Stable π-electron systems and new aromatic structures
作者:D.H. Reid
DOI:10.1016/0040-4020(58)80039-3
日期:1958.1
Aromatic character, as expressed in the reactions of azulene and its derivatives, is correlated with the development, in the appropriate transition state, of a stable π-electron system (sextet) in the five- or the seven-memberedring.