Phosphorodiamidic Acid as a Novel Structural Motif of Brønsted Acid Catalysts for Direct Mannich Reaction of N-Acyl Imines with 1,3-Dicarbonyl Compounds

Masahiro Terada*, Keiichi Sorimachi, Daisuke Uraguchi

*Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan, Email: mteradamail.tains.tohoku.ac.jp

M. Terada, K. Sorimachi, D. Uraguchi, Synlett, 2006, 133-136.

DOI: 10.1055/s-2005-922783

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Abstract

Achiral and chiral phosphorodiamidic acids were developed as efficient Brønsted acid catalysts for the direct Mannich reaction of N-acyl imines with 1,3-dicarbonyl compounds.

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Key Words

organocatalysis, Mannich reaction, active methylene compounds, green chemistry, asymmetric catalysis, imines

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ID: J60-Y2006-4190