Reactivity of the N-methylene-5,8-didehydroisoquinolinium triradical ion |
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Authors: | Nizzi Katrina E Amegayibor F Sedinam Nash John J Kenttämaa Hilkka I |
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Institution: | Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA. |
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Abstract: | The reactivity of a sigma,sigma,pi-triradical, N-methylene-5,8-didehydroisoquinolinium ion, has been compared to that of four related mono- and biradicals in a Fourier transform ion cyclotron resonance mass spectrometer. The triradical contains two weakly interacting orthogonal radical systems-the sigma,sigma-biradical moiety and the pi-monoradical moiety. The sigma,sigma-biradical moiety is found to be substantially more reactive than the pi-radical moiety. The pi-radical site reacts only after reactions have quenched the sigma-radical sites. |
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