Ipso aromatic alkylation in the gas phase. Intermediacy and structure of gaseous heptaalkylbenzenium ions
作者:Marina Attina、Fulvio Cacace、Giulia De Petris、Simonetta Fornarini、Pierluigi Giacomello
DOI:10.1021/ja00294a015
日期:1985.4
On etudie la structure desions heptaalkylbenzenes en phase gazeuse pardes techniques complementaires: spectrometriedemasseparionisationchimique, alkylation des hexaalkylbenzenes pardes cations generes radiolytiquement, et spectrometriedemassepar dissociation induite par collision
Charge-Transfer Probes for Molecular Recognition <i>via</i> Steric Hindrance in Donor-Acceptor Pairs
作者:R. Rathore、S. V. Lindeman、J. K. Kochi
DOI:10.1021/ja9720319
日期:1997.10.1
respectively, of different [D,A] complexes. Importantly, such measurements establish charge-transfer absorption to be a sensitive analytical tool for evaluating the steric inhibition of donor−acceptor association. For example, the steric differences among various hindered aromatic donors in their association with quinone are readily dramatized in their distinctive charge-transfer (color) absorptions and verified