Title : Competition between alpha-cleavage and energy transfer in alpha-azidoacetophenones.

Pub. Date : 2007 Apr 13

PMID : 17373846






2 Functional Relationships(s)
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1 Molecular modeling demonstrates that the first excited state of the triplet ketone (T1K) in azide 1b has a (pi,pi*) configuration with an energy that is 66 kcal/mol above its ground state and its second excited state (T2K) is 10 kcal/mol higher in energy and has a (n,pi*) configuration. Azides TANK binding kinase 1 Homo sapiens
2 Thus, T1K (pi,pi*) in azide 1b leads to energy transfer to form nitrene 2b; however, alpha-cleavage is not observed since the energy of T2K (n,pi*) is 10 kcal/mol higher in energy than T1K, and therefore, T2K is not populated. Azides TANK binding kinase 1 Homo sapiens