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Synlett 2000; 2000(12): 1828-1830
DOI: 10.1055/s-2000-8705
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Chemoselective Imino Aldol Reaction Promoted by a Cation-Exchange Resin

Makoto Shimizu* , Susumu Itohara
  • *Department of Chemistry for Materials, Mie University, Tsu, Mie 514-8507, Japan; Fax +81-59-231-9413; E-mail: mshimizu@chem.mie-u.ac.jp
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Publikationsdatum:
31. Dezember 2000 (online)

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In the presence of a cation-exchange resin, imino aldol reactions of ketene silyl acetals with imines proceeded smoothly to give β-amino esters in good yields. Chemoselectivity between two kinds of imines and/or nucleophiles was also examined in detail.

cation-exchange resin - imino aldol reaction - ketene silyl acetal - imine - β-amino ester