3-Methanesulfonyloxypropyl tertiary amines were observed to cyclize to form azetidinium methanesulfonate moieties. Heat-induced cyclization of 3-methanesulfonyloxypropyl amines was utilized for preparation of azetidinium methanesulfonates. The azetidinium methanesulfonates were found to incorporate radioactive [18F]fluoride (decay-corrected yields >60%) efficiently, resulting in an efficient synthesis of 3-[18F]fluoropropyl tertiary amines. Copyright © 2004 John Wiley & Sons, Ltd.
观察到 3-
甲磺酰氧基丙基叔胺环化形成
甲磺酸氮杂
环丁烷。利用 3-
甲磺酰氧基丙胺的热诱导环化反应制备了氮杂
环丁烷甲磺酸盐。研究发现,氮杂
环丁烷甲烷磺酸盐能有效地结合放射性[18F]
氟化物(衰变校正产率大于 60%),从而高效合成了 3-[18F]fluoropropyl tertiary amines(3-[18F]
氟丙基叔胺)。Copyright © 2004 John Wiley & Sons, Ltd. All Rights Reserved.