V. Tolman, J. Cabak, J. Beneš
1974
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Journal
Journal of Labelled Compounds and Radiopharmaceuticals
Abstract
Ethyl esters of 2-cyanoacetic, 3-cyanopropionic and 4-cyanobutyric acids - 14CN were prepared by reaction of the appropriate halogenated esters with potassium cyanide-14C. Conversion of these cyanoesters into iminoether hydrochlorides and subsequent thermal decomposition gave ethyl esters of malonamic, succinamic and glutaramic acids -14CONH2.