Control of the fading properties of photochromic 3,3-diaryl-3H-naphtho[2,1-b]pyrans

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Abstract

The synthesis and spectroscopic properties of some novel photochromic 3H-naphtho[2,1-b]pyrans are reported. Varying the size of an ortho-substituent on one of the geminal aryl rings allows the rate of fade of the photogenerated color to be controlled.

Original languageEnglish
Pages (from-to)843-855
Number of pages13
JournalHeterocycles
Volume60
Issue number4
Early online date17 Feb 2003
DOIs
Publication statusPublished - 1 Apr 2003
Externally publishedYes

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