Efficient synthesis of new tetradentate ligands with potential applications for 64Cu PET-imaging

We wish to report the synthesis of new tetradentate ligands in less than 3 h in good to excellent yields from a commercially available compound using microwave-assisted technology. First tests of complexation showed a high ability of these ligands to chelate 64Cu(II) in very diluted medium. These new systems have the potential to be used for nuclear medicine and particularly for PET-imaging.

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