Near-infrared fluorescent pH-sensitive probes via unexpected barbituric acid mediated synthesis.

Near-infrared fluorescent pH-sensitive probes via unexpected barbituric acid mediated synthesis.
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DOI:
10.1021/ol802363x
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发表时间:
2009-01-01
期刊:
影响因子:
5.2
通讯作者:
Achilefu, Samuel
Achilefu, Samuel
中科院分区:
化学1区
文献类型:
--
作者:
Lee, Hyeran;Berezin, Mikhail Y.;Guo, Kevin;Kao, Jeff;Achilefu, Samuel

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Novel near-infrared pyrimidine-fused pH fluorescent probes were prepared by an unusual barbiturate-mediated debenzoindolation and subsequent heteroannulation. A plausible mechanistic pathway is proposed and the final structures were further elucidated by 2D-NMR. All new compounds are highly fluorescent in the near-infrared region and possess excellent spectral sensitivities to environmental pH changes.
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