CN100457268C - 离子液体支载的乙酰丙酮金属的催化剂及制备方法 - Google Patents
离子液体支载的乙酰丙酮金属的催化剂及制备方法 Download PDFInfo
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- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000003054 catalyst Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 title claims 9
- 229910052751 metal Inorganic materials 0.000 title abstract description 16
- 239000002184 metal Substances 0.000 title abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 11
- 150000003624 transition metals Chemical class 0.000 claims abstract description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 10
- -1 transition metal salt Chemical class 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 3
- 150000002460 imidazoles Chemical class 0.000 claims description 3
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical group CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 8
- IEDKVDCIEARIIU-UHFFFAOYSA-N 2-Nonadecanone Chemical compound CCCCCCCCCCCCCCCCCC(C)=O IEDKVDCIEARIIU-UHFFFAOYSA-N 0.000 claims 4
- 239000000463 material Substances 0.000 claims 4
- 239000003863 metallic catalyst Substances 0.000 claims 3
- 230000000536 complexating effect Effects 0.000 claims 2
- 150000002576 ketones Chemical class 0.000 claims 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Chemical class C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 abstract description 27
- 239000002608 ionic liquid Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 12
- 238000003756 stirring Methods 0.000 description 8
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 6
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 6
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 6
- XLSZMDLNRCVEIJ-UHFFFAOYSA-N methylimidazole Natural products CC1=CNC=N1 XLSZMDLNRCVEIJ-UHFFFAOYSA-N 0.000 description 6
- ASYBEJAJVKOXLG-UHFFFAOYSA-N 1-chloropentane-2,4-dione Chemical compound CC(=O)CC(=O)CCl ASYBEJAJVKOXLG-UHFFFAOYSA-N 0.000 description 5
- YIHZADDUILUANG-UHFFFAOYSA-N 1-bromopentane-2,4-dione Chemical compound CC(=O)CC(=O)CBr YIHZADDUILUANG-UHFFFAOYSA-N 0.000 description 4
- SLLDUURXGMDOCY-UHFFFAOYSA-N 2-butyl-1h-imidazole Chemical compound CCCCC1=NC=CN1 SLLDUURXGMDOCY-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- MLSCXUZYBYYCFA-UHFFFAOYSA-N 3-(2-chloroethyl)pentane-2,4-dione Chemical compound CC(=O)C(C(C)=O)CCCl MLSCXUZYBYYCFA-UHFFFAOYSA-N 0.000 description 2
- HBZWBCHMGMJMLX-UHFFFAOYSA-N 3-(3-bromopropyl)pentane-2,4-dione Chemical compound CC(=O)C(C(C)=O)CCCBr HBZWBCHMGMJMLX-UHFFFAOYSA-N 0.000 description 2
- TWPKGTSKDIBDLD-UHFFFAOYSA-O ClC[N+]1=CNC=C1 Chemical compound ClC[N+]1=CNC=C1 TWPKGTSKDIBDLD-UHFFFAOYSA-O 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910018286 SbF 6 Inorganic materials 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229940032296 ferric chloride Drugs 0.000 description 1
- 229940044631 ferric chloride hexahydrate Drugs 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
本发明涉及一类新离子液体支载的乙酰丙酮金属催化剂及制备方法,该方法先将取代乙酰丙酮类物质与咪唑类物质按0.1~5的摩尔比,在-20℃~150℃温度下,反应得离子液体支载的乙酰丙酮,将该离子液体支载的乙酰丙酮与过渡金属离子,按1~5的摩尔比,在0℃~100℃温度下反应,络合生成离子液体支载的乙酰丙酮金属催化剂。这类催化剂在反应后可以简单的通过水洗的方法从反应体系中回收回来。
Description
技术领域
本发明涉及一类离子液体支载的乙酰丙酮金属的催化剂及制备方法。
背景技术
众所周知,乙酰丙酮金属类试剂在氧化反应(US4970347,US4046813,CN1425642)、开环聚合反应、接枝聚合反应(CN1470534,CN1405192,CN1405192,CN1422876,CN1263520,CN1470535,CN1572809)等反应过程中是一种优良的催化剂。但在这些反应中使用乙酰丙酮金属类催化剂也有其固有的缺点,以氧化反应为例(US4970347,US4046813),由于乙酰丙酮金属类催化剂在有机相中具有较好的溶解性,能很好的溶解于反应体系,给后处理过程及催化剂的回收带来了困难:通过水洗萃取的方法,由于乙酰丙酮金属类催化剂在水中溶解性较差,很难对其进行回收;通过精馏的方法,由于反应过程中产生的副产物(尤其是一些聚合的副产物)在精馏中往往残留在角料中,这部分副产物和乙酰丙酮金属类催化剂混杂在一起,要从其中提取乙酰丙酮金属类催化剂也是相当困难的,同时乙酰丙酮金属类催化剂在高温精馏过程中还容易被破坏。
发明内容
本发明的目的是提供一类离子液体支载的乙酰丙酮金属的催化剂及制备方法,这类催化剂在反应后可以简单的通过水洗的方法从反应体系中回收回来。
本发明涉及的离子液体支载的乙酰丙酮金属催化剂简写式为:[ace-Cnmim][X]-M,其中ace表示乙酰丙酮的种类,mim表示咪唑的种类,X表示阴离子的种类,M表示金属离子,具有如下的通式:
其中n=1~6;M1为三价过渡金属Fe3+,Cr3+,V3+,M2为二价过渡金属Ti2+,Mn2+,Fe2+,Co2+,Ni2+,Cu2+;R1,R2,R3为H、具有通式CmH2m+1(m=1~6)或CmH2m(m=1~6)的直链烃或支链烃、苯基或取代的苯基;X为BF4 -,PF6 -,SbF6 -,H2PO4 -,F-,Cl-,Br-,HSO4 -,NO3 -阴离子。
本发明所涉及的离子液体支载的乙酰丙酮金属催化剂具体的可通过如下两步反应制备:1)以取代乙酰丙酮类物质与咪唑类物质在合适的有机溶剂中反应得离子液体支载的乙酰丙酮,反应式如下:
2)离子液体支载的乙酰丙酮与过渡金属盐在合适的有机溶剂中反应,络合生成离子液体支载的乙酰丙酮金属催化剂。
本发明反应使用的有机溶剂可以是丙酮、丁酮、戊酮、四氢呋喃、乙醚、异丙醚、1~6个碳链的一元醇中的一种或一种以上。
适合于本发明的第一步反应的温度在-20℃~150℃间,并优选在0℃~100℃间;适合于第二步反应的温度在-20℃~100℃间,并优选在0℃~80℃间。
在第一步反应中,取代乙酰丙酮类物质与咪唑类物质的摩尔比在0.1~10之间,并优选在0.5~5之间;在第二步反应中,离子液体支载的乙酰丙酮与过渡金属盐的摩尔比在0.1~10之间,并优选在1~5之间。
本发明不同于先前发明之处在于:通过该方法制得的乙酰丙酮金属催化剂在可溶于常规有机溶剂的同时在水中具有较好的溶解度,而且在水中的溶解度往往大于在有机溶剂中的溶解度。从而使得在反应过程中离子液体支载的乙酰丙酮金属催化剂可以很好的溶解于反应体系,而在反应结束后通过简单的水洗的方法便可以从反应体系中除去催化剂,然后在减压下蒸除水分,达到回收催化剂的目的。
以下的实施例将对本发明进行更为全面的描述。
具体实施方式
实施例1
在250ml的三颈烧瓶中加入16.4g(0.2mol)甲基咪唑、150ml丙酮,搅拌并降温至0℃,在2小时内缓慢滴加33.5g(0.25mol)氯代乙酰丙酮,滴完后升温至室温继续搅拌8小时。减压蒸馏至恒重,得氯甲基咪唑乙酰丙酮39.3g(产率:91.0%)。
实施例2
在250ml的三颈烧瓶中加入10.8g(0.04mol)六水合三氯化铁和100ml乙醇中,在100ml的恒压滴液漏斗中将26.0g(0.12mol)实施例1所得氯甲基咪唑乙酰丙酮溶于80ml乙醇,搅拌下升温至40℃,在2小时内缓慢滴加氯甲基咪唑乙酰丙酮的乙醇溶液,滴完后继续保温搅拌5小时。减压蒸馏至恒重,得氯甲基咪唑乙酰丙酮铁(III)27.9g(产率:99.2%)。
实施例3
在500ml的三颈烧瓶中加入16.4g(0.2mol)甲基咪唑、150ml甲醇,搅拌并降温至0℃,在2小时内缓慢滴加33.5g(0.25mol)氯代乙酰丙酮,滴完后升温至室温继续搅拌8小时。
在250ml的恒压滴液漏斗中加入18.1g(0.067mol)六水合三氯化铁和150ml甲醇的混合溶液。将三颈烧瓶中的溶液搅拌下升温至40℃,在2小时内缓慢滴加三氯化铁的甲醇溶液,滴完后继续保温搅拌5小时。减压蒸馏至恒重,得氯甲基咪唑乙酰丙酮铁(III)46.2g(产率:98.1%)。
实施例4-14
类似于实施例3,分别采用不同的取代乙酰丙酮类物质、咪唑类物质、有机溶剂、过渡金属盐,反应结束后得如下结果:
实施例 | 取代乙酰丙酮(mol) | 咪唑(mol) | 有机溶剂(ml) | 过渡金属盐(mol) | 催化剂产率 |
4 | 氯代乙酰丙酮0.20 | 咪唑0.22 | 甲醇300 | FeCl<sub>3</sub> 0.067 | 92.3% |
5 | 溴代乙酰丙酮0.20 | 甲基咪唑0.25 | 甲醇300 | FeCl<sub>3</sub> 0.067 | 93.8% |
6 | 溴代乙酰丙酮0.20 | 咪唑0.22 | 甲醇300 | FeCl<sub>3</sub> 0.067 | 90.1% |
7 | 氯代乙酰丙酮0.20 | 丁基咪唑0.25 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 98.7% |
8 | 氯代乙酰丙酮0.20 | 咪唑0.22 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 94.9% |
9 | 溴代乙酰丙酮0.20 | 丁基咪唑0.25 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 95.3% |
10 | 溴代乙酰丙酮0.20 | 甲基咪唑0.25 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 91.2% |
11 | 3-氯乙基-乙酰丙酮0.20 | 甲基咪唑0.25 | 甲醇300 | FeCl<sub>3</sub> 0.067 | 95.8% |
12 | 3-溴丙基-乙酰丙酮0.20 | 丁基咪唑0.25 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 93.5% |
13 | 3-氯乙基-乙酰丙酮0.20 | 咪唑0.22 | 丙酮400 | CuCl<sub>2</sub> 0.10 | 92.1% |
14 | 3-溴丙基-乙酰丙酮0.20 | 甲基咪唑0.25 | 甲醇300 | FeCl<sub>3</sub> 0.067 | 90.0% |
Claims (5)
3、根据权利要求2所述的方法,其特征在于取代乙酰丙酮类物质与咪唑类物质摩尔比为0.5~5,离子液体支载的乙酰丙酮与过渡金属盐的摩尔比为1~5。
4、根据权利要求2所述的方法,其特征在于得到离子液体支载的乙酰丙酮的反应温度为0℃~100℃,络合生成离子液体支载的乙酰丙酮金属催化剂反应温度为0℃~80℃。
5、根据权利要求2所述的方法,其特征在于合适的有机溶剂为丙酮、丁酮、戊酮、四氢呋喃、乙醚、异丙醚、1~6个碳链的一元醇中的一种以上。
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CN102304054A (zh) * | 2011-05-10 | 2012-01-04 | 浙江大学 | 螯合型离子液体及其制备纯化方法 |
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