Organic Letters 2010-07-02

Enantioselective Henry addition of methyl 4-nitrobutyrate to aldehydes. Chiral building blocks for 2-pyrrolidinones and other derivatives.

Gonzalo Blay, Víctor Hernández-Olmos, José R Pedro

文献索引：Org. Lett. 12(13) , 3058-61, (2010)

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摘要

A catalytic highly enantioselective Henry addition of methyl 4-nitrobutyrate to aldehydes using a Cu(II)-amino pyridine complex as catalyst is described. The products resulting from this reaction constitute a new, highly versatile family of chiral building blocks as a result of the presence of three different functional groups on the molecule. These products have been transformed into nonracemic chiral gamma-lactams, 5-hydroxy-5-substituted levulinic acid derivatives, and delta-lactones.

相关化合物

  • 2-吡咯烷酮
  • 甲基-4-硝基丁酸

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