4.7 Article

Replacing Phenyl Ring with Thiophene: An Approach to Longer Wavelength Aza-dipyrromethene Boron Difluoride (Aza-BODIPY) Dyes

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 77, Issue 1, Pages 669-673

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jo201413b

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Funding

  1. NSF of China [20876022]
  2. Fundamental Research Funds for the Central University [DUT10ZD114]

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In the orignial 1,3,5,7-tetraphenyl aza-BODIPY, replacing the phenyl rings with thiophene achieved significant bathochromic shifts. One of the target molecules, DPDTAB, emitting strong NIR fluorescence with a quantum yield of 0.46 in acetonitrile, is a very competitive NIR fluorophore.

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