Process for the preparation of amidoxime derivatives

Details Process for the preparation of amidoxime derivatives Process for the preparation of amidoxime derivatives

C - Chemistry, Metallurgy

07

C

260/278.2, 260/2

C07C 251/58 (2006.01) C07C 249/12 (2006.01) C07C 259/12 (2006.01) C07D 213/58 (2006.01) C07D 213/78 (2006.01) C07D 295/088 (2006.01) C07D 401/12 (2006.01) C07D 413/12 (2006.01)

Patent

CA 2024808

-25 - IMPROVED PROCESS FOR THE PREPARATION OF AMIDOXIME DERIVATIVES A b s t r a c t The invention relates to an improved process for preparing amidoxime derivatives of the general formula (I) Image (I) wherein R1 means a C2-15 group, which may be unsaturated and/or cyclic alkyl, aralkyl group or optionally substituted and/or condensed aromatic and/or heteroaromatic group; R2 stands for hydrogen or an optionally substituted straight or branched chain or cyclic and/or unsaturated C1-7 alkyl or aromatic group; R3 represents an optionally substituted straight or branched chain or cyclic and/or unsaturated C1-7 alkyl or aromatic group; or R2 and R3 together with the adjacent nitrogen atom may form an 5- to 8-membered ring optionally containing other heteroatom(s); and X stands for halogen and their salts by reacting an amidoxime of the general formula (II),

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