The steril carbonate crystals of appropriate bulk-density were prepared by the methods of solvent-out crystallization in optimized condition,and the uniformity of the mixing cephalosporin and steril carbonate was improved.
采用溶析结晶法,通过优化结晶工艺条件,制备出合适松密度的无菌碳酸钠结晶,提高了其与头孢菌素原粉的混合、分装均匀性。
These intermediates include the products for penicillin, cephalosporin and lactamase inhibitors.
本文对β-内酰胺类抗生素用各种中间体的供求进行了综合分析,该类化学品分为青霉素系列产品用、头孢类抗生素用中间体和内酰胺酶抑制剂三类。
Ceftriaxone Sodium
头孢曲松钠(头孢三嗪)
Comparative stuely of cefpirome.Cefepime and ceftriaxone in treating mild to moderate respiratory tract infection
头孢匹罗头孢吡肟头孢曲松治疗下呼吸道感染的疗效比较
Cefoperazone Sodium and
头孢哌酮钠舒巴坦钠
cefsulodin sodium
头孢磺啶钠（达克舒林）
cefditoren pivoxi
头孢地托戊烯氧甲酯
ceftizoxime sodium
头孢唑肟钠（益保世灵）
cefteram piroxil
头孢特仑新戊酰氧甲酯
Cefetamet pivoxil was synthesized from chloromethyl pivalate and 7?ADCA.
7?氨基?3?甲基?3?头孢烯?4?羧酸； 头孢他美；
Syntheses of Cefpirome and Its Analogue and Intermediates;
头孢匹罗和头孢匹罗类似物及其中间体的合成
Studies on the Synthetic Process of the Third-Generation Cephalosporin, Ceftazidime;
第三代头孢菌素—头孢他啶合成工艺研究
Studies on Technics of Preparing Cefuroxime Sodium and Cefuroxime Axetil;
头孢呋辛钠和头孢呋辛酯制备工艺的研究
Studies on the Synthetic Process of the Third-Generation Cephalosporin-Cefoperazone;
第三代头孢菌素头孢哌酮钠的合成工艺研究
Synthesis Research for the Fourth Generation Cephalosporin of Cefepime;
第四代头孢菌素药物盐酸头孢吡肟的合成研究
Expression of Cephalosporin C Acylase in Acremonium chrysogenum
头孢菌素C酰基转移酶在顶头孢霉中的表达
Studies on the Synthetic Process of Cefsulodin Sodium and Prepation of New Cephalosporin Compoumds;
头孢磺啶钠的合成工艺研究及新的头孢类化合物的制备
A meta-analysis of the treatment of lower respiratory tract infection with randomized control study of Cefepime and Ceftazidime
头孢吡肟与头孢他啶随机对照治疗下呼吸道感染的meta分析
Randomized controlled clinical trial of cefuroxime axetil vs cefaclor in treatment of lower respiratory tract infection
头孢呋辛酯与头孢克洛对照治疗下呼吸道感染的疗效观察
Ceftizoxime Injection vs. Cefotaxime Injection for Lower Respiratory Tract Infection:Cost-effective Analysis
注射用头孢唑肟和头孢噻肟治疗下呼吸道感染的成本-效果分析