Reactivity of the N-methylene-5,8-didehydroisoquinolinium triradical ion.
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.
Nizzi
Katrina E
KE
Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA.
Amegayibor
F Sedinam
FS
Nash
John J
JJ
Kenttämaa
Hilkka I
HI
D005609:Free Radicals / Q000737:chemistry; D007546:Isoquinolines / Q000737:chemistry*; D007700:Kinetics; D015394:Molecular Structure; D011806:Quinolinium Compounds / Q000737:chemistry*
D005609:Free Radicals; D007546:Isoquinolines; C505703:N-methylene-5,8-didehydroisoquinolinium; D011806:Quinolinium Compounds