Sodium 6- D (―)[-α-(4-hydroxy-1,5-naphtthydridine-3-carboxyamido) phenylacetamido] penicillanate or the derivative thereof bearing alydroxylgroup at the p-position of the phenyl group in a crude state can be purified efficiently through the reaction with dimethyl-sulfoxide in a liquid medium and decomposition of the obtained adducts in a water-containing liquid medium.
6- D (-)[-α-(
4-羟基-1,5-萘啶-3-羧酰胺基)苯乙酰胺基]青霉烷酸
钠或其衍
生物在粗制状态下在苯基的 p 位上带有lydroxylgroup,可以通过在液体介质中与
二甲基亚砜反应,并在含
水液体介质中分解所得到的加合物来有效提纯。