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. Author manuscript; available in PMC: 2012 Apr 15.
Published in final edited form as: Bioorg Med Chem. 2011 Mar 12;19(8):2603–2614. doi: 10.1016/j.bmc.2011.03.013

Scheme 1.

Scheme 1

Synthesis of PU-H71 beads (6).

Reagents and conditions: (a) Cs2C03, 1,3-dibromopropane, DMF, rt; (b) NH2(CH2)6NHBoc (3), DMF, rt, 24h; (c) TFA, CH2C12, rt; (d) Affigel-10, DIEA, DMAP, DMF.