| 摘要 |
Title cpds. of formula (I) (where Ar is phenyl opt. substd. by 1-5 substits. selected from halogen, 1-4C alkyl, 1-4C alkoxy and CF3, R1 is 1-4C alkoxy or NR3R4 is which R3 and R4 are H, 1-4C alkyl or 2-4C alkenyl, R2 is H or 1-4C alkyl and X is O or S), which are fungicides partic. active against Botrytis cinerea, Colletotrichum lindemuthianum and Sclerotina sclerotiorum, are prepd. by reacting a corresp. 1-H substd. cpd. with halogen-CO-R1 or when R1 is NH-R4' (where R4' is 1-4C alkyl or 2-4C alkenyl), with R4'-N=C=O. |
