Synthesis of Triazolyl-Substituted 3-Aminopiperidines by Huisgen-1,3-Dipolar Cycloaddition - New Scaffolds for Combinatorial Chemistry
作者:Heiko Schramm、Wolfgang Saak、Christoph Hoenke、Jens Christoffers
DOI:10.1002/ejoc.200901458
日期:2010.3
Cbz) 4-(1,2,3-triazol-4-yl)-substituted 3-aminopiperidines are new scaffolds for combinatorial chemistry. They were prepared from a piperidine building block by a sequence of nucleophilic aziridine ring opening with NaN 3 and subsequent copper-catalyzed Huisgen 1,3-dipolar cycloaddition with ten different alkynes. Constitution and relative configuration of the major as well as minor products were established
正交 N 保护(Boc 和 Cbz)4-(1,2,3-triazol-4-yl)-取代的 3-氨基哌啶是组合化学的新支架。它们是由哌啶结构单元通过一系列亲核氮丙啶开环与 NaN 3 和随后铜催化的 Huisgen 1,3-偶极环加成与十种不同的炔烃制备的。通过溴苯磺酰基衍生物的单晶X射线结构分析,确定了主要和次要产物的组成和相对构型。