SCHEDULED MAINTENANCE
New chiral monoaza-15-crown-5 derivatives and lariat ethers anellated to phenyl β-D-glucoside have been synthesized which show significant asymmetric induction as phase transfer catalysts in the Michael addition of 2-nitropropane to chalcone (84% ee) and in the Darzens condensation of phenacyl chloride with benzaldehyde (74% ee).
P. Bakó, K. Vizvárdi, Z. Bajor, K. Vizvárdi and L. Tõke, Chem. Commun., 1998, 1193 DOI: 10.1039/A802098A
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