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. 2019 May 15;27(13):2883–2892. doi: 10.1016/j.bmc.2019.05.019

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Scheme 11 — Reagents and conditions: a. bis(tributyltin), Pd(PPh₃)₂Cl₂, 1,4-dioxane, 120 °C, 18 h; b. BBr₃, CH₂Cl₂, rt, 48 h; c. NH₃, CH₃OH, 120 °C, 72 h; d. POCl₃, reflux, 18 h; e. ADA.