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. Author manuscript; available in PMC: 2012 Aug 11.
Published in final edited form as: ACS Med Chem Lett. 2011 Aug 11;2(8):620–625. doi: 10.1021/ml200100t

Scheme 1.

Scheme 1

Synthesis of compounds 12 and 13. Conditions and reagents: (i) 2-naphthoyl chloride, trans-4-aminocyclohexanol, triethylamine, DCM; (ii) PCC, DCM, RT, 12 hr; (iii) allylmagnesium bromide, THF, -78 °C, 2 hr; (iv) OsO4, NaIO4, THF-H2O, RT, 30 min; (v) 22, NaBH(OAc)3, CH3CO2H, DCM; (vi) 23, NaBH(OAc)3, CH3CO2H, DCM.