Scheme 1.
Synthesis of PEGtide dendrons: (A) G1.0; and (B) G2.0-5.0. The dendrons were synthesized using Fmoc SPPS using following components: Fmoc-Lys(5-FAM)-OH; Fmoc-Lys(Fmoc)-OH; Fmoc-β-Ala-OH; and Fmoc-dPEG6-OH.
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