Journal
TETRAHEDRON LETTERS
Volume 42, Issue 20, Pages 3483-3486Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(01)00470-1
Keywords
azetidinones; pyridones; piperidines
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Chiral 5,6-disubstituted-5,6-dihydro-2(1H)-pyridones were prepared efficiently from readily accessible 3,4-disubstituted-2-azetidinones having preadjusted substituents and stereochemistry through the reductive ring opening of 2-azetidinones followed by Z-selective installation of acetate moiety and re-cyclization to 2-pyridones. (C) 2001 Elsevier Science Ltd. All rights reserved.
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