摘要 |
<p>There is provided a method for resolving a compound of formula (III), in the cis configuration: There is also provided a process for producing optically active compound of formula (I) or (II): wherein: R<sub>1</sub>, R<sub>2</sub>, R<sub>3</sub> are as defined herein, the method and process involving the production, recovery and conversion of diastereomeric salts.</p> |