| abstract |
The invention belongs to the technical field of agricultural chemicals, and particularly relates to an aryl formamide compound containing chiral sulfur oxide or salt thereof, a preparation method, a herbicidal composition and a use thereof. The aryl formamide compound containing chiral sulfur oxide or salt thereof has the following structural formula: n n n n n n n n n n Z 1 , and Z 2 each independently represent nitro, halogen, or cyano, etc.; X represents unsubstituted or substituted n n n n n n n n n n unsubstituted or substituted n n n n n n n n n n unsubstituted or substituted n n n n n n n n n n unsubstituted or substituted n n n n n n n n n n unsubstituted or substituted n n n n n n n n n n unsubstituted or substituted n n n n n n n n n n or unsubstituted or substituted n n n n n n n n n n Q represents halogen, cyano, cyanoalkyl, or nitro, etc.; Y represents hydrogen, etc.; wherein the compound has advantages of excellent herbicidal activity, higher crop safety, and especially good selectivity for key crops such as wheat, rice, corn. |