Phosphonium salts of N-phosphonomethylglycine, preparation and compositions thereof and the use thereof as herbicides and plant growth regulants
申请人:STAUFFER CHEMICAL COMPANY
公开号:EP0073574A1
公开(公告)日:1983-03-09
A compound characterised in that it consists essentially of a phosphonium cation and a glycylmethyl phosphonate anion is disclosed.
More particularly, such compounds correspond to the following general formula (I):
wherein
R1, R2, R3 and R4 independently represent C1-C10 alkyl, optionally substituted benzyl or optionally substituted phenyl, the substituents being selected from halogen C1-C4 alkoxy and C1-C4 alkyl, provided that at least one or R1, R2. R3 and R4 represents optionally substituted benzyl or substituted phenyl;
or to the following general formula (II):
wherein
R1, R2, R3 and R4 independently represent C1-C10 alkyl or phenyl.
Sucn compounds may be used as herbicides and plant growth regulants.
本发明公开了一种化合物,其特征在于该化合物主要由鏻阳离子和甘氨酰甲基膦酸阴离子组成。
更具体地说,这种化合物符合以下通式 (I):
其中
R1、R2、R3 和 R4 独立地代表 C1-C10 烷基、任选取代的苄基或任选取代的苯基,取代基选自卤素 C1-C4 烷氧基和 C1-C4 烷基,条件是 R1、R2、R3 和 R4 中至少有一个代表任选取代的苄基或苯基。R3和R4中至少有一个代表任选取代的苄基或取代的苯基;
或以下通式(II):
其中
R1、R2、R3 和 R4 独立地代表 C1-C10 烷基或苯基。
琥珀酸化合物可用作除草剂和植物生长调节剂。