| 发明名称 |
2-(3,4-dichlorophenyl)-4,4-dimethylsemicarbazide and its alkyl - derivs - selective herbicides |
| 摘要 |
<p>Insecticidal semicarbazide are of formula (I):- where R3 = H or (1-4C) alkyl (and pref. H or Me). (R3=H) are prepd. by reacting the benzaldehyde deriv. with 2,4-dinitrophenylhydrazine. This can then by alkylated, via the N-trifluoroacetyl deriv. to give (I) (R3=alkyl).</p> |
| 申请公布号 |
NL7010689(A) |
申请公布日期 |
1972.01.20 |
| 申请号 |
NL19700010689 |
申请日期 |
1970.07.18 |
| 申请人 |
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| 分类号 |
(IPC1-7):07C109/06;01N9/20 |
主分类号 |
(IPC1-7):07C109/06 |
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