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. Author manuscript; available in PMC: 2011 Aug 2.
Published in final edited form as: J Med Chem. 2009 Aug 27;52(16):5228–5240. doi: 10.1021/jm900611t

Scheme 4.

Scheme 4

Reagents and conditions: (a) ClCO2Me, K2CO3, dioxane/H2O (1:1), 0 ºC, 1 h; (b) LiAlH4, THF, reflux, 1 h; (c) o-toluic acid, EDCI, HOBT, DIPEA, DMF, 23 ºC, 16 h; (d) 7, EDCI, HOBT, DIPEA, DMF, 23 ºC, 16 h; (e) TFA, CH2Cl2, 23 ºC, 2 h.