Process for stereospecific hydrolysis of piperidinedione derivatives

A process for stereospecifically hydrolysing a mixture of the (+) and (−) isomers of a compound of formula (II), in which R is C 1-6 alkyl; using a carboxyl esterase enzyme, (I) to form a compound of formula (IIIA), and thereafter separating the resulting compound of formula (IIIA) from the remainin...

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Bibliographische Detailangaben
Hauptverfasser: Powell, Lawson, Curzons, Alan, Keay, Alan
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for stereospecifically hydrolysing a mixture of the (+) and (−) isomers of a compound of formula (II), in which R is C 1-6 alkyl; using a carboxyl esterase enzyme, (I) to form a compound of formula (IIIA), and thereafter separating the resulting compound of formula (IIIA) from the remaining (−) isomer of formula (II); or (ii) to form a compound of formula (IIIB) and thereafter separating the resulting compound of formula (IIIB) from the remaining (+) isomer of formula (II).