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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Chem Sci. 2016 Apr 4;7(7):4589–4593. doi: 10.1039/c6sc00172f

Figure 2.

Figure 2

Conjugation of 2-FPBA to peptides with N-terminal cysteines. a) The reaction scheme pf 2-FPBA and a tri-peptide CAL conjugation. b) 1H-NMR data demonstrating fast and clean conjugation between 2-FPBA and CAL. c) 11B-NMR illustrating the formation of a TzB complex.