Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The neurotoxic amino acid, β-cyano-L-alanine, has been synthesized by the dehydration of trityl-L-asparagine by means of dicyclohexylcarbodiimide and removal of the trityl group in 50% acetic acid. The racemate has been prepared analogously. ... Cookies are used by ...