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Synfacts 2010(9): 1026-1026  
DOI: 10.1055/s-0030-1257942
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart ˙ New York

Asymmetric Roskamp Reaction of α-Alkyl-α-diazoesters and Aromatic Aldehydes

Contributor(s): Hisashi Yamamoto, Kimberly Griffin
W. Li, J. Wang, X. Hu, K. Shen, W. Wang, Y. Chu, L. Lin, X. Liu, X. Feng*
Sichuan University, Chengdu, P. R. of China
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Publication History

Publication Date:
23 August 2010 (online)

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Significance

The authors report herein the first catalytic asymmetric Roskamp reaction of α-alkyl-α-diazoesters with aldehydes using a chiral scandium catalyst. While rearrangements can sometimes be observed during this reaction, this scandium complex neatly catalyzes the reaction to give α-alkyl-β-keto esters with no formation of side products.