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Enantioselective Syntheses of α-Fmoc-Pbf-[2-13C]-l-arginine and Fmoc-[1,3-13C2]-l-proline and Incorporation into the Neurotensin Receptor 1 Ligand, NT8−13
Chuanjun Song†, Satita Tapaneeyakorn‡, Annabel C. Murphy†, Craig Butts†, Anthony Watts‡ and Christine L. Willis
J. Org. Chem., 2009, 74 (23), pp 8980–8987
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dx.doi.org/10.1021/jo9014497