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Beilstein J. Org. Chem. 2025, 21, 483–489, doi:10.3762/bjoc.21.35
Graphical Abstract
Scheme 1: A) Chemical structures of hypermodified nucleobase queuine and nucleoside queuosine (Q) occurring a...
Scheme 2: Three-step syntheses of preQ1 (1) and DPQ1 (2). For the synthesis of m6preQ1 (16) see Supporting Information File 1.
Scheme 3: Syntheses of haloalkyl- and mesyloxyalkyl-modified preQ1 as and DPQ1 ligands.
Beilstein J. Org. Chem. 2021, 17, 2295–2301, doi:10.3762/bjoc.17.147
Scheme 1: Chemical structures of queuine (Q base) and the hypermodified nucleoside queuosine (Q), the natural...
Scheme 2: Synthesis of compound 1 (m6preQ0) by cyclocondensation using a 4-methoxypyrimidine derivative resul...
Scheme 3: Synthesis of compound 3 following known procedures [31-33].
Scheme 4: The five-step synthesis of m6preQ1 2 from compound 3 required derivatization to make the intermedia...
Scheme 5: The synthesis of e6preQ1 (2a) and bn6preQ1 (2b) was performed in analogy to the route outlined in Scheme 4 ...