Fluorescent nucleosides with an elongated rigid linker: attaching perylene to a nucleobase via a one-pot desilylation/Sonogashira reaction
Two novel analogues of the highly fluorescent and potent antiviral compound, 5-(perylen-3-ylethynyl)-2′-deoxyuridine, containing elongated rigid linkers, butadiyne and 1,4-diethynylphenylene, were synthesized from the corresponding trimethylsilyl alkynes using a one-pot desilylation/Sonogashira reaction as the key step. Their spectral properties are compared to those of the parent perylenylethynyl nucleoside.
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