The invention relates to a method for producing metal complexes of formula (2) [M
a
L
x
X
n
]Y
m
(2), where M is a metal from the group consisting of Mn(II), Mn(III), Mn(IV), Fe(II), Fe(III) or Fe(IV), X is a coordinating compound selected from mono-, bi- or tri-charged anions or neutral molecules which can coordinate to a metal in mono-, bi- or tri-dentate form, Y represents a non-coordinating counter-ion which ensures charge equalization of the complex, L represents a ligand of formula (1) or the protonized or de-protonized form thereof, and a, x, n, m, R, R
1
, R
2
, R
3
and z have the meanings described in claim
1
. Said method is characterized in that the reaction of one or more ligands of formula (1) with an iron salt or manganese salt is carried out in an acetone/water mixture in a temperature range from 0 to 50° C. and for this purpose a solution or a suspension of the one or more ligands of formula (1) in acetone is brought in contact with an aqueous metal salt solution of the iron salt or manganese salt in the temperature range in which the reaction takes place.
本发明涉及一种制备公式(2)[MaLxXn]Ym(2)的
金属配合物的方法,其中M是来自Mn(II),Mn(III),Mn(IV),Fe(II),Fe(III)或Fe(IV)的
金属,X是选择自单价,双价或三价阴离子或中性分子的配位化合物,可以以单价,双价或三价形式协同到
金属上,Y表示非配位的对离子,以确保配合物的电荷平衡,L表示公式(1)或其质子化或去质子化形式的
配体,a,x,n,m,R,R1,R2,R3和z具有权利要求中所述的含义。所述方法的特点在于,在0至50℃的温度范围内,将一个或多个公式(1)的
配体与
铁盐或
锰盐反应,用
丙酮/
水混合物进行反应。为此,在
丙酮中溶解或悬浮一个或多个公式(1)的
配体,并将其与
铁盐或
锰盐的
水溶液在反应发生的温度范围内接触。