5-氯-3-[(1,5-二羟基-2-萘)偶氮]-2-羟基苯磺酸钠,1-[((6R,7R)-7-Amino-2-Carboxy-8-Oxo-5-Thia-1-Azabicyclo[4.2.0]oct-2-En-3-yl)Methyl]-1-Methylpyrrolidinium Chloride Hydrochloride置于三乙胺体系中,用 水,丙酮 用作溶剂,以80%的收率获得盐酸头孢吡肟 参考文献: Process For The Direct Preparation Of Cefepime For Injectable Use[fr] Procédé De Préparation Directe De Céfépime Pour Utilisation Par Voie Injectable 标题: Process For The Direct Preparation Of Cefepime For Injectable Use[fr] Procédé De Préparation Directe De Céfépime Pour Utilisation Par Voie Injectable 摘要:本发明涉及一种直接工艺,无需分离任何中间体,用于制备注射用的cefepime双氯化物一水合物的无菌质量,包括以下步骤:在水中存在碱或酸的情况下,对式(II)化合物进行预处理脱色步骤;在至少一种可溶于水的溶剂存在下,使用maem进行酰化步骤;在与水不相溶的溶剂存在下进行萃取步骤;对含有溶解产品的富水溶液进行脱色步骤;最后,在盐酸存在下,使用丙酮结晶步骤对产品进行结晶.
1: Ajibola O, Aremu TO, Dada SO, Ajibola O, Adeyinka KO, Ajibola A, Oluwole OE. The Trend of Cefepime-Induced Neurotoxicity: A Systematic Review. Cureus. 2023 Jun 26;15(6):e40980. doi: 10.7759/cureus.40980. 2: Jean-Michel V, Homey C, Devos P, Delannoy PY, Boussekey N, Caulier T, Leroy O, Georges H. Continuous Infusion of High Doses of Cefepime in Intensive Care Unit: Assessment of Steady-State Plasma Level and Incidence on Neurotoxicity. Antibiotics (Basel). 2022 Dec 30;12(1):69. doi: 10.3390/antibiotics12010069. 3: Al Kamaly O. Review on Characterization, Properties, and Analytical Methods of Cefepime. Int J Anal Chem. 2022 Jun 29;2022:6909528. doi: 10.1155/2022/6909528.
合成参考文献
参考文献:10.1007/s40278-023-34129-x 摘要:Ampicillin/sulbactam/cefepime/vancomycin. Reactions Weekly. 2023 Feb 25;1945(1):48. doi: 10.1007/s40278-023-34129-x. 参考文献:10.1007/s11094-025-03342-y 摘要:İlkimen H, Salün SG, Gülbandýlar A, Sarý M. Synthesis, Characterization, Antimicrobial Activity Study of a Novel Salt of Dipicolinic Acid with 2-Amino-5-Methylpyridine and Their Metal Complexes. Pharm Chem J. 2025 Mar;58(12):1821–6. doi: 10.1007/s11094-025-03342-y. 参考文献:10.1007/s40278-025-87929-7 摘要:Multiple drugs. Reactions Weekly. 2025 Aug 09;2071(1):307. doi: 10.1007/s40278-025-87929-7.