Improved Stereoselectivity in Intramolecular S<sub>N</sub>2′ Cyclization through Use of Mechanistic Principles
作者:Ki Park、Woo Seo、Marcus Curtis-Long、Seong Jeong、Tae Jun、Min Yang
DOI:10.1055/s-2006-958956
日期:2007.1
Valine and alanine were converted into the corresponding α-hydroxy-β-amino acids through intramolecular S N 2' cyclization. The novel cyclization protocol relied upon the use of N-benzyl-protected carbamates derived from α-amino acids.
缬氨酸和丙氨酸通过分子内SN 2' 环化转化为相应的α-羟基-β-氨基酸。新的环化方案依赖于使用衍生自 α-氨基酸的 N-苄基保护的氨基甲酸酯。