Disclosed are novel 2,3-dihydro-3,3-dimethyl-5-trifluoromethanesulfonyloxy benzofurans and herbicides containing them, which are produced, e.g., via the mono-substituted 2-morpholino derivative, by reacting a corresponding 5-hydroxy benzofuran with a trifluoromethanesulfonyl esterifying agent.
本发明公开了新型 2,3-二氢-3,3-二甲基-5-
三氟甲烷磺酰氧基
苯并呋喃及其
除草剂,这些
除草剂是通过相应的
5-羟基苯并呋喃与
三氟甲烷磺酰酯化剂反应,例如通过单取代 2-吗啉基衍
生物制得的。