摘要:
A dithiolphosphoric acid ester of the formula, ##STR1## wherein R is methyl or ethyl group, and when R is methyl group, A is iso-butyl, sec-butyl or tert-butyl group and B is methyl, ethyl or n-propyl group, when R is ethyl group and A is sec-butyl or tert-butyl group, B is methyl group, and when R is ethyl group and A is iso-butyl group, B is methyl, ethyl or n-propyl group, which is useful as a soil pesticidal composition for pests in soil.
摘要:
Pyrimidin-4-yl-phosphorothionates of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.2 alkyl group, R.sub.1 is a C.sub.1 -C.sub.2 alkoxyl or C.sub.1 -C.sub.4 alkylamino group, R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.1 -C.sub.3 alkoxyl or methylmercapto group, and X is an oxygen or sulfur atom; a process for producing pyrimidin-4-yl-phosphorothionates of the formula (I) characterized by condensing a 4-hydroxypyrimidine of the formula (II), ##STR2## wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.1 -C.sub.3 alkoxyl or methylmercapto group, with a halogen compound of the formula, ##STR3## wherein R is a C.sub.1 -C.sub.2 alkyl, R.sub.1 is a C.sub.1 -C.sub.2 alkoxyl or C.sub.1 -C.sub.4 alkylamino group, Y is a halogen atom and X is an oxygen or sulfur atom; an insecticide, acaricide and nematocide characterized by containing pyrimidin-4-yl-phosphorothionates of the formula (I) as an active ingredient; 4-hydroxypyrimidines of the formula (II) wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group; and a process for producing 4-hydroxypyrimidines of the formula (II) wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, characterized by reacting an acetamidine hydrochloride of the formula, ##STR4## wherein R.sub.4 is a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, with a .beta.-ketoester of the formula, ##STR5## wherein R.sub.5 is a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, and R.sub.6 is a C.sub.1 -C.sub.2 alkyl group.
摘要:
Organophosphorus esters of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.2 alkyl group, R.sub.1 is a C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 alkoxy, C.sub.1 -C.sub.4 alkylamino, phenyl or phenoxy group, R.sub.2 and R.sub.3, which may be the same or different, are each a C.sub.1 -C.sub.5 alkyl or methoxy C.sub.2 -C.sub.3 alkyl group and X is an oxygen or sulfur atom, a method for producing organophosphorus esters of the formula (I) characterized by condensation reaction of s-triazines of the formula, ##STR2## wherein M is a potassium or sodium atom and R.sub.2 and R.sub.3 are as defined above, with a halogenated compound of the formula, ##STR3## wherein Y is a halogen atom and R, R.sub.1 and X are as defined above, and an insecticide, acaricide and/or nematocide characterized by containing organophosphorus esters of the formula (I) as an active ingredient.
摘要:
Phosphoro-thioates or dithioates of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.3 alkyl group, R.sub.1 is a C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.4 alkylamino or allylamino group, R.sub.2 is a halogen atom, a C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.3 alkyl group, R.sub.3 is a hydrogen or halogen atom or a C.sub.1 -C.sub.3 alkyl group, R.sub.4 is a C.sub.1 -C.sub.3 alkyl group, and X is an oxygen or sulfur atom, provided that when R.sub.1 is a C.sub.1 -C.sub.4 alkylamino or allylamino group, X is an oxygen atom, a process for producing phosphoro-thioates or dithioates of the formula (I) characterized by condensing a pyrimidine of the formula (II), ##STR2## wherein Y is a halogen atom, and R.sub.2, R.sub.3 and R.sub.4 are as defined above, with a thio- or dithio-phosphate of the formula, ##STR3## wherein M is an alkali metal atom or an ammonium group, and R, R.sub.1 and X are as defined above, an insecticide, acaricide and nematocide characterized by containing phosphoro-thioates or dithioates of the formula (I) as an active ingredient, and pyrimidines, novel intermediate compounds, of the formula (II) wherein R.sub.2 is a C.sub.1 -C.sub.4 alkoxy group or a halogen atom, R.sub.3 is a hydrogen or halogen atom or a C.sub.1 -C.sub.3 alkyl group, and R.sub.4 is a C.sub.2 -C.sub.3 alkyl group.
摘要翻译:式(I)的硫代磷酸酯或二硫代磷酸酯,其中R是C1-C3烷基,R1是C1-C3烷氧基,C1-C4烷基氨基或烯丙基氨基,R2是卤素原子, C1-C4烷氧基或C1-C3烷基,R3是氢或卤素原子或C1-C3烷基,R4是C1-C3烷基,X是氧或硫原子,条件是当R1是 C 1 -C 4烷基氨基或烯丙基氨基,X是氧原子,产生式(I)的硫代磷酸酯或二硫代酸酯的方法,其特征在于将式(II)的嘧啶,其中Y 是卤素原子,R2,R3和R4如上定义,具有下式的硫代或二硫代磷酸酯,其中M是碱金属原子或铵基,R,R 1和X是 如上所述,杀虫剂,杀螨剂和杀线虫剂的特征在于含有式(I)的硫代磷酸酯或二硫代磷酸酯作为活性成分,嘧啶,新型中间体化合物, a(II)其中R2是C1-C4烷氧基或卤素原子,R3是氢或卤素原子或C1-C3烷基,R4是C2-C3烷基。
摘要:
A fungicidal composition which comprises as an active ingredient a fungicidally effective amount of a compound of the formula: ##STR1## wherein X is a hydroxyl group or a hydroxyamino group, or its salt and an inert carrier or diluent.
摘要:
A soil disinfectant composition for preventing and controlling diseases caused by pathogenic fungi living in soil, which comprises an effective amount of at least one of phenylphosphinic acid and its salts as an active ingredient, and at least one inert carrier or diluent.
摘要:
A soil disinfectant composition for preventing and controlling diseases caused by pathogenic fungi living in soil, which comprises an effective amount of at least one of phenylphosphinic acid and its salts as an active ingredient, and at least one inert carrier or diluent.
摘要:
The present invention relates to compounds of the formula: ##STR1## wherein R.sub.1 is lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, unsubstituted aralkyl, lower alkyl or halogen-substituted aralkyl or halogen-substituted alkenyl; R.sub.2 is lower alkyl; Y is hydrogen or methyl and X is lower alkyl; n is an integer of 1 to 5, and a method of producing these compounds. These compounds are eminently suited for killing weeds, injurious insects, nematodes and acaricides.
摘要:
Thio(dithio)-phosphorate of the formula, ##SPC1##Wherein A represents an alkyl having up to 6 carbon atoms; B represents lower alkyl having up to 4 carbon atoms; Y represents halogen, methoxy or ethoxy; X represents oxygen or sulfur; R.sub.1 represents alkyl having up to 6 carbon atoms, phenyl, phenyl substituted by halogen or phenyl substituted by lower alkyl having up to 4 carbon atoms; R.sub.2 represents hydrogen or alkyl having up to 6 carbon atoms; R.sub.3 represents hydrogen or alkyl having up to 6 carbon atoms; and n represents 0, 1 or 2, which is useful as a pesticide.