CN114773339B - 一种可检测赖氨酸的荧光探针及其制备方法与应用 - Google Patents
一种可检测赖氨酸的荧光探针及其制备方法与应用 Download PDFInfo
- Publication number
- CN114773339B CN114773339B CN202210462791.4A CN202210462791A CN114773339B CN 114773339 B CN114773339 B CN 114773339B CN 202210462791 A CN202210462791 A CN 202210462791A CN 114773339 B CN114773339 B CN 114773339B
- Authority
- CN
- China
- Prior art keywords
- parts
- lysine
- fluorescent probe
- reaction
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000004472 Lysine Substances 0.000 title claims abstract description 49
- 239000007850 fluorescent dye Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010992 reflux Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000012065 filter cake Substances 0.000 claims abstract description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000010791 quenching Methods 0.000 claims abstract description 9
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 claims abstract description 8
- ZCBIFHNDZBSCEP-UHFFFAOYSA-N 1H-indol-5-amine Chemical compound NC1=CC=C2NC=CC2=C1 ZCBIFHNDZBSCEP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000002386 leaching Methods 0.000 claims abstract description 6
- ZMZSYUSDGRJZNT-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)acetonitrile Chemical compound C1=CC=C2SC(CC#N)=NC2=C1 ZMZSYUSDGRJZNT-UHFFFAOYSA-N 0.000 claims abstract description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229960000583 acetic acid Drugs 0.000 claims abstract description 5
- 238000004440 column chromatography Methods 0.000 claims abstract description 5
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 5
- 230000000171 quenching effect Effects 0.000 claims abstract description 5
- 125000005605 benzo group Chemical group 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- -1 thiazole-2-yl Chemical group 0.000 claims abstract 3
- JIZVDMQXGTVYEH-UHFFFAOYSA-N 2-chloro-3H-pyrrole Chemical compound ClC1=NC=CC1 JIZVDMQXGTVYEH-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000004809 thin layer chromatography Methods 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 4
- 239000005457 ice water Substances 0.000 claims description 4
- CASUWPDYGGAUQV-UHFFFAOYSA-M potassium;methanol;hydroxide Chemical compound [OH-].[K+].OC CASUWPDYGGAUQV-UHFFFAOYSA-M 0.000 claims description 3
- 125000000437 thiazol-2-yl group Chemical group [H]C1=C([H])N=C(*)S1 0.000 claims description 3
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000001376 precipitating effect Effects 0.000 abstract description 2
- 239000012295 chemical reaction liquid Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000523 sample Substances 0.000 description 10
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 6
- 150000001413 amino acids Chemical class 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000011550 stock solution Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- 231100000263 cytotoxicity test Toxicity 0.000 description 2
- 238000002189 fluorescence spectrum Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- SLHCMPVPVQSTBV-UHFFFAOYSA-N C1=CNC2=C3C=CN=C3C=CC2=C1 Chemical group C1=CNC2=C3C=CN=C3C=CC2=C1 SLHCMPVPVQSTBV-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000003833 cell viability Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 230000003013 cytotoxicity Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000835 electrochemical detection Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001506 fluorescence spectroscopy Methods 0.000 description 1
- 238000012632 fluorescent imaging Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000004896 high resolution mass spectrometry Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000011246 intracellular protein detection Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
- C09K2211/1037—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom with sulfur
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6417—Spectrofluorimetric devices
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
本申请公开一种可检测赖氨酸的荧光探针及其制备方法与应用,荧光探针为(顺式)‑2‑(苯并[d]噻唑‑2‑基)‑3‑(7‑甲基‑9氯‑3H‑吡咯[3,2‑f]喹啉‑1‑基)丙烯腈,将5‑氨基吲哚和乙酰乙酸乙酯用溶剂溶解后,加入无水Na2SO4和冰醋酸,搅拌并加热回流。反应液过滤后取滤饼用溶剂洗涤,蒸干溶剂,加入二苯醚,搅拌并加热回流,冷却过滤分离得到中间体化合物B用DMF溶解后,滴加三氯氧磷,搅拌并加热反应。反应后淬灭反应,调节pH,析出沉淀,经柱层析分离得到中间体化合物C;用溶剂溶解后,加入苯并噻唑‑2‑乙腈和碱醇溶液,搅拌并加热回流。反应后冷却,浓缩,过滤,淋洗滤饼得所述赖氨酸荧光探针。
Description
技术领域
本发明属于荧光探针技术领域,具体涉及一种可检测赖氨酸的荧光探针及其制备方法与应用。
背景技术
现有检测赖氨酸的方法,包括比色法、液相色谱法、薄层色谱法、质谱法、发光传感器法、安培生物传感器、电化学检测法和荧光探针法。在这些方法中,荧光探针与其他复杂的方法相比,具有较高的灵敏度和良好的选择性,已被越来越多的研究者所研究。然而,在许多报道中荧光探针同时检测多种氨基酸;也就是说荧光探针对赖氨酸的选择性有待进一步研究。此外,用于检测赖氨酸的有机小分子荧光探针几乎没有报道。
发明内容
解决的技术问题:
本申请针对现有技术的不足,解决了目前没有用于检测赖氨酸的有机小分子荧光探针等技术问题,提供了一种可检测赖氨酸的荧光探针及其制备方法与应用,本发明的目的在于减少其他氨基酸的干扰,提供一种新型的高选择性的快速检测赖氨酸的有机小分子荧光探针,同时提供所述的赖氨酸荧光探针的制备方法,以及提供所述赖氨酸荧光探针的用途,将所述赖氨酸荧光探针应用于定量检测赖氨酸的含量。
技术方案:
为实现上述目的,本申请通过以下技术方案予以实现:
一种可检测赖氨酸的荧光探针,所述荧光探针为(顺式)-2-(苯并[d]噻唑-2-基)-3-(7-甲基-9氯-3H-吡咯[3,2-f]喹啉-1-基)丙烯腈,其结构式为:
进一步地,所述顺式为丙烯腈结构。
一种可检测赖氨酸的荧光探针的制备方法,包括以下步骤:
第一步:按质量份数配比将5-氨基吲哚(式A)0.260-0.268份和乙酰乙酸乙酯0.5-0.54份用40-60份无水乙醇溶剂溶解后,加入无水Na2SO40.423-0.429份和冰醋酸0.6-0.68份,搅拌并加热回流5h;反应液过滤后取滤饼用溶剂40-60份洗涤,蒸干溶剂,加入二苯醚46-50份,搅拌并加热至220-240℃回流1h,冷却至20-30℃过滤分离得到中间体化合物B;
第二步:将0.203-0.2034份中间体化合物B用1.0-2.0份DMF溶解后,冰浴冷却后移至磁力搅拌器,滴加三氯氧磷0.5-1.5份,冰浴搅拌10-20min后,移至油浴锅,升温至20-40℃,反应8h;反应后在冰浴条件下滴加冰水淬灭过量的三氯氧磷,淬灭反应后逐滴滴加氨水调节pH至8-9,析出沉淀棕色固体,经柱层析分离得到中间体化合物C;
第三步:将中间体化合物C0.244-0.245份用溶剂无水乙醇20-30份溶解后,加入苯并噻唑-2-乙腈0.346-0.35份和碱醇溶液1.2-1.6份,搅拌并加热回流12小时,通过薄层色谱法监测反应是否完成;反应后冷却,浓缩,过滤,淋洗滤饼得所述赖氨酸荧光探针。
进一步地,所述第一步中溶剂为无水乙醇。
进一步地,所述第三步中溶剂为无水乙醇,碱醇溶液为氢氧化钾甲醇。
本申请还公开了所述可检测赖氨酸的荧光探针在定量检测赖氨酸的含量中的应用。
有益效果:
本申请提供了一种可检测赖氨酸的荧光探针及其制备方法与应用,与现有技术相比,具备以下有益效果:
1.吡咯并喹啉骨架分子与苯并噻唑的结构相连而成的荧光探针对赖氨酸的专一性强,对20倍的常见阴阳离子和其他氨基酸不响应。
2.本发明荧光探针对赖氨酸具有很高的检测灵敏度,探针溶液与赖氨酸溶液一经混合即可检测。
3.本发明所提供的制备方法路线简单,易于制备,便于推广。
4.本发明赖氨酸荧光探针性能优异,可为进一步研究细胞中赖氨酸生物学功能提供可靠的工具。
附图说明
图1为本申请实施例2中荧光探针与不同浓度的赖氨酸的荧光光谱图;
图2为本申请实施例3中荧光探针与金属离子、阴离子、其他氨基酸混合后的荧光强度变化图;
图3为本申请实施例4中荧光探针与探针检测赖氨酸时在不同pH条件下的荧光强度变化图;
图4为本申请实施例5中赖氨酸荧光探针的细胞毒性实验图。
具体实施方式
下面结合具体实施例对本发明做进一步的解释说明,但具体实施例并不对本发明做任何限定。除非特别说明,实施例中所涉及的试剂、方法均为本领域常用的试剂和方法。
一种可检测赖氨酸的荧光探针,所述荧光探针为(顺式)-2-(苯并[d]噻唑-2-基)-3-(7-甲基-9氯-3H-吡咯[3,2-f]喹啉-1-基)丙烯腈,其结构式为:
所述顺式为丙烯腈结构。
一种可检测赖氨酸的荧光探针的制备方法,步骤为:
第一步:按质量份数配比将5-氨基吲哚(式A)0.260-0.268份和乙酰乙酸乙酯0.5-0.54份用40-60份无水乙醇溶剂溶解后,加入无水Na2SO40.423-0.429份和冰醋酸0.6-0.68份,搅拌并加热回流5h;反应液过滤后取滤饼用溶剂40-60份洗涤,蒸干溶剂,加入二苯醚46-50份,搅拌并加热至220-240℃回流1h,冷却至20-30℃过滤分离得到中间体化合物B;
第二步:将0.203-0.2034份中间体化合物B用1.0-2.0份DMF溶解后,冰浴冷却后移至磁力搅拌器,滴加三氯氧磷0.5-1.5份,冰浴搅拌10-20min后,移至油浴锅,升温至20-40℃,反应8h;
反应后在冰浴条件下滴加冰水淬灭过量的三氯氧磷,淬灭反应后逐滴滴加氨水调节pH至8-9,析出沉淀棕色固体,经柱层析分离得到中间体化合物C;
第三步:将中间体化合物C0.244-0.245份用溶剂无水乙醇20-30份溶解后,加入苯并噻唑-2-乙腈0.346-0.35份和碱醇溶液1.2-1.6份,搅拌并加热回流12小时,通过薄层色谱法监测反应是否完成;反应后冷却,浓缩,过滤,淋洗滤饼得所述赖氨酸荧光探针。
其制备路线如下所示:
以下通过实施例对本发明做进一步说明。
实施例1:
将0.2640g(2.0mmol)5-氨基吲哚和0.52mL(4.0mmol)乙酰乙酸乙酯加入100mL的圆底烧瓶中,以50mL无水乙醇作为溶剂,待5-氨基吲哚充分溶解后,加入0.4260g(0.03mol)Na2SO4和0.64mL(0.1mol)冰醋酸,调节温度至溶液回流5小时,通过薄层色谱法监测反应是否完成,监测标准是5-氨基吲哚的斑点消失。反应结束,通过三角漏斗过滤,除去无水硫酸钠,用无水乙醇淋洗滤饼,减压蒸馏。蒸干乙醇后移至150mL三口瓶中,以48mL二苯醚作为溶剂,加热至230℃,回流1小时,自然冷却后,移至磁力搅拌器,加入75mL正己烷,充分搅拌后析出固体,乙酸乙酯淋洗得中间体化合物B。无需进一步纯化,直接进行下一步反应。
将0.2032g(1mmol)化合物B和1.5mL DMF加入25mL的圆底烧瓶中,将烧瓶冰浴冷却后移至磁力搅拌器,滴加1.0mL三氯氧磷,冰浴搅拌15分钟后,移至油浴锅,升温至30℃,反应8小时,通过薄层色谱法监测反应是否完成,监测标准是化合物B的斑点消失。反应结束后,在冰浴条件下滴加冰水淬灭过量的三氯氧磷,淬灭后缓慢滴加氨水5mL调节pH值至8-9,析出棕色固体,经硅藻土抽滤,干燥,收集滤饼,经柱色谱法PE:EA=3:1v/v分离提纯,得黄色固体醛C(0.22g,90%)。1H NMR(400MHz,DMSO-d6):δ11.90(s,1H),7.91(d,1H,J=4.0Hz),7.67(d,1H,J=4.0Hz),7.60(s,1H),7.56(t,1H,J=2.8Hz),7.50(t,1H,J=2.0Hz),2.64(s,3H).
将0.2445g(1mmol)醛C和25mL无水乙醇加入50mL圆底烧瓶中,待醛C充分溶解后移至恒温磁力搅拌,加入0.3480mL(2mmol)苯并噻唑-2-乙腈和1.4mL(4mmol)10%氢氧化钾甲醇溶液,调节温度至溶液回流,反应12小时,通过薄层色谱法监测反应是否完成,监测标准是化合物C的斑点消失。反应结束后,自然冷却,减压抽滤,滤饼经淋洗提纯得黄色固体(0.34g,85%)。1H NMR(400MHz,DMSO-d6):δ13.53(s,1H),8.58(s,1H),8.32(m,3H),8.03(d,1H,J=4.0Hz),7.70(m,3H),2.83(s,3H);13C NMR(100MHz,DMSO-d6)δ26.12,54.47,110.45,113.61,114.20,115.93,116.70,118.90,119.09,121.03,122.33,123.11,124.16,125.89,126.82,127.41,133.21,136.47,145.67,153.48,156.42,162.18;HR-MS(ESI-TOF)m/z:[M+H]+计算值C22H14ClN4S+401.0622,测得值401.0617。
实施例2:
荧光探针与不同浓度的赖氨酸的荧光光谱测定
(1)PQLP-1探针溶液的配制:将PQLP-1用二甲亚砜配成储备液;
(2)赖氨酸溶液的配制:将赖氨酸用去离子水溶解配成储备液;
PQLP-1(5μM)去离子水溶液加入不同终浓度的赖氨酸溶液(0-500μM),在激发波长为315nm,电压700V,狭缝5nm×5nm条件下使用日立F-7000荧光分光光度计测得其荧光发射光谱,如图1所示。随着赖氨酸浓度增加,PQLP-1荧光强度在400nm处逐渐增强,因此PQLP-1可作为定量检测赖氨酸的荧光探针。本申请的PQLP-1具有良好的溶解性和检测灵敏度,在荧光探针、生物检测及荧光成像等方面具有重要的应用价值。
实施例3:
荧光探针与金属离子,阴离子,其他氨基酸混合后荧光强度变化
(1)金属离子溶液的配制:将KCl,NaCl,BaCl2,CaCl2,Cu(NO3)2,MgSO4,ZnSO4·7H2O用少量的去离子水溶解配制成储备液;
(2)阴离子溶液的配制:将KF·2H2O,NaCl,NaBr,KI,KNO3,NaNO2,KAc,NaHCO3,Na2CO3,NaHSO3,Na2SO3,Na2SO4,Na2S2O3·5H2O用少量的去离子水溶液配制成储备液;
(3)氨基酸溶液的配制:将Ala,Asn,Asp,Cys,Gln,Glu,Gly,His,Ile,Leu,Met,Phe,Pro,Ser,Thr,Trp,Tyr,Val,Hcy用少量的去离子水溶液配制成储备液;
PQLP-1(5μM)去离子水溶液加入终浓度为100μM的不同氨基酸(Ala,Asn,Asp,Cys,Gln,Glu,Gly,His,Ile,Leu,Met,Phe,Pro,Ser,Thr,Trp,Tyr,Val,Hcy)、金属离子(K+,Na+,Ba2+,Ca2+,Cu2+,Mg2+,Zn2+)、阴离子(F-,Cl-,Br-,I-,NO3 -,NO2 -,Ac-,HCO3 -,CO3 2-,HSO3 -(1mM),SO3 2-,SO4 2-,S2O3 2-)以及终浓度为50μM的赖氨酸。在激发波长为315nm,电压700V,狭缝5nm×5nm条件下使用日立F-7000荧光分光光度计进行荧光活性的测定,如图2所示,荧光探针对赖氨酸的选择性强,能实现在复杂环境中对赖氨酸进行检测。
实施例4:
荧光探针与探针检测赖氨酸时在不同pH条件下的荧光强度变化
在激发波长为315nm,电压700V,狭缝5nm×5nm条件下使用日立F-7000荧光分光光度计测定探针和探针检测赖氨酸时在pH 5~11条件下的荧光强度变化。
如图3所示,PQLP-1(5μM),赖氨酸溶液(50μM),探针和探针检测赖氨酸时在pH 5~11条件下基本保持稳定,虽然pH=9时探针荧光强度有所增强,但探针检测赖氨酸的荧光强度也同步增强。pH 5~11范围内探针检测赖氨酸保持较强的荧光强度。由此表明PQLP-1在模拟生理环境条件下可以实现对赖氨酸的胞内检测。
实施例5:
荧光探针的细胞毒性实验
将HeLa细胞加入到96孔板上,每个孔中大约有5×105个细胞,然后分别加入不同浓度的PQLP-1,在37℃,5%CO2条件下孵育48h。孵育结束前4h在每个孔中加入20μL 5mg/mLMTT,1200rcf离心5min,吸去上清液,每个孔中各加入200μL DMSO。在酶标仪上测定波长为450nm下的吸光度。每个浓度平行测定三次,然后计算细胞存活率。如图4所示,所述荧光探针具有较低的细胞毒性。
以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (4)
1.一种可检测赖氨酸的荧光探针,其特征在于:所述荧光探针为(顺式)-2-(苯并[d]噻唑-2-基)-3-(7-甲基-9氯-3H-吡咯[3,2-f]喹啉-1-基)丙烯腈,其结构式为:
。
2.根据权利要求1所述的一种可检测赖氨酸的荧光探针,其特征在于:所述顺式为丙烯腈结构。
3.一种如权利要求1所述可检测赖氨酸的荧光探针的制备方法,其特征在于:包括以下步骤:
第一步:按质量份数配比将5-氨基吲哚(式A)0.260-0.268份和乙酰乙酸乙酯0.5-0.54份用40-60份无水乙醇溶剂溶解后,加入无水Na2SO40.423-0.429份和冰醋酸0.6-0.68份,搅拌并加热回流5h;反应液过滤后取滤饼用溶剂40-60份洗涤,蒸干溶剂,加入二苯醚46-50份,搅拌并加热至220-240℃回流1h,冷却至20-30℃过滤分离得到中间体化合物B;
第二步: 将0.203-0.2034份中间体化合物B用1.0-2.0份DMF溶解后,冰浴冷却后移至磁力搅拌器,滴加三氯氧磷0.5-1.5份,冰浴搅拌10-20min后,移至油浴锅,升温至20-40℃,反应8h;反应后在冰浴条件下滴加冰水淬灭过量的三氯氧磷,淬灭反应后逐滴滴加氨水调节pH至8-9,析出沉淀棕色固体,经柱层析分离得到中间体化合物C;
第三步: 将中间体化合物C0.244-0.245份用溶剂无水乙醇20-30份溶解后,加入苯并噻唑-2-乙腈0.346-0.35份和氢氧化钾甲醇体系1.2-1.6份,搅拌并加热回流12小时,通过薄层色谱法监测反应是否完成;反应后冷却,浓缩,过滤,淋洗滤饼得所述赖氨酸荧光探针。
4.一种权利要求1所述可检测赖氨酸的荧光探针在定量检测赖氨酸的含量中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210462791.4A CN114773339B (zh) | 2022-04-28 | 2022-04-28 | 一种可检测赖氨酸的荧光探针及其制备方法与应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210462791.4A CN114773339B (zh) | 2022-04-28 | 2022-04-28 | 一种可检测赖氨酸的荧光探针及其制备方法与应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114773339A CN114773339A (zh) | 2022-07-22 |
CN114773339B true CN114773339B (zh) | 2024-05-14 |
Family
ID=82434623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210462791.4A Active CN114773339B (zh) | 2022-04-28 | 2022-04-28 | 一种可检测赖氨酸的荧光探针及其制备方法与应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114773339B (zh) |
-
2022
- 2022-04-28 CN CN202210462791.4A patent/CN114773339B/zh active Active
Non-Patent Citations (1)
Title |
---|
A New Pyrroloquinoline-Derivative-Based Fluorescent Probe for the Selective Detection and Cell Imaging of Lysine;Bing Yang,et al.;Pharmaceuticals;第15卷;474 * |
Also Published As
Publication number | Publication date |
---|---|
CN114773339A (zh) | 2022-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106220640B (zh) | 一类汞离子荧光探针及其制备方法和应用 | |
CN107417671B (zh) | 一种含喹啉取代的香豆素衍生物及其制备方法和在比率型pH荧光探针上的应用 | |
CN114181204B (zh) | 一种检测粘度的近红外荧光探针及其制备和应用 | |
CN105906623A (zh) | 一种吡啶并[1,2-a]苯并咪唑羧酸类pH荧光探针及其应用 | |
CN113121576B (zh) | 一种对酸、碱环境具有不同检测信号的分子传感器及应用 | |
CN106800548B (zh) | 8-苯并咪唑喹啉衍生物比率型pH探针及其制备方法和应用 | |
CN114773339B (zh) | 一种可检测赖氨酸的荧光探针及其制备方法与应用 | |
CN114437010A (zh) | 溶酶体定位粘度响应的双光子荧光探针分子及制备方法 | |
CN111154482B (zh) | 一种生物纳米复合材料及其合成方法和应用 | |
CN114133387B (zh) | 具有粘度传感性质的可靶向多种细胞器的荧光探针 | |
CN116239518A (zh) | 一种具有“esipt+aie”效应的近红外荧光分子探针的制备及应用 | |
CN113121488B (zh) | 一种基于香豆素衍生物的检测偶氮还原酶的荧光探针分子及其制备方法和应用 | |
CN112159381B (zh) | 一种aie型香豆素衍生物荧光探针及其制备方法和应用 | |
CN111217820B (zh) | 香豆素-吖啶酮荧光探针及其制备方法和应用 | |
CN108949159B (zh) | 一种检测钯离子的荧光探针及其合成方法和应用 | |
CN111662316B (zh) | 一种吲哚类过氧化氢荧光探针及其制备方法 | |
CN114621174B (zh) | 检测过氧亚硝基阴离子的荧光探针及其制备方法和应用 | |
CN111995599A (zh) | 一种比率型荧光分子探针及其制备方法与应用 | |
CN114163422B (zh) | 一种用于检测酸性pH值的比率型荧光探针及其制备方法和应用 | |
CN113444067B (zh) | 一种苯并噻吩羧酸盐的制备方法及应用 | |
CN111285866A (zh) | 一种检测Hg2+/ClO-的双通道小檗碱基荧光探针及其制备方法和应用 | |
CN113004310B (zh) | 一种基于dcpo母核的过氧化氢比率型荧光分子探针的制备方法及其应用 | |
CN115403552B (zh) | 一种单激发检测亚铜离子的近红外比率荧光探针,制备及应用 | |
CN116239893B (zh) | 一种季铵盐修饰的花菁类荧光染料及其合成方法和应用 | |
CN114409876B (zh) | 一种对镉和锌双金属离子识别的聚合物及其制备方法、应用和分析方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |