Red colouring photochromic 6′-substituted spiroindolinonaphth[2,1-b][1,4]oxazines

Article abstract of DOI:10.1080/10587259408037780

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.

Full text of DOI:10.1080/10587259408037780

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Molecular Crystals and Liquid
Crystals Science and Technology.
Section A. Molecular Crystals and
Liquid Crystals
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Red Colouring Photochromic
6′-Substituted Spiroindolinon
Aphth[2,1-b][1,4]Oxazines
M. Rickwood a , S. D. Marsden a , M. E Ormsby a , A. L.
Staunton a , D. W. Wood a , J. D. Hepworth b & C. D.
Gabbutt b
a Pilkington PLC., Pilkington Technology Centre, Hall Lane ,
Lathom, Ormskirk, Lancashire, England , L40 5UF
b Dept. of Chemistry , University of Central Lancashire ,
Preston, England , PR 1 2TQ
Published online: 24 Sep 2006.
To cite this article: M. Rickwood , S. D. Marsden , M. E Ormsby , A. L. Staunton , D. W.
Wood , J. D. Hepworth & C. D. Gabbutt (1994) Red Colouring Photochromic 6′-Substituted
Spiroindolinon Aphth[2,1-b][1,4]Oxazines, Molecular Crystals and Liquid Crystals Science
and Technology. Section A. Molecular Crystals and Liquid Crystals, 246:1, 17-24, DOI:
10.1080/10587259408037780
To link to this article: http://dx.doi.org/10.1080/10587259408037780
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