摘要:
An ester compound represented by the formula ##STR1## wherein R.sub.1 and R.sub.2 may be the same or different and each represent a C.sub.1 -C.sub.6 alkyl group, or other specified groups, which may be optionally substituted with one or more halogen atoms; and R.sub.3 represents a pyrethroid acid residue (a group resulting from elimination of the carboxyl group from pyrethroid acid), and a pesticidal composition containing the ester compound as an active ingredient.
摘要:
Ester compounds represented by the following formula (I) ##STR1## wherein R is a methyl, ethyl, n-propyl or allyl group, have excellent effects on the control of harmful pests, and they are, therefore, useful as the active ingredients of pesticides.
摘要:
There is disclosed an ester compound of the formula (I), ##STR1## wherein R.sup.1 represents a methyl group or a hydrogen atom, R.sup.2 represents a proparqyl group or an allyl group, and R.sup.3 represents a (C.sub.1 -C.sub.5)alkyl group, a (C.sub.1 -C.sub.5)haloalkyl group or a (C.sub.3 -C.sub.5)cycloalkyl group and R.sup.4 represents a halogen atom or a hydrogen atom, and a pesticide containing the same as an active ingredient.
摘要:
Maleimide pesticides having enhanced efficacy represented by the formula (I), ##STR1## wherein X represents a halogen atom or a hydrogen atom, and R represents an alkyl group a cycloalkyl or haloalkyl group, a pesticidal composition containing the same as an active ingredient, and a process for producing the same.
摘要:
The present invention provides a compound represented by the formula: ##STR1## wherein R.sub.1 denotes a hydrogen atom or a methyl group; R.sub.2 represents a 1-methyl-2-propenyl group, a 1-methyl-2-propynyl group, a 3,3-dihalogeno-1-methyl-2-propenyl group or a C.sub.1 -C.sub.6 alkyl group which may be substituted with at least one halogen atom; and A' represents a hydrogen atom or a protecting group for a hydroxyl group. The compound is useful in the preparation of esters which can be used to control insect pests.
摘要:
There is provided an ester compound represented by the formula I: ##STR1## wherein R.sub.1 is a methyl group or a hydrogen atom; R.sub.2 is a C.sub.1-6 haloalkyl group; and R.sub.3 is a pyrethroid acid residue, an agent for controlling noxious organisms containing the same as active ingredient and an intermediate for producing the same.
摘要:
There is provided an intermediate alcohol ester compound represented by the formula VII: ##STR1## wherein R.sub.1 is a methyl group or a hydrogen atom; R.sub.2 is a C.sub.2-4 alkyl group; substituted with two or more fluorine atoms.
摘要:
A process for the production of a cyclopentenol compound represented by the formula I: ##STR1## wherein R.sub.1 represents a 2-propenyl group or a 2-propynyl group from a cyclopentenolone compound represented by the formula II: ##STR2## by protecting the hydroxyl group of the compound II, reacting the protected compound II with a reagent system obtained from TiCl.sub.4, Zn and CH.sub.2 Br.sub.2 or CH.sub.2 I.sub.2 and removing the protecting group from the resulting reaction product.
摘要翻译:制备由式I表示的环戊烯醇化合物的方法:其中R 1表示由式II表示的环戊烯醇酮化合物的2-丙烯基或2-丙炔基:(II) )保护化合物II的羟基,使保护的化合物II与由TiCl 4,Zn和CH 2 B 2或CH 2 I 2获得的试剂体系反应,并从所得反应产物中除去保护基团。
摘要:
The present invention provides an ester compound represented by a formula I: ##STR1## wherein R.sub.1 denotes a hydrogen atom or a methyl group; R.sub.2 represents a 1-methyl-2-propenyl group, a 1-methyl-2-propynyl group, a 3,3-dihalogeno-1-methyl-2-propenyl group, or a C.sub.1 -C.sub.1 6 alkyl group which may be substituted with at least one halogen atom; and R.sub.3 represents an acid residue of pyrethroids.The invention also relates to an active agent for controlling noxious insect pests containing the ester compound as an active ingredient, an intermediate for production of the ester compound and a process for producing the intermediate. The ester compound represented by the formula I has good activities for controlling noxious insect pests.
摘要:
The present invention aims to provide an arthropod controlling agent which rapidly exerts its efficacy against arthropods such as mosquitoes by simple installation in a place where arthropods inhabit and/or invade at room temperature. The arthropod controlling agent comprises an ester compound represented by the following formula (1): wherein R1 denotes a hydrogen atom or methyl, R2 denotes methyl or CH═CR21R22 wherein R21 and R22 independently denote a hydrogen atom or methyl, and R3 denotes a hydrogen atom, methyl or methoxymethyl, and said ester compound is supported on a polyolefin type resin, wherein the polyolefin type resin contains carboxylic acid ester monomer units in an amount of 1 to 10% by weight based on the entire arthropod controlling agent.