Red Coloring Photochromic 6’-Substituted Spiroindolinonaphth(2,1-B)(1,4)Oxazines

Rickwood M; Marsden SD; Ormsby ME; Staunton AL; Wood DW; Hepworth JD; Gabbutt CD

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, Vol.246, 17-24, 1994

DOI10.1080/10587259408037780 Export Citation

Red Coloring Photochromic 6’-Substituted Spiroindolinonaphth(2,1-B)(1,4)Oxazines

Rickwood M, Marsden SD, Ormsby ME, Staunton AL, Wood DW, Hepworth JD, Gabbutt CD

Electron donating/withdrawing substituents and electronegative centres have been successfully employed in substantially widening the range of photo-generated colours available in the spiroindolinonaphthoxazine class of photochromic materials.