The present invention relates to a process for preparing benzylic amides of formula (I) wherein the variables have the meaning as defined in the description, by reductive amidation of a nitrile of formula (II) wherein the variables have the meanings given for formula I, with an activated carbonyl compound of formula (III), and which nitrile is obtained by reaction of a compound of formula (IV) with a halogen compound of formula (V), wherein X is a halogen atom, preferably bromo, which halogen compound V in turn is obtained by Sandmeyer reaction of an aniline derivative of formula (VI) novel compounds of formula (I), and processes for preparing compounds of formula (XII) wherein the variables have the meaning as defined in the description by condensing compounds of formula I with compounds of formula (X) and subjecting the resulting α,β-unsaturated ketone of formula (XI) to a reaction with hydroxylamine to yield compounds of formula (XII.)
本发明涉及一种制备公式(I)中苄基酰胺的方法,其中变量的含义如描述中所定义,通过将公式(II)中的腈还原酰胺,其中变量的含义与公式I中给出的含义相同,与公式(III)中的活化羰基化合物进行缩合,而该腈是通过将公式(IV)的化合物与公式(V)的卤素化合物反应得到的,其中X是卤素原子,最好是
溴,而该卤素化合物V又是通过公式(VI)的
苯胺衍
生物经Sandmeyer反应得到的,公式(I)的新化合物,以及通过将公式I的化合物与公式(X)的化合物缩合,并将所得的α,β-不饱和酮(XI)与
羟胺反应以得到公式(XII)化合物的制备过程中的变量的含义如描述中所定义。