Preparation of labeled aromatic amino acids via late-stage 18 F-fluorination of chiral nickel and copper complexes

Chemical Communications : Chem Comm
Austin CraigBoris D Zlatopolskiy

Abstract

A general protocol for the preparation of 18F-labeled AAAs and α-methyl-AAAs applying alcohol-enhanced Cu-mediated radiofluorination of Bpin-substituted chiral complexes using Ni/Cu-BPX templates as double protecting groups is reported. The chiral auxiliaries are easily accessible from commercially available starting materials in a few synthetic steps. The versatility of the method was demonstrated by the high-yielding preparation of a series of [18F]F-AAAs and the successful implementation of the protocol into automated radiosynthesis modules.

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Citations

Sep 27, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Raisa N Krasikova

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