Reference of 1271-48-3, Researchers are common within chemical engineering and are often tasked with creating and developing new chemical techniques, frequently combining other advanced and emerging scientific areas.1271-48-3, Name is 1,1′-Ferrocenedicarboxaldehyde, molecular weight is 242.0516. belongs to iron-catalyst compound, In an Article，once mentioned of 1271-48-3
The compound bis[1,1?-N,N?-(2-picolyl)aminomethyl]ferrocene, L1, was synthesized. The protonation constants of this ligand and the stability constants of its complexes with Ni2+, Cu2+, Zn2+, Cd2+ and Pb2+ were determined in aqueous solution by potentiometric methods at 25C and at ionic strength 0.10 mol dm-3 in KNO3. The compound L1 forms only 1:1 (M:L) complexes with Pb2+ and Cd2+ while with Ni 2+ and Cu2+ species of 2:1 ratio were also found. The complexing behaviour of L1 is regulated by the constraint imposed by the ferrocene in its backbone, leading to lower values of stability constants for complexes of the divalent first row transition metals when compared with related ligands. However, the differences in stability are smaller for the larger metal ions. The structure of the copper complex with L1 was determined by single-crystal X-ray diffraction and shows that a species of 2:2 ratio is formed. The two copper centres display distorted octahedral geometries and are linked through the two L’ bridges at a long distance of 8.781(10) A. The electrochemical behaviour of L1 was studied in the presence of Ni2+, Cu2+, Zn2+, Cd2+ and Pb2+, showing that upon complexation the ferrocene – ferrocenium half-wave potential shifts anodically in relation to that of the free ligand. The maximum electrochemical shift (DeltaE1/2) of 268 mV was found in the presence of Pb2+ followed by Cu2+ (218 mV), Ni 2+ (152 mV), Zn2- (111 mV) and Cd2+ (110 mV). Moreover, L1 is able to electrochemically and selectively sense Cu2+ in the presence of a large excess of the other transition metal cations studied.
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Reference：
Iron Catalysis in Organic Synthesis | Chemical Reviews,
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion