| 摘要 |
Title cpds. of formula (I): (where R1 and R4 are H, alkyl, opt. substd. phenyl or cycloalkyl; R2 is COOR, CONR4R5 or CN; R3 is alkyl, alkoxy or phenyl; R5 is H or alkyl; X is O or S) may be prepd. by reacting the corresp. 3-hydroxytriazole with Hal-P(X)(R3)OR4 (Hal = halogen) in the presence of acid binider. Cpds. (I) are insecticides, acaricides, nematocides, fungicides, bactericides, viricides, selective herbicides, molluscicides and anthelmintics. |
