Abstract
Abstract An expanding field of interest in nuclear medicine is the preparation of radiopharmaceuticals labelled with cyclorrn produced isotopes of short half life.1–3 In an investigation to prepare 11C-labelled amino acids we developed a new and repid synthesis for the preparation of a-phenylglycine. The preparation of other amino acids by this route is under investigation. α-Lithiobenzylisocyande4 was treated with carbondioxyde and the intermediate was hydrolysed to the amino acid. The overall yield (75–808) was accomplished in 50–70 minutes.+
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