JP5284110B2 - 蛍光プローブ - Google Patents
蛍光プローブ Download PDFInfo
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- JP5284110B2 JP5284110B2 JP2008558145A JP2008558145A JP5284110B2 JP 5284110 B2 JP5284110 B2 JP 5284110B2 JP 2008558145 A JP2008558145 A JP 2008558145A JP 2008558145 A JP2008558145 A JP 2008558145A JP 5284110 B2 JP5284110 B2 JP 5284110B2
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- 239000007850 fluorescent dye Substances 0.000 title claims description 41
- 150000001875 compounds Chemical class 0.000 claims description 64
- 125000001424 substituent group Chemical group 0.000 claims description 36
- -1 2-pyridylethyl group Chemical group 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 22
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 21
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 150000002500 ions Chemical class 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 5
- 125000006479 2-pyridyl methyl group Chemical group [H]C1=C([H])C([H])=C([H])C(=N1)C([H])([H])* 0.000 claims description 4
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 4
- 238000001139 pH measurement Methods 0.000 claims description 2
- 125000005605 benzo group Chemical group 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 18
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 17
- 238000002835 absorbance Methods 0.000 description 15
- 230000005284 excitation Effects 0.000 description 15
- 210000001519 tissue Anatomy 0.000 description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 11
- 150000002148 esters Chemical class 0.000 description 11
- 238000000695 excitation spectrum Methods 0.000 description 11
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 11
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 238000000862 absorption spectrum Methods 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 7
- 230000003834 intracellular effect Effects 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 125000001309 chloro group Chemical group Cl* 0.000 description 5
- 239000006184 cosolvent Substances 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- 125000005843 halogen group Chemical group 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 125000002950 monocyclic group Chemical group 0.000 description 5
- 125000003367 polycyclic group Chemical group 0.000 description 5
- 239000012064 sodium phosphate buffer Substances 0.000 description 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 210000000170 cell membrane Anatomy 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- YDNKGFDKKRUKPY-JHOUSYSJSA-N C16 ceramide Natural products CCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)C=CCCCCCCCCCCCCC YDNKGFDKKRUKPY-JHOUSYSJSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 229940106189 ceramide Drugs 0.000 description 3
- ZVEQCJWYRWKARO-UHFFFAOYSA-N ceramide Natural products CCCCCCCCCCCCCCC(O)C(=O)NC(CO)C(O)C=CCCC=C(C)CCCCCCCCC ZVEQCJWYRWKARO-UHFFFAOYSA-N 0.000 description 3
- 230000005591 charge neutralization Effects 0.000 description 3
- 229940125782 compound 2 Drugs 0.000 description 3
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical group O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- VVGIYYKRAMHVLU-UHFFFAOYSA-N newbouldiamide Natural products CCCCCCCCCCCCCCCCCCCC(O)C(O)C(O)C(CO)NC(=O)CCCCCCCCCCCCCCCCC VVGIYYKRAMHVLU-UHFFFAOYSA-N 0.000 description 3
- 150000003904 phospholipids Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 229940125898 compound 5 Drugs 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000001072 heteroaryl group Chemical group 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000008363 phosphate buffer Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000003107 substituted aryl group Chemical group 0.000 description 2
- 125000005918 1,2-dimethylbutyl group Chemical group 0.000 description 1
- 125000006218 1-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004066 1-hydroxyethyl group Chemical group [H]OC([H])([*])C([H])([H])[H] 0.000 description 1
- LRYZPFWEZHSTHD-HEFFAWAOSA-O 2-[[(e,2s,3r)-2-formamido-3-hydroxyoctadec-4-enoxy]-hydroxyphosphoryl]oxyethyl-trimethylazanium Chemical class CCCCCCCCCCCCC\C=C\[C@@H](O)[C@@H](NC=O)COP(O)(=O)OCC[N+](C)(C)C LRYZPFWEZHSTHD-HEFFAWAOSA-O 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- 125000005916 2-methylpentyl group Chemical group 0.000 description 1
- 125000005917 3-methylpentyl group Chemical group 0.000 description 1
- NJYVEMPWNAYQQN-UHFFFAOYSA-N 5-carboxyfluorescein Chemical compound C12=CC=C(O)C=C2OC2=CC(O)=CC=C2C21OC(=O)C1=CC(C(=O)O)=CC=C21 NJYVEMPWNAYQQN-UHFFFAOYSA-N 0.000 description 1
- BZTDTCNHAFUJOG-UHFFFAOYSA-N 6-carboxyfluorescein Chemical compound C12=CC=C(O)C=C2OC2=CC(O)=CC=C2C11OC(=O)C2=CC=C(C(=O)O)C=C21 BZTDTCNHAFUJOG-UHFFFAOYSA-N 0.000 description 1
- 0 C*(*=C)N[*@@](C(CC*)=C(C1)C1(*)C(C)(C)CC(C)=*)*1=CC1 Chemical compound C*(*=C)N[*@@](C(CC*)=C(C1)C1(*)C(C)(C)CC(C)=*)*1=CC1 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000004471 Glycine Substances 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000006907 apoptotic process Effects 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 230000003915 cell function Effects 0.000 description 1
- 230000036755 cellular response Effects 0.000 description 1
- 210000002314 coated vesicle Anatomy 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 210000000805 cytoplasm Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005595 deprotonation Effects 0.000 description 1
- 238000010537 deprotonation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ZGSPNIOCEDOHGS-UHFFFAOYSA-L disodium [3-[2,3-di(octadeca-9,12-dienoyloxy)propoxy-oxidophosphoryl]oxy-2-hydroxypropyl] 2,3-di(octadeca-9,12-dienoyloxy)propyl phosphate Chemical compound [Na+].[Na+].CCCCCC=CCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCC=CCCCCC)COP([O-])(=O)OCC(O)COP([O-])(=O)OCC(OC(=O)CCCCCCCC=CCC=CCCCCC)COC(=O)CCCCCCCC=CCC=CCCCCC ZGSPNIOCEDOHGS-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012202 endocytosis Effects 0.000 description 1
- 210000001163 endosome Anatomy 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 150000004665 fatty acids Chemical group 0.000 description 1
- 150000002211 flavins Chemical class 0.000 description 1
- 238000000799 fluorescence microscopy Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 238000012632 fluorescent imaging Methods 0.000 description 1
- 238000001215 fluorescent labelling Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000013632 homeostatic process Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011503 in vivo imaging Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 230000037427 ion transport Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 210000003712 lysosome Anatomy 0.000 description 1
- 230000001868 lysosomic effect Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- BOPGDPNILDQYTO-NNYOXOHSSA-N nicotinamide-adenine dinucleotide Chemical compound C1=CCC(C(=O)N)=CN1[C@H]1[C@H](O)[C@H](O)[C@@H](COP(O)(=O)OP(O)(=O)OC[C@@H]2[C@H]([C@@H](O)[C@@H](O2)N2C3=NC=NC(N)=C3N=C2)O)O1 BOPGDPNILDQYTO-NNYOXOHSSA-N 0.000 description 1
- 229930027945 nicotinamide-adenine dinucleotide Natural products 0.000 description 1
- 210000003463 organelle Anatomy 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000007793 ph indicator Substances 0.000 description 1
- 150000008103 phosphatidic acids Chemical class 0.000 description 1
- 150000008105 phosphatidylcholines Chemical class 0.000 description 1
- 150000008104 phosphatidylethanolamines Chemical class 0.000 description 1
- 229940067605 phosphatidylethanolamines Drugs 0.000 description 1
- 150000003905 phosphatidylinositols Chemical class 0.000 description 1
- 229940067626 phosphatidylinositols Drugs 0.000 description 1
- 150000008106 phosphatidylserines Chemical class 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 210000004739 secretory vesicle Anatomy 0.000 description 1
- DYPYMMHZGRPOCK-UHFFFAOYSA-N seminaphtharhodafluor Chemical compound O1C(=O)C2=CC=CC=C2C21C(C=CC=1C3=CC=C(O)C=1)=C3OC1=CC(N)=CC=C21 DYPYMMHZGRPOCK-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical group 0.000 description 1
- 235000008979 vitamin B4 Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/14—Radicals substituted by nitrogen atoms, not forming part of a nitro radical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Indole Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
また、本発明により、上記一般式(I)で表される化合物、好ましくは上記一般式(IA)で表される化合物をpH蛍光プローブとして用いる方法;上記一般式(I)で表される化合物、好ましくは上記一般式(IA)で表される化合物のpH蛍光プローブ製造のための使用;被検対象物のpH変化の測定方法であって、下記の工程:(a)上記一般式(I)で表される化合物、好ましくは上記一般式(IA)で表される化合物と被検対象物とを接触させる工程、及び(b)上記工程(a)の接触後に上記一般式(I)で表される化合物、好ましくは上記一般式(IA)で表される化合物の蛍光強度を測定する工程を含む方法が提供される。
より具体的には下記の化合物を特に好ましい化合物として挙げることができるが、これらに限定されることはない。
例1:化合物1の合成
(A)化合物6の合成
無水ピペラジン(2.2 g, 26 mmol)をジクロロメタン(20 mL)に溶解した。氷冷下、この溶液にベンジルブロミド(3.4 g, 13 mmol)のジクロロメタン(20 mL)溶液を滴下した。滴下終了後、室温で6時間攪拌した。減圧下溶媒を留去し、残渣をシリカゲルカラムクロマトグラフィーに付し、化合物6(850 mg)を得た。
IR786(CAS NO. 115970-66-6, 60 mg, 0.1 mmol)を脱水ジメチルホルムアミド(5 mL)に溶解した。この溶液に化合物6(70 mg, 0.4 mmol)を添加し、アルゴン雰囲気下室温で5時間攪拌した。減圧下溶媒を留去した後、NHシリカゲルを用いたカラムクロマトグラフィーに付した。得られた化合物をヘキサンで洗浄し、化合物1(62 mg)を得た。
1H-NMR (300 MHz, CDCl3 ) δ 1.62 ( s, 12H), 1.78-1.87 (m, 2H), 2.42 (br, 4H), 2.48 (t, 4H, J = 6.42 Hz), 3.49 (s, 6H), 3.74 (s, 2H), 3.78 (br, 4H), 5.76 (d, 2H, J = 13.4 Hz), 7.00 (d, 2H, J = 7.86 Hz), 7.12 (t, 2H, J = 7.53 Hz), 7.28-7.40 (m, 7H), 7.59 (d, 2H, J = 13.4 Hz)
13C-NMR (75 MHz, CDCl3) δ 21.6, 24.9, 28.8, 30.8, 47.8, 54.1, 55.0, 62.9, 96.0, 109.1, 121.8, 123.4, 124.4, 127.5, 128.4, 128.5, 129.4, 136.6, 139.9, 141.1, 143.2, 169.1, 173.7
HRMS (ESI+):calcd 623.4139, found 623.4113(M+)
化合物2ないし5を上記例1と同様にして合成した。
化合物2
1H-NMR (300 MHz, CD3OD) δ 1.54 (s, 12H), 1.69-1.78 (m, 2H), 2.12 (s, 6H), 2.42 (t, 4H, J = 6.60 Hz), 2.64 (t, 2H, J = 6.10 Hz), 3.35 (s, 3H), 3.37 (s, 6H), 3.80 (t, 2H, J = 6.10 Hz), 5.77 (d, 2H, J = 13.4 Hz), 6.98-7.03 (m, 4H), 7.19-7.31 (m, 4H), 7.62 (d, 2H, J = 13.4 Hz)
13C-NMR (75 MHz, CDCl3) δ21.8, 24.1, 28.6, 28.9, 30.5, 44.4, 45.0, 47.7, 57.3, 95.1, 108.8, 121.8, 123.0, 123.2, 128.2, 139.9, 142.1, 143.3, 169.0, 176.1
HRMS (ESI+) calcd 549.3957, found 549.3967(M+)
1H-NMR (300 MHz, CDCl3 ) δ 1.04 (t, 6H, J = 7.06 Hz), 1.67 (s, 12H), 1.83-1.87 (m, 2H), 2.48 (t, 4H, J = 6.24 Hz), 2.58 (q, 4H, J = 7.06 Hz), 2.89 (br, 2H), 3.48 (s, 6H), 3.53 (s, 3H), 3.91 (t, 2H, J = 6.10 Hz), 5.73 (d, 2H, J = 13.4 Hz), 6.98 (d, 2H, J = 7.89 Hz), 7.10 (t, 2H, J = 7.43 Hz), 7.29-7.34 (m, 4H), 7.58 (d, 2H, J = 13.4 Hz)
13C-NMR (75 MHz, CDCl3) δ10.9, 21.7, 24.2, 29.1, 30.5, 44.8, 46.6, 47.7, 50.9, 55.2, 95.2, 108.8, 121.8, 123.0, 128.3, 139.9, 141.7, 143.3, 168.8, 175.8
HRMS (ESI+) calcd 577.4270, found 577.4278(M+)
1H-NMR (300 MHz, CD3OD) δ 1.59 (s, 12H), 1.72-1.76 (m, 2H,), 2.38 (s, 3H), 2.44 (t, 4H, J = 6.42 Hz), 2.66 (br, 4H), 3.42 (s, 6H), 3.67 (t, 4H, J = 4.77 Hz), 5.85 (d, 2H, J = 13.4 Hz), 7.04-7.08 (m, 4H), 7.23-7.35 (m, 4H), 7.69 (d, 2H, J = 13.4 Hz)
13C-NMR (75 MHz, CDCl3) δ 21.6, 24.9, 28.8, 30.8, 46.1, 47.9, 54.9, 56.5, 96.2, 109.2, 121.8, 123.4, 124.4, 128.4, 139.9, 141.2, 143.2, 169.3, 173.6
HRMS (ESI+) calcd 547.3800, found 547.3815(M+)
1H-NMR (300 MHz, CDCl3) δ 1.62 (s, 12H), 1.82-1.90 (m, 2H,), 2.53 (t, 4H, J = 6.51 Hz), 3.47 (t, 4H, J = 4.60 Hz), 3.53 (s, 6H), 3.89 (t, 4H), 5.76 (d, 2H, J = 13.4 Hz), 6.96-7.39 (m, 13 H), 7.73 (d, 2H, J = 13.4 Hz)
13C-NMR (75 MHz, CDCl3) δ21.6, 25.0, 28.7, 30.9, 48.0, 51.2, 54.7, 96.8, 109.3, 116.6, 120.8, 121.8, 123.6, 125.1, 128.4, 140.0, 141.4, 143.2, 150.6, 169.7, 172.7
HRMS ( ESI+) calcd 609.3994, found 609.3957(M+)
化合物1ないし5の吸収スペクトル及び励起スペクトルを様々のpHを有するリン酸緩衝液中で測定した結果、並びにその時の750 nm又は725 nmの吸光度と670 nmの吸光度との比、及び750 nm又は760 nmの励起光で励起したときの780 nmの蛍光強度と670 nmの励起光で励起したときの780 nmの蛍光強度との比を図1ないし5に示す。いずれの化合物もpHの低下に伴い吸収スペクトル及び励起スペクトルの極大ピークが長波長シフトすることがわかる。また、様々なpHのリン酸緩衝液中で測定した時の750 nm又は725 nmの吸光度と670 nmの吸光度との比、及び750 nm又は760 nmの励起光で励起したときの780 nmの蛍光強度と670 nmの励起光で励起したときの780 nmの蛍光強度との比からは、それぞれの化合物の異なる2波長における吸光度比及び異なる二波長で励起した際の蛍光強度比がpHに依存して変化し、いずれの化合物もpHプローブとして有用であることがわかる。
化合物1ないし5のpKaは表1に示すとおりである。本発明に記載されたpHプローブを用いて、その化合物のpKaの前後におけるpHの変化を蛍光レシオ法又は吸光レシオ法を用いて検出することができる。化合物1ないし5はそれぞれ異なるpKaを有しているため、検出に適するpH範囲が異なるが、それに応じて検出したいpH範囲に最適なpHプローブを選択して用いることができる。同様にして、一般式(I)におけるR3、R4、及び/又はR5、あるいは一般式(IA)におけるR13、R14、及び/又はR15を適宜選択することにより、所望のpKaを有し、所望のpH範囲の測定に最適なpHプローブを設計して提供することができる。
Claims (5)
- 下記の一般式(IA):
[式中、R11及びR12はそれぞれ独立に置換基を有していてもよいC1-6アルキル基を示し;R13、R14、及びR15はそれぞれ独立に水素原子、置換基を有していてもよいC1-6アルキル基、又は置換基を有していてもよいアリール基を示すか、あるいはR13とR14とが結合してエチレン基を示すが、ただしR13は水素原子であることはなく、R13、R14、又はR15は2-ピリジルメチル基、2-ピリジルエチル基、2-メチル-6-ピリジルメチル基、又は2-メチル-6-ピリジルエチル基であることはなく;Y11及びY12はそれぞれ独立に-C(R 16 )(R 17 )-(式中、R 16 及びR 17 はそれぞれ独立に水素原子又は置換基を有していてもよいC1-6アルキル基を示す)を示し;Z11及びZ12はそれぞれ独立に置換基を有していてもよいベンゾ縮合環を形成するために必要な非金属原子群を表し;M'-は電荷の中和に必要な個数の対イオンを示す]で表される化合物。 - 請求項1に記載の化合物を含むpH蛍光プローブ。
- レシオ法による測定に用いる請求項2に記載のpH蛍光プローブ。
- 細胞又は組織のpH測定に用いる請求項3に記載のpH蛍光プローブ。
- 被検対象物のpHの測定方法であって、下記の工程:
(a)請求項1に記載の一般式(IA)で表される化合物と被検対象物とを接触させる工程、及び
(b)上記工程(a)の接触の後に一般式(IA)で表される化合物の蛍光強度を測定する工程
を含む方法。
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| US20110313129A1 (en) | 2009-02-11 | 2011-12-22 | Life Technologies Corporation | Large stokes shift dyes |
| CN102507519B (zh) * | 2011-10-26 | 2013-08-28 | 华南师范大学 | 丹磺酸作为pH荧光探针的应用 |
| WO2014011005A1 (ko) * | 2012-07-13 | 2014-01-16 | 이화여자대학교 산학협력단 | 시아닌계 형광 프로브, 이를 이용한 아연 이온 검출방법, 및 이의 제조방법 |
| KR101445084B1 (ko) | 2012-07-13 | 2014-10-01 | 이화여자대학교 산학협력단 | 시아닌계 형광 프로브, 이를 이용한 아연 이온 검출방법, 및 이의 제조방법 |
| CN104119856B (zh) * | 2013-04-26 | 2016-08-17 | 中国科学院大连化学物理研究所 | 一类比率检测次氯酸的荧光探针及其在生物体系内的应用 |
| CN103555317A (zh) * | 2013-10-08 | 2014-02-05 | 东南大学 | 一种pH敏感近红外荧光分子探针及其制备方法与用途 |
| CN105647513B (zh) * | 2015-12-30 | 2018-05-04 | 中国科学院深圳先进技术研究院 | 一种具有pH响应的双模式成像探针及其制备方法和应用 |
| CN106929003B (zh) * | 2015-12-30 | 2019-08-13 | 深圳先进技术研究院 | 一种多功能近红外荧光探针及其制备方法和应用 |
| CN105503831B (zh) * | 2015-12-30 | 2018-12-28 | 深圳先进技术研究院 | 一种具有极酸性pH响应的近红外荧光探针及其制备方法和应用 |
| CN106929004B (zh) * | 2015-12-30 | 2019-08-13 | 深圳先进技术研究院 | 一种信号增强型近红外荧光探针及其制备方法和应用 |
| US12247126B2 (en) | 2018-05-09 | 2025-03-11 | Board Of Trustees Of Michigan State University | Near-infrared harvesting transparent luminescent solar concentrators with engineered stokes shift |
| US20250144250A1 (en) * | 2022-01-31 | 2025-05-08 | The General Hospital Corporation | Ph-sensitive fluorophores |
| CN117285456A (zh) * | 2023-08-04 | 2023-12-26 | 中国科学院深圳先进技术研究院 | 一种具有pH响应的近红外二区荧光探针及其制备方法与应用 |
| CN118440066B (zh) * | 2024-04-10 | 2025-10-17 | 山东第二医科大学 | 一种用于检测细胞微环境粘度的荧光探针及其制备方法与专用检测试剂盒 |
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| US8507677B2 (en) | 2013-08-13 |
| JPWO2008099914A1 (ja) | 2010-05-27 |
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