Sa. Elabbady et Mk. Awad, SYNTHESIS AND DIMERIZATION OF 1-PHTHALAZIN-3-YL-3-OXIDOPYRIDINIUM BETAINE - FMO TREATMENT OF THE CYCLOADDITION PROCESS, Polish Journal of Chemistry, 69(1), 1995, pp. 33-40
Frontier molecular orbitals rationalises the effect of phthalazin subs
tituent on the dimerisation tendency of 3-oxidopyridinium betaine disp
laying the predicted high reactivity. Structural and configurational a
ssignments were deduced from spectral evidence.