Sodium 6-[D(-)-.alpha.-(4-hydroxy-1,5-naphthyridine-3-carboxamido)phenylacetamido ]penicillanate or its hydroxylated derivative at the p-position of the phenyl group in a crude state can be purified efficiently through its dimethyl sulfoxide adduct.
Dimethyl sulfoxide adducts of sodium 6-(D(-)-alpha-(4-hydroxy-1,5-naphthyridine-3-carboxamido)phenylacetamido)penicillanate or the derivative thereof bearing a hydroxyl group at the p-position of the phenyl group, methods for their preparation and decomposition, and their use as intermediates for purifying the crude penicillins
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0006688A1
公开(公告)日:1980-01-09
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。