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Synthesis of backbone 10. Reagents and conditions: a) NIS, DMSO, room temp., 18 h, 98 %. b) HCl, NaNO2, pyrrolidine, K2CO3, MeCN, H2O, 0 °C→room temp., 2.5 h, 90 %. c) 2‐chlorophenylboronic acid, K2CO3, (Ph3P)2PdCl2, toluene: EtOH 4:1, 80 °C, 18 h, 87 %. d) I2, MeCN, 100 °C, 4 h, 81 %. e) 3‐aminophenylboronic acid monohydrate, K2CO3, (Ph3P)2PdCl2, toluene: EtOH 4:1, 80 °C, 3.5 h, 89 %. f) pTsOH⋅H2O, MeCN, NaNO2, KI, MeCN, H2O, 10 °C→room temp., 16 h, 92 %.
