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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Organocatalytic asymmetric synthesis of polyfunctionalized 3-(cyclohexenylmethyl)-indoles via a quadruple domino Friedel-Crafts-type/Michael/Michael/aldol condensation reaction.

A new organocatalytic quadruple domino Friedel-Crafts-type/Michael/Michael/aldol condensation reaction has been developed. In this one-pot multi-component process acrolein, various indoles and nitroalkenes are used as starting materials. The diphenylprolinol TMS-ether catalysis provides a straightforward and efficient entry to 3-(cyclohexenylmethyl)-indoles bearing three stereogenic centers in moderate to excellent yields (23-82%) and excellent stereoselectivities (dr = 91 : 9 to >95 : 5, ee = 94 to >99%).[1]

References

  1. Organocatalytic asymmetric synthesis of polyfunctionalized 3-(cyclohexenylmethyl)-indoles via a quadruple domino Friedel-Crafts-type/Michael/Michael/aldol condensation reaction. Enders, D., Wang, C., Mukanova, M., Greb, A. Chem. Commun. (Camb.) (2010) [Pubmed]
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