申请人:Shell Internationale Research Maatshappij B.V.
公开号:US04933328A1
公开(公告)日:1990-06-12
The invention provides fungicidal compositions containing phosphonium salts of formula: ##STR1## in which n represents 0, 1, 2 or 3, R represents a halogen atom or an optionally substituted alkyl, haloalkyl, alkoxy or haloalkyl group, R.sup.1, R.sup.2 and R.sup.3 independently represent an optionally substituted alkyl, cycloalkyl, phenyl or benzyl group and X represents an anion; certain novel phosphonium salts, a process for the preparation of such compounds and a method of combating plant pathogenic fungi using such compositions or compounds.
本发明提供了含有式为:##STR1##的膜菌剂组合物,其中n代表0、1、2或3,R代表卤素原子或可选取代的烷基、卤代烷基、烷氧基或卤代烷氧基,R.sup.1、R.sup.2和R.sup.3独立地代表可选取代的烷基、环烷基、苯基或苄基,X代表阴离子;本发明还提供了某些新型的膜菌剂磷酸铵盐、制备这些化合物的方法以及使用这些组合物或化合物来对抗植物病原真菌的方法。