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Ceftiofur sodium

中文名称
——
中文别名
——
英文名称
Ceftiofur sodium
英文别名
sodium;(2Z)-2-(2-amino-1,3-thiazol-4-yl)-N-[(6R,7R)-2-carboxy-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl]-2-methoxyiminoethanimidate
Ceftiofur sodium化学式
CAS
——
化学式
C19H16N5O7S3*Na
mdl
——
分子量
545.553
InChiKey
RFLHUYUQCKHUKS-JUODUXDSSA-M
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    -3.35
  • 重原子数:
    35
  • 可旋转键数:
    9
  • 环数:
    4.0
  • sp3杂化的碳原子比例:
    0.26
  • 拓扑面积:
    259
  • 氢给体数:
    2
  • 氢受体数:
    13

反应信息

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文献信息

  • Method for producing cephalosporins
    申请人:ACS DOBFAR S.p.A.
    公开号:US20040002601A1
    公开(公告)日:2004-01-01
    A method for producing cephalosporins 7-substituted with an amino-thiazolylacetic group by reacting 7-ACA or its derivatives having the amino group and the carboxyl protected with reactive derivatives of amino-thiazolylacetic acid.
    通过将7-ACA或其具有氨基和羧基保护的衍生物与氨基噻唑乙酸的反应衍生物反应,制备带有氨基噻唑乙酸基团的头孢菌素7-取代物的方法。
  • Method for preparation of ceftiofur and salts thereof
    申请人:LUPIN LIMITED
    公开号:US20040132996A1
    公开(公告)日:2004-07-08
    A process for preparation of ceftiofur sodium of formula (Ib) 1 possessing high stability and having purity of more than 97% and substantially free of impurities, is disclosed. The process comprises: i) reacting cefotaxime or its salts or its esters of formula (VI) 2 wherein R 3 is hydrogen, an alkali or alkaline earth metal, or an easily hydrolysable ester, with thiofuroic acid, employed in a molar proportion of 1.5 to 3.0 moles per mole of compound (VI), in the presence of acetonitrile as solvent and in the presence of large excess of methanesulfonic acid, employed in molar proportions of 12 to 18 moles per mole of compound (VI), and at a temperature of between −5° C. to 30° C. to give after necessary neutralisation of the alkali or alkaline earth metal or removal of the ester group of the 4-carboxylic acid function, wherever applicable, ceftiofur of formula (Ia), possessing high stability and having purity of more than 97% and substantially free of impurities; 3 ii) converting the ceftiofur of formula (Ia) thus obtained to its salt with an organic amine by treating a solution of ceftiofur in a mixture of water and a water-miscible organic solvent with an organic amine, at a temperature ranging from −10° C. to 10° C.; iii) reacting of the amine salt thus obtained with a sodium metal carrier in a mixture of water and water-miscible organic solvent and in presence of sodium hydrogen sulfite to give ceftiofur sodium of formula (Ib)
    揭示了一种制备具有高稳定性、纯度超过97%且基本无杂质的化学式为(Ib)1的头孢噻呋钠的方法。该方法包括:i) 在丙腈作为溶剂和大量过量的甲磺酸存在下,将头孢噻唑或其盐或其酯的化学式为(VI)2,其中R3为氢、碱金属或碱土金属,或易水解酯,与噻呋酸反应,摩尔比为每摩尔化合物(VI)1.5至3.0摩尔,温度在-5°C至30°C之间,经过必要的中和碱金属或碱土金属或去除4-羧基酸功能的酯基(如适用),得到具有高稳定性、纯度超过97%且基本无杂质的化学式为(Ia)的头孢噻呋;ii) 将得到的化学式为(Ia)的头孢噻呋转化为其与有机胺的盐,通过在水和水相溶性有机溶剂的混合物中用有机胺处理头孢噻呋的溶液,在温度范围为-10°C至10°C;iii) 在水和水相溶性有机溶剂的混合物中,以及在硫代亚硫酸氢钠存在下,将得到的胺盐与钠金属载体反应,得到化学式为(Ib)的头孢噻呋钠。
  • METHOD FOR PREPARATION OF CEFTIOFUR SODIUM FROM ITS HYDROHALIDE SALTS
    申请人:——
    公开号:US20030065168A1
    公开(公告)日:2003-04-03
    The present invention relates to a process for preparing sodium salt of cephalosporins from their corresponding hydrohalide salt, which is neutralized with trimethylsilylating agent for the first time.
    这项发明涉及一种从相应的氢卤化物盐中制备头孢菌素钠盐的方法,该方法首次使用三甲基硅烷化剂对其进行中和。
  • Process for the preparation of cephalosporin intermediate and its use for the manufacture of cephalosporin compounds
    申请人:Orchid Chemicals and Pharmaceuticals Limited
    公开号:US20030199712A1
    公开(公告)日:2003-10-23
    The present invention relates to a process for the preparation of 4-halogeno-2-substitutedimino-3-oxo-butyric acid of formula (I) 1 wherein R 1 represents CH 3 , CR a R b COOR c where R a and R b independently represent hydrogen or methyl and R c represents hydrogen or (C 1 -C 6 )alkyl, X represents halogen such as chlorine or bromine, also discloses the activation of this acid and its further use in the preparation of cephalosporanic antibiotics (II) in excellent yields and purity
    本发明涉及一种制备式(I)的4-卤代-2-取代亚胺-3-氧代丁酸的方法,其中R1代表CH3,CRaRbCOORc,其中Ra和Rb独立地代表氢或甲基,Rc代表氢或(C1-C6)烷基,X代表卤素如氯或溴,同时还揭示了该酸的活化以及其在制备头孢菌素类抗生素(II)中的进一步应用,产率高,纯度高。
  • Process for preparing cephalosporins with salified intermediate
    申请人:Monguzzi Riccardo
    公开号:US20050119244A1
    公开(公告)日:2005-06-02
    Cephalosporins may be conveniently prepared by a process in which 7-ACA is silylated, acylated, desilylated and then salified to give an intermediate which is eventually cyclized with thiourea.
    头孢菌素可以通过一种方法方便地制备,其中7-ACA被硅化,酰化,去除硅烷基,然后被盐化,以产生中间体,最终与硫脲环化。
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