Diastereopure Preparation of α-Benzotriazolyl 1-Azacycloalka[2,1-<i>b</i>][1,3]-oxazines and their Application as Versatile Chiral Precursors
作者:Yuefei Hu、Xuenong Xu、Jun Lu、Rui Li、Zongming Ge、Yanmei Dong
DOI:10.1055/s-2003-43353
日期:——
A group of diastereopure α-benzotriazolyl 1-azacycloalka[2,1-b][1,3]oxazines were prepared from non-racemic Betti base and they were employed as the versatile precursors for the preparation of chiral ligands and chiral substituted azacyclics with significant advantages in the stereoselectivity.
制备了一组非外消旋的贝蒂碱衍生的立体纯α-苯并三氮唑基1-氮杂环烷[2,1-b][1,3]恶嗪。这些化合物被用作制备手性配体和手性取代氮杂环化合物的前体,具有显著的立体选择性优势。