CN111334071B - 一类680nm激发的高亮度荧光染料及其合成方法 - Google Patents
一类680nm激发的高亮度荧光染料及其合成方法 Download PDFInfo
- Publication number
- CN111334071B CN111334071B CN201811551000.5A CN201811551000A CN111334071B CN 111334071 B CN111334071 B CN 111334071B CN 201811551000 A CN201811551000 A CN 201811551000A CN 111334071 B CN111334071 B CN 111334071B
- Authority
- CN
- China
- Prior art keywords
- tetrachloroperylene
- dibromo
- imide
- fluorescent dye
- alkyl
- 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
- 239000007850 fluorescent dye Substances 0.000 title claims abstract description 32
- 238000010189 synthetic method Methods 0.000 title description 5
- HONIICLYMWZJFZ-UHFFFAOYSA-N azetidine Chemical compound C1CNC1 HONIICLYMWZJFZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000799 fluorescence microscopy Methods 0.000 claims abstract description 9
- 230000005284 excitation Effects 0.000 claims abstract description 6
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims abstract description 6
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000002393 azetidinyl group Chemical group 0.000 claims abstract 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 27
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 17
- -1 9, 10-dibromo-1, 6,7, 12-tetrachloroperylene anhydride Chemical class 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 230000002194 synthesizing effect Effects 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 10
- 229910002027 silica gel Inorganic materials 0.000 claims description 10
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 9
- 229960000583 acetic acid Drugs 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003208 petroleum Substances 0.000 claims description 9
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 239000005457 ice water Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000012295 chemical reaction liquid Substances 0.000 claims description 4
- 239000003480 eluent Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001917 fluorescence detection Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- BFMYDTVEBKDAKJ-UHFFFAOYSA-L disodium;(2',7'-dibromo-3',6'-dioxido-3-oxospiro[2-benzofuran-1,9'-xanthene]-4'-yl)mercury;hydrate Chemical compound O.[Na+].[Na+].O1C(=O)C2=CC=CC=C2C21C1=CC(Br)=C([O-])C([Hg])=C1OC1=C2C=C(Br)C([O-])=C1 BFMYDTVEBKDAKJ-UHFFFAOYSA-L 0.000 claims 1
- 239000000543 intermediate Substances 0.000 claims 1
- 238000006862 quantum yield reaction Methods 0.000 abstract description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 39
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 24
- 239000000975 dye Substances 0.000 description 20
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 12
- 238000002189 fluorescence spectrum Methods 0.000 description 10
- 241000252212 Danio rerio Species 0.000 description 8
- 238000000862 absorption spectrum Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 239000012085 test solution Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- WTNVIESRPVGPOT-UHFFFAOYSA-N ClC1=CC=C2C=CC(=C3C4=C(C=C(C5=C(C=C(C(C1=C23)=C45)Cl)Br)Br)Cl)Cl Chemical group ClC1=CC=C2C=CC(=C3C4=C(C=C(C5=C(C=C(C(C1=C23)=C45)Cl)Br)Br)Cl)Cl WTNVIESRPVGPOT-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 238000002073 fluorescence micrograph Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000366 juvenile effect Effects 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 2
- 238000002211 ultraviolet spectrum Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GIAFURWZWWWBQT-UHFFFAOYSA-N 2-(2-aminoethoxy)ethanol Chemical compound NCCOCCO GIAFURWZWWWBQT-UHFFFAOYSA-N 0.000 description 1
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 210000004102 animal cell Anatomy 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000001218 confocal laser scanning microscopy Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011503 in vivo imaging Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000037356 lipid metabolism Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 238000003333 near-infrared imaging Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/001—Preparation for luminescence or biological staining
- A61K49/0013—Luminescence
- A61K49/0017—Fluorescence in vivo
- A61K49/0019—Fluorescence in vivo characterised by the fluorescent group, e.g. oligomeric, polymeric or dendritic molecules
- A61K49/0021—Fluorescence in vivo characterised by the fluorescent group, e.g. oligomeric, polymeric or dendritic molecules the fluorescent group being a small organic molecule
-
- 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
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Analytical Chemistry (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Materials Engineering (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
本发明提供了一类680nm激发的高亮度荧光染料及其合成方法,该荧光染料为通过在苝酰亚胺9,10‑位引入氮杂环丁烷结构设计合成的一系列高亮度的680nm荧光染料,其结构式如(1)所示,氮杂环丁烷的供电性将苝酰亚胺的荧光发射波长拓展至700nm以上,激发波长也红移至680nm左右。而较为刚性的结构也限制了分子本身的非辐射弛豫,量子产率在近红外区仍然能够保持在0.40。本系列荧光染料能够广泛应用于活细胞、活体等实时荧光成像。
Description
技术领域
本发明属于近红外荧光染料领域,具体涉及一类680nm激发的高亮度荧光染料及其合成方法。
背景技术
近红外荧光成像技术被认为是活体相关研究中重要的技术手段,由于650nm以上为动物细胞自发荧光的沉默区,所以近红外区域能够得到更高的信噪比。此外,光的散射能力与光波长的四次方成反比,波长长则散射能力弱组织穿透能力强,即近红外成像能够得到更深组织的荧光信息。但是,结构简单的近红外有机小分子荧光染料均存在光稳定差、荧光亮度低等问题,很难实现长时间对细胞及活体的监测。
目前,应用最为广泛的近红外荧光染料为花菁染料,其也被认为是最理想的用于活体成像的有机荧光染料。680nm激发的花菁染料基于Cy5.5母体,光稳定性较差,在基态即很容易被单线态氧氧化而发生变质。此外,Cy5.5荧光发射波长通常小于710nm,斯托克斯位移为30nm,在最大激发波长的作用下不能得到较完整的发射光谱数据,容易发生自淬灭的现象,造成信噪比的下降。因此,在680nm波段仍亟需新型高亮度、大斯托克斯位移、长荧光发射的荧光染料,以应用于荧光多色成像及活体研究中。
发明内容
本发明的目的提供一类680nm激发的高亮度荧光染料及其合成方法。,
一类680nm激发的高亮度荧光染料该系列染料荧光量子产率在不同溶剂中达到0.40以上。
本发明提供一类680nm激发的高亮度荧光染料,以苝酰亚胺为荧光团,通过9,10-位刚性结构的引入使苝酰亚胺的荧光稳定性、亮度得到大幅度提升。同时,双供电子体使荧光波长红移至710-750nm。
一类680nm激发的高亮度荧光染料,该系列荧光染料具有如下结:
一类680nm激发的高亮度荧光染料的合成方法,此系列荧光染料合成路线,如下:
具体合成步骤如下:
(1)中间体N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺的合成:
将9,10-二溴-1,6,7,12-四氯苝酰亚胺与醇伯胺或脂肪伯胺溶于N-甲基吡咯烷酮与冰醋酸混合液中;将反应液加热至100-140℃,搅拌1-10h;将反应液泠却至室温后倒入冰水中抽滤得黑色固体,真空干燥,硅胶柱(200-300目二氧化硅)分离,以二氯甲烷:石油醚(体积比1:0.25~6)为洗脱剂,减压除去溶剂得深红色固体N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺。
其中,9,10-二溴-1,6,7,12-四氯苝酰亚胺与醇伯胺或脂肪伯胺的质量比为1-10:1;9,10-二溴-1,6,7,12-四氯苝酰亚胺的质量与N-甲基吡咯烷酮与醋酸混合液的体积比为1:20-120(g:mL);N-甲基吡咯烷酮与冰醋酸的体积比为1-3:3-4。
(2)探针N-烷基-9,10-二氮杂环丁基-1,6,7,12-四氯苝酰亚胺的合成:
将N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺,溶于乙二醇甲醚中,并向其中加入氮杂环丁烷;而后将反应液缓慢升温至90-130℃,并在氮气保护下反应10-24h;减压除去溶剂,硅胶柱(200-300目二氧化硅)分离,以二氯甲烷:石油醚(体积比1:0~1)为洗脱剂,减压除去溶剂,得蓝色固体探针N-烷基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺。
其中,N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺与氮杂环丁烷的质量比为1-4:1-6;氮杂环丁烷与乙二醇甲醚的质量与体积比为5-120:1(mg:mL)。
一类680nm激发的高亮度荧光染料荧光量子产率高,DMSO中量子产率0.40,荧光发射波长达到710-750nm。
本发明一类680nm激发的高亮度荧光染料的合成方法,该方法具有操作简单、容易提纯等优点。
一类680nm激发的高亮度荧光染料在活细胞、组织及活体近红外荧光成像与检测领域的应用
本发明具有以下特点:
本发明涉及的染料拥有合成原料低价、方法简单且便于功能化、修饰等优点。
本发明涉及的染料在不同有机溶剂中吸收波长在670-710nm右,荧光发射波长在710-750nm。该类列染料斯托克斯位移最大可以达到60nm。
本发明涉及的染料吸收波长及荧光发射波长均达到了近红外区域,能够用于活细胞及活体荧光成像,组织穿透能力强,对细胞损伤小。
附图说明
图1实施例2制备的N-丁基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺(BuLD-DAze)的核磁谱图氢谱。
图2实施例3制备的N-(2-(2-羟基)-乙氧基)乙基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺(OLD-DAze)的核磁谱图氢谱。
图3为实施例2制备的染料BuLD-DAze在不同溶剂中的归一化荧光谱图,横坐标为波长,纵坐标为荧光强度,荧光探针的浓度为10μM。
图4为实施例2制备的染料BuLD-DAze在不同溶剂中的归一化紫外吸收谱图,横坐标为波长,纵坐标为吸收强度,荧光探针的浓度为10μM。
图5为实施例3制备的染料OLD-DAze在不同溶剂中的归一化荧光谱图,横坐标为波长,纵坐标为荧光强度,荧光探针的浓度为10μM。
图6为实施例3制备的染料OLD-DAze在不同溶剂中的归一化紫外吸收谱图,横坐标为波长,纵坐标为吸收强度,荧光探针的浓度为10μM。
图7为实施例3制备的染料OLD-Daze在斑马鱼中成像图,左图为斑马鱼显微镜下宽敞成像图,右图为斑马鱼荧光成像图。
具体实施方式
实施例1
染料MLD-DAze的合成方法。
中间体N-甲基-9,10-二溴-1,6,7,12-四氯苝酰亚胺的合成:
将1,6,7,12-四氯-9,10-二溴-3,4-苝酐(1.0g,1.62mmol)溶于乙酸与N-甲基吡咯烷酮混合液120mL(4:1,V/V),而后向其中滴加甲胺(100mg)醇溶液。100℃反应3h后,将反应液倒入200mL冰水中,沉降并过滤得黑色固体。黑色固体经硅胶柱分离(石油醚:二氯甲烷=1:1,V/V)得红色固体459mg,产率45%。
其核磁氢谱数据如下:
1H NMR(400MHz,CDCl3)δ8.54(s,2H),8.12(s,2H),4.21(s,3H).
染料N-甲基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺的合成:
将N-甲基-1,6,7,12-四氯-9,10-二溴-3,4-苝酰亚胺(200mg,0.30mmol)与氮杂环丁烷(50mg,0.87mmol)溶于10mL乙二醇甲醚,并将其加热至120℃。12h后减压除去溶剂,残余物经硅胶柱分离(石油醚:二氯甲烷=1:4,V/V)得蓝绿色固体33mg,产率18%。其核磁氢谱数据如下:
1H NMR(400MHz,CDCl3)δ8.51(s,2H),6.57(s,2H),4.20(s,3H),4.11(s,8H),2.50(s,4H).
经检测,其结构如上式MLD-DAze所示,其激发波长在650-700nm,适合680nm激光激发用于荧光标记及成像。
实施例2
染料BuLD-DAze的合成方法。
中间体N-丁基-9,10-二溴-1,6,7,12-四氯苝酰亚胺的合成:
将1,6,7,12-四氯-9,10-二溴-3,4-苝酐(1.2g,1.96mmol)溶于乙酸与N-甲基吡咯烷酮混合液24mL(1:1,V/V),而后向其中滴加正丁胺(1.2g,16.4mmol)。140℃反应1h后,将反应液倒入200mL冰水中,沉降并过滤得黑色固体。黑色固体经硅胶柱分离(石油醚:二氯甲烷=1:1,V/V)得红色固体600mg,产率46%。其核磁氢谱数据如下:
1H NMR(400MHz,CDCl3)δ8.59(s,2H),8.14(s,2H),4.38–4.11(m,2H),1.94–1.66(m,2H),1.56–1.38(m,2H),0.99(t,J=7.1Hz,3H).
染料N-丁基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺的合成:
将N-丁基-1,6,7,12-四氯-9,10-二溴-3,4-苝酰亚胺(200mg,0.30mmol)与氮杂环丁烷(86mg,1.50mmol)溶于10mL乙二醇甲醚,并将其加热至130℃。12h后减压除去溶剂,残余物经硅胶柱分离(石油醚:二氯甲烷=1:4,V/V)得蓝绿色固体46mg,产率25%。实施例2制备的BuLD-DAze的核磁谱图氢谱如图1所示,具体数据为:
1H NMR(400MHz,CDCl3)δ8.52(s,2H),6.55(s,2H),4.25–4.19(m,2H),4.09(s,8H),2.48(s,4H),1.79–1.67(m,2H),1.48(dd,J=14.9,7.4Hz,2H),0.99(t,J=7.4Hz,3H).
经检测,其结构如上式BuLD-DAze所示,其荧光性能检测如下:
将BuLD-DAze溶解于DMSO溶液中,配制成2mM母液,根据需要配制成不同浓度测试溶液,以检测其荧光光谱、紫外光谱的检测。
BuLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜等溶剂中的荧光发射光谱测试与紫外吸收光谱测试。每次取20μL BuLD-DAze母液,分别加入4mL乙腈、氯仿、乙醇、二甲基亚砜,配制成10μM的荧光染料测试液,并进行荧光光谱的测试与紫外吸收光谱测试。
BuLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的归一化的荧光谱图如图3所示:BuLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的荧光发射波长在710-750nm,DMSO中荧光量子产率达到0.40。
BuLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的归一化的紫外吸收谱图如图4所示:由于双氨基供体的强供电性BuLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜、水中的紫外吸收波长在达到670-700nm。
实施例3
染料OLD-DAze的合成方法。
中间体N-(2-(2-羟基)-乙氧基)乙基-9,10-二溴-1,6,7,12-四氯苝酰亚胺的合成:
将1,6,7,12-四氯-9,10-二溴-3,4-苝酐(1.2g,1.96mmol)溶于乙酸与N-甲基吡咯烷酮混合液80mL(2:1,V/V),而后向其中滴加二甘醇胺(303mg,8.79mmol)。100℃反应6h后,将反应液倒入150mL冰水中,沉降并过滤得黑色固体。黑色固体经硅胶柱分离(石油醚:二氯甲烷=1:1-1:4,V/V)得红色固体380mg,产率55%。其核磁氢谱数据如下:
1H NMR(400MHz,CDCl3)δ8.60(s,2H),8.13(s,2H),4.67–4.41(m,2H),3.88(d,J=5.3Hz,2H),3.71(d,J=4.5Hz,2H),3.67(d,J=3.6Hz,2H),2.38(s,1H).
染料N-(2-(2-羟基)-乙氧基)乙基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺(OLD-DAze)的合成:
将OLD-DBr(200mg,0.28mmol)与氮杂环丁烷(1.2g,16.4mmol)溶于10mL乙二醇甲醚,并将其加热至90℃。24h后减压除去溶剂,残余物经硅胶柱分离(展开剂:二氯甲烷)得蓝绿色固体60mg,产率32%。实施例3制备的OLD-DAze的核磁谱图氢谱如图2所示,具体数据为:
1H NMR(400MHz,CDCl3)δ8.53(s,2H),6.57(s,2H),4.57–4.37(m,2H),4.10(s,8H),3.88(d,J=4.9Hz,2H),3.71(s,4H),2.50(s,4H).
经检测,其结构如上式OLD-DAze所示,其荧光性能检测如下:
将OLD-DAze溶解于DMSO溶液中,配制成2mM母液,根据需要配制成不同浓度测试溶液,以检测其荧光光谱、紫外光谱的检测。
OLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜等溶剂中的荧光发射光谱测试与紫外吸收光谱测试。每次取20μL OLD-DAze母液,分别加入4mL乙腈、氯仿、乙醇、二甲基亚砜,配制成10μM的荧光染料测试液,并进行荧光光谱的测试与紫外吸收光谱测试。
OLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的归一化的荧光谱图如图5所示:OLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的荧光发射波长在710-750nm,乙醇中荧光发射波长达到731nm。
OLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜中的归一化的紫外吸收谱图如图6所示:OLD-DAze在乙腈、氯仿、乙醇、二甲基亚砜、水中的紫外吸收波长在680nm左右,可用于680nm激光激发。
将该类染料分别溶解于DMSO溶液中,配制成不同染料的2mM母液,根据需要配制成不同浓度测试溶液,以用于细胞及活体内荧光成像。
实施例4
OLD-DAze对活体斑马鱼染色后荧光成像测试。取1μL OLD-DAze母液溶于1mL斑马鱼幼鱼(3-5天)培养液中,并在室温孵育20分钟后进行共聚焦荧光成像。
OLD-DAze终浓度为2μM的斑马鱼培养液孵育斑马鱼幼鱼20分钟后共聚焦荧光成像图如图7所示:右图荧光成像图中OLD-DAze能够对斑马鱼体内脂类代谢中心肝脏进行特异性标记,实现活体荧光成像。
Claims (5)
2. 一种如权利要求1所述的一类680 nm激发的高亮度荧光染料的合成方法,其特征在于包含步骤如下:
(1)中间体N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺的合成:
将9,10-二溴-1,6,7,12-四氯苝酐与醇伯胺或脂肪伯胺溶于N-甲基吡咯烷酮与冰醋酸混合液中;将反应液加热至100-140 ℃,搅拌1-10 h;将反应液泠却至室温后倒入冰水中抽滤得黑色固体,真空干燥,经200-300目二氧化硅硅胶柱分离,以体积比为1:0.25~6的二氯甲烷和石油醚为洗脱剂,减压除去溶剂得深红色固体N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺;其中探针N-烷基-9,10-二氮杂环丁基-1,6,7,12-四氯苝酰亚胺的合成:
将N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺,溶于乙二醇甲醚中,并向其中加入氮杂环丁烷;而后将反应液缓慢升温至90-130 ℃,并在氮气保护下反应10-24 h;减压除去溶剂,经200-300目二氧化硅硅胶柱分离,以体积比1:0~1的二氯甲烷:石油醚为洗脱剂,减压除去溶剂,得蓝色固体探针N-烷基-9,10-二-氮杂环丁基-1,6,7,12-四氯苝酰亚胺。
3.根据权利要求2所述的一类680 nm激发的高亮度荧光染料的合成方法,其特征在于步骤(1)中, 9,10-二溴-1,6,7,12-四氯苝酐与醇伯胺或脂肪伯胺的质量比为1-10:1;
9,10-二溴-1,6,7,12-四氯苝酐的质量与N-甲基吡咯烷酮与冰醋酸混合液的体积比为1:20-120 g/mL;
N-甲基吡咯烷酮与冰醋酸的体积比为1-3:3-4。
4.根据权利要求2所述的一类680 nm激发的高亮度荧光染料的合成方法,其特征在于步骤(2)中, N-烷基-9,10-二溴-1,6,7,12-四氯苝酰亚胺与氮杂环丁烷的质量比为1-4:1-6;
氮杂环丁烷的质量与乙二醇甲醚的体积比为5-120:1mg/ml。
5.一种如权利要求1所述的一类680 nm激发的高亮度荧光染料在活细胞、组织及活体近红外荧光成像与检测领域的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811551000.5A CN111334071B (zh) | 2018-12-18 | 2018-12-18 | 一类680nm激发的高亮度荧光染料及其合成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811551000.5A CN111334071B (zh) | 2018-12-18 | 2018-12-18 | 一类680nm激发的高亮度荧光染料及其合成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111334071A CN111334071A (zh) | 2020-06-26 |
CN111334071B true CN111334071B (zh) | 2021-11-09 |
Family
ID=71177520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811551000.5A Active CN111334071B (zh) | 2018-12-18 | 2018-12-18 | 一类680nm激发的高亮度荧光染料及其合成方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111334071B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104603112A (zh) * | 2012-08-30 | 2015-05-06 | 巴斯夫欧洲公司 | 经由多功能结构单元双给体官能化苝和萘单酰亚胺的迫位 |
CN108069967A (zh) * | 2016-11-15 | 2018-05-25 | 中国科学院大连化学物理研究所 | 一种用于细胞内蛋白标记的荧光探针及其合成方法和应用 |
-
2018
- 2018-12-18 CN CN201811551000.5A patent/CN111334071B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104603112A (zh) * | 2012-08-30 | 2015-05-06 | 巴斯夫欧洲公司 | 经由多功能结构单元双给体官能化苝和萘单酰亚胺的迫位 |
CN108069967A (zh) * | 2016-11-15 | 2018-05-25 | 中国科学院大连化学物理研究所 | 一种用于细胞内蛋白标记的荧光探针及其合成方法和应用 |
Non-Patent Citations (1)
Title |
---|
Heteroatom-substituted rhodamine dyes: Structure and spectroscopic properties;Deng Fei et al.;《Chinese Chemical Letters》;20181213;第30卷(第10期);1667-1681 * |
Also Published As
Publication number | Publication date |
---|---|
CN111334071A (zh) | 2020-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111333616B (zh) | 一种用于脂滴标记的近红外荧光染料及其合成方法和应用 | |
Wang et al. | Rational design of novel near-infrared fluorescent DCM derivatives and their application in bioimaging | |
WO2013131235A1 (zh) | 一类以萘为母体的双光子荧光探针、其制备方法及应用 | |
Sun et al. | Near-infrared dual-functional AIEgens for lipid droplets imaging in multispecies and photodynamic therapy | |
CN111333617B (zh) | 一类用于脂滴标记的荧光染料及其合成方法和应用 | |
CN111334071B (zh) | 一类680nm激发的高亮度荧光染料及其合成方法 | |
CN111334287B (zh) | 一类710nm激发的高亮度荧光染料及其合成方法 | |
CN111334069B (zh) | 一类基于苝酰亚胺的近红外荧光染料及其合成方法和应用 | |
CN111334082B (zh) | 一种高稳定性近红外脂滴荧光染料及其合成和应用 | |
CN111333644B (zh) | 一类近红外脂滴荧光染料及其的合成方法和应用 | |
CN111334073B (zh) | 一种用于超分辨成像的脂滴荧光染料及其合成和生物应用 | |
CN112939960B (zh) | 羰基氮杂环丁烷取代的nbd类荧光染料及其合成方法和应用 | |
CN112939936B (zh) | 羰基氮杂环丁烷取代的萘酰亚胺类荧光染料及其合成方法和应用 | |
CN111333619B (zh) | 一类488nm激发的高稳定性超分辨荧光染料及其合成和应用 | |
Luo et al. | Structurally-thrifty and visible-absorbing fluorophores | |
CN111334075B (zh) | 一种450nm激发的高亮度、高稳定性荧光染料及其合成方法 | |
CN111334074A (zh) | 一种高亮度、高稳定性线粒体荧光染料 | |
CN112939950A (zh) | 羰基氮杂环丁烷取代的香豆素类荧光染料及其合成方法和应用 | |
Zhang et al. | Novel nonplanar and rigid fluorophores with intensive emission in water and the application in two-photon imaging of live cells | |
CN111333621B (zh) | 一种488nm激发的免洗Halo-tag探针及其合成和生物应用 | |
CN111303153B (zh) | 一种高亮度的免洗SNAP-tag探针及其合成方法和应用 | |
CN111337460B (zh) | 一种高稳定性Halo-tag探针及其合成和生物应用 | |
CN111333660B (zh) | 一类550nm激发的罗丹明类染料及其制备方法 | |
CN114644598B (zh) | 二氢吩嗪衍生物及其用途 | |
CN111334084B (zh) | 一种高亮度、高稳定性、高渗透性线粒体荧光染料 |
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 |