Enantioselective catalytic carbonyl-ene cyclization reactions

被引:63
|
作者
Grachan, Melissa L. [1 ]
Tudge, Matthew T. [1 ]
Jacobsen, Eric. N. [1 ]
机构
[1] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA
关键词
aldehydes; asymmetric catalysis; chromium; cyclization; ene reaction;
D O I
10.1002/anie.200704439
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Intramolecular ene reactions of simple alkenyl aldehydes are catalyzed by a chiral (Schiff base)CrIII complex with high enantio-and diastereoselectivity, affording densely functionalized heterocyclic or carbocyclic products (see scheme for example). Desymmetrizations of alkenyl dialdehydes and bis(alkenyl) aldehydes are also achieved. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:1469 / 1472
页数:4
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