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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Bioorg Med Chem Lett. 2012 Jul 6;22(17):5685–5688. doi: 10.1016/j.bmcl.2012.06.098

Scheme 2.

Scheme 2

(a) NaN(TMS)2, THF, 0 °C, then 4-MeO-PhC(O)Cl, 0 °C to rt (80%); (b) NaN(TMS)2, THF, 0 °C, then MeI, 0 °C to rt (91%); (c) NH2NH2·xH2O, DCM, 4Å molecular sieves (52%); (d) MeC(O)Cl, DCM, −78 °C, then NaBH(OAc)3, −78 °C to rt (95%).