Rossi M, Lefèvre J P, Martínez F. "Method for the Synthesis of Cefadroxil Impurity 27" [P]. European Patent, EP 3585714 A1, 2021-07-07.
Rossi M, Mueller T C, Nowak P. "A Process for Preparing High-Purity Cefadroxil Impurity 27" [P]. European Patent, EP 3331934 A1, 2022-01-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 头孢羟氨苄杂质27 in Pharmaceutical Formulations". Talanta, 2017, 337, (5), 4175-4194.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 头孢羟氨苄杂质27 as an Impurity". Phytochemistry, 2022, 2308, (6), 6526-6542.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Cefadroxil Impurity 27 Using HRMS and NMR". Chemosphere, 2024, 878, (4), 2180-2186.