Photochromism of indolino-benzopyrans studied by NMR and UV-visible spectroscopy
<p>The synthesis of photochromic 3,3-di(<mml:math> <mml:msup> <mml:mn>4</mml:mn> <mml:mo>′</mml:mo> </mml:msup> </mml:math>-fluorophenyl)-3H-benzopyrans fused to an indole moiety is described. The structures of photomerocyani...
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| Format: | Article |
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| Language: | English |
| Published: |
Wiley
2006-01-01
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| Series: | International Journal of Photoenergy |
| Online Access: | http://www.hindawi.com/GetArticle.aspx?doi=10.1155/IJP/2006/43213 |
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| Summary: | <p>The synthesis of photochromic 3,3-di(<mml:math> <mml:msup> <mml:mn>4</mml:mn> <mml:mo>′</mml:mo> </mml:msup> </mml:math>-fluorophenyl)-3H-benzopyrans fused to an indole moiety is described. The structures of photomerocyanines elucidated by NMR spectroscopy and spectrokinetic data (<mml:math> <mml:msub> <mml:mi>λ</mml:mi> <mml:mrow> <mml:mi>max</mml:mi><mml:mo>⁡</mml:mo> </mml:mrow> </mml:msub> </mml:math> of colored form, colorability, and rate constant of bleaching) obtained by UV-visible spectroscopy are reported.</p> |
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| ISSN: | 1110-662X |