C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/363, 260/366
C07D 307/88 (2006.01) A01N 43/12 (2006.01)
Patent
CA 1327810
ABSTRACT DIPHENYL ETHER HERBICIDES Phenoxy phthalide derivatives having the general formula II: Image (II) wherein R1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R2 and R3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; and R4 and R5, which may be the same or different, each independently represents an alkyl group. Processes for the preparation of such compounds, herbicidal compositions containing them, and their herbicidal use.
516131
Shell Canada Limited
Smart & Biggar
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