Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5215913 | Tetrahedron | 2014 | 8 Pages |
Abstract
A dynamic 1H NMR study, together with DFT calculations, of bis-([1,2,3]triazolo)[1,5-a:5â²,1â²-k][1,10]phenanthroline 2 has allowed to identify the ring and open forms of a new example of ring/chain tautomerism, as well as their interconversion barriers (ring/ring and ring/open). The barrier of the exchange process between the chain forms and the ring form was found higher than the 'racemization' process in the closed form, so the ring opening does not contribute to the 'racemization'. The di-1,10-methyl and di-1,10-iodo derivatives have been prepared and their properties calculated.
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Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Belén Abarca, Rafael Ballesteros, Rosa Adam, Rafael Ballesteros-Garrido, Frédéric R. Leroux, Françoise Colobert, Ibon Alkorta, José Elguero,