期刊
TETRAHEDRON LETTERS
卷 47, 期 2, 页码 193-196出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2005.10.156
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Optically pure trans-cyclobutane analogues of glutamic acid are prepared by highly selective enzymatic transamination of a single racemic trans-cyclobutane alpha-ketoglutaric acid derivative 5, which is synthesized in five steps from maleic anhydride. (2S,1'R,2'R)- and (2S,I'S,2'S)-2-(2'-carboxycyclobutyl)glycines L-CBG-II and L-CBG-I are obtained using aspartate aminotransferase (AAT) and branched chain aminotransferase (BCAT), respectively. (c) 2005 Elsevier Ltd. All rights reserved.
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