期刊
TETRAHEDRON-ASYMMETRY
卷 15, 期 11, 页码 1809-1812出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2004.04.030
关键词
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1-(alpha-Pyrrolidinylbenzyl)-2-naphthol 2 is easily prepared in 95% yield using benzaldehyde, 2-naphthol and pyrrolidine in ethanol at 78 degreesC. It is resolved using inexpensive L-(+)-tartaric acid to obtain non-racemic samples that can be readily purified to enantiomeric purity through preparation of hydrogen bonded aggregates. The homochiral 1-(alpha-pyrrolidinylbenzyl)-2-naphthol 2 is useful in the resolution of racemic 2,2'-dihydroxy-1,1'-binaphthyl (BINOL) 3 via preparation of the corresponding diastereomeric borate complexes using B(OH)(3) (C) 2004 Elsevier Ltd. All rights reserved.
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