Herbicidal thiadiazabicyclononane derivatives

C - Chemistry – Metallurgy – 07 – D

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260/264.3, 71/7.

C07D 513/04 (2006.01) A01N 43/90 (2006.01)

Patent

CA 2023524

O.Z. 0050/41033 ABSTRACT OF THE DISCLOSURE: Thiadiazabicyclononane derivatives of the formula I Image I (R1 = H, F; R2 = halogen; R3 = H, C1-C4-alkyl; R4 = H, C1-C8-alkoxy- carbonyl, C3-C6-alkenyloxycarbonyl or C3-C6-alkynyloxycarbonyl, and these 3 groups may additionally bear C1-C4-alkoxy; X, Y, Z = O, S; A = C2-C3-alkylene chain which in addition to R4 may bear up to 3 identical or different radicals R5: OH, COOH, C1-C4-alkyl or C1-C6- alkoxycarbonyl, and the last two radicals may in turn bear up to 5 halogen atoms or one of the following substituents: OH, CN, SH, C1-C4-alkoxy, C1-C6-alkylthio, C3-C6-alkenyloxy, C3-C6-alkenylthio, C3-C6-alkynyloxy, C3-C6-alkynylthio, C1-C6-alkylcarbonyloxy, C1-C6-alkoxycarbonyl, C1-C6- alkoxycarbonyl-C1-C4-alkoxy or C1-C6-alkoxycarbonyl-C1-C4-alkylthio). These thiadiazabicyclononane derivatives are suitable for use as herbicides.

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