C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/297
C07D 213/64 (2006.01) C07D 213/73 (2006.01)
Patent
CA 1246580
ABSTRACT OF THE DISCLOSURE A process for the preparation of pyridoxy-phenoxy-N- cyano propionic acid derivatives of the formula (Ic): Image in which R represents hydrogen, C1-C4alkyl, C3-C4alkenyl, C3-C4 alkynyl or C2-C4alkoxyalkyl and X represents F, Cl, Br, I, or CF3 is described. These compounds find use in the preparation of the related 2-phenoxypropionic acids, which have selective herbicidal activity.
539035
Bohner Beat
Rempfler Hermann
Schurter Rolf
Fetherstonhaugh & Co.
Syngenta Participations Ag
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