Optical resolution by preferential crystallization of (RS)-α-amino-γ-butyrolactone hydrochloride

DOI: 10.1248/cpb.44.2322

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 2322 - 2325 (1996)

Update date:2022-08-11

Topics:

Authors:

Shiraiwa, Tadashi

Miyazaki, Hideya

Ohta, Atsushi

Waki, Yukitaka

Yasuda, Masahiro

Morishita, Toshimitsu

Kurokawa, Hidemoto

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Article abstract of DOI:10.1248/cpb.44.2322

(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.

Full text of DOI:10.1248/cpb.44.2322

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