英文名稱
7-Amino-3-chloro-3-cephem-4-carboxylic Acid
Smiles Code
N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)O)Cl
Aqueous Acid (Slightly, Heated), DMSO (Slightly, Heated, Sonicated)
Building Blocks; Chiral Molecules; Pharmaceutical/API Drug Impurities/Metabolites; Semi-Synthetic;
7-Amino-3-chloro-3-cephem-4-carboxylic Acid (Cefaclor EP Impurity B) is used as an intermediate in the preparation of semi-synthetic cephalosprin antibiotics (1) such as cefachlor (2).