JP5977765B2 - 分離剤及びその製造方法 - Google Patents
分離剤及びその製造方法 Download PDFInfo
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- JP5977765B2 JP5977765B2 JP2013556504A JP2013556504A JP5977765B2 JP 5977765 B2 JP5977765 B2 JP 5977765B2 JP 2013556504 A JP2013556504 A JP 2013556504A JP 2013556504 A JP2013556504 A JP 2013556504A JP 5977765 B2 JP5977765 B2 JP 5977765B2
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- methanol
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- arginine
- separation
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- C07C275/30—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
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- B01J20/30—Processes for preparing, regenerating, or reactivating
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- B01J20/3261—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one of the heteroatoms nitrogen, oxygen or sulfur together with at least one silicon atom, these atoms not being part of the carrier as such comprising a cyclic structure not containing any of the heteroatoms nitrogen, oxygen or sulfur, e.g. aromatic structures
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- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3291—Characterised by the shape of the carrier, the coating or the obtained coated product
- B01J20/3293—Coatings on a core, the core being particle or fiber shaped, e.g. encapsulated particles, coated fibers
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Description
[化学式(3)で表される化合物の合成]
L−ロイシン520mg、3,5−ジニトロフェニルイソシアネート420mg、1M水酸化ナトリウム水溶液5mL及びテトラヒドロフラン1.5mLを室温で6時間攪拌した後、1M水酸化ナトリウム水溶液0.5mLを加えた。次に、体積比3:1の酢酸エチル/ヘキサン混合溶媒6mLで3回分液した後、水相に3N塩酸1.5mLを加えた。さらに、酢酸エチル10mLで4回分液した後、油相を飽和塩化ナトリウム水溶液5mLで1回分液した。次に、油相に硫酸ナトリウムを加えて乾燥させた後、エバポレーターを用いて乾燥させた。さらに、酢酸エチル2mLを加えた後、ヘキサンを加えて再結晶させ、粗結晶を得た。次に、粗結晶150mgにメタノール200μL及び0.1質量%塩酸水溶液100μLを加えた後、高速液体クロマトグラフのガリバー(日本分光社製)を用いて分取した。さらに、エバポレーターを用いて、分取されたフラクションを乾燥させた。次に、酢酸エチル35mLで2回分液した後、油相を飽和塩化ナトリウム水溶液5mLで1回分液した。次に、油相に硫酸ナトリウムを加えて乾燥させた後、エバポレーターを用いて乾燥させた。さらに、酢酸エチル2mLを加えた後、ヘキサンを加えて再結晶させ、無色針状結晶の化学式(3)で表される化合物を得た。
Unity Plus 500(Varian社製)を用いて、化学式(3)で表される化合物の重メタノール中の1HNMRスペクトルを測定した(図1参照)。
図1の1HNMRスペクトルを用いて、化学式(3)で表される化合物の化学純度を分析したところ、99%以上であった。
高速液体クロマトグラフのナノスペースSI−2(資生堂社製)を用いて、化学式(3)で表される化合物の光学純度を分析したところ、99.8%以上であった。なお、分析条件は、以下の通りである。
温度:25℃
移動相:クエン酸の0.2mMメタノール溶液
移動相の流速:200μL/min
[アミノ基が表面に存在する多孔質球状シリカゲル粒子の作製]
平均粒径が5μm、平均細孔径が12.5nm、比表面積が300m2/gの多孔質球状シリカゲル粒子10gを、水15mlと2−プロパノール15mlの混合溶媒中に分散させた後、3−アミノプロピルトリメトキシシラン5gを加えた。次に、85℃に昇温して6時間反応させた後、ろ過した。さらに、メタノール及び蒸留水でろ物を洗浄した後、乾燥させ、アミノ基が表面に存在する多孔質球状シリカゲル粒子を得た。
化学式(3)で表される化合物0.7gを水30mLに溶解させた溶液に、化学式(3)で表される化合物に対して、1.5モル当量の4−(4,6−ジメトキシ−1,3,5−トリアジン−2−イル)−4−メチルモルホリニウムクロリドを加えた後、室温で2時間撹拌した。次に、アミノ基が表面に存在する多孔質球状シリカゲル粒子1.25gを加えた後、室温で一晩反応させた後、ろ過した。さらに、メタノール及びクロロホルムでろ物を洗浄した後、乾燥させ、充填剤を得た。
内径が1.5mm、長さが250mmのステンレス鋼製の管に充填剤を充填してカラムを作製した。
アルギニンの質量比が1:4のD体とL体の混合物50pmolを、pHが8.0の200mMのホウ酸ナトリウム緩衝液(pH8.0)20μLと、40mMの4−フルオロ−7−ニトロ−2,1,3−ベンゾキサジアゾールの無水シアン化メチル溶液5μLを添加した後、60℃で2分間加熱して、蛍光誘導体化した。次に、0.5%トリフルオロ酢酸水溶液95μLを添加し、測定試料を得た。
移動相:メタノール
移動相の流速:150μL/min
[ヒスチジン(His)のD体とL体の分離]
メタノールの代わりに、クエン酸の0.25mMメタノール/アセトニトリル混合溶媒(体積比97.5/2.5)溶液を用いた以外は、アルギニンのD体とL体と同様にして、ヒスチジンのD体とL体を分離した。
メタノールの代わりに、クエン酸の3mMメタノール/アセトニトリル混合溶媒(体積比70/30)溶液を用いた以外は、アルギニンのD体とL体と同様にして、プロリンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、アラニンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、バリンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、アロイソロイシンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、イソロイシンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、ロイシンのD体とL体を分離した。
メタノールの代わりに、クエン酸の2mMメタノール/アセトニトリル混合溶媒(体積比80/20)溶液を用いた以外は、アルギニンのD体とL体と同様にして、アスパラギンのD体とL体を分離した。
メタノールの代わりに、クエン酸の2mMメタノール/アセトニトリル混合溶媒(体積比80/20)溶液を用いた以外は、アルギニンの質量比が1:4のD体とL体と同様にして、グルタミンの質量比が1:4のD体とL体を分離した。
メタノールの代わりに、クエン酸の1.5mMメタノール/アセトニトリル混合溶媒(体積比85/15)溶液を用いた以外は、アルギニンのD体とL体と同様にして、セリンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、アロトレオニンのD体とL体を分離した。
メタノールの代わりに、クエン酸の2mMメタノール/アセトニトリル混合溶媒(体積比80/20)溶液を用いた以外は、アルギニンのD体とL体と同様にして、トレオニンのD体とL体を分離した。
メタノールの代わりに、クエン酸の3mMメタノール/アセトニトリル混合溶媒(体積比70/30)溶液を用いた以外は、アルギニンのD体とL体と同様にして、メチオニンのD体とL体を分離した。
メタノールの代わりに、クエン酸の5mMメタノール/アセトニトリル混合溶媒(体積比50/50)溶液を用いた以外は、アルギニンのD体とL体と同様にして、フェニルアラニンのD体とL体を分離した。
メタノールの代わりに、クエン酸の5mMメタノール/アセトニトリル混合溶媒(体積比50/50)溶液を用いた以外は、アルギニンのD体とL体と同様にして、リシンのD体とL体を分離した。
メタノールの代わりに、クエン酸の5mMメタノール/アセトニトリル混合溶媒(体積比50/50)溶液を用いた以外は、アルギニンのD体とL体と同様にして、アスパラギン酸のD体とL体を分離した。
メタノールの代わりに、クエン酸の1.5mMメタノール/アセトニトリル混合溶媒(体積比85/15)溶液を用いた以外は、アルギニンのD体とL体と同様にして、グルタミン酸のD体とL体を分離した。
メタノールの代わりに、クエン酸の5mMメタノール/アセトニトリル混合溶媒(体積比50/50)溶液を用いた以外は、アルギニンのD体とL体と同様にして、システインのD体とL体を分離した。
メタノールの代わりに、クエン酸の3mMメタノール/アセトニトリル混合溶媒(体積比70/30)溶液を用いた以外は、アルギニンのD体とL体と同様にして、チロシンのD体とL体を分離した。
メタノールの代わりに、クエン酸の1mMメタノール/アセトニトリル混合溶媒(体積比90/10)溶液を用いた以外は、アルギニンのD体とL体と同様にして、トリプトファンのD体とL体を分離した。
ピークバレー比は、D体由来のピークのベースラインからの高さをHp、D体由来のピークとL体由来のピークの間の高さが最も低い点(ピークの谷)のベースラインからの高さをHvとすると、式
Hp/Hv
から算出した(日本薬局方参照)。
シンメトリー係数は、ピークのベースラインからの高さの1/10の高さにおけるピークの幅をW、Wをピークの頂点から記録紙の横軸へ下ろした垂線で二分したときのピークの立ち上がり側の距離をFとすると、式
S=W/(2×F)
から算出した。
カラムとして、SUMICHIRAL(登録商標) OA−2500S(SCAS社製)を用いた以外は、実施例1と同様にして、アミノ酸の質量比が1:4のD体とL体の混合物を分離した。なお、SUMICHIRAL(登録商標) OA−2500S(SCAS社製)の光学活性成分は、(S)−1−ナフチルグリシンである。
カラムとして、SUMICHIRAL(登録商標) OA−3100S(SCAS社製)を用いた以外は、実施例1と同様にして、アミノ酸の質量比が1:4のD体とL体の混合物を分離した。なお、SUMICHIRAL(登録商標) OA−3100S(SCAS社製)の光学活性成分は、(S)−バリンである。
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