MechanismDeuterium NMR spectroscopy( E)-2-[2,3- 2H 2]propenyl glucosinolate was synthesised starting from ( E)-[3,4- 2H 2]but-3-en-1-ol, which was produced by reduction of but-3-yn-1-ol with deuterium gas in the presence of Lindlar's catalyst. The synthesis of ( E)-2-[2,3-...