| pubmed-article:19333468 | pubmed:abstractText | 2-Substituted 7-oxo-7,11b-dihydrodibenzochromenilium derivatives (1-ArPyl(+)s) undergo reversible changes in near-infrared absorption when Ar = ferrocenyl, and complete on-off switching of luminescence when Ar = p-tolyl, m-tolyl, or phenyl, by the reaction with methanol or methoxide ion and with acid. | lld:pubmed |
