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Communication | Special issue | Vol 10, No. 1, 1978, pp.247-250
Published online, 1st January, 1970
DOI: 10.3987/S-1978-01-0247
Synthesis of Tritium and of Deuterium Labelled Pteridines of High Activity

Heinz Rembold* and Günter Hennings

*Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Gottingen, Germany


2,4-Diamino-6,7-dimethylpteridine and 2-amino-4-hydroxy-6,7-dimethylpteridine were synthetized with high specific 3H and 2D labelling in the 6,7- and the 7-methyl groups. The isotopes are stable in these positions. No HT- or HD-exchange could be observed.