THE GENERATION OF ARYLTROPYLIUM IONS VIA PHOTOHETEROLYSIS

Citation
U. Pischel et al., THE GENERATION OF ARYLTROPYLIUM IONS VIA PHOTOHETEROLYSIS, Journal of information recording, 24(5-6), 1998, pp. 315-320
Citations number
3
Categorie Soggetti
Photographic Tecnology","Material Science
ISSN journal
10256008
Volume
24
Issue
5-6
Year of publication
1998
Pages
315 - 320
Database
ISI
SICI code
1025-6008(1998)24:5-6<315:TGOAIV>2.0.ZU;2-M
Abstract
Aryltropylium ions 1a-1e were generated by photoheterolysis of the C-O bond of the corresponding methyltropylethers. The lifetime of the dif ferent tropylium ions is strongly influenced by the donor strength of the aryl substituents. The lifetime ranges from 190 mu s to 14 s. Phot oconductivity experiments evidenced the formation of ionic products.