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    • 2. 发明公开
    • FLUORESCENT PROBE
    • FLUORESZENZSONDE
    • EP1553408A4
    • 2005-08-17
    • EP03741232
    • 2003-07-07
    • NAGANO TETSUODAIICHI PURE CHEMICALS CO LTD
    • NAGANO TETSUOURANO YASUTERUKENMOKU SUGURUKANDA KOHJIRO
    • C07D311/82C07D407/04C09B11/06C09B11/24G01N27/447G01N31/22G01N31/00G01N21/78
    • G01N27/44726C07D311/82C09B11/06C09B11/245G01N31/22
    • A fluorescent probe represented by the following formula (I): (I) wherein R1 and R2 each represents hydrogen, a substituent for trapping a proton, metal ion, or active oxygen species, etc.; R3 represents a monovalent substituent; R4 and R5 each represents hydrogen or halogeno; and R6 represents hydrogen, alkylcarbonyl, or alkylcarbonyloxymethyl; provided that R1, R2, and R3 are selected in such a combination that (1) before the trapping of, e.g., a proton, R1, R2, and R3 give a substantially high electron density to the benzene ring to which they are bonded, in order that the compound represented by the formula (I) be substantially nonfluorescent and that (2) after the trapping of, e.g., a proton, R1, R2, and R3 substantially reduce the electron density of the benzene ring to which they are bonded, in order that the compound resulting from the trapping and derived from the compound represented by the formula (I) be substantially highly fluorescent. The fluorescent probe has excellent fluorescent properties.
    • 由下式(I)表示的荧光探针:(I)其中R 1和R 2各自表示氢,用于俘获质子的取代基,金属离子或活性氧等; R3代表一价取代基; R4和R5各自代表氢或卤代; 和R6代表氢,烷基羰基或烷基羰氧基甲基; 条件是R1,R2和R3以如下组合选择:(1)在俘获例如质子之前,R1,R2和R3给与它们键合的苯环提供相当高的电子密度, 为了使式(I)表示的化合物基本上无荧光,并且(2)在捕获例如质子之后,R 1,R 2和R 3实质上降低它们键合的苯环的电子密度 以便由捕获得到的和由式(I)代表的化合物衍生的化合物基本上是高度荧光的。 荧光探针具有优异的荧光特性。
    • 3. 发明公开
    • Fluorescent dyes and dye precursors
    • Fluoreszenzfarbstoffe undFarbstoffvorläufer
    • EP3050886A1
    • 2016-08-03
    • EP15153463.3
    • 2015-02-02
    • Bürkert Werke GmbH
    • Lelant, CéliaBonnet, DominiqueGalzi, Jean-Luc
    • C07D493/10A61K31/35A61K31/365C09B11/06C09K11/06C09K11/59C09K11/66C12N1/00C12Q1/02G01N33/48G01N33/50G01N21/64G01N33/52
    • C07D493/10C09B11/06C09B11/08C09K11/06C12Q1/02G01N1/30G01N33/48G01N33/50G01N33/5091G01N33/582
    • A xanthene compound is used for discriminating living from non-living unicellular and multicellular organisms. The xanthene compound is represented by the following formula (I)

      wherein
      each X is, independently from each other, one of H, F, Cl, Br, I, CN;
      Z is one of O, Si, Ge or Sn;
      R 1 is hydrogen, -(C=O)-R 4 or -CH 2 -O-(C=O)-R 4 , wherein R 4 is substituted or unsubstituted alkyl having 1 to 18 carbon atoms, substituted or unsubstituted alkenyl having 2 to 18 carbon atoms, or substituted or unsubstituted aralkyl having at least 7 carbon atoms, or wherein R 1 is a residue derived from an amino acid, peptide, nucleotide or oligonucleotide, monosaccaride or polysaccharide;
      A is -NH 2 , -OR 1 or -NR 5 (C=O)-R 4 wherein R 4 independently has the meaning as defined above and R 5 is H, substituted or unsubstituted alkyl having 1 to 18 carbon atoms, substituted or unsubstituted alkenyl having 2 to 18 carbon atoms, or substituted or unsubstituted aralkyl having at least 7 carbon atoms;
      R 2 and R 3 are, independently from each other, H or -(C=O)-NR 6 R 7 , wherein at least one of R 2 and R 3 is not H, and wherein R 6 and R 7 are selected from H, substituted or unsubstituted alkyl having 1 to 18 carbon atoms, substituted or unsubstituted alkenyl having 2 to 18 carbon atoms, or substituted or unsubstituted aralkyl having at least 7 carbon atoms.
    • 呫吨化合物用于区分生活与非生物单细胞和多细胞生物的生物。 呫吨化合物由下式(I)表示,其中每个X彼此独立地为H,F,Cl,Br,I,CN之一; Z是O,Si,Ge或Sn之一; R 1是氢, - (C = O)-R 4或-CH 2 -O-(C = O)-R 4,其中R 4是具有1至18个碳原子的取代或未取代的烷基, 2至18个碳原子,或取代或未取代的具有至少7个碳原子的芳烷基,或其中R 1是衍生自氨基酸,肽,核苷酸或寡核苷酸,单糖或多糖的残基; A是-NH 2,-OR 1或-NR 5(C = O)-R 4,其中R 4独立地具有如上定义的含义,R 5是H,取代或未取代的具有1至18个碳原子的烷基,取代或 具有2至18个碳原子的未取代的烯基,或具有至少7个碳原子的取代或未取代的芳烷基; R 2和R 3彼此独立地为H或 - (C = O)-NR 6 R 7,其中R 2和R 3中的至少一个不是H,并且其中R 6和R 7选自 H,取代或未取代的碳原子数1〜18的烷基,取代或未取代的碳原子数为2〜18的烯基或取代或未取代的碳数7以上的芳烷基。
    • 4. 发明公开
    • FLUORESCENT DYES
    • FLUORESZENZFARBSTOFFE
    • EP2768306A4
    • 2015-06-24
    • EP12839327
    • 2012-10-09
    • ENZO LIFE SCIENCES INC
    • LI ZAIGUOPANDE PRAVEEN
    • C07D311/88C09B11/24C12Q1/70
    • C07H21/00C07H19/04C09B11/02C09B11/06C09B11/24C12Q1/707
    • Provided are various compounds comprising the formula Also provided are fluorescent dyes comprising the above compound. Additionally, a fluorescence energy transfer system is provided that comprises the above-described fluorescent dye and a second dye, wherein the second dye is capable of energy transfer with the fluorescent dye. Further provided is a kit for labeling a target molecule, where the kit comprises the above-described fluorescent dye with additional reagents useful for labeling the target molecule. Additionally provided is a target molecule labeled with the above-described fluorescent dye. Methods of labeling a target molecule with the above-described fluorescent dye are also provided.
    • 提供包含式的各种化合物还提供了包含上述化合物的荧光染料。 此外,提供了包含上述荧光染料和第二染料的荧光能量转移系统,其中第二染料能够与荧光染料进行能量转移。 还提供了用于标记靶分子的试剂盒,其中试剂盒包含上述荧光染料和另外的可用于标记靶分子的试剂。 另外提供了用上述荧光染料标记的靶分子。 还提供了用上述荧光染料标记靶分子的方法。
    • 9. 发明公开
    • FLUORESCENT PROBE
    • FLUORESZENZSONDE
    • EP1553408A1
    • 2005-07-13
    • EP03741232.7
    • 2003-07-07
    • Nagano, TetsuoDAIICHI PURE CHEMICALS CO., LTD.
    • NAGANO, TetsuoURANO, YasuteruKENMOKU, SuguruKANDA, Kohjiro
    • G01N31/00G01N21/78
    • G01N27/44726C07D311/82C09B11/06C09B11/245G01N31/22
    • A fluorescent probe which is represented by the following formula (I):
      (wherein, R 1 and R 2 represent hydrogen atom, or a substituent for trapping proton, a metal ion, or an active oxygen species, or the like; R 3 represents a monovalent substituent; R 4 and R 5 represent hydrogen atom or a halogen atom; R 6 represents hydrogen atom, an alkylcarbonyl group, or an alkylcarbonyloxymethyl group, provided that a combination of R 1 , R 2 , and R 3 provides (1)substantially high electron density of the benzene ring to which said groups bind, so that the compound represented by the formula (I) is substantially no fluorescent before the trapping of proton, or the like, and (2) substantially reduced electron density of the benzene ring to which said groups bind, so that a compound after the trapping, which is derived from the compound represented by the formula (I) is substantially highly fluorescent after the trapping of proton or the like). A fluorescent probe having an excellent fluorescence property is provided.
    • 由下式(I)表示的荧光探针:(其中,R 1和R 2表示氢原子,或用于捕获质子,金属离子或活性氧的取代基, R 3表示一价取代基; R 4和R 5表示氢原子或卤素原子; R 6表示氢原子,烷基羰基或烷基羰氧基甲基,条件是a R 1,R 2和R 3的组合提供了(1)所述基团结合的苯环的基本上高的电子密度,使得由式(I)表示的化合物基本上不是荧光 在质子捕获之前等等,以及(2)所述基团所结合的苯环的电子密度大大降低,从而得到由式(I)表示的化合物衍生的捕获后的化合物为 在捕获质子等之后基本上高度荧光)。 提供具有优异荧光特性的荧光探针。