JPWO2013051414A1 - ピロロキノリンキノンアルコール付加物 - Google Patents
ピロロキノリンキノンアルコール付加物 Download PDFInfo
- Publication number
- JPWO2013051414A1 JPWO2013051414A1 JP2013537468A JP2013537468A JPWO2013051414A1 JP WO2013051414 A1 JPWO2013051414 A1 JP WO2013051414A1 JP 2013537468 A JP2013537468 A JP 2013537468A JP 2013537468 A JP2013537468 A JP 2013537468A JP WO2013051414 A1 JPWO2013051414 A1 JP WO2013051414A1
- Authority
- JP
- Japan
- Prior art keywords
- pqq
- salt
- alcohol
- adduct
- methanol
- 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.)
- Granted
Links
- MMXZSJMASHPLLR-UHFFFAOYSA-N pyrroloquinoline quinone Chemical compound C12=C(C(O)=O)C=C(C(O)=O)N=C2C(=O)C(=O)C2=C1NC(C(=O)O)=C2 MMXZSJMASHPLLR-UHFFFAOYSA-N 0.000 title claims abstract description 517
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims description 210
- 150000003839 salts Chemical class 0.000 claims abstract description 76
- 150000001875 compounds Chemical class 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 11
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims abstract description 10
- 125000004990 dihydroxyalkyl group Chemical group 0.000 claims abstract description 10
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 10
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- ACTIUHUUMQJHFO-UHFFFAOYSA-N Coenzym Q10 Natural products COC1=C(OC)C(=O)C(CC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UHFFFAOYSA-N 0.000 claims description 16
- ACTIUHUUMQJHFO-UPTCCGCDSA-N coenzyme Q10 Chemical compound COC1=C(OC)C(=O)C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UPTCCGCDSA-N 0.000 claims description 15
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- 238000005259 measurement Methods 0.000 description 18
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- 238000005481 NMR spectroscopy Methods 0.000 description 6
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- ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2 ZRPAUEVGEGEPFQ-UHFFFAOYSA-N 0.000 description 3
- JVKRKMWZYMKVTQ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-N-(2-oxo-3H-1,3-benzoxazol-6-yl)acetamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C=NN(C=1)CC(=O)NC1=CC2=C(NC(O2)=O)C=C1 JVKRKMWZYMKVTQ-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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- UFVBOGYDCJNLPM-UHFFFAOYSA-L disodium;9-carboxy-4,5-dioxo-1h-pyrrolo[2,3-f]quinoline-2,7-dicarboxylate Chemical compound [Na+].[Na+].C12=C(C([O-])=O)C=C(C([O-])=O)N=C2C(=O)C(=O)C2=C1NC(C(=O)O)=C2 UFVBOGYDCJNLPM-UHFFFAOYSA-L 0.000 description 3
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- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
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- 230000036541 health Effects 0.000 description 1
- 235000013402 health food Nutrition 0.000 description 1
- 238000003919 heteronuclear multiple bond coherence Methods 0.000 description 1
- 238000003929 heteronuclear multiple quantum coherence Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
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- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
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- 230000008099 melanin synthesis Effects 0.000 description 1
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- 235000012149 noodles Nutrition 0.000 description 1
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- 125000000075 primary alcohol group Chemical group 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- 239000011975 tartaric acid Substances 0.000 description 1
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Images
Classifications
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- 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
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Abstract
Description
下記式(A)又は(B)で表される化合物又はその塩。
〔2〕
〔1〕に記載の化合物又はその塩を含む組成物。
〔3〕
コエンザイムQ10をさらに含む〔2〕に記載の組成物。
〔4〕
〔1〕に記載の化合物若しくはその塩、又は〔2〕若しくは〔3〕に記載の組成物を用いた飲料。
〔5〕
〔1〕に記載の化合物若しくはその塩、又は〔2〕若しくは〔3〕に記載の組成物を用いた食品。
〔6〕
〔1〕に記載の化合物若しくはその塩、又は〔2〕若しくは〔3〕に記載の組成物を用いた化粧品。
〔7〕
粉末、錠剤、チュアブル錠、カプセル、顆粒、注射剤、液剤、点眼剤、ローション剤、ヘヤートニック、化粧用乳液、スプレー液、エアロゾル、ドリンク液、液体肥料又は保存用溶液の形態である〔2〕又は〔3〕に記載の組成物。
〔8〕
〔1〕に記載の化合物又はその塩を製造する方法であって、
下記式(1)で表されるピロロキノリンキノン又はその塩に、下記式(2)で表されるアルコールを1等量付加する工程を含む製造方法。
〔9〕
前記工程が水分量50質量%以下の溶媒中で行われる〔8〕に記載の製造方法。
〔10〕
前記ピロロキノリンキノンの塩がモノアルカリ金属塩である〔8〕又は〔9〕に記載の製造方法。
PQQフリー体又はその塩とアルコールとの接触温度が前記範囲内であると、PQQの変色が良好に進み、PQQの変質も抑制することができる。
PQQジナトリウムは三菱ガス化学製を使用した。特に明記のない試薬は、和光製を使用した。
(UV測定)
PQQアルコール付加物等のUV測定は、HITACHI製 U−2000 spectrometerを使用して行った。
PQQアルコール付加物等の高速液体クロマトグラフィー分析を以下のとおり行った。
島津製作所製高速液体クロマトグラフィーLC−20Aにカラム:YMC−Pack ODS−TMS(5μm) 150×4.6mm I.D.を設置し、溶離液を100mM CH3COOH/100mM CH3COONH4 (30/70, pH5.1)で吸光検出器を使用し260nmで検出した。
PQQアルコール付加物等の核磁気共鳴(NMR)測定を、JEOL製500MHz NMR、JNM−ECA500スペクトルメーターを使用して行った。
PQQアルコール付加物等のFT−IR測定を、Thermo Scienfitic NICOLET6700を使用しATR(Dia)で行った。
3g/LのPQQジナトリウム水溶液に37重量%の濃塩酸を加え、該水溶液のpHを2以下にして赤色のPQQフリー体を析出させた。析出したPQQフリー体を、ろ過により採取し、減圧乾燥することでPQQフリー体粉末を得た。得られたPQQフリー体粉末0.25gをメタノール40gと混合し、65℃で5時間反応させた。該反応液をナスフラスコに入れてエバポレーターで溶媒を除去することにより、赤い固体が少し混じった黄色の固体0.28gを得た。得られた固体をさらにメタノール6mLで洗うことで淡黄色い固体(PQQメタノール付加物)0.28gを得た。
実施例1と同様にして得られたPQQフリー体1.5gをメタノール39gと混合し、ガラス製ボトルに入れた。該ガラス製ボトルを超音波洗浄装置に入れ、1時間超音波にかけると、該ボトル中の混合物が赤色から黄色へと変化した。該黄色の混合物を遠心分離器で分離すると固体3.48gを得た。得られた固体を大気中で放置して乾燥し、淡黄色固体(PQQメタノール付加物)1.40g得た。
実施例1と同様にして得られたPQQフリー体30mgを66℃、30分間でメタノール蒸気8.5gに接触させて、赤色の固体のPQQフリー体を黄色の固体に変化させた。該黄色の固体(PQQメタノール付加物)は33mg得られた。これよりガス状のアルコールを使用しても、PQQフリー体とアルコールとの反応は進行することが分かった。
実施例1で得られたPQQメタノール付加物にリン酸バッファー(インビトロジェン製 pH7.4)に加えて、1mg/MLのPQQメタノール付加物溶液を得た。該PQQメタノール付加物溶液を室温で2時間放置後、高速液体クロマトグラフィー分析した。当該分析により、該PQQメタノール付加物溶液中には、PQQが0.92mg/ML存在していることが分かった。すなわち、実施例1で得られたPQQメタノール付加物は、リン酸バッファーを加えて室温で2時間放置することにより、元のPQQフリー体に戻っていた。
実施例1と同様にして得られたPQQフリー体1.98gをエタノール40gと混合し、65℃で6時間反応させて黄色の固体を析出させた。析出させた黄色の固体を、遠心分離し、エタノール洗浄した後、減圧乾燥して1.95gの淡黄色の固体(PQQエタノール付加物)を単離した。
実施例1と同様にして得られたPQQフリー体380mgをメトキシエタノール15gと混合し、60℃で16時間反応させた後、室温で3日放置すると黄色の固体が析出した。析出した黄色の固体を、遠心分離し、ジエチルエーテル洗浄した後、減圧乾燥して0.28gの黄色の固体(PQQメトキシエタノール付加物)を単離した。
実施例2及び5で得られたPQQメタノール付加物及びPQQエタノール付加物を以下のとおり分析した。
実施例2で得られたPQQメタノール付加物を重メタノール中で1H−NMR、13C−NMR、HMBC及びHMQCの2次元測定をおこなった。
PQQフリー体の1H−NMR及び13C−NMRを重ジメチルスルホキシド(重DMSO)溶媒中で測定した。なお、当該実施例において、PQQフリー体は、実施例1と同様の方法で得られたPQQフリー体とした。
実施例2で得られたPQQメタノール付加物のIRの結果、実施例5で得られたPQQエタノール付加物のIRの結果、PQQフリー体のIRの結果を、順に図1〜3に示す。
PQQフリー体10mgを下記各溶媒10mLに加えて生成物を得た。さらに該生成物を下記所定の溶媒で100倍希釈してUVスペクトルを測定した。
比較例1:水100質量%
参考例1:水90質量%+メタノール10質量%
実施例8−1:水40質量%+メタノール60質量%
実施例8−2:水10質量%+メタノール90質量%
実施例8−3:メタノール100質量%
表1に示すとおりPQQフリー体10mgと各種アルコール5mLとを混合し、65℃で加熱して反応させた。当該反応において、PQQフリー体が各種アルコールに溶解する時間と色の変化とを観察した。結果を表1に示す。
大腸菌JM109株を30℃LB培地で一晩培養した。該培養した大腸菌JM109株を、GIBCO製pH7.4のリン酸バッファー(PBS)で希釈して660nmの濁度0.57の溶液1とした。該溶液1を表2に示す各サンプル8mgに100μL加えて、室温で30分後、さらにPBSを900μL加えて溶液2を得た。該溶液2をLB寒天培地のシャーレに植え、30℃で培養することで生菌数を溶液2中のコロニーの数より求めた。
表3に示すとおり、PQQジナトリウム水溶液 0.2M 1mLに2N塩酸を所定量加えて、ホットプレート上で乾燥した後、エタノール10mLと50℃で1時間反応させて色の変化を観察した。
PQQフリー体0.86gを2−プロパノール80gと混合し、加熱還流しながら、24時間反応させた。得られた反応液からエバポレーターでイソプロパノールを除去し、黄色の固体(PQQ2−プロパノール付加物)1.06gを得た。
PQQジナトリウム10mgをメタノール10mLに加えて懸濁液を作った。この懸濁液をメタノールで20倍に希釈した溶液(100%メタノール溶液)を作製した。当該溶液についてUVスペクトルを測定した。結果を図9に示す。
PQQジナトリウム10mgをメタノール10mLに加えて懸濁液を作った。この懸濁液を水で20倍に希釈した溶液(5%メタノール溶液)を作製した。当該溶液についてUVスペクトルを測定した。結果を図10に示す。
PQQフリー体10mgを下記各溶媒10mLに加えて生成物を得た。さらに該生成物を下記所定の溶媒で100倍希釈してUVスペクトルを測定した。
比較例7:水100質量%
参考例4:水90質量%+エタノール10質量%
実施例27−1:水40質量%+エタノール60質量%
実施例27−2:水10質量%+エタノール90質量%
実施例27−3:エタノール100質量%
表5に示すとおり各サンプル5mgを0.25mLのポリプロピレン製容器に入れ、オーブンに入れて各温度における変化を0.5、3及び24時間後並びに7日後に観察した。なお、食用油脂としては、日清オイリオODO100μLを使用した。
Claims (10)
- 請求項1に記載の化合物又はその塩を含む組成物。
- コエンザイムQ10をさらに含む請求項2に記載の組成物。
- 請求項1に記載の化合物若しくはその塩、又は請求項2若しくは3に記載の組成物を用いた飲料。
- 請求項1に記載の化合物若しくはその塩、又は請求項2若しくは3に記載の組成物を用いた食品。
- 請求項1に記載の化合物若しくはその塩、又は請求項2若しくは3に記載の組成物を用いた化粧品。
- 粉末、錠剤、チュアブル錠、カプセル、顆粒、注射剤、液剤、点眼剤、ローション剤、ヘヤートニック、化粧用乳液、スプレー液、エアロゾル、ドリンク液、液体肥料又は保存用溶液の形態である請求項2又は3に記載の組成物。
- 前記工程が水分量50質量%以下の溶媒中で行われる請求項8に記載の製造方法。
- 前記ピロロキノリンキノンの塩がモノアルカリ金属塩である請求項8又は9に記載の製造方法。
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