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Beilstein J. Org. Chem. 2025, 21, 1126–1134, doi:10.3762/bjoc.21.90
Graphical Abstract
Figure 1: (A) Position numbering on the pyrazine ring of 1,2,4-triazolo[4,3-a]pyrazine. (B) Illustration of i...
Scheme 1: Treatment of 1 with phenethylamine (PEA) under two different reaction conditions, (i) or (ii), gave ...
Figure 2: Key COSY (–), HMBC (→) and ROESY (↔) correlations for compound 2.
Figure 3: Thermal ellipsoid plot of compound 2.
Scheme 2: Chemical structures, reagents and conditions used to synthesise the new aminated triazolopyrazines 2...
Figure 4: Thermal ellipsoid plots for compounds 7 (A), 10 (B) and 15 (C).