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Practical 4101: Macrobicyclic Cage Complexes

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The process of chelating cobalt (III) has been a challenge but it has been found that use of various molecules followed by specific pathways may lead to synthesis complicated metal ion chelators.

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Practical 4101: Macrobicyclic Cage Complexes
Topics this document covers:
Chemistry Matter Industrial gases Nitrogen Pnictogens Ammine complexes Chloropentamminecobalt chloride
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Topics this document covers:
Chemistry Matter Industrial gases Nitrogen Pnictogens Ammine complexes Chloropentamminecobalt chloride
Sample Text:
The macrobicyclic ligands completely encapsulate the cobalt metal center. This can be prepared the complex efficiently and rapidly. This is because the cobalt (III) is inert. [Co(en) 3 ]3+ is used as a template precursor for synthesis [Co((NO 2 ) 2 sar)] Cl 3 and it is reacted with formaldehyde, nitromethane under basic conditions. Then [Co((NO 2 ) 2 sar)] Cl 3 can be convert into [Co((NH 3 ) 2 sar)]Cl 5 where the nitro can be replaced by amines which will form diamino. The aim of this experiment is to understand the metal template synthesis of macrobicyclic cage complexes. Besides that, is to measure UV-vis IR and NMR of the two complexes. This is to study the mechanism and the different structures bet...
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