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. Author manuscript; available in PMC: 2009 Apr 15.
Published in final edited form as: Bioorg Med Chem. 2008 Feb 14;16(8):4661–4669. doi: 10.1016/j.bmc.2008.02.033

Scheme 2.

Scheme 2

Synthesis of anthracene derivative 4.a

a Reagents and conditions: (a) EtNO2, piperidinium acetate, 97%; (b) LiAlH4, 47%; (c) (CF3CO)2O, Et3N, 33%; (d) Bu4NBr3, HOAc, 82%; (e) NaOH, H2O/MeOH, 92%.