申请人:BASF Aktiengesellschaft
公开号:US05130428A1
公开(公告)日:1992-07-14
6-Trifluoromethyl-1,3,5-triazines I ##STR1## (X=O,S; R.sup.1 =H; R.sup.1, R.sup.2 =carbon organic radicals) are prepared by reacting (a) N-trichloroacetamidinoguanidines II ##STR2## with trifluoroacetic acid derivatives III CF.sub.3 --CO--Y III (Y=Cl, alkoxy, CF.sub.3 --CO--O) to give 4-trichloromethyl-6-trifluoromethyl-1,3,5-triazines IV ##STR3## and (b) reacting the products IV in the presence of a base with alcohols V R.sup.2 --XH V The triazines I are valuable intermediates for crop protection agents.
6-三氟甲基-1,3,5-三嗪I ##STR1## (X=O,S; R.sup.1 =H; R.sup.1, R.sup.2 =有机碳基基团)通过将(a)N-三氯乙酰胺基脲II ##STR2## 与三氟乙酸衍生物III CF.sub.3 --CO--Y III (Y=Cl, 醇基, CF.sub.3 --CO--O)反应制得4-三氯甲基-6-三氟甲基-1,3,5-三嗪IV ##STR3##,然后(b)在碱的存在下将产物IV与醇V R.sup.2 --XH V反应制得三嗪I,这些三嗪I是农药的有价中间体。