反应详情

Dissolve 33.1 g (0.2 mol) of N-[(E)-2,4-pentadienyl]-N-(2-propenyl)-acetamide (title compound from Example A.3.) in 200 ml of xylene, introduce a vigorous stream of nitrogen for 15 min, add 0.1 g of 4-hydroxyanisole, then heat to reflux overnight and distil in a high vacuum.