Abstract
The synthesis and photochromic properties of several novel thienobenzopyrans are presented. The presence of thiophene ring was found to bring about a red shift of λmax. The mode of ring fusion of the thiophene ring has a profound effect on the rate of fade of the photogenerated species.
Original language | English |
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Pages (from-to) | 73-77 |
Number of pages | 5 |
Journal | Dyes and Pigments |
Volume | 47 |
Issue number | 1-2 |
DOIs | |
Publication status | Published - 1 Oct 2000 |
Externally published | Yes |