Process for Producing 3-(2-Cyano-1-propenyl)-2,2- Dimethylcyclopropanecarboxylic Acid or Salt Thereof
申请人:Uekawa Toru
公开号:US20120016150A1
公开(公告)日:2012-01-19
A process for producing comprising reacting a 3-formyl-2,2-dimethylcyclopropanecarboxylate and propionitrile in the presence of a base to obtain 3-(2-cyano-1-propenyl)-2,2-dimethylcyclopropanecarboxylic acid or its salt.
METHOD FOR PRODUCING CYCLOPROPANECARBOXYLIC ACID ESTER
申请人:Ohshita Jun
公开号:US20120029227A1
公开(公告)日:2012-02-02
A method for producing a cyclopropanecarboxylate represented by formula (III):
wherein, R represents a chain hydrocarbon group having 1 to 10 carbon atoms optionally having at least one member selected from the group consisting of halogen atoms, acyl groups having 2 to 7 carbon atoms optionally having a substituent, alkoxy groups having 1 to 7 carbon atoms optionally having a substituent, alkylthio groups having 1 to 3 carbon atoms and phenyl groups optionally having a substituent, a cyclic hydrocarbon group having 3 to 10 carbon atoms or a hydrogen atom; comprising reacting a cyclopropanecarboxylate represented by formula (I):
wherein, R represents the same meaning as described above; and 2-cyanopropionic acid in the presence of a base.
An ester compound represented by the formula (1):
wherein R represents a C1-C4 alkyl group or a C3-C4 alkenyl group, and A represents a single bond or an oxygen atom, has an excellent pest controlling efficacy, and it is useful as an active ingredient of a pest controlling agent.
PESTICIDAL COMPOSITION AND METHOD FOR CONTROLLING A PEST
申请人:Sumitomo Chemical Company, Limited
公开号:EP2139340B1
公开(公告)日:2013-04-10
METHOD FOR PRODUCING CYCLOPROPANE CARBOXYLIC ACID COMPOUND AND INTERMEDIATE THEREFOR
申请人:Uekawa Toru
公开号:US20100280267A1
公开(公告)日:2010-11-04
A method for producing a cyclopropanecarboxylic acid compound represented by formula (VI)
(wherein R denotes the same as below),
which comprising reacting a compound represented by formula (V)
(wherein R denotes a chain hydrocarbon group having 1 to 10 carbon atoms or the like, and R
1
denotes a chain hydrocarbon group having 1 to 10 carbon atoms optionally substituted with a halogen atom or the like) with an alkali metal borohydride compound in the presence of a solvent.