摘要:
Disclosed are novel oxazolidinedione derivatives expressed by the following formula: ##STR1## (R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being defined in the specification), a method of producing the derivatives and herbicides containing the derivatives as an active ingredient.These novel derivatives exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crops.
摘要:
Disclosed are novel oxazolidinedione derivatives expressed by the following formula: ##STR1## (R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being defined in the specification), a method of producing the derivatives and herbicides containing the derivatives as an active ingredient. Carbonate esters which are intermediates in the method of producing the oxazolidinedione derivatives are also disclosed.These novel derivatives exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crops.
摘要:
Novel hydantoin derivative which is represented by the formula: ##STR1## (wherein X and Y represent a halogen atom, R.sup.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group or an alkynyl group, R.sup.2 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group, and R.sup.3 and R.sup.4 independently represent a hydrogen atom or a lower alkyl group), and a herbicide containing said derivative as effective ingredient.This hydantoin derivative exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crop plants.
摘要:
A benzoxazinone compound represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group, and R.sup.2 represents a hydrogen atom, an alkyl group, a cyanoalkyl group, an alkenyl group, an alkynyl group or an aralkyl group; a process for preparing the same; and a herbicidal composition comprising the benzoxazinone compound as an active component are disclosed. The above benzoxazinone compounds exhibit a high selectivity for useful crop plants and a strong herbicidal activity with respect to various noxious weeds.
摘要:
An oxazolidinedione compound represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 5 carbon atoms, an alkenyl group having 3 to 5 carbon atoms, an alkynyl group having 3 to 5 carbon atoms or an alkoxycarbonyl group having 1 or 2 carbon atoms in the alkyl moiety thereof, R.sup.2 represents an alkyl group having 3 to 5 carbon atoms or a cycloalkyl group having 3 to 5 carbon atoms, and X represents a chlorine atom or a fluorine atom; a process for preparing the same; and a herbicidal composition comprising the oxazolidinedione compound as an active component are disclosed. The above oxazolidinedione compounds exhibit a high selectivity for useful crop plants and a strong herbicidal activity with respect to various noxious weeds.
摘要:
A herbicidal composition comprising at least one oxazolidinedione derivative expressed by the following formula: ##STR1## (wherein R.sup.1, R.sup.2 and R.sup.3 independently denote hydrogen atoms, halogen atoms, nitro groups, alkyl groups, alkoxy groups, alkenyloxy groups, alkynyloxy groups or cycloalkyloxy groups; R.sup.4 and R.sup.5 independently denote hydrogen atoms, alkyl groups or aryl groups or may be combined with each other to form a polymethylene chain; and said alkyl groups, alkoxy groups, alkenyloxy groups, alkynyloxy groups, cycloalkyloxy groups and aryl groups may be substituted); and at least one organic phosphorus herbicide, as active ingredients.
摘要:
A catalyst for isomerization consisting essentially of a salt or complex salt represented by the formula:[ML.sub.m ].sup.n+ [Y].sub.n.sup.- (I)where M is a metal of Group IB, IIA, IIB or VIII of the periodic table, L is a ligand, Y is a conjugated base of a Bronsted acid, m is 0, 1, 2, 3 or 4 and n is 1, 2 or 3.
摘要翻译:用于异构化的催化剂基本上由下式表示的盐或络合盐:[MLm] n + [Y] n-(I)其中M是元素周期表中IB,IIA,IIB或VIII族的金属,L是 配体Y是布朗斯台德酸的共轭碱,m是0,1,2,3或4,n是1,2或3。
摘要:
A display apparatus includes an input section that inputs input information representing an input operation from an operation means contacting a touch screen, a display section that refers to an authentication table correlating the input operation with a display image so as to display the display image on the touch screen, and an authentication processing section that refers to the authentication table so as to determine whether or not a combination of a display image displayed on the touch screen and an input operation represented by the input information input by the input section in a state where the display image is being displayed is correlated in the authentication table, and authenticates an input action by the input operation when the combination is correlated in the authentication table.
摘要:
A display apparatus includes an input section that inputs input information representing an input operation from an operation means contacting a touch screen, a display section that refers to an authentication table correlating the input operation with a display image so as to display the display image on the touch screen, and an authentication processing section that refers to the authentication table so as to determine whether or not a combination of a display image displayed on the touch screen and an input operation represented by the input information input by the input section in a state where the display image is being displayed is correlated in the authentication table, and authenticates an input action by the input operation when the combination is correlated in the authentication table.