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Benzofuran-/Benzothiophene-Incorporated NIR-Absorbing Triphyrins(2.1.1)

Authors
  • KUMAR, A
  • THORAT, KG
  • RAVIKANTH, M
Publication Date
Dec 03, 2018
Source
DSpace at IIT Bombay
Keywords
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Unknown
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Abstract

Novel benzofuran-/benzothiophene-incorporated triphyrins(2.1.1) were synthesized using readily available precursors under mild reaction conditions. The X-ray structure revealed that the benzofuran-incorporated triphyrin(2.1.1) macrocycle was slightly ruffled. The triphyrins(2.1.1) exhibit more absorption in the NIR region compared to previously reported dibenzofuran-/dibenzothiophene-incorporated hybrid macrocycles. The benzofuran-incorporated triphyrin shows significant red shift in absorption bands compared to that of benzothiophene-based triphyrin due to its more coplanar arrangement as supported by X-ray and DFT studies.

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