CAS: 7059-24-7; Chromomycin A3

该化合物是细菌(Streptocemices griseus*)生产的抗生素,主要用于癌症治疗,因为其能够将DNA隔热,从而抑制DNA和RNA合成;该化合物呈现明亮黄色,在水中溶解,便于其在各种生物应用中使用;Cromomycin A3 具有反映其复杂结构的分子配方,以多种芳香环和糖糖糖为特点,有助于其生物活动;其行动机制涉及GC富含DNA的区域,导致快速分裂细胞细胞过程的中断,这是许多抗癌剂的特征;此外,对CromomecinA3 进行了研究,以了解其在分子生物学中作为DNA检测荧光探测器的潜在用途;然而,其临床用途因潜在的毒性和副作用而受到限制,因此需要在治疗应用中仔细考虑.总体而言,Cromemyc A3是药物化学和癌症研究领域的一个重要化合物.

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合成工艺路线路线简述

    📜Nickel Titanate 在 C体系中,用 Melt作为反应溶剂,获得 [(2S,3R,4S)-6-[[(6S,7S)-6-[(4R,5R,6R)-4-[(4S,5S,6S)-4-[(4S,5S,6S)-5-Acetyloxy-4-Hydroxy-4,6-Dimethyloxan-2-Yl]Oxy-5-Hydroxy-6-Methyloxan-2-Yl]Oxy-5-Hydroxy-6-Methyloxan-2-Yl]Oxy-7-[(1R,3S,4S)-3,4-Dihydroxy-1-Methoxy-2-Oxopentyl]-4,10-Dihydroxy-3-Methyl-5-Oxo-7,8-Dihydro-6H-Anthracen-2-Yl]Oxy]-4-[(4S,5S,6S)-4-Hydroxy-5-Methoxy-6-Methyloxan-2-Yl]Oxy-2-Methyloxan-3-Yl] Acetate,Nickel Titanium
    参考文献:通过 Ffc 剑桥工艺生产镍钛:工艺参数的细化
    标题:通过 Ffc 剑桥工艺生产镍钛:工艺参数的细化
    摘要:电化学 Ffc 剑桥工艺非常适合 Niti 生产,因为它避免了与传统制造路线相关的 Ni 偏析.通过混合金属氧化物在熔融 Cacl2 盐浴中的直接电脱氧,可以生产均匀的低氧产品.这项工作建立在先前有关还原 Niti 的文献的基础上 [J. 电化学.S°C.,155,E171 (2008); 下巴.科学.Bull.,51,2535 (2006)] 通过调查还原温度和构造材料对形成的相的影响.先前的工作表明,使用 Ti 阴极集电器可以使 Ti 富集,在环境温度下形成单斜 B19(') 单斜 Niti [J. 电化学.S°C.,155,E171 (2008)].使用 Ni 集电器导致产品中 Ni 富集,在环境温度下稳定高温 B2 立方形式.从 1173 到 1273 K 进行的所有还原都是如此,但对于 1123 K 及以下,形成了单斜晶 B19(') Niti.Niti 集电器在环境温度下产生
    Doi:10.1149/1.3289996

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    专利信息


    专利号:US-10925977-B2
    优先权日:2006-10-05
    标 题 :Efficient synthesis of chelators for nuclear imaging and radiotherapy: compositions and applications
    发明人:YANG DAVID J; YU DONGFANG; THOMPSON ANDREW S
    权利人:YANG DAVID J; YU DONGFANG; THOMPSON ANDREW S; CEIL POINT LLC; UNIV TEXAS
    摘要:Novel methods of synthesis of chelator-targeting ligand conjugates, compositions comprising such conjugates, and therapeutic and diagnostic applications of such conjugates are disclosed. The compositions include chelator-targeting ligand conjugates optionally chelated to one or more metal ions. Methods of synthesizing these compositions in high purity are also presented. Also disclosed are methods of imaging, treating and diagnosing disease in a subject using these novel compositions, such as methods of imaging a tumor within a subject and methods of diagnosing myocardial ischemia.

    专利号:US-5084378-A
    优先权日:1987-11-30
    标题:Enhanced detection of fluorescence quenching in labeled cells
    发明人:CRISSMAN HARRY A; STEINKAMP JOHN A
    权利人:US ENERGY
    摘要:A method is provided for quantifying BrdU labeled DNA in cells. The BrdU is incorporated into the DNA and the DNA is stained with a first fluorochrome having a fluorescence which is quenchable by BrdU. The first fluorochrome is preferably a thymidine base halogen analogue, such as a Hoechst fluorochrome. The DNA is then stained with a second fluorochrome having a fluorescence that is substantially uneffected by BrdU. The second fluorochrome may be selected from the group consisting of mithramycin, chromomycin A3, olivomycin, propidium iodide and ethidium bromine. The fluorescence from the first and second fluorochromes is then measured to obtain first and second output signals, respectively. The first output signal is substracted from the second output signal to obtain a difference signal which is functionally related to the quantity of BrdU incorporated into DNA. The technique is particularly useful for quantifying the synthesis of DNA during the S-phase of the cell cycle.

    专利号:US-7153691-B2
    优先权日:2002-11-13
    标 题 :Method of identifying and assessing DNA euchromatin in biological cells for detecting disease, monitoring wellness, assessing bio-activity, and screening pharmacological agents
    发明人:FERGUSON GARY WILLIAM
    权利人:G6 SCIENCE CORP
    摘要:The present invention is a method of identifying and assessing DNA euchromatin in biological cells. The amount and/or distribution of DNA euchromatin generally relates to RNA/protein synthesis, which may change in certain conditions, such as disease, and/or cellular response to environmental and/or chemical agents. The present invention detects the potential presence of disease by assessing DNA euchromatin in ostensibly normal cells and similarly provides means to monitor and assess treatment response. The present invention may also be used to assess how application (or removal) of influences, such as environment, radiation, chemical agents, medications, herbs, vitamins, etc., interact to effect cells, establishing uses in monitoring wellness and pharmacological screening. Additional uses include assessing age related disorders, allergies, infections, Alzheimer's disease, ‘Time of Death’, chronic fatigue syndrome, etc. The method may be advantageously applied to biological cells including micro-organisms, plants, animals, or cultured cells, alone or in conjunction with other markers.

    专利号:US-12054512-B2
    优先权日:2017-11-10
    标 题 :Sting modulator compounds, and methods of making and using
    发明人:VYSKOCIL STEPAN; CIAVARRI JEFFREY; CULLIS COURTNEY; ENGLAND DYLAN BRADLEY; GOULD ALEXANDRA E; GREENSPAN PAUL; HU YONGBO; LANGSTON STEVEN; LI GANG; MIZUTANI HIROTAKE; OKANIWA MASANORI
    权利人:TAKEDA PHARMACEUTICALS CO
    摘要:The present disclosure provides STING modulators/agonists, and methods of synthesis and methods for using for the prophylaxis or treatment of cancer and other STING-related diseases.The present disclosure relates to a compound represented by the Formula (I):wherein each symbol is as defined in the description, or a pharmaceutically acceptable salt thereof.

    专利号:US-9803240-B2
    优先权日:2008-04-01
    标题 :Stabilized nucleic acid dark quencher-fluorophore probes
    发明人:COOK RONALD M; LYTTLE MATT
    权利人:BIOSEARCH TECH INC
    摘要:The present invention provides a new class of solids supports for synthesis of modified oligomers of nucleic acids, and nucleic acid probes that have a format expediently synthesized on the new supports. Exemplary solid supports include at least one quencher bound through a linker to the solid support. Various exemplary embodiments include a moiety that stabilizes a duplex, triplex or higher order aggregation (e.g., hybridization) of nucleic acids of which the oligomer of the invention is a component. Other components of the solid support include moieties that stabilize aggregations of nucleic acids, e.g., intercalators, minor groove binding moieties, bases modified with a stabilizing moiety (e.g., alkynyl moieties, and fluoroalkyl moieties), and conformational stabilizing moieties, such as those described in commonly owned U.S. Patent Application Publication No. 2007/0059752.

    专利号:KR-101513003-B1
    优先权日:2006-10-05
    标 题 :Efficient synthesis of chelators for nuclear imaging and radiotherapy compositions and applications

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    ✅ COA系统入驻 | 共享模式

    主要参考文献


    1: Slavik M, Carter SK. Chromomycin A3, mithramycin, and olivomycin: antitumor antibiotics of related structure. Adv Pharmacol Chemother. 1975;12(0):1-30. doi: 10.1016/s1054-3589(08)60218-5. 45(4):1005-1016. doi: 10.3892/ijmm.2020.4482. Epub 2020 Jan 29.
    3: Jensen RH. Chromomycin A3 as a fluorescent probe for flow cytometry of human gynecologic samples. J Histochem Cytochem. 1977 Jul;25(7):573-9. doi: 10.1177/25.7.70448. 173(2):377-82. doi: 10.1111/j.1432-1033.1988.tb14009.x. 17(1):60-6. doi: 10.1023/a:1009406231811.
    6: Hayasaka T, Inoue Y. Chromomycin A3 studies in aqueous solutions. Spectrophotometric evidence for aggregation and interaction with herring sperm deoxyribonucleic acid. Biochemistry. 1969 Jun;8(6):2342-7. doi: 10.1021/bi00834a014. 19(5):671-84. doi: 10.1016/j.rbmo.2009.07.002. 12(12):5839-55. doi: 10.3390/md12125839.

    合成参考文献


    摘要:Conti G, Portincasa P. Chromomycin A3 inhibits influenza a virus multiplication in chick embryo fibroblast cells. New Microbiol. 2002 Oct;25(4):385–98.
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