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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Bioorg Med Chem. 2014 Jun 16;22(15):3971–3981. doi: 10.1016/j.bmc.2014.06.004

Figure 10.

Figure 10

Synthesis of 30

(a) bromoacetyl bromide, Et3N, DCM, 0 °C; (b) 2,5-dimethoxybenzylamine, 0 °C-r.t.; (c) Boc2O, Et3N, cat. DMAP, DCM, 24% (3 steps); (d) CAN, MeCN/H2O; (e) TFA, DCM, 36% (2 steps).