C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/53 (2006.01) C07C 253/00 (2006.01)
Patent
CA 2154783
A method for the preparation of a 2-hydroxybenzonitrile which comprises reacting hydroxylamine with a 2-hydroxyarylaldehyde which is at least partially in the form of a salt and/or complex of a metal of Group II, Group III, Group IVA or Group VIA of the Periodic Table and dehydrating the 2-hydroxyarylaldoxime so formed.
Smart & Biggar
Syngenta Participations Ag
Zeneca Limited
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