Process for the preparation of diaromatic o-(amino-alkyl)oximes

Details Process for the preparation of diaromatic o-(amino-alkyl)oximes Process for the preparation of diaromatic o-(amino-alkyl)oximes

C - Chemistry, Metallurgy

07

D

260/367.4, 260/3

C07D 317/14 (2006.01) C07D 307/52 (2006.01) C07D 333/06 (2006.01) C07D 333/22 (2006.01)

Patent

CA 1129427

ABSTRACT OF THE DISCLOSURE. The present invention relates to a process for the preparation of compounds of the formula (II): Image (II) in which n is an integer from 1 to 4, A represents an oxygen or sulfur atom and R1 and R2 represent independently a hydrogen atom or a C1-4 alkyl group, comprising reacting an oxime of the formula: Image (III) in which A is an oxygen or sulfur atom, with a chlorinated derivative having the formula Image (IV) in which n, R1 and R2 are as defined above, in the presence of a weak base. The compounds thus obtained are useful for the preparation of corresponding amino derivatives.

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