P-chirogenic organocatalysts: application to the aza-Morita–Baylis–Hillman (aza-MBH) reaction of ketimines
Chemical Communications2013Vol. 49(75), pp. 8392–8392
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Shinobu Takizawa, Emmanuelle Rémond, Fernando Arteaga Arteaga, Yasushi Yoshida, Vellaisamy Sridharan, Jérôme Bayardon, Sylvain Jugé, Hiroaki Sasai
Abstract
The P-chirogenic organocatalysts were found to promote the enantioselective aza-Morita-Baylis-Hillman reaction of ketimines derived from acyclic α-keto esters. In the P-chirogenic organocatalyzed aza-MBH reactions, α,α-disubstituted α-amino acid derivatives were obtained in high yields with high enantioselectivities (up to 97% ee).
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