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. 2022 Nov 29;18:1617–1624. doi: 10.3762/bjoc.18.172

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Copyright © 2022, Bereiter et al.

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Scheme 5 — 1-Deazahypoxanthine (30) synthesis described by Kubo and Hirao in 2019 [29]. For reason of simplicity only one regioisomer of the N7/N9 benzyl compound mixtures is shown.