公开(公告)号：US20190263752A1

公开(公告)日：2019-08-29

申请号：US16319304

申请日：2017-07-20

Applicant: SYNGENTA PARTICIPATIONS AG

Inventor： Martin ZELLER ,  Nicolas FEDOU

IPC: C07C255/35 ,  C07C255/33 ,  C07C51/08 ,  C07C53/134

Abstract: 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.

公开(公告)号：US20210284602A1

公开(公告)日：2021-09-16

申请号：US17337615

申请日：2021-06-03

Applicant: SYNGENTA PARTICIPATIONS AG

Inventor： Martin ZELLER ,  Nicolas FEDOU

IPC: C07C255/35 ,  C07C51/08 ,  C07C53/134 ,  C07C255/33 ,  C07C253/30

Abstract: 2-(4-chloro-2,6-dimethyl-phenyl)propanedinitrile.