Tetrahedron Letters p. 6689 - 6692 (1995)
Update date:2022-08-04
Topics:
Okada, Keiji
4,4′-(1-Phenylene)bis(1-methyl-2,4,6-triphenylpyridinium) (12+) and 4,4′,4″-(benzene-1,3,5-triyl)tris(1-methyl-2,4,6- triphenylpyridinium) (23+) were synthesized and their metal reductions were studied; 12+ gave the triplet diradical (1) in the ground state, and 23+ produced also a triplet diradical and the expected quartet species was not observed.
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