ChemInform Abstract: Diastereodivergent Asymmetric Michael Addition of Cyclic Azomethine Ylides to Nitroalkenes: Direct Approach for the Synthesis of 1,7-Diazaspiro[4.4]nonane Diastereoisomers.
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- 作者：Chun-Yan Li ; Wu-Lin Yang ; Xiaoyan Luo and Wei-Ping Deng
- 关键词：pyrrole derivatives ; diastereoselective syntheses ; enantioselective syntheses (incl. cis/trans-isomerism) ; spirocyclic compounds (heterocyclic compounds) ; ring closure reactions ; annulation reactions ; catalysis ; phase-transfer catalysis
- 刊名：ChemInform
- 出版年：2016
- 出版时间：April, 2016
- 年：2016
- 卷：47
- 期：19
- 全文大小：39K
- ISSN：1522-2667
文摘
A highly diastereoselective and enantioselective catalytic Michael addition of cyclic azomethine ylides with nitro alkenes selectively affords either the syn or anti Michael adducts depending on the ligand used in the copper catalytic system.