| 摘要 |
Oxacyclohexane derivs. [I; R1 = lower alkyl; R2 = lower alkyl, lower alkenyl, or lower alkinyl, A is, e.g., compd. (IV; R3 = H or lower alkyl; R4 = lower alkyl or phenyl; R3 can be bonded with R4 to form C4-5 cycloalkylene); Y is, e.g., compd(V) , useful as selective herbicides, were prepd. by treating compd. (II) with compd. (III).
|
