Facile Preparation of Highly Enantioenriched 1,4-Benzothiazin-3-ones by the Substitution of α-Bromoacetate with 2-Aminothiophenol
作者:Yong Sun Park、Ji Su Lee、So Jeong Lee、Gun Hee Han
DOI:10.1055/a-2004-1529
日期:——
A simple and convenient approach for highly enantioenriched 2-substituted 1,4-benzothiazin-3-ones was developed via the nucleophilic substitution of α-bromoacetates derived from either l-threonate or l-serinate using 2-aminothiophenol and a subsequent facile lactamization.
一种简单方便的方法用于高度对映体富集的 2-取代 1,4-benzothiazin-3-ones 通过亲核取代 α-bromoacetates 来开发升-苏糖酸或升-使用 2-氨基苯硫酚和随后的易内酰胺化进行丝氨酸盐化。