Method for producing 4-formylaminopiperidine derivatives of the formula (I)
and also the acid addition salts of these compounds, comprising the reaction of 4-aminopiperidine derivatives of the formula (II) or the acid addition salts of these compounds
in the presence of compounds of the formula (III)
and the use of 4-formylaminopiperidine derivatives of the formula (I) produced in such a way for protecting inanimate organic material against the effect of light.
本发明涉及一种制备公式(I)的4-甲酰
氨基
哌啶衍
生物及其酸加成盐的方法,包括在公式(III)的化合物存在下,通过反应公式(II)的
4-氨基哌啶衍
生物或其酸加成盐来制备公式(I)的4-甲酰
氨基
哌啶衍
生物,并利用以这种方式制备的4-甲酰
氨基
哌啶衍
生物来保护无机有机材料免受光的影响。