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. Author manuscript; available in PMC: 2012 Sep 15.
Published in final edited form as: Bioorg Med Chem Lett. 2011 Jul 14;21(18):5347–5352. doi: 10.1016/j.bmcl.2011.07.026

Scheme 3.

Scheme 3

Reagents and conditions: (a) N-(3-bromopropyl)-phthalimide, Cs2CO3, DMF, rt, 34%; (b) hydrazine hydrate, MeOH, CH2Cl2, rt, 64%; (c) FITC, Et3N, DMF, rt, 12 h, 74%; (d) NBD-Cl, Et3N, DMF, rt, 12 h, 42%.