“…The yield of amine, which was used without purification, was (0.1 7 g, 50%). (13). Allylation of the above amino compound (0.15 g, 0.74 mmol) using allyl bromide and potassium carbonate in DMF (10 ml) as previously described for the unlabelled compound, gave the 'N-labelled 2-allylamino derivative (0.07 g, 40%) after chromatography.…”