In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. In homogeneous catalysis, catalysts are in the same phase as the reactants. Quality Control of 1,1′-Diacetylferrocene. Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. Introducing a new discovery about 1273-94-5, Name is 1,1′-Diacetylferrocene
The chiral Cd(II) complex {[Cd(L)(CH3COO)2(H2O)]H2O}n {L = 1,1′-[bis-3-(3-pyridyl)pyrazol-5-yl]ferrocene} has been synthesised. The Cd(II) ion is coordinated by two pyridyl nitrogen atoms, two chelating acetate anions and one water molecule, showing a distorted pentagonal-bipyramidal coordination environment. Each ligand L serves as a bisconnector, bridging two Cd atoms through its two pyridyl moieties, to afford an infinite 1D left-handed helical chain along the a-axis with a short pitch of 5.8761 (9) A. Moreover, all of the left-handed helical chains are joined by hydrogen bonds to form a left-handed homochiral crystal.
Synthesis and characterisation of a Cd(II) complex with a chiral framework constructed from achiral 1,1′-[bis-3-(3-pyridyl)pyrazol-5-yl]ferrocene via spontaneous resolution
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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