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. Author manuscript; available in PMC: 2014 Mar 15.
Published in final edited form as: Bioorg Med Chem Lett. 2013 Jan 30;23(6):1612–1616. doi: 10.1016/j.bmcl.2013.01.106

Scheme 2.

Scheme 2

a) Dimethylamine hydrochloride, K2CO3, DMSO:H2O (2.5:1), 110°C, overnight, 82%; b) CH3OTf, CH2Cl2, N2, rt, overnight, 71%; c) [18F]F−-Kryptofix-2.2.2; d) CH3NOS, NH4OAc, MeOH/AcOH; e) BH3/LAH; f) 48% HBr; g) CNBr (5.0M in CH3CN); h) NH4Br/NH4OH.