| 摘要 |
5-(N-3,4,5,6-Tetrahydrophthalimido)-cinnamic acid derivatives of the formulae Ia and Ib <IMG> <IMG> Ia Ib where the substituents have the following meanings: Y is chlorine, bromine or C1-C4-alkyl; R1 is hydrogen, C1-C8-alkyl, substituted or unsubstituted C2-C4-alkyl, C3-C6-alkenyl, C3-C6-alkynyl, or substituted or unsubstituted phenyl or benzyl, R2 is C5-C8-alkyl, substituted or unsubstituted C2-C4-alkyl, C1-C6-alk-oxy, C3-C6-alkenyl, C3-C6-alkenyloxy, C3-C6-alkynyl, C3-C6-alkynyloxy, or substituted or unsubstituted phenyl, phenoxy, benzyl or benzyloxy, R3 is C1-C6-alkyl, or substituted or unsubstituted C2-C6-alkyl, methods of manufacturing these compounds, and their use as herbicides.
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