Ring strain in [n]ladderanes |
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Authors: | Novak Igor |
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Institution: | Charles Sturt University, P.O. Box 883, Orange NSW 2800, Australia. inovak@csu.edu.au |
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Abstract: | The ring strain energies in a series of n]ladderanes (n = 3-8) have been calculated by using high-level ab initio method (G3MP2//B3LYP-6-31G*) and the series of isodesmic, homodesmotic, and protobranching compensated reactions. The results show that various four-member rings incorporated into the ladderane chain have different strain energies and that the total strain in a ladderane molecule is smaller than the corresponding sum of strain energies of the cyclobutane rings. |
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