C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/300, 260/309
C07D 263/58 (2006.01) C07D 277/68 (2006.01) C07D 417/12 (2006.01)
Patent
CA 1169866
ABSTRACT OF THE DISCLOSURE The preparation of herbicidal compounds of the formula Image (I) wherein R includes halogen, CF3 and NO2, A includes oxygen and sulfur, R1 is H or alkyl and Z is a variety of groups including the carboxyl group and its functional derivatives, by reacting compounds of formulae II Image (II) and III Image (III) in the presence of basic substances.
383101
Handte Reinhard
Mildenberger Hilmar
Willms Lothar
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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