A Pd(II)-Catalyzed Ring-Expansion Reaction of Cyclic 2-Azidoalcohol Derivatives: Synthesis of Azaheterocycles
作者:Shunsuke Chiba、Yan-Jun Xu、Yi-Feng Wang
DOI:10.1021/ja9049564
日期:2009.9.16
A Pd(II)-catalyzed ring expansion-reaction of cyclic 2-azidoalcohol derivatives was found to proceed via an unprecedented C-C bond cleavage-C-N bond formation sequence, providing substituted azaheterocycles.
发现 Pd(II) 催化的环状 2-叠氮醇衍生物的扩环反应通过前所未有的 CC 键断裂-CN 键形成序列进行,提供取代的氮杂杂环。
Synthesis of Indole-Dihydroisoquinoline Sulfonyl Ureas via Three-Component Reactions
indoles in a 3-component reaction to generate a library of dihydroisoquinoline derivatives. Using a differential protecting group strategy, products could be further derivatised. Synthesis of isoquinoline starting materials using several different methods is also described. Isoquinolines activated with sulfamoyl chlorides were reacted with indoles in a 3-component reaction to generate a library of