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Catalytic Asymmetric Protonation of α-Amino Acid-Derived Ketene Disilyl Acetals Using P-Spiro Diaminodioxaphosphonium Barfates as Chiral Proton

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journal contribution
posted on 08.09.2010, 00:00 by Daisuke Uraguchi, Natsuko Kinoshita, Takashi Ooi
Chiral diaminodioxaphosphonium salts have been developed and their unique abilities as a chiral proton have been revealed through the establishment of a highly enantioselective protonation of α-amino acid-derived ketene disilyl acetals.