| 摘要 |
Phenylformamidines (I), useful as insecticides and plant growth regulator, were prepd. by reaction of compd. II with compd. III in the presence of acid coupling agent. In above compd. I.II. and III, acid coupling agent. In above compd. I.II. and III, R1= Me, Et, R2 =H, CI, Br, or C1-C4 alkyl, R3 = H, Me, Et, Cl, Br, CF3, CN, X = halogen, m, n = integer 1,2 or 3, R2, R3 = the same or different according to m and n.
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