A method for determining absolute configuratiom of β-amino acids by CD spectra of their DNP derivatives |
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| Authors: | Ukon Nagai Masao Kawai Takashi Yamada Shigeru Kuwata Hiroshi Watanabe |
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| Institution: | Mitsubishi-Kasei Institute of Life Sciences, 11-Minamiooya, Machida-shi, Tokyo, 194, Japan;Faculty of Sciences, Konan University, Okamoto, Higashinada-ku, Kobe, 658, Japan |
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| Abstract: | Aromatic β-amino acids were converted to the Dnp derivatives, and aliphatic ones to Dnp-pMA derivatives. The sign of the Cotton effect near 400 nm reflected the configuration at the β-position without exception. Thus, the relation seems to afford a new reliable method for determining the absolute configuration of β-amino acids. |
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