Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Paper | Regular issue | Vol 60, No. 4, 2003, pp.843-855
Published online, 17th February, 2003
DOI: 10.3987/COM-02-9692
Control of the Fading Properties of Photochromic 3,3-Diaryl-3H-naphtho[2,1-b]pyrans

Christopher D. Gabbutt, B. Mark Heron,* and Alicia C. Instone

*Department of Colour Chemistry, The University of Leeds, Leeds, LS2 9JT, U.K.


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.