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. Author manuscript; available in PMC: 2012 Dec 8.
Published in final edited form as: J Med Chem. 2011 Nov 9;54(23):8207–8213. doi: 10.1021/jm2012003

Scheme 2.

Scheme 2

Synthesis of chemical probes 5–8. Conditions: a) dansyl chloride, DMAP, pyridine, 29%; b) N-Boc-1,3-propanediamine, NaBH(OAc)3, dichloroethane, 95%; c) 4N HCl, dioxane; d) dansyl chloride, triethylamine, dichloromethane, 8% over two steps; e) dansyl chloride, DMAP, pyridine, 14%; f) 1-(hydroxymethyl)cyclohexanol, camphor sulfonic acid, dichloromethane, 72%.