Enantioselective rhodium-catalyzed [4+2+2] cycloaddition of dienyl isocyanates for the synthesis of bicyclic azocine rings.
Enantioselective rhodium-catalyzed [4+2+2] cycloaddition of dienyl isocyanates for the synthesis of bicyclic azocine rings.
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DOI:
10.1021/ja906641d
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发表时间:
2009-09-23
影响因子:
15
通讯作者:
Rovis, Tomislav
中科院分区:
文献类型:
--
作者:
Yu, Robert T.;Friedman, Rebecca Keller;Rovis, Tomislav
A highly enantioselective rhodium-catalyzed [4+2+2] cycloaddition of terminal alkynes and dienyl isocyanates has been developed. The cycloaddition provides a rapid entry to highly functionalized and enantioenriched bicyclic azocines. This reaction represents the first [4+2+2] cycloaddition strategy to construct nitrogen-containing eight-membered rings.
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