申请人:Bristol-Myers Squibb Co.
公开号:US06166227A1
公开(公告)日:2000-12-26
The glycinamide of the formula (I) ##STR1## is reacted with the dioxolane of the formula (II) ##STR2## wherein L is a leaving group such as iodo, bromo, alkylsulfonyloxy, or arylsulfonyloxy to give the dioxolane of the formula (III) ##STR3## Treatment of (III) gives the dioxolane pentanoic acid IV ##STR4## which can be converted to (S)-2-amino-6,6-dimethoxyhexanoic acid, methyl ester.
将式(I)的甘氨酰胺与式(II)的二氧兰反应,其中L是离去基团,如碘、溴、烷基磺酰氧或芳基磺酰氧,得到式(III)的二氧兰。处理(III)得到二氧兰戊酸IV,可以转化为(S)-2-氨基-6,6-二甲氧基己酸甲酯。