Novel semisquaraine regioisomers: isolation, divergent chemical reactivity and photophysical properties |
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| Authors: | Avirah Rekha R Jyothish Kuthanapillil Suresh Cherumuttathu H Suresh Eringathodi Ramaiah Danaboyina |
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| Institution: | Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Trivandrum 695 019, India. |
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| Abstract: | A zwitterionic semisquaraine 1,3-regioisomer which exhibits distinct photophysical properties and chemical reactivity was isolated. Uniquely, this isomer has been identified as the reactive intermediate in the squaraine dye formation reaction rather than the neutral 1,2-isomer and opens up new avenues for the synthesis of novel dyes for optoelectronic applications. |
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