申请人:The Upjohn Company
公开号:US04008217A1
公开(公告)日:1977-02-15
1'-Variable-1',1'-dihalo-halobenzeneazomethanes of the structural formula: ##STR1## wherein R is hydrogen; alkyl of from 1 to 7 carbon atoms, inclusive; cycloalkyl of from 3 to 7 carbon atoms, inclusive; haloalkyl of from 1 to 7 carbon atoms, inclusive; halocycloalkyl of from 3 to 7 carbon atoms, inclusive; alkoxyalkyl of from 2 to 8 carbon atoms, inclusive; hydroxyalkyl of from 1 to 7 carbon atoms, inclusive; and phenyl optionally having 1, 2, or 3 substituents, e.g., halogen atoms, lower-alkyl or from 1 to 4 carbon atoms, inclusive, halolower-alkyl of from 1 to 4 carbon atoms, inclusive, and lower-alkoxy of from 1 to 4 carbon atoms, inclusive; the X's are independently bromine, chlorine, or fluorine; m is an integer 0, 1, 2, or 3; and R.sub.1, R.sub.2, and Y are independently halogen, lower-alkyl of from 1 to 4 carbon atoms, inclusive; halolower-alkyl of from 1 to 4 carbon atoms, inclusive; or lower-alkoxy of from 1 to 4 carbon atoms, inclusive; providing however, that at least one R.sub.1 and R.sub.2 is halogen, and that the sum of the carbon atoms in substituents R.sub.1, R.sub.2, and Y may not be more than 15. The compounds are active as herbicides and are formulated in agricultural formulations for use as herbicides.
化学式为 ##STR1## 的1'-变量-1',1'-二卤代卤苯基甲烷偶氮甲烷,其中R为氢;碳原子数为1至7的烷基,包括端基和支链基;碳原子数为3至7的环烷基;碳原子数为1至7的卤代烷基;碳原子数为3至7的卤代环烷基;碳原子数为2至8的烷氧基烷基;碳原子数为1至7的羟基烷基;以及苯基,可选地具有1、2或3个取代基,例如卤原子,碳原子数为1至4的低碳烷基或包括1至4个碳原子,卤代低碳烷基,碳原子数为1至4的低碳烷氧基;X分别为溴、氯或氟;m为0、1、2或3的整数;R.sub.1、R.sub.2和Y分别为卤素,碳原子数为1至4的低碳烷基,包括卤代低碳烷基,碳原子数为1至4的低碳烷氧基;但至少有一个R.sub.1和R.sub.2为卤素,并且R.sub.1、R.sub.2和Y中取代基的碳原子总数不得超过15。这些化合物作为除草剂具有活性,并且可以制成农业制剂用作除草剂。