60845-81-0 + 23877-12-5 = 86299-47-0 反应条件:1.1 Reagents: Potassium Carbonate Solvents: Dimethyl Sulfoxide; 20 H,45 °C2.1 Reagents: Sodium Hydroxide Solvents: Methanol; 6 H,50 - 60 °C2.2 Reagents: Hydrochloric Acid Solvents: Water; Rt 标题:Synthesis Of Side Chain Of Ceftazidime Activated Thioester 作者:Fu,Decai; Et Al 参考文献:Zhongguo Yiyao Gongye Zazhi 日期:2002 卷标:33(11) 页码:523-524]
= 86299-47-0 反应条件:1.1 Reagents: Hydrogen Peroxide 标题:Studies On Condensed-Heterocyclic Azolium Cephalosporins. I. Synthesis And Antibacterial Activity Of 7β-[2-(2-Aminothiazol-4-Yl)-2(Z)-Alkoxyiminoacetamido]-3-(Imidazo[1,2-A]Pyridinium-1-Yl)Methyl-3-Cephem-4-Carboxylates 作者:Nishimura,Tatsuo; Et Al 参考文献:Journal Of Antibiotics 日期:1991 卷标:44(12) 页码:1371-93]
95649-92-6 + 23877-12-5 = 86299-47-0 反应条件:1.1 -2.1 Reagents: Hydrogen Peroxide 标题:Studies On Condensed-Heterocyclic Azolium Cephalosporins. I. Synthesis And Antibacterial Activity Of 7β-[2-(2-Aminothiazol-4-Yl)-2(Z)-Alkoxyiminoacetamido]-3-(Imidazo[1,2-A]Pyridinium-1-Yl)Methyl-3-Cephem-4-Carboxylates 作者:Nishimura,Tatsuo; Et Al 参考文献:Journal Of Antibiotics 日期:1991 卷标:44(12) 页码:1371-93
Ethyl (Z)-2-(2-Aminothiazole-4-yl)-2-(2-Tert.-Butoxycarbonylprop-2-Oxyimino) Acetate 反应生成 头孢他啶侧链酸 参考文献:Furlenmeier,A.;Hofheinz,W.;Hubschwerlen,C. N.;Isenring,H. P. 标题:Furlenmeier,A.;Hofheinz,W.;Hubschwerlen,C. N.;Isenring,H. P.
专利号:US-6214997-B1 优先权日:1998-06-01 标 题 :Process for the preparation of crystalline (Z)-2-(2-tert.-butoxycarbonylprop-2-oxyimino)-2-(2-triphenylmethylaminothiazol-4-yl) acetic acid in association with N,N-dimethylformamide 发明人:HANDA VIJAY KUMAR; GUPTA SURINDER MOHAN; MAHESHWARI NITTIN; ROHATGI AMIT 权利人:RANBAXY LAB LTD 摘要:The present invention relates to the preparation of crystalline (Z)-2-(2-tert.-butoxycarbonyl prop-2-oxyimino)-2-(2-triphenylmethylaminothiazol-4-yl) acetic acid of the following formulawhich is useful in the synthesis of beta-lactam antibiotics such is ceftazidime.
参考文献:10.1016/j.bbrc.2023.08.050 摘要:Ikeda Y, Davis MI, Sumita K, Zheng Y, Kofuji S, Sasaki M, Hirota Y, Pragani R, Shen M, Boxer MB, Takeuchi K, Senda T, Simeonov A, Sasaki AT. Multimodal action of KRP203 on phosphoinositide kinases in vitro and in cells. Biochemical and Biophysical Research Communications. 2023 Oct;679():116–21. doi: 10.1016/j.bbrc.2023.08.050.