Electron transfer across a spiro link: extreme solvatofluorochromism of a compact spiro-bridged N,N-dimethylaniline-phthalide dyad.
Chem Commun (Camb)
; 55(58): 8414-8417, 2019 Jul 25.
Article
em En
| MEDLINE
| ID: mdl-31257370
ABSTRACT
Intramolecular electron transfer over the sp3-C-link in dimethyl-aniline-spiro-phthalide leads to extreme solvatofluorochromism (11 600 cm-1) and a fluorescence maximum shift from 357 (hexane) to 595 nm (acetonitrile). The spiro link enhances π-σ* negative hyperconjugation leading to C-O bond elongation and electron transfer over a longer distance than in a non-spirocyclic analogue.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Chem Commun (Camb)
Assunto da revista:
QUIMICA
Ano de publicação:
2019
Tipo de documento:
Article
País de afiliação:
Polônia