Process for preparing manganese complexes

Details Process for preparing manganese complexes Process for preparing manganese complexes

C - Chemistry, Metallurgy

01

G

C01G 45/02 (2006.01) C07F 13/00 (2006.01)

Patent

CA 2073393

C7277 Abstract A process for preparing a dinuclear manganese complex of formula (A) Image (A) wherein:- Mn represents manganese in the III or IV oxidation state, each X is independently a co-ordinating or bridging species selected from H2O, O2-, O2-, OH-, SH-, S2-, Image , Cl-, N3-, SCN-, N3-, RCOO-, NH2- and NR3 where R is hydrogen, alkyl or aryl (optionally substituted); L is a ligand which is an organic molecule containing at least three nitrogen atoms which coordinate to a manganese centre; Z represents the charge of the complex and is an integer which may be positive or negative; Y is a monovalent or multivalent counter-ion leading to charge neutrality, which is dependent upon the charge Z of the complex; and q = z/[charge Y], the process comprising the steps of:- (i) reacting an Mn(II) salt with at least an equivalent amount of a compound comprising the ligand L to form said manganese complex characterised in that the reaction is carried out in a non-aqueous solvent; and (ii) optionally, oxidising the manganese complex formed in step (i) with an oxidising agent.

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