Synthesis of Triazolyl-Substituted 3-Aminopiperidines by Huisgen-1,3-Dipolar Cycloaddition - New Scaffolds for Combinatorial Chemistry

被引:19
|
作者
Schramm, Heiko [1 ]
Saak, Wolfgang [1 ]
Hoenke, Christoph [2 ]
Christoffers, Jens [1 ]
机构
[1] Carl von Ossietzky Univ Oldenburg, Inst Reine & Angew Chem, D-26111 Oldenburg, Germany
[2] Boehringer Ingelheim Pharma GmbH & Co KG, Abt Chem Forsch, D-88397 Biberach, Germany
关键词
Nitrogen heterocycles; Cycloaddition; Click reaction; Amines; STEREOSELECTIVE-SYNTHESIS; CLICK CHEMISTRY; PIPERIDINE; AZIRIDINES; EPOXIDES;
D O I
10.1002/ejoc.200901458
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Orthogonally N-protected (Boc and 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 NaN3 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 by single-crystal X-ray structure analysis of bromophenylsulfonyl derivatives.
引用
收藏
页码:1745 / 1753
页数:9
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