1966 年 14 巻 5 号 p. 445-453
Preparation of 14-hydroxy-halo-codides (II, III), the reactions of II or III with pyrrolidine, and the acetolysis of II, III, or 14-acetoxycodeine 6-tosylate (XVI) were described with regard to steric effects of the 14β-hydroxyl group on these reactions.