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. Author manuscript; available in PMC: 2012 Dec 15.
Published in final edited form as: Bioorg Med Chem Lett. 2011 Oct 13;21(24):7426–7430. doi: 10.1016/j.bmcl.2011.10.011

Scheme 4.

Scheme 4

Reagents and conditions: (a) MsCl, Et3N, CH2Cl2; (b) Amine Side Chain, NaH, DMF; (c) HCl, MeOH; (d) BzCl, Pyd; (e) PBr3, Toluene; H2O; (f) Amine Side Chain, NaH, DMF; (g) NaOH.