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. Author manuscript; available in PMC: 2013 Sep 19.
Published in final edited form as: Mini Rev Med Chem. 2008 Jun;8(6):538–554. doi: 10.2174/138955708784534418

Scheme 5.

Scheme 5

Reagents: i. BuLi, THF, −78 °C; ii. MnO2, CH2Cl2, RT; iii. H2, Pd-C; iv. PhCO.Cl, PhNMe2, RT; v. NaH, THF, Reflux; vi. NaOH, MeOH, heat; vii. POCl3, Reflux; viii. H2, Pd-C, EtOH.