期刊
TETRAHEDRON LETTERS
卷 44, 期 3, 页码 611-614出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(02)02583-2
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Atropisomeric 5,6-disubstituted-3,4-dihydro-1H-pyridin-2-ones have been synthesized stereoselectively from chiral imines through a Michael reaction and a subsequent stereoselective azacyclization. A thermal study has shown that epimerization of the chiral axis can not take place even at high temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.
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