| 摘要 |
A process for the preparation of a compound of general formula (I), wherein R<1> is CN or CSNH2; R<2> is hydrogen or chloride; and R<3> is halogen or haloalkyl or haloalkoxy or SF5 which process comprises reacting a compound of formula (II), where R<1>, R<2> and R<3> are as defined above; with a proton source. |
