cis-2,5-Diaminobicyclo[2.2.2]octane, a New Scaffold for Asymmetric Catalysis via Salen鈭扢etal Complexes
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- 作者：James D. White ; Subrata Shaw
- 刊名：Organic Letters
- 出版年：2011
- 出版时间：May 6, 2011
- 年：2011
- 卷：13
- 期：9
- 页码：2488-2491
- 全文大小：729K
- 年卷期：v.13,no.9(May 6, 2011)
- ISSN：1523-7052
文摘
A new C2 symmetric salen scaffold based on cis-2,5-diaminobicyclo[2.2.2]octane has been synthesized that forms complexes with a wide range of metals. The chromium(III) complex is shown to catalyze the hetero-Diels鈭扐lder reaction and the Nozaki鈭扝iyama鈭扠ishi reaction with high efficiency and excellent stereoselectivity.