composition including the derivative and the use of the composition for controlling harmful fungi.
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject new compound being an intermediate useful for producing E-oxime ether of phenylglyoxylic acid ester, comprising a specific ketocarboxylic acid ester-dimethyl ketal. SOLUTION: This compound is shown by formula (X and Y are each a halogen, a 1-4C alkyl or the like; (m) is 0-4; and (n) is 0-3). The compound of formula I is obtained by treating a phenol of formula II with a base in the presence of a diluent into a phenolate, mixing the phenolate with a lactone of formula III, volatilizing the diluent, melting the mixture into a melt at 50-250 deg.C, dissolving the melt in a flow state in water, acidifying the solution to give a 2- phenoxymethylbenzoic acid of formula IV, reacting the compound with phosgene, etc., to give a 2-phenoxymethylbenzoyl chloride of formula V, reacting the compound with an alkali metal cyanide in the presence of prussic acid to give a 2-phenoxymethylbenzoyl cyanide of formula VI and reacting the compound with methanol in the presence of an acid.
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject new compounds useful as intermediate compounds for the production of phenylacetic acid derivatives suitable as bactericides, effective for a wide variety of phytopathogens and usable also as leaf and soil disinfectants. SOLUTION: The objective compound is expressed by the formula R5ON=C (R4)-C(R3)=NOH [R3 is H, cyano, nitro, hydroxy, amino, a halogen, a 1-4C (halo)alkyl or the like; R4 is H, cyano, nitro, hydroxy, amino, a halogen, a 1-6C alkyl or the like; R5 is H, a 1-10C alkyl or the like], e.g. (E,E)-2- methoxyimino-2-[2'-(1"-methyl,1"-acetyl)-iminoxymethyl]phenylacetic acid methyl ester. The objective compound of the formula can be produced by reacting the corresponding hydroxyimine of the formula HON=C(R4)-C(R3)=NOH with a nucleophilically substituted reagent of the formula R5-L2 (L2 is a nucleophilic exchangeable eliminable group such as a halogen or sulfonate).
Abstract:
PROBLEM TO BE SOLVED: To provide a compound effective for controlling hazardous phytopathogenic fungi, to provide a method for producing the compound, to provide a composition containing the compound, and to provide a method for using the composition. SOLUTION: This compound comprises a xanthone derivative expressed by general formula (I) (n is 0, 1 or 2; R 1 is an alkyl or the like; R 2 and R 3 are each an alkoxy or the like, or together form an oxyalkyleneoxy which may be substituted; R 4 is a halogen or the like; R 5 is equal to the R 4 , provided that R 5 s may be different from each other when n is 2; and X and Y are each O or S). The method for producing the compound and the composition containing the compound are provided in the specification, respectively. The composition is used for controlling the hazardous phytopathogenic fungi. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a compound improved in controlling actions on noxious fungi. SOLUTION: This salicylohydrazide derivative is represented by the formula I (wherein, X is a halogen, NO2, cyano, a 1-4C alkyl or a 1-4C alkoxy; (m) is 0, 1, 2 or 3; R1 is NO2, NH2 or NH-CO-A; A is hydrogen, 1-4C alkyl, a 1-4C alkoxy, NH2, NHCH3 or N(CH3)2; R2 is hydrogen, cyano, a 1-6C alkyl, a 2-6C alkeiyl, a 2-6C alkynyl, a 1-6C haloalkyl, a 1-6C alkoxy or a 1-6C alkylthio; and R3 is phenyl, naphthyl, a 3-10C cycloalkyl, a 5- or a 6-membered ring heteroaryl or a 5- or a 6-membered ring heterocyclyl). The method for producing the salicylohydrazide derivative is provided and an intermediate for producing the derivative is obtained. The composition for controlling the noxious fungi comprises the derivative.
Abstract:
PROBLEM TO BE SOLVED: To obtain a new compound having an excellent effect. SOLUTION: This invention relates to a derivative of phenylacetic acid expressed by formula I, and its salt, method of manufacturing of the same, a medicine including the compound to remove a toxic material and a poisonous fungus and its using method.
Abstract:
The invention relates to 5,6-dialkyl-7-amino-triazolopyrimidines of formula (I), in which the substituents are defined as follows: R represents alkyl, alkoxyalkyl, alkenyl or alkynyl; R represents alkyl, alkoxyalkyl, alkenyl or alkynyl, R and/or R being substituted according to the description. The invention also relates to a method for producing said compounds, to agents containing the latter and to their use for controlling plant-pathogenic fungi.