Figure 1.
Directed disulfide bond formation in iRGD peptide with a third cysteine. (a) t-Butylphosphine in NMP:water (9:1), (b) 2,2-dithiobis(5-nitropyridine) (DTNP) in DCM, (c) 1% TFA in DCM, and (d) 95:2.5:2.5.
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