61-24-5 = 957-68-6 反应条件:1.1 Catalysts: Glutaryl-7-Aminocephalosporanic Acid Acylase 标题:Overexpression Of Synthesized Cephalosporin C Acylase Containing Mutations In The Substrate Transport Tunnel 作者:Wang,Ying; Yu,Huimin; Song,Wensi; An,Ming; Zhang,Jing; Et Al 参考文献:Journal Of Bioscience And Bioengineering 日期:2012 卷标:113(1) 页码:36-41]
27920-90-7 = 957-68-6 反应条件:1.1 Reagents: Ammonium Hydroxide Catalysts: Glutaryl-7-Aminocephalosporanic Acid Acylase Solvents: Water; 60 Min,Ph 8.0,25 °C 标题:Two-Step Immobilized Enzyme Conversion Of Cephalosporin C To 7-Aminocephalosporanic Acid 作者:Conlon,Hugh D.; Baqai,Javed; Baker,Kerry; Shen,Yong Q.; Wong,Bing L.; Et Al 参考文献:Biotechnology And Bioengineering 日期:1995 卷标:46(6) 页码:510-13]
61-24-5 = 957-68-6 反应条件:1.1 Solvents: Water; 3 H,Ph 8,25 °C 标题:Influence Of Substrate Structure On Pga-Catalyzed Acylations. Evaluation Of Different Approaches For The Enzymatic Synthesis Of Cefonicid 作者:Terreni,Marco; Tchamkam,Joseph Gapesie; Sarnataro,Umberto; Rocchietti,Silvia; Fernandez-Lafuente,Roberto; Et Al 参考文献:Advanced Synthesis & Catalysis 日期:2005 卷标:347(1) 页码:121-128]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Oxygen Catalysts: D-Amino Acid Oxidase 标题:Chemoenzymic One-Pot Synthesis Of Cefazolin From Cephalosporin C In Fully Aqueous Medium,Involving Three Consecutive Biotransformations Catalyzed By D-Amino Acid Oxidase,Glutaryl Acylase And Penicillin G Acylase 作者:Fernandez-Lafuente,Roberto; Guisan,Jose M.; Pregnolato,Massimo; Terreni,Marco 参考文献:Tetrahedron Letters 日期:1997 卷标:38(26) 页码:4693-4696]
27920-90-7 = 957-68-6 反应条件:1.1 Reagents: Ammonia; Ph 9,4 °C 标题:Cloning And Sequence Of Glutaryl Cephalosporin Amidase From Pseudomonas Diminuta Bs-203 And Use Of The Amidase For The Preparation Of 7-Aminocephalosporanic Acid 参考文献:World Intellectual Property Organization]
12567-06-5 = 957-68-6 反应条件:1.1 Reagents: Chlorotrimethylsilane,Triethylamine,N,N-Dimethylaniline Solvents: Chloroform1.2 Reagents: N,N-Dimethylaniline,Phosphorus Pentachloride1.3 Reagents: Methanol1.4 Reagents: Water Solvents: Water 标题:Process For Preparing 7-Aminocephalosporanic Acid Without Chloroalkane Byproducts 参考文献:Czechoslovakia]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Sodium Hydroxide Catalysts: Glutaryl-7-Aminocephalosporanic Acid Acylase,Lh-Ep Solvents: Water; 20 Min,Ph 8.5,25 °C 标题:One-Pot Enzymatic Production Of Deacetyl-7-Aminocephalosporanic Acid From Cephalosporin C Via Immobilized Cephalosporin C Acylase And Deacetylase 作者:Ma,Xiaoqiang; Deng,Senwen; Su,Erzheng; Wei,Dongzhi 参考文献:Biochemical Engineering Journal 日期:2015 卷标:95 页码:1-8]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Sodium Bisulfite; Ph 7,Rt; 80 Min,Ph 8.3,Rt -> 14 °C1.2 Reagents: Hydrochloric Acid Solvents: Water; Ph 5.3 标题:Preparation Method Of 7-Aminocephalosporanic Acid (7-Aca) With Low Content Of Maximum Unknown Single Impurity 参考文献:China]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Ammonium Carbonate,Ammonium Bicarbonate,Ammonia Catalysts: Glutaryl-7-Aminocephalosporanic Acid Acylase Solvents: Water; Ph 8.5,25 °C 标题:Method For Preparing 7-Aminocephalosporanic Acid From Cephalosporin C Catalyzed With Cephalosporin C Acylase In Ammonium Bicarbonate And/or Ammonium Carbonate Aqueous Solution 参考文献:China]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Oxygen Catalysts: D-Amino Acid Oxidase Solvents: Water 标题:Modulation Of Penicillin Acylase Properties Via Immobilization Techniques: One-Pot Chemoenzymatic Synthesis Of Cephamandole From Cephalosporin C 作者:Terreni,M.; Pagani,G.; Ubiali,D.; Fernandez-Lafuente,R.; Mateo,C.; Et Al 参考文献:Bioorganic & Medicinal Chemistry Letters 日期:2001 卷标:11(18) 页码:2429-2432]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Oxygen Catalysts: D-Amino Acid Oxidase,Carboxyl Esterase Solvents: Water; 2.5 H,Ph 8,25 °C; Ph 4.5 标题:One-Pot Chemoenzymic Synthesis Of 3'-Functionalized Cephalosporines (Cefazolin) By Three Consecutive Biotransformations In Fully Aqueous Medium. 作者:Justiz,O. H.; Fernandez-Lafuente,R.; Guisan,J. M.; Negri,P.; Pagani,G.; Et Al 参考文献:Journal Of Organic Chemistry 日期:1997 卷标:62(26) 页码:9099-9106]
= 957-68-6 反应条件:1.1 Reagents: Acetic Anhydride,4-(Dimethylamino)Pyridine,Potassium Hydroxide Solvents: Acetone,Water1.2 Reagents: Hydrochloric Acid Solvents: Water 标题:Preparation And Use Of 7-[(2-Carboalkoxy-1-Methylethenyl)Amino]-3-Hydroxymethyl-3-Cephem-4-Arboxylic Acids 参考文献:United States]
15686-71-2 = 957-68-6 反应条件:1.1 Reagents: Sodium Hydroxide Catalysts: Penicillin Amidase Solvents: Water 标题:New Use Of Alcaligenes Faecalis Penicillin G Acylase 参考文献:European Patent Organization]
61-24-5 = 957-68-6 反应条件:1.1 19 Min,Rt 标题:Method For Preparing High-Purity 7-Aca With Short Cycle And High Yield 参考文献:China]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Hydrogen Peroxide,Oxygen Catalysts: D-Amino Acid Oxidase,Glutaryl-7-Aminocephalosporanic Acid Acylase Solvents: Water; 3.5 H,Ph 7.5,28 °C 标题:Enzymic Transformation Of Cephalosporin C To 7-Aca By Simultaneous Action Of Immobilized D-Amino Acid Oxidase And Glutaryl-7-Aca Acylase 作者:Bianchi,Daniele; Bortolo,Rossella; Golini,Paolo; Cesti,Pietro 参考文献:Applied Biochemistry And Biotechnology 日期:1998 卷标:73(2-3) 页码:257-268]
61-24-5 = 957-68-6 反应条件:1.1 Reagents: Oxygen Catalysts: Hexadecyltrimethylammonium Bromide,D-Amino Acid Oxidase,Catalase,Glutaryl-7-Aminocephalosporanic Acid Acylase Solvents: Water; 2.5 H,Ph 7.5,28 °C 标题:Single-Pot Conversion Of Cephalosporin C To 7-Aminocephalosporanic Acid In The Absence Of Hydrogen Peroxide 作者:Tan,Qiang; Zhang,Yewang; Song,Qingxun; Wei,Dongzhi 参考文献:World Journal Of Microbiology & Biotechnology 日期:2010 卷标:26(1) 页码:145-152
专利号:US-5847116-A 优先权日:1994-12-09 标 题 :Process for the preparation of intermediates useful in the synthesis of cephalosporins 发明人:WALKER DEREK; LEE JUNNING; MARTIN CHARLES R; ZHANG HAIYAN; SOGLI LORIS; BERNASCONI ERMANNO; MENON VINOD PARAKKAL 权利人:SCHERING CORP; ANTIBIOTICOS SA 摘要:A process is described for preparing 3-exomethylene cephalosporanic acid derivatives for use in the synthesis of cephalosporin antibiotics such as ceftibuten. The process comprises electrochemical reduction of a compound of the formula (IV) ##STR1## wherein: R 3 is ##STR2## is an optional sulfoxide group; n is 2 or 3; R 1 is H and R is H or NHR 2 , where R 2 is H or a protecting group selected from C 6 H 5 CH 2 OC(O)--, C 6 H 5 C(O)-- or C 1 -C 6 alkoxy-C(O)--; or wherein R and R 1 together with the carbon atom to which they are attached comprise --C(O)--, and produces the desired 3-exomethylene compounds with low levels of the corresponding 3-methyl tautomers.
专利号:US-6156534-A 优先权日:1996-07-26 标 题:Synthesis of β-lactam antibacterials using soluble side chain esters and enzyme acylase 发明人:USHER JOHN J; ROMANCIK GUNA 权利人:BRISTOL MYERS SQUIBB CO 摘要:Disclosed is a process for the synthesis of β-lactam antibacterials using soluble side chain esters in the presence of enzyme acylase. Also disclosed are novel esters useful as reactants in said process.
专利号:EP-0948511-B1 优先权日:1996-12-24 标 题:Chemical synthesis of nucleosides analogs and their incorporation into polynucleotides 发明人:KARPEISKY ALEXANDER; BEIGELMAN LEONID; MATULIC-ADAMIC JASENKA 权利人:SIRNA THERAPEUTICS INC 摘要:Novel nucleosides, process for chemical synthesis of nucleosides and incorporation of the nucleosides into polynucleotides are disclosed. Also described are polynucleotides, such as antisense, TFO and nucleic acid catalysts with one or more modifications, such as 2'-O-amino, L-nucleotides and the others.
专利号:US-2003044884-A1 优先权日:2000-10-11 标题:Synthesis of beta-lactam antibacterials using soluble side chain esters and enzyme acylase 发明人:USHER JOHN J; ROMANCIK GUNA 摘要:Disclosed is a process for the synthesis of β-lactam antibacterials using soluble side chain esters in the presence of enzyme acylase. Also disclosed are novel esters useful as reactants in said process.
专利号:US-5268271-A 优先权日:1989-12-12 标题 :Method for the synthesis of semi-synthetic antibiotics in thermodynamically controlled water-cosolvent organic miscible apolar systems by using penicillin G acylase 发明人:GUISAN SEIJAS JOSE M; FERNANDEZ LAFUENTE ROBERTO; ALVARO CAMPOS GREGORIO; BLANCO MARTIN ROSA M; MOLINA ROSELL CRISTINA 权利人:CONSEJO SUPERIOR INVESTIGACION 摘要:Synthesis of semi-synthetic monobactamic or β-Lactamic antibiotics by using derivatives stabilized by various methods of penicillin G acylase from various microbial sources according to a thermodynamically controlled strategy in monophase water/cosolvent organic apolar systems, wherein the concentration of the cosolvent varies between 30% and 90%, the temperature between -10° C. and 50° C., the pH between 4.5 and 8.5, with concentrations of the antibiotic nucleus between 0.5 an 875 mM and acyl donor between 0.2 mM and 1M, with a relationship antibiotic ring/activated or free acyl donor, using a buffer between 0 and 1M. Application to the pharmaceutical industry.
专利号:US-7592447-B2 优先权日:2003-12-23 标题:Process for production of intermediates for use in cefalosporin synthesis 发明人:LUDESCHER JOHANNES; STURM HUBERT; VORNDRAN KATJA 权利人:SANDOZ AG 摘要:A process for the production of intermediates having a formula IA n nthat can be used for the synthesis of cephalosporins, such as cefepime of formula V. The intermediates of formula IA are produced by desilyation of a compound of formula IIn n nwherein R4 is a silyl-protecting group, with a protic solvent to obtain a compound of formula III,n n nand reacting the compound of formula III with an organic base of formula IVn n nwherein R2 and R3 together represent a C4-alkylene group, and with the adjacent nitrogen atom form a saturated 5-membered heterocycle, and R1 represents a methyl group, to obtain the compound of formula 1A.
1: Endoh T, Yagihashi A, Sasaki M, Watanabe N. Ceftizoxime-induced hemolysis due to immune complexes: case report and determination of the epitope responsible for immune complex-mediated hemolysis. Transfusion. 1999 Mar;39(3):306-9.
合成参考文献
摘要:Servi, S.; Tessaro, D.; Hollmann, F., Science of Synthesis: Biocatalysis in Organic Synthesis, (2015) 1, 5. 摘要:Pollegioni, L.; Molla, G., Science of Synthesis: Biocatalysis in Organic Synthesis, (2015) 3, 270. 参考文献:10.1385/abab:91-93:1-9:341 摘要:Silva RG, Cruz AJG, Hokka CO, Giordano RLC, Giordano RC. A hybrid neuroal network algorithm for on-line state inference that accounts for differences in inoculum of Cephalosporium acremonium in fed-batch fermentors. Applied Biochemistry and Biotechnology. 2001 Mar;91-93(1-9):341–52. doi: 10.1385/abab:91-93:1-9:341. 参考文献:10.1007/s11882-008-0010-1 摘要:Baldo BA, Zhao Z, Pham NH. Antibiotic allergy: immunochemical and clinical considerations. Curr Allergy Asthma Rep. 2008 Mar;8(1):49–55. doi: 10.1007/s11882-008-0010-1. 参考文献:10.1155/2011/365683 摘要:Díaz Angulo S, Szram J, Welch J, Cannon J, Cullinan P. Occupational asthma in antibiotic manufacturing workers: case reports and systematic review. J Allergy (Cairo). 2011;2011():365683.