反应详情

The reaction mixture containing (R)-4-cyano-3-hydroxybutyric acid sodium salt was acidified to pH 1 with concentrated sulfuric acid. The reaction mixture was condensed, dissolved in ethanol and filtered. The filtrate was concentrated to give (R)-4-cyano-3-hydroxybutyric acid which was used for esterification without further purification.

1. customcondensed
2. filtrationfiltered
3. concentrationThe filtrate was concentrated