反应详情

4-Acetylthioazetidin-2-one (Annalen, 1974, p. 553) (1.4 g) and allyl glyoxylate hydrate (1.5 g) are refluxed for 2 hours in benzene to afford a solution of 1-(allyloxycarbonylhydroxymethyl)-4-acetylthioazetidin-2-one which is cooled and used directly in the next step.