Mesomeric betaine
Appearance
Mesomeric betaines are dipolar heterocyclic compounds in which both the negative and the positive charges are delocalized.[1]
Examples are mesoionic compounds and heteropentalenes (e.g. diazapentalenes). Heteropentalenes are not mesoionic.[2]
References
- ^ Ollis, W.David; Stanforth, Stepher P.; Ramsden, Christopher A. (1985). "Heterocyclic mesomeric betaines". Tetrahedron. 41 (12): 2239–2329. doi:10.1016/S0040-4020(01)96625-6.
- ^ Kawase, Masami (2009). The Chemistry of Bioactive Mesoionic Heterocycles. Springer. p. 135-152. doi:10.1007/7081_2007_096.