Synthesis of enantiopure 7-azanorbornane proline–α-amino acid chimeras by highly efficient HPLC resolution of a phenylalanine analogue
作者:Ana M. Gil、Elena Buñuel、Pilar López、Carlos Cativiela
DOI:10.1016/j.tetasy.2003.12.008
日期:2004.3
4S)-2-phenyl-7-azabicyclo [2.2.1]heptane-1-carboxylic acid hydrochlorides, which are proline–phenylalanine chimeras, have been separately obtained by resolution of a key intermediate using chiral high performance liquid chromatography. The efficiency of the chromatographic resolution provides a general methodology for the preparation of both enantiomers of a broad variety of proline–α-amino acid chimeras with a
对映体纯的构象受限的脯氨酸(1 S,2 S,4 R)-和(1 R,2 R,4 S)-2-苯基-7-氮杂双环[2.2.1]庚烷-1-羧酸盐酸盐,它们是脯氨酸-苯丙氨酸嵌合体,是通过使用手性高效液相色谱拆分关键中间体而单独获得的。色谱分离的效率为制备具有7-氮杂降硼烷骨架的多种脯氨酸-α-氨基酸嵌合体的两种对映异构体提供了一种对映体纯形式的通用方法。