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Synthetic Scheme for the Late-Stage modification of Atosiban (A) and Cyclo-RGDf (B) Peptides for Photochemical Homologation and Cyclizations
Concentrations and equivalents are based on resin loading. a Conversion determined by acylation and crude HPLC. b Crude HPLC yields are reported and obtained by standard curves based on quantitative 1H NMR. c Isolated yields reported.
