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Second-generation synthetic route to aminopyrazole resorcylate amides Conditions: a) CH3I, K2CO3, DMF, 80 °C; b) 10, Pd2(dba)3 (4 mol%), Xantphos (10 mol%), NaOPh; c) KOH, EtOH, 95 °C; d) HNR4R5, HATU, Et3N, CH2Cl2/THF, RT or HNR4R5, PS-CDI, HOBt•xH2O, Et3N, THF/CH2Cl2; e) HCl, methanol, 50 °C.
