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A Theoretical Study on the Possibility of Functionalization of C20 Fullerene Via its Diels-Alder Reaction with 1,3-Butadiene

[ Vol. 13 , Issue. 1 ]


Amir Siadati   Pages 2 - 6 ( 5 )


Background: Fullerenes are of the most useful structures which could be used in making nano sized instruments. These small carbon cages are important in designing synthesized nano structures. In order to use the fullerenes in the nano structures, functionalizing the surface of these compounds may be required. Considering this fact, many attempts have been already taken to find certain ways to functionalize these substances.

Methods: Several different geometries were assumed for each species in order to be used as input files, followed by optimization to give the most possible states. The structures corresponding to the reactants, TS, and product were optimized and the electronic structures and harmonic vibrational frequencies of all stationary points along the reaction pathway were calculated.

Results: The present research introduces an ultra-fast way for the functionalization of C20 fullerene via its diels-alder reaction with 1,3-butadiene. The reaction proceeds via a transition state with a relatively high asynchronous mechanism. This method facilitates the attachment of C20 fullerene and its derivatives to chemical species with a 1,3-diene functional group, and therefore it could provide a suitable approach in synthesizing some of the nano-sized molecules, devices or machines.

Conclusion: The present way seems to be faster than other methods which have been already reported on the functionalization of C20 fullerene. The results showed that at least in this case, pericyclic reaction could carry out the functionalization of this small carbon cage with no need to a solvent engagement or any other accelerating agents such as catalysts, light or heat.


1, 3-butadiene, C20 fullerene, diels-alder, functionalization, nano-sized molecules, ultra-fast reaction.


Department of Chemistry, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran.

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