[EN] PROCESS FOR THE PREPARATION OF PHENYLMALONIC ACID DINITRILES<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION D'ACIDE PHENYLMALONIC DINITRILES
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2018015489A1
公开(公告)日:2018-01-25
Process for the preparation of a compound of Formula (I), the process comprising the reaction of a compound of Formula (II) with malononitrile in the presence of a base and a palladium catalyst, Formula (II) wherein X, Y and Z, independently of each other, represent fluoro, chloro or C1-4alkyl; and L is a leaving group; with the proviso that 1 or 2 of X and Y are, independently of each other, fluoro or chloro.
制备化合物的过程,该过程包括在碱和钯催化剂的存在下,将具有公式(II)的化合物与马来酰亚胺发生反应,其中公式(II)中的X、Y和Z分别表示氟、氯或C1-4烷基;L为离去基团;但要注意X和Y中的1个或2个分别为氟或氯。