CN110746460A - 一种含膦基化合物的唑类离子液体及其制备方法 - Google Patents
一种含膦基化合物的唑类离子液体及其制备方法 Download PDFInfo
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- 239000002608 ionic liquid Substances 0.000 title claims abstract description 42
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 title claims abstract description 34
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910000073 phosphorus hydride Inorganic materials 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 150000001875 compounds Chemical class 0.000 title claims description 12
- -1 alkyl imidazole Chemical compound 0.000 claims abstract description 45
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims abstract description 31
- 239000000706 filtrate Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000005457 ice water Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 18
- 239000000047 product Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 150000001450 anions Chemical class 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 11
- LDLCZOVUSADOIV-UHFFFAOYSA-N 2-bromoethanol Chemical compound OCCBr LDLCZOVUSADOIV-UHFFFAOYSA-N 0.000 claims abstract description 10
- HFRXJVQOXRXOPP-UHFFFAOYSA-N thionyl bromide Chemical compound BrS(Br)=O HFRXJVQOXRXOPP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000003852 triazoles Chemical class 0.000 claims abstract description 5
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 3
- 150000003003 phosphines Chemical class 0.000 claims abstract description 3
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 21
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 4
- IVRMZWNICZWHMI-UHFFFAOYSA-N Azide Chemical compound [N-]=[N+]=[N-] IVRMZWNICZWHMI-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000003380 propellant Substances 0.000 abstract description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- PMOIAJVKYNVHQE-UHFFFAOYSA-N phosphanium;bromide Chemical compound [PH4+].[Br-] PMOIAJVKYNVHQE-UHFFFAOYSA-N 0.000 description 13
- 239000007787 solid Substances 0.000 description 11
- 238000003760 magnetic stirring Methods 0.000 description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 4
- PQAMFDRRWURCFQ-UHFFFAOYSA-N 2-ethyl-1h-imidazole Chemical compound CCC1=NC=CN1 PQAMFDRRWURCFQ-UHFFFAOYSA-N 0.000 description 4
- VJYSQDDMULQXDE-UHFFFAOYSA-N 4-butyl-2h-triazole Chemical compound CCCCC1=CNN=N1 VJYSQDDMULQXDE-UHFFFAOYSA-N 0.000 description 4
- LVEIJLGSXRYDEY-UHFFFAOYSA-N 4-propan-2-yl-2h-triazole Chemical compound CC(C)C1=CNN=N1 LVEIJLGSXRYDEY-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- XSUZSAMSJKGENR-UHFFFAOYSA-N nitramide;potassium Chemical compound [K].N[N+]([O-])=O.N[N+]([O-])=O XSUZSAMSJKGENR-UHFFFAOYSA-N 0.000 description 4
- ATQVLILIUKMVAG-UHFFFAOYSA-N 4-prop-2-enyl-2h-triazole Chemical compound C=CCC1=CNN=N1 ATQVLILIUKMVAG-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 229910001961 silver nitrate Inorganic materials 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 2
- WTUOKKCHEVPQNL-UHFFFAOYSA-N N-(1-cyanoethyl)-N-nitronitramide Chemical compound [N+](=O)([O-])N([N+](=O)[O-])C(C#N)C WTUOKKCHEVPQNL-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 2
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 2
- IGNTWNVBGLNYDV-UHFFFAOYSA-N triisopropylphosphine Chemical compound CC(C)P(C(C)C)C(C)C IGNTWNVBGLNYDV-UHFFFAOYSA-N 0.000 description 2
- YWWDBCBWQNCYNR-UHFFFAOYSA-N trimethylphosphine Chemical compound CP(C)C YWWDBCBWQNCYNR-UHFFFAOYSA-N 0.000 description 2
- KCTAHLRCZMOTKM-UHFFFAOYSA-N tripropylphosphane Chemical compound CCCP(CCC)CCC KCTAHLRCZMOTKM-UHFFFAOYSA-N 0.000 description 2
- GNFABDZKXNKQKN-UHFFFAOYSA-N tris(prop-2-enyl)phosphane Chemical compound C=CCP(CC=C)CC=C GNFABDZKXNKQKN-UHFFFAOYSA-N 0.000 description 2
- WVKQECDSKDGQDQ-UHFFFAOYSA-N 1-butyltriazole Chemical compound CCCCN1C=CN=N1 WVKQECDSKDGQDQ-UHFFFAOYSA-N 0.000 description 1
- CAPAOPVDGQSWAM-UHFFFAOYSA-N 1h-pyrrol-2-ylphosphane Chemical compound PC1=CC=CN1 CAPAOPVDGQSWAM-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- LIQCCNRSMIHEBU-UHFFFAOYSA-N [Ag+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O Chemical compound [Ag+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O LIQCCNRSMIHEBU-UHFFFAOYSA-N 0.000 description 1
- ZBRPDVQFFVGEBQ-UHFFFAOYSA-N [N+](=O)([O-])[Ag][N+](=O)[O-] Chemical compound [N+](=O)([O-])[Ag][N+](=O)[O-] ZBRPDVQFFVGEBQ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- CJTHFDHXWHXPCF-UHFFFAOYSA-N imidazol-1-ylphosphane Chemical compound PN1C=CN=C1 CJTHFDHXWHXPCF-UHFFFAOYSA-N 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6503—Five-membered rings
- C07F9/6506—Five-membered rings having the nitrogen atoms in positions 1 and 3
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B43/00—Compositions characterised by explosive or thermic constituents not provided for in groups C06B25/00 - C06B41/00
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- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/08—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more liquids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6515—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having three nitrogen atoms as the only ring hetero atoms
- C07F9/6518—Five-membered rings
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
本发明公开了一种含膦基化合物的唑类离子液体及其制备方法,具体为在溶剂中加入三烃基膦与溴乙醇搅拌使之混合均匀后反应,将得到的溶液过滤后取滤液洗涤旋干得到产物(a),将(a)在冰水浴下溶于氯仿,随后将亚硫酰溴的氯仿溶液滴入(a)的氯仿溶液,冰水浴搅拌后过滤,将滤液洗涤旋干后得到产物(b),将(b)与烃基咪唑或三唑在溶剂中混合,80‑125℃反应,降温干燥后在溶剂中与二氰胺阴离子、硝基氰基胺阴离子、二硝铵阴离子、氰基硼氢根阴离子、二氰基硼氢根阴离子、叠氮根阴离子等的钠盐或银盐进行复分解反应,洗涤干燥后得到目标产物。该类离子液体性能优异,稳定性高,是一种潜在的肼类液体推进剂替代物。
Description
技术领域
本发明涉及液体推进剂技术领域,本发明涉及一种含膦基化合物的唑类离子液体及其制备方法。
背景技术
目前航天液体火箭推进系统中广泛使用甲基肼或偏二甲肼类燃料,该类燃料价格低,制备工艺成熟,但毒性高、挥发性强、致癌性十分明显,而且在运输及存储过程中对环境的要求较高,因此研发新型安全可靠、绿色环保且性能优良的液体推进剂已经成为各国军工推进剂领域的热点。在众多可替代产品中,离子液体以其不挥发、无毒(或低毒)、安全系数高,且能与一些氧化剂混合自燃等优点,成为众多学者关注的焦点。2008年美国爱德华兹空军基地的Schneider合成了第一例“自燃”离子液体(即二氰胺咪唑离子液体),此后,高水平的研究工作不断涌现。到目前为止,人们已经发展了数十类上千种离子液体,其中以单阴离子离子液体为主,组成离子液体的阳离子普遍为正一价阳离子,双阴离子离子液体出现较少。
发明内容
本发明的目的在于提供一种新型的双阴离子的性能优异的唑基膦类自燃离子液体推进剂及其合成方法。
为了达到上述目的,本发明采用的技术方案为:
一种含膦基化合物的唑类离子液体,其结构式为或其中R1为C1-C4的直链或支链烃基,R2为C1-C6的直链或支链烃基,M-为阴离子,所述阴离子选自二氰胺阴离子、二氰基硼氢根阴离子、二硝铵阴离子、硝基氰基胺阴离子、氰基硼氢根阴离子、叠氮根阴离子中的任意一种。
本发明还提供了一种含膦基化合物的唑类离子液体的制备方法,合成路线如下:
其制备方法具体包括以下步骤:
(3)将(b)与烃基咪唑或三唑在溶剂中混合,80-125℃下充分反应,降温干燥后在溶剂中与二氰胺阴离子、硝基氰基胺阴离子、二硝铵阴离子、氰基硼氢根阴离子、二氰基硼氢根阴离子、叠氮根阴离子等的钠盐或银盐进行复分解反应,洗涤干燥后得到目标产物。
进一步的技术方案为,所述步骤(1)中三烃基膦与溴乙醇的物质的量比为1:3-3:1。
进一步的技术方案为,所述步骤(1)中反应时间为24小时以上。
进一步的技术方案为,所述步骤(2)中冰水浴搅拌时间为3-12h。
进一步的技术方案为,所述步骤(3)中反应时间为8小时以上。
进一步的技术方案为,所述溶剂选自乙腈、丙酮、二氯甲烷、乙酸乙酯中的任意一种。
与现有技术相比,本发明具有如下有益效果:
膦基化合物常被用来作为离子液体中阴离子的合成原料,其燃效高,反应能垒高,稳定性较为优异,因此在近年的自燃离子液体合成中应用较广。本发明将烃基膦类化合物引入咪唑及三唑取代基中可得到一类新型咪唑膦及三唑膦双阴离子基离子液体,该类离子液体与水反应能垒高,且与水的分子间作用能低,对水稳定性好,易于储存;在性能上,该类离子液体不对称性高,粘度较低,比冲高,点火延迟时间短,性能优异,是一种潜在的肼类液体推进剂替代物。
具体实施方式
下面结合具体实施例对本发明进行进一步的解释和说明。
实施例1
在100ml三口瓶中依次加入7.6g三甲膦(76g/mol)18.75g溴乙醇(125g/mol),磁力搅拌,N2气氛下100℃反应28h,反应液降至室温后乙醚多次洗涤旋干,得到三甲基-(2-羟乙基)膦溴化物,随后将其在冰水浴中溶于氯仿,将亚硫酰溴与氯仿混合后逐滴滴入三甲基-(2-羟基)膦溴化物,冰水浴条件下搅拌5h后过滤,取滤液经沸乙醇多次洗涤后过滤后取滤液旋干,得到三甲基-(2-溴乙基)膦溴化物,将其与乙基咪唑在乙腈中混合,90℃反应8h,降温干燥后得到乙基咪唑的溴化膦盐
取3.6g乙基咪唑的溴化膦盐溶于40ml乙腈,加入3.9g白色二氰胺银固体,磁力搅拌,避光室温反应28h后过滤,将滤液旋干后得到2-(1-乙基咪唑)乙基-三甲膦二氰胺离子液体1。离子液体含有三甲基膦及乙基咪唑。离子液体收率85.9%。1H NMR(600MHz,DMSO-d6):δppm:1.57(m,3H,CH3),4.80(m,2H,CH2),8.95(s,H,CH),7.79(d,H,CH),7.99(d,H,CH),3.81(m,2H,CH2),2.97(m,2H,CH2),0.93(s,9H,CH3).13C NMR(150MHz,DMSO-d6):δ:ppm:5.8,16.5,26.0,40.1,55.0,122.5,123.0,137.2.Elementalanalysis,calcd(%)for C14H21N8P(332.16):C:50.60,H:6.37,N:33.72,Found,C:50.35,H:7.27,N:32.19。
实施例2
在150ml三口瓶中依次加入16g三丙膦(160g/mol)19.50g溴乙醇(125g/mol),磁力搅拌,N2气氛下100℃反应26h,反应液降至室温后乙醚多次洗涤旋干,得到三丙基-(2-羟乙基)膦溴化物,随后将其在冰水浴中溶于氯仿,将亚硫酰溴与氯仿混合后逐滴滴入三丙基-(2-羟基)膦溴化物,冰水浴条件下搅拌8h后过滤,取滤液经沸乙醇多次洗涤后过滤后取滤液旋干,得到三丙基-(2-溴乙基)膦溴化物,将其与烯丙基三唑在甲醇中混合,100℃反应12h,降温干燥后得到烯丙基三唑的溴化膦盐
在0~5℃磁力搅拌下,将1.87g氢氧化钾(溶于25ml乙醇)滴加到4.32g二硝基氨基丙腈的40ml乙醇溶液中,在20℃搅拌30-40min后,冷却到0℃,过滤得2.65g二硝酰胺钾(131g/mol)。将二硝酰胺钾溶于水中,加入4.48g硝酸银(219g/mol),磁力搅拌至溶液中出现大量白色固体二硝酰银(213g/mol)将溶液抽滤后白色固体避光备用。
取4.57g烯丙基三唑的溴化膦盐溶于50ml二氯甲烷,加入4.4g白色二硝酰银固体,磁力搅拌,避光室温反应28h后过滤,将滤液旋干后得到2-(1-烯丙基三唑)乙基-三丙膦二硝酰离子液体2。离子液体含有三丙基膦及烯丙基三唑。离子液体收率89.7%。1H NMR(600MHz,DMSO-d6):δppm:5.04-5.09(m,2H,CH2),5.75(m,H,CH),1.95(d,2H,CH2),7.78(d,H,CH),7.93(d,H,CH),3.83(m,2H,CH2),2.96(m,2H,CH2),2.46(m,6H,CH2),1.43(m,6H,CH2),0.96(m,9H,CH3).13C NMR(150MHz,DMSO-d6):δ:ppm:15.5,15.9,16.8,21.1,42.2,56.6,117.2,123.2,132.7.Elemental analysis,calcd(%)forC16H32N9O8P(509.2):C:37.72,H:6.33,N:24.74,Found,C:38.05,H:6.57,N:24.19。
实施例3
在150ml三口瓶中依次加入20.2g三丁膦(202g/mol)16.3g溴乙醇(125g/mol),磁力搅拌,N2气氛下100℃反应28h,反应液降至室温后乙醚多次洗涤旋干,得到三丁基-(2-羟乙基)膦溴化物,随后将其在冰水浴中溶于氯仿,将亚硫酰溴与氯仿混合后逐滴滴入三丁基-(2-羟基)膦溴化物,冰水浴条件下搅拌9h后过滤,取滤液经沸乙醇多次洗涤后过滤后取滤液旋干,得到三丁基-(2-溴乙基)膦溴化物,将其与异丙基三唑在乙腈中混合,110℃反应10h,降温干燥后得到异丙基三唑的溴化膦盐将得到的异丙基三唑的溴化膦盐溶于45ml丙酮,加入1.35g氰基硼氢化钠固体(62.84g/mol),磁力搅拌,室温反应22h后过滤,将滤液旋干后得到2-(1-异丙基三唑)乙基-三丁膦氰基硼氢根离子液体3。离子液体含有三丁基膦及异丙基三唑。离子液体收率90.5%。1H NMR(600MHz,DMSO-d6):δppm:0.03–0.42(m,6H,BH3),0.92(d,6H,CH3),1.70(m,H,CH),7.78(d,H,CH),7.91(d,H,CH),3.80(m,2H,CH2),2.98(m,2H,CH2),2.47(m,6H,CH2),1.30(m,12H,CH2),0.92(m,9H,CH3).13C NMR(150MHz,DMSO-d6):δ:ppm:13.9,16.8,18.7,23.6,25.6,25.8,55.3,123.2,42.2,118.3.Elementalanalysis,calcd(%)for C21H46B2N5P(421.4):C:59.88,H:11.01,N:16.63,Found,C:59.98,H:12.00,N:16.19。
实施例4
在150ml三口瓶中依次加入16g三异丙膦(160g/mol)17.9g溴乙醇(125g/mol),磁力搅拌,N2气氛下100℃反应25h,反应液降至室温后乙醚多次洗涤旋干,得到三异丙基-(2-羟乙基)膦溴化物,随后将其在冰水浴中溶于氯仿,将亚硫酰溴与氯仿混合后逐滴滴入三异丙基-(2-羟基)膦溴化物,冰水浴条件下搅拌10h后过滤,取滤液经沸乙醇多次洗涤后过滤后取滤液旋干,得到三异丙基-(2-溴乙基)膦溴化物,将其与甲基咪唑在丙酮中混合,105℃反应12h,降温干燥后得到甲基咪唑的溴化膦盐
在0~5℃磁力搅拌下,将1.87g氢氧化钾(溶于25ml乙醇)滴加到4.32g二硝基氨基丙腈的40ml乙醇溶液中,在20℃搅拌30-40min后,冷却到0℃,过滤得2.65g二硝酰胺钾(131g/mol)。将二硝酰胺钾溶于水中,加入4.48g硝酸银(219g/mol),磁力搅拌至溶液中出现大量白色固体二硝酰银(213g/mol)将溶液抽滤后白色固体避光备用。
取4.3g甲基咪唑的溴化膦盐溶于40ml二氯甲烷,加入4.57g白色二硝酰银固体,磁力搅拌,避光室温反应32h后过滤,将滤液旋干后得到2-(1-甲基咪唑)乙基-三异丙膦二硝酰离子液体4离子液体含有三异丙基膦及甲基咪唑。离子液体收率90.32%。1H NMR(600MHz,DMSO-d6):δppm:4.36(s,3H,CH3),8.95(s,H,CH),7.76(d,H,CH),7.91(d,H,CH),3.80(m,2H,CH2),2.98(m,2H,CH2),1.71(m,H,CH),0.91(m,18H,CH3).13C NMR(150MHz,DMSO-d6):δ:ppm:10.8,19.5,24.2,37.0,41.5,122.8,137.0.Elementalanalysis,calcd(%)for C15H31N8O8P(482.2):C:37.34,H:6.48,N:23.23,Found,C:37.75,H:6.97,N:23.09。
实施例5
在150ml三口瓶中依次加入15.4g三烯丙基膦(154g/mol)19.8g溴乙醇(125g/mol),磁力搅拌,N2气氛下100℃反应30h,反应液降至室温后乙醚多次洗涤旋干,得到三烯丙基-(2-羟乙基)膦溴化物,随后将其在冰水浴中溶于氯仿,将亚硫酰溴与氯仿混合后逐滴滴入三烯丙基-(2-羟基)膦溴化物,冰水浴条件下搅拌12h后过滤,取滤液经沸乙醇多次洗涤后过滤后取滤液旋干,得到三烯丙基-(2-溴乙基)膦溴化物,将其与丁基三唑在乙腈中混合,120℃反应8h,降温干燥后得到丁基三唑的溴化膦盐将得到的丁基三唑的溴化膦盐溶于40ml乙腈,加入1.42g氰基硼氢化钠固体(62.84g/mol),磁力搅拌,室温反应32h后过滤,将滤液旋干后得到2-(1-丁基三唑)乙基-三烯丙膦氰基硼氢根离子液体3。离子液体含有三烯丙基膦及丁基三唑。离子液体收率92.2%。1H NMR(600MHz,DMSO-d6):δppm:0.03–0.40(m,6H,BH3),0.90(m,3H,CH3),1.32(m,4H,CH2),0.99(m,2H,CH2),7.78(d,H,CH),7.91(d,H,CH),3.80(m,2H,CH2),2.98(m,2H,CH2),2.01(m,6H,CH2),5.71(m,3H,CH),5.03-5.09(m,6H,CH2).13C NMR(150MHz,DMSO-d6):δ:ppm:13.8,17.0,20.7,25.8,29.7,42.5,53.4,117.6,118.3,123.0,123.4,132.7.Elemental analysis,calcd(%)for C19H36B2N5P(387.3):C:58.95,H:9.37,N:18.09,Found,C:59.28,H:10.10,N:17.99。
尽管这里参照本发明的解释性实施例对本发明进行了描述,上述实施例仅为本发明较佳的实施方式,本发明的实施方式并不受上述实施例的限制,应该理解,本领域技术人员可以设计出很多其他的修改和实施方式,这些修改和实施方式将落在本申请公开的原则范围和精神之内。
Claims (8)
1.一种含膦基化合物的唑类离子液体的制备方法,其特征在于,包括如下步骤:
(1)在溶剂中加入三烃基膦与溴乙醇搅拌使之混合均匀后,N2气氛下100℃下进行反应,将得到的溶液过滤后取滤液洗涤旋干得到产物(a)三烃基-(2-羟乙基)膦溴化物
(3)将(b)与烃基咪唑或三唑在溶剂中混合,80-125℃下充分反应,降温干燥后在溶剂中与二氰胺阴离子、硝基氰基胺阴离子、二硝铵阴离子、氰基硼氢根阴离子、二氰基硼氢根阴离子、叠氮根阴离子等的钠盐或银盐进行复分解反应,洗涤干燥后得到目标产物。
2.根据权利要求1所述的含膦基化合物的唑类离子液体的制备方法,其特征在于,所述步骤(1)中三烃基膦与溴乙醇的物质的量比为1:3-3:1。
3.根据权利要求1所述的含膦基化合物的唑类离子液体的制备方法,其特征在于,所述步骤(1)中反应时间为24小时以上。
4.根据权利要求1所述的含膦基化合物的唑类离子液体的制备方法,其特征在于,所述步骤(2)中冰水浴搅拌时间为3-12h。
5.根据权利要求1所述的含膦基化合物的唑类离子液体的制备方法,其特征在于,所述步骤(3)中反应时间为8小时以上。
7.根据权利要求1所述的含膦基化合物的唑类离子液体的制备方法,其特征在于,所述溶剂选自乙腈、丙酮、二氯甲烷、乙酸乙酯中的任意一种。
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