Chemical and Pharmaceutical Bulletin p. 2322 - 2325 (1996)
Update date:2022-08-11
Topics:
Shiraiwa, Tadashi
Miyazaki, Hideya
Ohta, Atsushi
Waki, Yukitaka
Yasuda, Masahiro
Morishita, Toshimitsu
Kurokawa, Hidemoto
(RS)-α-Amino-γ-butyrolactone hydrochloride [(RS)-ABL·HCl] was found to exist as a conglomerate based on the infrared spectrum, solubility, and melting point. Optical resolution by preferential crystallization of (RS)-ABL·HCl was achieved to yield (R)- and (S)-ABL·HCl. The obtained (R)- and (S)-ABL·HCl were recrystallized, taking into account the solubility of (RS)-ABL·HCl to give optically pure (R)- and (S)-ABL·HCl.
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