JP6321634B2 - 光第二高調波発生化合物、光第二高調波発生色素組成物及び細胞検査方法 - Google Patents
光第二高調波発生化合物、光第二高調波発生色素組成物及び細胞検査方法 Download PDFInfo
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- JP6321634B2 JP6321634B2 JP2015518307A JP2015518307A JP6321634B2 JP 6321634 B2 JP6321634 B2 JP 6321634B2 JP 2015518307 A JP2015518307 A JP 2015518307A JP 2015518307 A JP2015518307 A JP 2015518307A JP 6321634 B2 JP6321634 B2 JP 6321634B2
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Classifications
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/5005—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells
- G01N33/5091—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving human or animal cells for testing the pathological state of an organism
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- 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
- G01N21/636—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited using an arrangement of pump beam and probe beam; using the measurement of optical non-linear properties
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- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/0025—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds
- C09B29/0029—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only nitrogen as heteroatom
- C09B29/0048—Monoazo dyes prepared by diazotising and coupling from diazotized amino heterocyclic compounds the heterocyclic ring containing only nitrogen as heteroatom containing a six-membered heterocyclic ring with one nitrogen atom
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- 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
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- C09B29/0803—Amino benzenes containing acid groups, e.g. COOH, SO3H, PO3H2, OSO3H, OPO3H2; SO2NHSO2R or salts thereof, R being hydrocarbonyls containing SO3H, OSO3H
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- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
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- C09B29/0805—Amino benzenes free of acid groups
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- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
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- C09B29/081—Amino benzenes free of acid groups characterised by the amino group substituted amino group unsubstituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino, aralkylamino or arylamino
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- 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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
- C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
- C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
- C09B29/3617—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom
- C09B29/3621—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring
- C09B29/3639—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a six-membered heterocyclic with only one nitrogen as heteroatom from a pyridine ring from a pyridine ring containing one or more amino groups
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- 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
- C09B44/00—Azo dyes containing onium groups
- C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
- C09B44/12—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system having one nitrogen atom as the only ring hetero atom
- C09B44/126—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system having one nitrogen atom as the only ring hetero atom in a six-membered ring, e.g. pyrridinium, quinolinium
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Description
[合成例1]Ap1の合成
100mlナスフラスコに42%テトラフルオロほう酸水溶液15.0ml(94.0mmol)、4−アミノピリジン0.478g(5.08mmol)を加え氷冷で攪拌した。その中に、亜硝酸ナトリウム0.357g(5.17mmol)をゆっくり加え、更に、N,N−ジメチルアニリン1.21g(9.99mmol)をゆっくり滴下し、室温で16時間攪拌した。水酸化ナトリウム水溶液を加えてpHを約12にし、オレンジ色の結晶を析出させた後、吸引ろ過を行い、結晶を得た。これをクロロホルムに溶かしてろ過をした。ろ液を100mlナスフラスコに取り、エバポレーターで溶媒を留去して粗結晶を得た。この粗結晶をトルエン:ヘキサンで再結晶を行ったところ、オレンジ色の結晶化合物1が0.441g(1.95mmol)得られた(収率:38%)。得られた結晶化合物1のスペクトルデータを以下に示す。
耐圧チューブに化合物1を49.6mg(0.219mmol)、3−ブロモプロピルトリエチルアンモニウムブロミドを46.6mg(0.154mmol)、アセトニトリルを1.22ml加えて5分間N2バブリングし、80℃で23時間加熱攪拌した。反応溶液を50mlナスフラスコに移して、溶媒を留去した。酢酸エチル、アセトンでそれぞれデカンテーションした。これを蒸留水100mlに溶かして分液ロートに移し、100mlの酢酸エチルで洗浄する操作を3回行った。水をエバポレータで留去すると、紫色固体のAp1が37.5mg(70.9mmol)得られた(収率:46%)。得られたAp1のスペクトルデータを以下に示す。
二口フラスコにアニリン1.72g(18.5mmol)、無水DMF50ml、炭酸ナトリウム3.43g(32.4mmol)、1−ヨードブタン7.00ml(59.8mmol)を加えて窒素置換した。95℃で還流させて20時間過熱攪拌した後、室温まで放冷した。水100mlを加えて分液ロートに移し、酢酸エチル100mlで2回抽出した。酢酸エチル層を水50mlで2回、飽和食塩水50mlで1回洗浄し、溶媒を留去した。シリカゲルカラムクロマトグラフィー(DCM:hex=1:9、v/v)で精製し、透明の油状液体3.09g(15.0mmol)を得た(収率:81%)。得られた油状液体のスペクトルデータを以下に示す。
100mlナスフラスコに42%テトラフルオロほう酸水溶液14.6ml(91.5mmol)、4−アミノピリジン0.235g(2.49mmol)を加え氷冷攪拌した。30ml三角フラスコに、N,N−ジブチルアニリン1.01g(4.93mmol)、エタノール11.0ml、42%テトラフルオロほう酸11.0ml(68.9mmol)を加えて氷冷攪拌した。氷冷攪拌していた100mlナスフラスコ中の溶液に亜硝酸ナトリウム0.171g(2.48mmol)をゆっくり加えた。ここに氷冷攪拌していた30ml三角フラスコ中の溶液をゆっくり滴下していった後、室温で15時間攪拌した。水酸化ナトリウム水溶液を加えてpHを約12にし、飽和食塩水25mlを加えた後、その溶液を分液ロートに移し、酢酸エチル150mlで2回抽出した。酢酸エチル層を飽和食塩水300mlで洗浄し、無水硫酸ナトリウムで乾燥した後、エバポレーターで溶媒を留去した。更に、シリカゲルカラムクロマトグラフィー(EA:hex=1:3、v/v)で精製して、赤褐色の粘性固体の化合物2を0.185g(0.589mmol)得た(収率:24%)。得られた化合物2のスペクトルデータを以下に示す。
耐圧チューブに化合物2を48.9mg(0.158mmol)、3−ブロモプロピルトリエチルアンモニウムブロミドを51.4mg(0.170mmol)、アセトニトリルを0.80ml加えて5分間N2バブリングし、100℃で24時間加熱攪拌した。反応溶液を50mlナスフラスコに移して、溶媒を留去した後、トルエンでデカンテーションした。紫色固体のAp2が96.1mg(0.157mmol)得られた(収率:99%)。得られたAp2のスペクトルデータを以下に示す。
30mlナスフラスコに42%テトラフルオロほう酸水溶液2.30ml(14.4mmol)、4−アミノピリジン38.4mg(0.408mmol)を加え氷冷攪拌した。10ml三角フラスコに、N,N−ジヘキシルアニリン0.208g(0.794mmol)、エタノール1.70ml、42%テトラフルオロほう酸1.70ml(10.7mmol)を加えて氷冷攪拌した。氷冷攪拌していた30mlナスフラスコ中の溶液に亜硝酸ナトリウム30.3mg(0.439mmol)をゆっくり加えた。ここに氷冷攪拌していた10ml三角フラスコ中の溶液をゆっくり滴下し、室温で19時間攪拌した。水酸化ナトリウムを加えてpHを約12にし、飽和食塩水5mlを加えた後、その溶液を分液ロートに移し、酢酸エチル25mlで2回抽出した。酢酸エチル層を飽和食塩水80mlで洗浄し、無水硫酸ナトリウムで乾燥した後、エバポレーターで溶媒を留去した。更に、シリカゲルカラムクロマトグラフィー(EA:hex=1:3、v/v)で精製して、赤褐色の粘性固体の化合物3[(E)―N,N−dihexyl−4−(pyridin−4−yldiazenyl)aniline]を22.3mg(0.0608mmol)得た(収率:15%)。得られた化合物3のスペクトルデータを以下に示す。
耐圧チューブに化合物3を51.8mg(0.141mmol)、3−ブロモプロピルトリエチルアンモニウムブロミドを29.7mg(98.0μmol)、アセトニトリルを1.22ml加えて5分間N2バブリングし、80℃で23時間加熱攪拌した。反応溶液を50mlナスフラスコに移して、溶媒を留去した後、酢酸エチルでデカンテーションした。これを蒸留水100mlに溶かして抽出ロートに移し、100mlの酢酸エチルで洗浄する操作を8回行った。水をエバポレーターで留去すると、紫色固体のAp3が51.6mg(77.1μmol)得られた(収率:79%)。得られたAp3のスペクトルデータを以下に示す。
FM4−64を100μM含有する緩衝液を作成し、培養したヒトの正常な星状細胞にピペットを用いて導入した。細胞に導入された色素は時間と共に細胞体全体に広がる。
色素としてAp1〜Ap3を用いるほかは比較例1と同様にしてSHG及びTPFイメージングを行い、それぞれ比較例2,3及び実施例1とした。図2に比較例3(Ap2を用いた場合)、図3に実施例1(Ap3を用いた場合)において得られたイメージ像をそれぞれ示す。ここで、Ap1を用いた比較例2による像は、SHGシグナル光を観察することができなかったため記載していない。
<第一段階>
合成された表2の色素群(色素♯1〜♯7)に対しDMSO(Dimethyl Sulfoxide)を色素の濃度が約100mMとなるように加え、溶解を試みた。色素♯1、♯2及び♯3が容易に溶解したのに対し、色素♯6及び♯7は一部難溶性が認められ、色素♯4、♯5に関しては全く溶解が見られなかった。
色素♯1〜♯3、♯4、♯5及びAp3のDMSO溶液を、細胞外液(Artificial Cerebrospinal Fluid)を用いて1,000倍希釈し、すべて解けたとして最終濃度が約100μMとなるようにした。
色素による細胞毒性の評価のため、近赤外光を用いた微分干渉像により染色前後の細胞の形態を確認した。特に、細胞の生理状態が悪化すると、1)細胞外基質との相互作用により伸びた構造を持っていた細胞がその接着を失う事でカバーガラスから離れ丸くなること、2)滑らかな様相を呈していた細胞膜が不均一で凸凹した形態になること、の2点に着目し、細胞毒性を評価した。
Claims (6)
- 下記式(1)で表されるアゾベンゼン系誘導体又はその塩である光第二高調波発生化合物。
- 少なくとも請求項1記載の化合物を含有する光第二高調波発生色素組成物。
- 細胞膜近傍の色素により生じる第二高調波を利用した細胞の検査方法であって、請求項2記載の光第二高調波発生色素組成物を検査対象の細胞に導入する色素導入工程と、前記細胞に導入された光第二高調波発生化合物から放出される第二高調波を検出する第二高調波検出工程とを有する細胞検査方法。
- 前記色素導入工程後、前記第二高調波検出工程前に、前記細胞の細胞膜の膜電位変化を誘発する細胞刺激工程を有する請求項3記載の細胞検査方法。
- 前記第二高調波検出工程において、第二高調波の検出を経時的に行う請求項4記載の細胞検査方法。
- 前記細胞が神経細胞である請求項3〜5いずれか1項記載の細胞検査方法。
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