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β-Thiophene-Fused BF2‑Azadipyrromethenes as Near-Infrared Dyes

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journal contribution
posted on 07.02.2014, 00:00 authored by Yayang Wu, Chi Cheng, Lijuan Jiao, Changjiang Yu, Sufan Wang, Yun Wei, Xiaolong Mu, Erhong Hao
A facile synthetic route to a new class of near-IR β-thiophene-fused BF2-azadipyrromethenes (aza-BDTPs) is presented. Sharp absorption and fluorescence emission bands at around 800 nm were observed for these highly photostable aza-BDTPs, with a large absorption coefficient and very low absorptions in the visible range from 700 to 380 nm.