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. Author manuscript; available in PMC: 2014 Feb 28.
Published in final edited form as: J Med Chem. 2013 Feb 18;56(4):1693–1703. doi: 10.1021/jm301774u

Scheme 4. Synthesis of Compounds 84 and 85a.

Scheme 4

aReagents and conditions: (a) EtOH, H2SO4 (con.), reflux; (b) PhB(OH)2, Pd(PPh4)3, Na2CO3 (2.0 M), THF, 65 °C; (c) MeI, acetone; (d) NaBH4, EtOH; (e) 10% KOH (H2O)/EtOH (1:1); (f) alcohols, EDCI, DMAP, CH2Cl2.