JP5704845B2 - イオン液体 - Google Patents
イオン液体 Download PDFInfo
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- JP5704845B2 JP5704845B2 JP2010148111A JP2010148111A JP5704845B2 JP 5704845 B2 JP5704845 B2 JP 5704845B2 JP 2010148111 A JP2010148111 A JP 2010148111A JP 2010148111 A JP2010148111 A JP 2010148111A JP 5704845 B2 JP5704845 B2 JP 5704845B2
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- 239000002608 ionic liquid Substances 0.000 title claims description 53
- -1 alkyl sulfonate ion Chemical class 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 231100000209 biodegradability test Toxicity 0.000 claims description 5
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 25
- 238000005160 1H NMR spectroscopy Methods 0.000 description 17
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 17
- 125000000524 functional group Chemical group 0.000 description 15
- 239000002253 acid Substances 0.000 description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 14
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 12
- 125000001453 quaternary ammonium group Chemical group 0.000 description 12
- 238000005349 anion exchange Methods 0.000 description 11
- 239000012472 biological sample Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 230000007613 environmental effect Effects 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 230000003204 osmotic effect Effects 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 239000007810 chemical reaction solvent Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 238000012800 visualization Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 229940098779 methanesulfonic acid Drugs 0.000 description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 5
- 238000001308 synthesis method Methods 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- 241001474374 Blennius Species 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 125000001033 ether group Chemical group 0.000 description 3
- 150000002433 hydrophilic molecules Chemical class 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- DHXNZYCXMFBMHE-UHFFFAOYSA-N 3-bromopropanoic acid Chemical compound OC(=O)CCBr DHXNZYCXMFBMHE-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 description 2
- 241001261506 Undaria pinnatifida Species 0.000 description 2
- 239000000370 acceptor Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000012433 hydrogen halide Substances 0.000 description 2
- 229910000039 hydrogen halide Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 1
- 125000004493 2-methylbut-1-yl group Chemical group CC(C*)CC 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 150000004693 imidazolium salts Chemical class 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 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
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- NAQCUPPQGWEEHC-UHFFFAOYSA-N methanesulfonic acid;1-methylimidazole Chemical compound CS([O-])(=O)=O.C[NH+]1C=CN=C1 NAQCUPPQGWEEHC-UHFFFAOYSA-N 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- 244000005700 microbiome Species 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
- 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
- 230000008520 organization Effects 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
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000030788 protein refolding Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 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
- 239000010802 sludge Substances 0.000 description 1
- PNGLEYLFMHGIQO-UHFFFAOYSA-M sodium;3-(n-ethyl-3-methoxyanilino)-2-hydroxypropane-1-sulfonate;dihydrate Chemical compound O.O.[Na+].[O-]S(=O)(=O)CC(O)CN(CC)C1=CC=CC(OC)=C1 PNGLEYLFMHGIQO-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 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
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
<参考例1>
3-ブロモプロピオン酸(100.00g、0.65mol)とトリエタノールアミン(487.64g、3.27mol)をアセトニトリル(500ml)中で、室温下、24時間反応させた。反応後、析出した固体をろ別、洗浄を行うことにより次の化合物(229.04g、0.51mol)を得た。
FT-IR(KBr):3354cm-1:O-H伸縮振動 2932cm-1:C-H伸縮振動
1747cm-1:C-O伸縮振動 1256cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.46 (m, 2H, CH2C=O), δ 3.69 (q, 6H, N+CH2), δ 3.46 (m, 2H, N+ CH 2 CH2COOH), δ 3.90 (m, 6H, N+CH2 CH 2 ).
<参考例2>
参考例1において、トリエタノールアミンの代わりにジエタノールアミンを原料に用いて、参考例1と同様にブロモアルキルカルボン酸に対してヒドロキシアルキルアミンを過剰にした合成方法で次の化合物を合成した。
FT-IR(KBr):3329cm-1:O-H伸縮振動 2945cm-1:C-H伸縮振動
1732cm-1:C-O伸縮振動 1192cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.39 (m, 4H, CH2C=O), δ 4.00 (q, 4H, N+CH2), δ3.60 (m, 4H, N+ CH 2 CH2COOH), δ 4.09 (m, 4H, N+CH2 CH 2 ).
<参考例3>
参考例1において、トリエタノールアミンの代わりにエタノールアミンを原料に用いて、参考例1と同様にブロモアルキルカルボン酸に対してヒドロキシアルキルアミンを過剰にした合成方法で次の化合物を合成した。
FT-IR(KBr):3429m-1:O-H伸縮振動 2928cm-1:C-H伸縮振動
1707cm-1:C-O伸縮振動 1180cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.06 (m, 6H, CH2C=O), δ 3.77 (q, 2H, N+CH2), δ 3.73 (m, 6H, N+ CH 2 CH2COOH), δ 4.33 (m, 2H, N+CH2 CH 2 ).
<参考例4>
参考例1において、トリエタノールアミンの代わりにエタノールアミンを原料に用いて、参考例1と同様にブロモアルキルカルボン酸に対してヒドロキシアルキルアミンを過剰にした合成方法で次の化合物を合成した。
FT-IR(KBr):3381cm-1:O-H伸縮振動 2966cm-1:C-H伸縮振動
1734cm-1:C-O伸縮振動 1200cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.05 (m, 2H, CH2C=O), δ 3.73 (m, 2H, N+CH2), δ 3.16 (m, 2H, N+ CH 2 CH2COOH), δ 3.78 (m, 2H, N+CH2 CH 2 ).
<参考例5>
参考例1において、トリエタノールアミンの代わりにジエタノールアミンを原料に用いて、参考例1と同様にブロモアルキルカルボン酸に対してヒドロキシアルキルアミンを過剰にした合成方法で次の化合物を合成した。
FT-IR(KBr):3350cm-1:O-H伸縮振動 2912cm-1:C-H伸縮振動
1728cm-1:C-O伸縮振動 1188cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.39 (m, 2H, CH2C=O), δ 3.18 (m, 4H, N+CH2), δ3.88 (m, 2H, N+ CH 2 CH2COOH), δ 3.80 (m, 4H, N+CH2 CH 2 ).
<参考例6>
参考例1において、3-ブロモプロピオン酸の代わりにブロモ酢酸を原料に用いて、参考例1と同様にブロモアルキルカルボン酸に対してヒドロキシアルキルアミンを過剰にした合成方法で次の化合物を合成した。
FT-IR(KBr):3365cm-1:O-H伸縮振動 2932cm-1:C-H伸縮振動
1747cm-1:C-O伸縮振動 1194cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.43 (m, 6H, N+ CH 2 CH2), δ 3.38 (t, 2H, CH2C=O), δ 3.88 (m, 6H, N+CH2 CH 2 ).
<実施例1>
下記式で表される化合物を合成した。
FT-IR(KBr):3314cm-1:O-H伸縮振動 2937cm-1:C-H伸縮振動
1732cm-1:C-O伸縮振動 1198cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.46 (m, 2H, CH2C=O), δ 3.69 (q, 6H, N+CH2), δ 3.46 (m, 2H, N+ CH 2 CH2COOH), δ 3.90 (m, 6H, N+CH2 CH 2 ), δ 2.72 (s, 3H, CH3SO3).
<実施例2>
実施例1において、参考例2の化合物とメタンスルホン酸を用いて実施例1と同様な配合モル比、合成条件下においてアニオン交換反応を行い、次の化合物を得た。
1730cm-1:C-O伸縮振動 1195cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.37 (m, 4H, CH2C=O), δ 3.99 (q, 4H, N+CH2), δ 3.58 (m, 4H, N+ CH 2 CH2COOH), δ 4.07 (m, 4H, N+CH2 CH 2 ), δ 2.92 (s, 3H, CH3SO3).
<実施例3>
実施例1において、参考例3の化合物とメタンスルホン酸を用いて実施例1と同様な配合モル比、合成条件下においてアニオン交換反応を行い、次の化合物を得た。
1730cm-1:C-O伸縮振動 1198cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.25 (m, 6H, CH2C=O), δ 3.98 (q, 2H, N+CH2), δ 3.93 (m, 6H, N+ CH 2 CH2COOH), δ 4.55 (m, 2H, N+CH2 CH 2 ), δ 2.92 (s, 3H, CH3SO3).
<実施例4>
実施例1において、参考例4の化合物とメタンスルホン酸を用いて実施例1と同様な配合モル比、合成条件下においてアニオン交換反応を行い、次の化合物を得た。
1732cm-1:C-O伸縮振動 1192cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.05 (m, 2H, CH2C=O), δ 3.73 (m, 2H, N+CH2), δ 3.16 (m, 2H, N+ CH 2 CH2COOH), δ 3.78 (m, 2H, N+CH2 CH 2 ), δ 2.72 (s, 3H, CH3SO3).
<実施例5>
実施例1において、参考例5の化合物とメタンスルホン酸を用いて実施例1と同様な配合モル比、合成条件下においてアニオン交換反応を行い、次の化合物を得た。
1740cm-1:C-O伸縮振動 1192cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 2.98 (m, 2H, CH2C=O), δ 3.79 (m, 4H, N+CH2), δ 3.16 (m, 2H, N+ CH 2 CH2COOH), δ 3.88 (m, 4H, N+CH2 CH 2 ), δ 2.72 (s, 3H, CH3SO3).
<実施例6>
実施例1において、参考例6の化合物とメタンスルホン酸を用いて実施例1と同様な配合モル比、合成条件下においてアニオン交換反応を行い、次の化合物を得た。
1757cm-1:C-O伸縮振動 1196cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.38 (t, 2H, CH2C=O), δ 3.78 (m, 6H, N+ CH 2 CH2OH), δ 3.96 (m, 6H, N+CH2 CH 2 ), δ 2.70 (s, 3H, CH3SO3).
<実施例7>
参考例1の化合物(213.19g、0.47mol)とテトラフロロホウ酸(226.98g、2.36mol)を用いて、水(500ml)中でアニオン交換反応を行った。室温下、24時間反応後、水を減圧留去し、黄色液体を得た。得られた液体を洗浄することにより、無色透明液体の次の化合物を85.60g得た。
1728cm-1:C-O伸縮振動 1195cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.47 (m, 2H, CH2C=O), δ 3.69 (q, 6H, N+CH2), δ 3.47 (m, 2H, N+ CH 2 CH2COOH), δ 3.90 (m, 6H, N+CH2 CH 2 ).
<実施例8>
参考例1の化合物とヘキサフルオロリン酸を用いて、実施例7と同様な配合モル比、合成条件でアニオン交換反応を行い、次の化合物を得た。
1734cm-1:C-O伸縮振動 1198cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.54 (m, 2H, CH2C=O), δ 3.39 (m, 6H, N+CH2), δ 4.14 (m, 2H, N+ CH 2 CH2COOH), δ 3.86 (m, 6H, N+CH2 CH 2 ).
<実施例9>
参考例1の化合物とトリフルオロメタンスルホン酸を用いて、実施例7と同様な配合モル比、合成条件でアニオン交換反応を行い、次の化合物を得た。
1746cm-1:C-O伸縮振動 1229cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.66 (m, 2H, CH2C=O), δ 3.41 (t, 6H, N+CH2), δ 2.80 (m, 2H, N+ CH 2 CH2COOH), δ 3.78 (t, 6H, N+CH2 CH 2 ).
<実施例10>
参考例1の化合物と1,1,1-トリフルオロ-N-[(トリフルオロメチル)スルホニル]メタンスルホンイミドを用いて、実施例7と同様な配合モル比、合成条件でアニオン交換反応を行い、次の化合物を得た。
1744cm-1:C-O伸縮振動 1198cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.52 (t, 2H, CH2C=O), δ 3.32 (t, 6H, N+CH2), δ 3.67 (m, 2H, N+ CH 2 CH2COOH), δ 3.80 (t, 6H, N+CH2 CH 2 ).
<実施例11>
参考例1の化合物と硫酸ジメチルを用いて、実施例7と同様な配合モル比、合成条件でアニオン交換反応を行い、次の化合物を得た。
1730cm-1:C-O伸縮振動 1200cm-1:C=O伸縮振動
1H-NMR (D2O 400MHz): δ 3.47 (m, 2H, CH2C=O), δ 3.27 (q, 6H, N+CH2), δ 3.82 (m, 2H, N+ CH 2 CH2COOH), δ 3.72 (m, 6H, N+CH2 CH 2 ), δ 2.58 (s, 3H, CH3SO4).
上記実施例1〜11で合成した化合物とその融点を表1に示す。なお、表中“liquid”は常温(25〜30℃)で液体であることを示す。
<実施例12、比較例1〜3>
実施例1で得た化合物について、生分解性試験を行った。生分解性試験は、OECDテストガイドライン301C法に準拠して行った。この試験には一般活性汚泥を微生物源として使用し、調整した標準試験培養液300mlに、微生物源30mg/l、被験物質100mg/lの濃度になるようにそれぞれ投入し、25±1℃、試験期間28日、標準物質にアニリンを使用して行った。分解率はアクタック製BODセンサーを使用して生化学的酸素要求量(BOD;biochemical oxygen demand)を測定し、算出した理論的酸素要求量の値から分解度を算出した。具体的には、28日間のBOD分解度が60%以上の場合を易分解性として評価した。
Claims (2)
- 下記式(I):
- OECDテストガイドライン301C法に準拠した生分解性試験による28日間のBOD分解度が60%以上である請求項1に記載のイオン液体。
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