Racemic structures of organic ammonium salts of N-acetyl-DL-2-aminobutyric acid and N-acetyl-DL-norvaline and optical resolution by preferential crystallization of …
…, H Yoshida, M Tsuda, H Kurokawa
Index: Shiraiwa, Tadashi; Yoshida, Hirokazu; Tsuda, Makoto; Kurokawa, Hidemoto Bulletin of the Chemical Society of Japan, 1987 , vol. 60, # 3 p. 947 - 952
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Citation Number: 5
Abstract
The racemic structures of the ammonium salts (AM salts) and seven organic ammonium salts of N-acetyl-DL-2-aminobutyric acid (DL-AcAbu) and N-acetyl-DL-norvaline (DL-AcNva) were studied on the basis of thermodynamic analyses to explore the possibility of optical resolution by preferential crystallization. An empirical equation has been derived from thermodynamic data at melting points of ammonium and organic ammonium salts of N- ...
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