Synthetic Communications p. 3755 - 3763 (2000)
Update date:2022-09-26
Topics:
Amedio J.C.
Van Wagenen G.
Zavlin
Gyorkos
Peterson
A preparation of DTPA carboxylic acid 1, a suitable intermediate in the synthesis of MRI contrast agents 2, is described starting from α-tert-butyl-β-benzyl-L-aspartate hydrochloride. In addition, an alternative procedure for the synthesis of bromide 3b is presented.
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(2000)