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. Author manuscript; available in PMC: 2013 Aug 23.
Published in final edited form as: J Med Chem. 2012 Aug 13;55(16):7141–7153. doi: 10.1021/jm300603y

Scheme 4.

Scheme 4

Synthesis of compounds with various RHS bicyclic aromatic groups.a

a Reagents and conditions: (a) K2CO3, EtOH, reflux, 6 h, 30–80%; (b) NaI/K2CO3, CH3CN, reflux, 6 h, 40–70%.