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. Author manuscript; available in PMC: 2023 May 24.
Published in final edited form as: Eur J Med Chem. 2022 Jul 22;241:114623. doi: 10.1016/j.ejmech.2022.114623

Scheme 1.

Scheme 1.

Synthesis of hit compound 11 and 12a

aReaction conditions: (a) HCl, H2O, rt; (b) aqueous ammonia, rt; (c) N-(4-(2-bromoacetyl)phenyl)acetamide, EtOH, reflux; (d) H2SO4, EtOH, reflux; (e) acetylchloride, DMF, 0 °C to rt.