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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Eur J Med Chem. 2011 Oct 20;47C:86–96. doi: 10.1016/j.ejmech.2011.10.025

Scheme 2.

Scheme 2

Synthesis of compounds 6, 7, 10–24. Reagents and conditions. (i) K3Fe(CN)6, (DHQ)2PYR, K2OsO2(OH)4, K2CO3, methanesulfonamide, t-butanol/H2O, 0 °C; (ii) (S)-camphanoyl chloride, DMAP, CH2Cl2, rt.