[EN] IMPACT OF TRACE ELEMENTS IN THE GRIGNARD REACTION<br/>[FR] IMPACT D'ÉLÉMENTS TRACE DANS LA RÉACTION DE GRIGNARD
申请人:BASF SE
公开号:WO2020193617A1
公开(公告)日:2020-10-01
The present invention relates to an improved process for preparing 2,4-dichloro-6-(4- methoxyphenyl)-1,3,5-triazine (DICAT) comprising reacting 4-bromoanisole with magnesium, and reacting the resulting Grignard reagent with cyanuric chloride, wherein the magnesium comprises additional metals as impurities in an amount of less than 0.027 % by weight, based on the total weight of the magnesium.
本发明涉及一种改进的制备2,4-二氯-6-(4-甲氧苯基)-1,3,5-三嗪(DICAT)的方法,包括将4-溴苯甲醚与镁反应,然后将得到的格氏试剂与三聚氰氯反应,其中镁中含有少于总重量的0.027%的杂质金属。