Skip to main content
. Author manuscript; available in PMC: 2010 Sep 15.
Published in final edited form as: Bioorg Med Chem. 2009 Jul 26;17(18):6699–6706. doi: 10.1016/j.bmc.2009.07.057

Scheme 3.

Scheme 3

Reagents: (a) (i) H5IO6/EtOAc, (ii) NaBH4/EtOH; (b) TsCl/C5H5N or MsCl/Et3N/CH2Cl2; (c) Hcy/NaOH/MeOH/H2O; (d) BocNHCH(CHCHSH)CO2t-Bu/LDA/DMF; (e) TFA; (f) TFA/H2O; (g) BCl3/CH2Cl2/MeOH.