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1 article(s) from de Abreu, Ruben Manuel Figueira

Synthesis and properties of 6-alkynyl-5-aryluracils

Ruben Manuel Figueira de Abreu,
Till Brockmann,
Alexander Villinger,
Peter Ehlers and
Peter Langer

Beilstein J. Org. Chem. 2024, 20, 898–911, doi:10.3762/bjoc.20.80

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Graphical Abstract

Figure 1: Uracil derivatives in drugs.

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Figure 2: Present work as compared to previous studies [25,57-59].

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Scheme 1: Synthesis of 1,3-dimethly-5-[2-(aryl)ethynyl]-6-[2-(aryl)ethynyl]uracils 4 and 1,3-dimethyl-5-aryl-...

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Scheme 2: Synthesis of 5-bromo-1,3-dimethyl-6-[2-(aryl)ethynyl]uracils 3a–j. Reaction conditions: 2 (1.0 equi...

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Scheme 3: Structure of the starting material 2 with its possible mesomeric structures.

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Scheme 4: Synthesis of 1,3-dimethyl-5-[2-(aryl)ethynyl]-6-[2-(aryl)ethynyl]uracils 4a–h. Reaction conditions: ...

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Scheme 5: Synthesis of 1,3-dimethyl-5-aryl-6-[2-(aryl)ethynyl]uracils 5a–t. Reaction conditions: 3 (1 equiv),...

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Figure 3: ORTEP diagram of 5a front view (a) and side view (b). a) Interactions of the molecules within and b...

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Figure 4: UV–vis absorption (left) and emission (right, λ_ex = 400 nm) spectra of 1,3-dimethyl-5-phenyl-6-[2-(...

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Published 22 Apr 2024

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