ACIDICHROMICS OF PHOTOCHROMIC SPIROOXAZINES

Citation
Mg. Fan et al., ACIDICHROMICS OF PHOTOCHROMIC SPIROOXAZINES, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 297, 1997, pp. 305-312
Citations number
9
Categorie Soggetti
Crystallography
ISSN journal
1058725X
Volume
297
Year of publication
1997
Pages
305 - 312
Database
ISI
SICI code
1058-725X(1997)297:<305:AOPS>2.0.ZU;2-2
Abstract
Acidichromism of four photochromic spirooxazine compounds (SP) were in vestigated systematically. When hydroxyl group is introduced on the na phtho ring of spirooxazine, the spirooxazine compounds are found to ha ve acidichromic properties in both acidic and basic solutions. Substit uent effect on the absorption maximum of acidichromic products has bee n discussed. A comprehensive discussion of acidichromic, photochromic and thermochromic processes is included.