摘要:
Amidophosphorothiolate compounds, for example N-(O-methyl-S-n-propyldithiolphosphorylacetyl)-tetrahydroquinoline, are provided which have herbicidal activity.
摘要:
Pesticidal compositions containing, as active ingredient, a compound of the formula ##STR1## wherein R.sub.1 is lower alkyl, lower alkenyl, lower alkynyl or a radical of the formula ##STR2## IN WHICH X is lower alkyl, halogen or hydrogen and n is zero or an integer of 1 to 5,R.sub.2 is lower alkyl, lower alkenyl or lower alkynyl,R.sub.3 is a radical of the formula ##STR3## or a radical of the formula ##STR4## and Y is oxygen or sulfur.
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:
Compounds of the formula ##STR1## WHERE R.sub.1 is lower alkenyl, optionally substituted by chlorine or bromine, or R.sub.1 is alkoxyalkyl; R.sub.2 and R.sub.3 are lower alkyl; R.sub.4 is lower alkyl, lower alkoxy or halogen; and n is zero or an integer of 1-5, which are useful as herbicides, insecticides, acaricides and nematocides.
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.
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。