Synthesis of Opically Active 3-Morpholinecarboxylic Acid and Tetrahydro-2<i>H</i>-1,4-thiazine-3-carboxylic Acid
作者:Yuji Kogami、Kenji Okawa
DOI:10.1246/bcsj.60.2963
日期:1987.8
A convenient synthesis of optically active 3-morpholinecarboxylic acid and its thio analogue, tetrahydro-2H-1,4-thiazine-3-carboxylic acid, has been developed. These intermediates were obtained by reaction of benzyl (S)-N-benzyloxycarbonyl-2-aziridinecarboxylate and its enantiomer with 2-chloroethanol or 2-chloroethanethiol, respectively.
现已开发出一种简便的光学活性
3-吗啉羧酸及其
硫代类似物--
四氢-2H-1,4-噻嗪-3-
羧酸的合成方法。这些中间体是由 (S)-
N-苄氧羰基-
2-氮丙啶羧酸苄酯及其对映体分别与
2-氯乙醇或
2-氯乙硫醇反应得到的。