CN106984343B - 一种用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂及其制备方法 - Google Patents
一种用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂及其制备方法 Download PDFInfo
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- CN106984343B CN106984343B CN201710168294.2A CN201710168294A CN106984343B CN 106984343 B CN106984343 B CN 106984343B CN 201710168294 A CN201710168294 A CN 201710168294A CN 106984343 B CN106984343 B CN 106984343B
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- piperazine
- catalyst
- nitrate
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- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 239000003054 catalyst Substances 0.000 title claims abstract description 75
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 47
- LHIJANUOQQMGNT-UHFFFAOYSA-N aminoethylethanolamine Chemical compound NCCNCCO LHIJANUOQQMGNT-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical class O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000003513 alkali Substances 0.000 claims abstract description 51
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 239000011149 active material Substances 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000000440 bentonite Substances 0.000 claims description 26
- 229910000278 bentonite Inorganic materials 0.000 claims description 26
- 238000002803 maceration Methods 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 22
- 239000008367 deionised water Substances 0.000 claims description 21
- 229910021641 deionized water Inorganic materials 0.000 claims description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 20
- 239000000725 suspension Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 6
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 5
- 235000011007 phosphoric acid Nutrition 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004327 boric acid Substances 0.000 claims description 4
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 claims description 4
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 4
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 3
- 229940005657 pyrophosphoric acid Drugs 0.000 claims description 3
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 claims description 2
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 claims description 2
- QXPQVUQBEBHHQP-UHFFFAOYSA-N 5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-amine Chemical compound C1CCCC2=C1SC1=C2C(N)=NC=N1 QXPQVUQBEBHHQP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims description 2
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- YBYGDBANBWOYIF-UHFFFAOYSA-N erbium(3+);trinitrate Chemical compound [Er+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YBYGDBANBWOYIF-UHFFFAOYSA-N 0.000 claims description 2
- GAGGCOKRLXYWIV-UHFFFAOYSA-N europium(3+);trinitrate Chemical compound [Eu+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GAGGCOKRLXYWIV-UHFFFAOYSA-N 0.000 claims description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 2
- CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 2
- YWECOPREQNXXBZ-UHFFFAOYSA-N praseodymium(3+);trinitrate Chemical compound [Pr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YWECOPREQNXXBZ-UHFFFAOYSA-N 0.000 claims description 2
- YJVUGDIORBKPLC-UHFFFAOYSA-N terbium(3+);trinitrate Chemical compound [Tb+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O YJVUGDIORBKPLC-UHFFFAOYSA-N 0.000 claims description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- KUBYTSCYMRPPAG-UHFFFAOYSA-N ytterbium(3+);trinitrate Chemical compound [Yb+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O KUBYTSCYMRPPAG-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 229960005141 piperazine Drugs 0.000 description 52
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- 239000012153 distilled water Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 12
- 239000011148 porous material Substances 0.000 description 12
- 230000008961 swelling Effects 0.000 description 10
- 238000010792 warming Methods 0.000 description 9
- 238000001354 calcination Methods 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 206010013786 Dry skin Diseases 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- GJKFIJKSBFYMQK-UHFFFAOYSA-N lanthanum(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GJKFIJKSBFYMQK-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- JQXXHWHPUNPDRT-BQVAUQFYSA-N chembl1523493 Chemical compound O([C@](C1=O)(C)O\C=C/[C@@H]([C@H]([C@@H](OC(C)=O)[C@H](C)[C@H](O)[C@H](C)[C@@H](O)[C@@H](C)/C=C\C=C(C)/C(=O)NC=2C(O)=C3C(O)=C4C)C)OC)C4=C1C3=C(O)C=2C=NN1CCN(C)CC1 JQXXHWHPUNPDRT-BQVAUQFYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000004885 piperazines Chemical class 0.000 description 2
- 125000004193 piperazinyl group Chemical group 0.000 description 2
- 229960001225 rifampicin Drugs 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 2
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 1
- NFYCGFPFIVPLHI-UHFFFAOYSA-N 1-methylpiperazine;piperazine Chemical compound C1CNCCN1.CN1CCNCC1 NFYCGFPFIVPLHI-UHFFFAOYSA-N 0.000 description 1
- OXBBIHZWNDPBMQ-UHFFFAOYSA-N 2-[2-(4-benzhydrylpiperazin-1-yl)ethoxy]ethanol Chemical compound C1CN(CCOCCO)CCN1C(C=1C=CC=CC=1)C1=CC=CC=C1 OXBBIHZWNDPBMQ-UHFFFAOYSA-N 0.000 description 1
- GSDSWSVVBLHKDQ-UHFFFAOYSA-N 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid Chemical compound FC1=CC(C(C(C(O)=O)=C2)=O)=C3N2C(C)COC3=C1N1CCN(C)CC1 GSDSWSVVBLHKDQ-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 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
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- PWRPUAKXMQAFCJ-UHFFFAOYSA-N Perlapine Chemical compound C1CN(C)CCN1C1=NC2=CC=CC=C2CC2=CC=CC=C12 PWRPUAKXMQAFCJ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
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- CQGVSILDZJUINE-UHFFFAOYSA-N cerium;hydrate Chemical compound O.[Ce] CQGVSILDZJUINE-UHFFFAOYSA-N 0.000 description 1
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- RCKMWOKWVGPNJF-UHFFFAOYSA-N diethylcarbamazine Chemical compound CCN(CC)C(=O)N1CCN(C)CC1 RCKMWOKWVGPNJF-UHFFFAOYSA-N 0.000 description 1
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- DCKWZDOAGNMKMX-UHFFFAOYSA-N dysprosium(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Dy+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O DCKWZDOAGNMKMX-UHFFFAOYSA-N 0.000 description 1
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- ZQDWXGKKHFNSQK-UHFFFAOYSA-N hydroxyzine Chemical compound C1CN(CCOCCO)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 ZQDWXGKKHFNSQK-UHFFFAOYSA-N 0.000 description 1
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- PTVWPYVOOKLBCG-ZDUSSCGKSA-N levodropropizine Chemical compound C1CN(C[C@H](O)CO)CCN1C1=CC=CC=C1 PTVWPYVOOKLBCG-ZDUSSCGKSA-N 0.000 description 1
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- SCZVXVGZMZRGRU-UHFFFAOYSA-N n'-ethylethane-1,2-diamine Chemical compound CCNCCN SCZVXVGZMZRGRU-UHFFFAOYSA-N 0.000 description 1
- USJZIUVMYSUNGB-UHFFFAOYSA-N neodymium;hydrate Chemical compound O.[Nd] USJZIUVMYSUNGB-UHFFFAOYSA-N 0.000 description 1
- 229960001699 ofloxacin Drugs 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- BOJUHNOLOKDHBE-UHFFFAOYSA-N praseodymium;hydrate Chemical compound O.[Pr] BOJUHNOLOKDHBE-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种用于N‑β‑羟乙基乙二胺合成哌嗪与N‑甲基哌嗪的催化剂及其制备方法,所述催化剂的载体为碱活化膨润土,活性物质的组成为XaYbZcOd;其中X为Ni、Cu、Fe、Cr和Zn元素中的一种,Y为P、S、B元素的一种,Z为稀土元素中的一种,O为氧元素;a=1,b=0.2~2,c=0.3~2,d值取决于a、b、c;本发明催化剂用于N‑β‑羟乙基乙二胺合成哌嗪与N‑甲基哌嗪,显著提高了N‑β‑羟乙基乙二胺的转化率和成哌嗪与N‑甲基哌嗪的总选择性,本发明催化剂载体价格便宜,催化剂制备简便,催化合成产物收率高,哌嗪与N‑甲基哌嗪的选择性可灵活调节以适应市场需求。
Description
技术领域
本发明涉及催化剂技术领域,具体涉及一种用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂及其制备方法。
背景技术
哌嗪分子式为:C4H10N2,又称六氢吡嗪、哌哔嗪、胡椒嗪、双二甲胺等,是重要的有机合成中间体,广泛用于医药、农药和染料中间体等领域,例如:哌嗪可用于合成利福平、哌唑嗪、左羟丙哌嗪、盐酸羟嗪和去氯羟嗪等药物。
N-甲基哌嗪分子式为:C5H12N2,广泛用于医药、橡胶和塑料等领域,例如:N-甲基哌嗪可用于氧氟沙星、甲哌利福霉素、哌拉平和乙胺嗪等药物。
国内外对以N-β-羟乙基乙二胺为原料,合成哌嗪和N-烷基哌嗪的催化剂的研究已取得一定进展,日本专利JP 51122081报道了以N-β-羟乙基乙二胺为原料加氢环合制哌嗪的工艺路线,以铜、铁、锰等金属的氧化物为催化剂,原料转化率超过90%,哌嗪的选择性超过80%,收率最高可达85%以上,但反应压力太高,一般在8~26MPa,且为间歇式生产,生产效率低;美国专利US5414087报道了以N-β-羟乙基乙二胺和醛、酮为原料,以镍、铜、钴等金属的氧化物为催化剂环合制哌嗪和N-烷基哌嗪的工艺路线,该工艺为间歇式生产,收率低,且产物成份较多。
国内以N-β-羟乙基乙二胺为原料,合成哌嗪的大多为间歇式生产,反应于高压釜中进行,所用催化剂的活性组分是铜或镍,载体为γ-Al2O3,哌嗪的收率最高可达88%。中国专利CN1634896A,CN102304101A和CN104496939B报道了于固定床的氢气氛围合成哌嗪类化合物的方法及工艺,催化剂采用的载体为γ-Al2O3、氧化锆及氧化钛,活性组分是铜、镍、锌、铁单质复合催化剂或者它们的氧化物复合催化剂。目前专利报道的催化剂以生产哌嗪或者单一的哌嗪类化合物为主,N-甲基哌嗪选择性很低,催化剂载体的价格也比较贵。
发明内容
本发明的一个目的是解决上述问题,并供一种活性高、产物选择性可调节、选择性好的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂;
本发明提供的技术方案为:
一种用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,所述催化剂的载体为碱活化膨润土,活性物质的组成为XaYbZcOd;
其中X为Ni、Cu、Fe、Cr和Zn元素中的一种,Y为P、S、B元素中的一种,Z为稀土元素中的一种,O为氧元素;a、b、c、d是X、Y、Z、O的摩尔比,a=1,b=0.2~2,c=0.3~2,d值取决于a、b、c,通过化学平衡,令X化学价为A,Y化学价为B,Z化学价为C,0化学价为D,d通过计算,d=(a·A+b·B+c·C)/-D。
优选的是,所述催化剂的载体为碱活化膨润土,活性物质的组成为XaYbZcOd;
其中X为Ni、Cu、Fe、Cr和Zn元素中的一种,Y为P元素,Z为La或Ce元素,O为氧元素;a、b、c、d是X、Y、Z、O的摩尔比,a=1,b=0.4~1.2,c=0.4~1.5,d值取决于a、b、c;优选Y为P元素可以相对提高N-甲基哌嗪的选择性。
优选的是,所述活性物质XaYbZcOd的负载量为载体重量的8-30%,负载量在此范围内,活性物质分散性好使得催化剂的活性好。
本发明还提供一种所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂的制备方法,包括:
步骤1、制备碱活化膨润土:将膨润土分散于质量分数为5%~20%的碱的水溶液中,配制成质量分数为1%~20%的膨润土悬浮液,搅拌,60~104℃活化2~10小时,离心分离,沉淀用蒸馏水洗至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤,60~80℃干燥10~12小时,350~600℃焙烧2~6小时,得到所述碱活化膨润土;其中所述碱不做限定,可以为任意一种可溶于水的碱化合物,优选为氨水、氢氧化钾、氢氧化钠、碳酸钠、碳酸氢钠中的任意一种;
步骤2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂:采用等体积浸渍法制备所述催化剂,将X化合物、Y化合物以及Z化合物加入去离子水中,得到浸渍液,将碱活化膨润土加入浸渍液中,室温静置12小时,120℃干燥12小时,350~600℃焙烧2~6小时,过40~60目筛,得到所述催化剂;其中所述X化合物、Y化合物以及Z化合物均为水溶性化合物;X化合物、Y化合物以及Z化合物根据XaYbZcOd的a,b,c值进行计算然后添加。
优选的是,X化合物为硝酸镍、硝酸铜、硝酸铁、硝酸锌、硝酸铬、硫酸铁和硫酸锌中的任意一种。
优选的是,Y化合物为正磷酸、焦磷酸、偏磷酸、亚磷酸、多磷酸、磷酸铵、磷酸氢二铵、磷酸二氢铵、硫酸、硫酸铵、硫酸氢铵和硼酸中的任意一种。
优选的是,Z化合物为硝酸镧、硝酸铈、硝酸镨、硝酸钕、硝酸铒、硝酸铕、硝酸镝、硝酸镱、硝酸铽和硝酸钇中的任意一种。
本发明的有益效果如下:
第一、本发明的催化剂与现有技术相比,可以将N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪这两种产物,且本发明以碱活化处理过的膨润土为载体,利用碱活化膨润土的弱酸性和磷、硫或硼化物的弱酸性来共同调节催化剂的酸性,利用Ni、Cu、Fe、Cr、Zn和稀土元素共同调节催化剂的碱性,可灵活调节哌嗪与N-甲基哌嗪的选择性以适应市场需求,使得哌嗪选择性在50%到90%之间,N-甲基哌嗪选择性在5%到50%之间,优选Y为P时,N-甲基哌嗪选择性的显著提高;
第二、本发明将膨润土碱活化处理后作为载体,用等体积浸渍法负载活性组分制备成催化剂,方法简单,条件可控,所得催化剂利用膨润土载体独特的孔道择形作用,改善了反应原料及产品在催化剂孔内的扩散效果,显著提高了N-β-羟乙基乙二胺的转化率和成哌嗪与N-甲基哌嗪的总选择性,转化率和总选择性分别达到95%以上,减少了副产物的生成;
第三、本发明催化剂采用碱活化膨润土作为载体,采用碱活化膨润土价格便宜,催化剂制备简便,催化合成产物收率高,催化合成条件简单,在氢气压力为1Mpa就可完成,无需高压条件,显著降低的生产成本,具有显著的市场前景。
具体实施方式
下面结合具体实施例对本发明做进一步的详细说明,以令本领域技术人员参照说明书文字能够据以实施。
实施例1
1、制备碱活化膨润土
将8g膨润土分散于392g去离子水中,搅拌使其充分分散溶胀,配制成质量分数为2%的膨润土悬浮液,加入44.5g氢氧化钠,膨润土悬浮液中氢氧化钠的浓度为10%,100℃搅拌活化8小时,离心分离,用蒸馏水洗涤至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Ni1.0P0.5La0.4O3.35的化学计量比,将1.66g六水合硝酸镍、0.98g六水合硝酸镧、0.58g三水合磷酸铵加入去离子水中,静置15分钟,得到浸渍液;
按照Ni1.0P0.5La0.4O3.35的负载量为20.0%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。所制备的催化剂用Belsorp Max型物理吸附仪进行测试,其比表面积为124m2/g、孔容为0.18cm3/g、平均孔径为6.68nm。
实施例2
1、制备碱活化膨润土
将8g膨润土分散于392g去离子水中,搅拌使其充分分散溶胀,配制成质量分数为2%的膨润土悬浮液,加入70.6g氢氧化钾,膨润土悬浮液中氢氧化钾的浓度为15%,80℃搅拌活化4小时,离心分离,用蒸馏水洗涤至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Cu1.0P0.4Ce0.8O1.6的化学计量比,将1.01g硝酸铜、1.87g六水合硝酸铈、0.62浓磷酸(质量浓度85%)加入去离子水中,静置15分钟,得到浸渍液;按照Cu1.0P0.4Ce0.8O1.6的负载量为26.0%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至550℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。其比表面积为110m2/g、孔容为0.23cm3/g、平均孔径为4.28nm。
实施例3
1、制备碱活化膨润土
将40g膨润土分散于360g去离子水中,搅拌使其充分分散溶胀,配制成质量分数为10%的膨润土悬浮液,加入21.1g氢氧化钠,膨润土悬浮液中氢氧化钠的浓度为5%,100℃搅拌活化4小时,离心分离,用蒸馏水洗涤至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Ni1.0P1.0Er0.8O2.35的化学计量比,将0.41g硝酸镍、0.50g五水合硝酸铒、0.12g焦磷酸加入去离子水中,静置15分钟,得到浸渍液;按照Ni1.0P1.0Er0.8O2.35的负载量为8.5%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至500℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。其比表面积为94m2/g、孔容为0.37cm3/g、平均孔径为8.51nm。
实施例4
1、制备碱活化膨润土
将11g膨润土分散于389g去离子水中,加入150g浓氨水(质量浓度为36.5%),膨润土悬浮液中氨水的浓度为5%,搅拌使其充分分散溶胀,配制成质量分数为2%的膨润土悬浮液,60℃搅拌活化12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中550℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Fe1.0P1.0Nd0.8O2.7的化学计量比,将0.53g硝酸铁、0.77g六水合硝酸钕、0.18g偏磷酸加入去离子水中,静置15分钟,得到浸渍液;按照Fe1.0P1.0Nd0.8O2.7的负载量为12.5%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至500℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。其比表面积为124m2/g、孔容为0.27cm3/g、平均孔径为12.4nm。
实施例5
1、制备碱活化膨润土
制备方法同实施例4
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Cr1.0S0.5Pu0.9O4.35的化学计量比,将1.93g九水硝酸铬、0.25g硫酸(质量浓度98%)、1.88g六水合硝酸镨加入去离子水中,静置15分钟,得到浸渍液;按照Cr1.0S0.5Pu0.9O4.35的负载量为32%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为64m2/g、孔容为0.534cm3/g、平均孔径为23.56nm。
实施例6
1、制备碱活化膨润土
制备方法同实施例2
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Zn1.0B1.5Eu0.8O4.45的化学计量比,将0.83g六水硝酸锌、0.25g硼酸、0.98g六水合硝酸铕加入去离子水中,静置15分钟,得到浸渍液;按照Zn1.0B1.5Eu0.8O4.45的负载量为19%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至500℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为81.24m2/g、孔容为0.089cm3/g、平均孔径为35.84nm。
实施例7
1、制备碱活化膨润土
将40g膨润土分散于360g去离子水中,搅拌使其充分分散溶胀,配制成质量分数为10%的膨润土悬浮液,加入21.1g氢氧化钾,膨润土悬浮液中氢氧化钾的浓度为10%,100℃搅拌活化4小时,离心分离,用蒸馏水洗涤至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃2干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Ni1.0S0.6Dy1.2O5.1的化学计量比,将0.40g硝酸镍、0.11g硫酸铵、0.75g六水合硝酸镝加入去离子水中,静置15分钟,得到浸渍液;按照Ni1.0S0.6Dy1.2O5.1的负载量为12%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为78m2/g、孔容为0.365cm3/g、平均孔径为35.42nm。
实施例8
1、制备碱活化膨润土
制备方法同实施例1
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Zn1.0P1.6La1.5O7.25的化学计量比,将0.40g硝酸锌、0.25g磷酸二氢铵、0.58g六水合硝酸镧加入去离子水中,静置15分钟,得到浸渍液;按照Zn1.0P1.6La1.5O7.25的负载量为15%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为71m2/g、孔容为0.369cm3/g、平均孔径为40.32nm。
实施例9
1、制备碱活化膨润土
将11g膨润土分散于389g去离子水中,加入280g浓氨水(质量浓度为36.5%),膨润土悬浮液中氨水的浓度为15%,搅拌使其充分分散溶胀,配制成质量分数为1.6%的膨润土悬浮液,60℃搅拌活化12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Cu1.0B1.2Yb0.8O4的化学计量比,将0.76g硝酸铜、0.30g硼酸、1.5g六水合硝酸镱加入去离子水中,静置15分钟,得到浸渍液;按照Cu1.0B1.2Yb0.8O4的负载量为27.8%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至500℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为70.38m2/g、孔容为0.054cm3/g、平均孔径为27.48nm。
实施例10
1、制备碱活化膨润土
将32g膨润土分散于368g去离子水中,搅拌使其充分分散溶胀,配制成质量分数为8%的膨润土悬浮液,加入44.4g氢氧化钠,膨润土悬浮液中氢氧化钠的浓度为10%,100℃搅拌活化8小时,离心分离,用蒸馏水洗涤至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤至中性,置于烘箱内80℃干燥12小时然后置于马弗炉中450℃焙烧4小时,自然冷却至室温,用研钵研磨,制备成碱活化膨润土。
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Cr1.0P0.7Y0.9O4.6的化学计量比,将2.0g九水硝酸铬、1.0g三水合磷酸铵、1.9g六水合硝酸钇加入去离子水中,静置15分钟,得到浸渍液;按照Cr1.0P0.7Y0.9O4.6的负载量为30%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其比表面积为73.06m2/g、孔容为0.416cm3/g、平均孔径为32.05nm。
实施例11
1、制备碱活化膨润土
制备方法同实施例1
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Ni1.0S0.5La0.4O3.6的化学计量比,将1.66g六水合硝酸镍、0.98g六水合硝酸镧、0.28g硫酸(质量浓度98%)加入去离子水中,静置15分钟,得到浸渍液;
按照Ni1.0S0.5La0.4O3.6的负载量为20.0%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。所制备的催化剂用Belsorp Max型物理吸附仪进行测试,其比表面积为112m2/g、孔容为0.24cm3/g、平均孔径为5.23nm。
实施例12
1、制备碱活化膨润土
制备方法同实施例1
2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂
采用等体积浸渍法:按照Ni1.0B0.5La0.4O2.85的化学计量比,将1.66g六水合硝酸镍、0.98g六水合硝酸镧、0.17g硼酸(质量浓度98%)加入去离子水中,静置15分钟,得到浸渍液;
按照Ni1.0B0.5La0.4O2.85的负载量为20.0%,将5.0g碱活化膨润土加入浸渍液中,室温静置12小时,置于烘箱中120℃干燥12小时,置于马弗炉中以2.0℃/分钟的升温速率升温至450℃,恒温焙烧4小时,自然冷却至室温,取出,压片,造粒,过40~60目筛,制备成用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂。所制备的催化剂用Belsorp Max型物理吸附仪进行测试,其比表面积为95m2/g、孔容为0.23cm3/g、平均孔径为7.67nm。
为了证明本发明的有益效果,发明人将实施例1~12制备的催化剂分别用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪,具体试验方法如下:
将5g催化剂装填固定床反应器,反应器内径为20mm,管长500mm,催化剂在320℃下氢气流中还原4h,然后反应器降温至反应温度,反应温度为220℃,原料中N-β-羟乙基-1,2-乙二胺与甲醇摩尔比为1∶4,进料速度为0.30mL/min,氢气压力为1.0MPa,原料进入反应器经预热汽化后与催化剂床层接触反应,反应产物用冷浴捕集,气相色谱分析,结果见表1。
表1本发明催化剂用于合成哌嗪与N-甲基哌嗪的反应结果
由表1可见,产物的总选择性达到95%以上,N-β-羟乙基乙二胺的转化率也达到95%以上,哌嗪选择性在50%到90%之间,N-甲基哌嗪选择性在5%到50%之间,总结实施1-12,对比实施例1、11、12可看出当Y为P时,N-甲基哌嗪选择性的显著提高。
尽管本发明的实施方案已公开如上,但其并不仅仅限于说明书和实施方式中所列运用,它完全可以被适用于各种适合本发明的领域,对于熟悉本领域的人员而言,可容易地实现另外的修改,因此在不背离权利要求及等同范围所限定的一般概念下,本发明并不限于特定的细节和这里示出与描述的实施例。
Claims (5)
1.一种用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其特征在于,所述催化剂的载体为碱活化膨润土,活性物质的组成为XaYbZcOd;
其中X为Ni、Cu、Fe、Cr和Zn元素中的一种,Y为P、S、B元素中的一种,Z为稀土元素中的一种,O为氧元素;a、b、c、d是X、Y、Z、O的摩尔比,a=1,b=0.2~2,c=0.3~2,d值取决于a、b、c,所述活性物质XaYbZcOd的负载量为载体重量的8-30%;
所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂的制备方法包括:
步骤1、制备碱活化膨润土:将膨润土分散于质量分数为5%~20%的碱的水溶液中,配制成质量分数为1%~20%的膨润土悬浮液,搅拌,60~104℃活化2~10小时,离心分离,沉淀用蒸馏水洗至中性,用1mol/L的硝酸铵水溶液在80℃交换12小时,离心分离,用蒸馏水洗涤,60~80℃干燥10~12小时,350~600℃焙烧2~6小时,得到所述碱活化膨润土;
步骤2、制备用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂:采用等体积浸渍法制备所述催化剂,将X化合物、Y化合物以及Z化合物加入去离子水中,得到浸渍液,将碱活化膨润土加入浸渍液中,室温静置12小时,120℃干燥12小时,350~600℃焙烧2~6小时,过40~60目筛,得到所述催化剂;其中所述X化合物、Y化合物以及Z化合物均为水溶性化合物。
2.如权利要求1所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其特征在于,所述催化剂的载体为碱活化膨润土,活性物质的组成为XaYbZcOd;
其中X为Ni、Cu、Fe、Cr和Zn元素中的一种,Y为P元素,Z为La或Ce元素,O为氧元素;a、b、c、d是X、Y、Z、O的摩尔比,a=1,b=0.4~1.2,c=0.4~1.5,d值取决于a、b、c。
3.如权利要求1所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂,其特征在于,X化合物为硝酸镍、硝酸铜、硝酸铁、硝酸锌、硝酸铬、硫酸铁和硫酸锌中的任意一种。
4.如权利要求1所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂的制备方法,其特征在于,Y化合物为正磷酸、焦磷酸、偏磷酸、亚磷酸、多磷酸、磷酸铵、磷酸氢二铵、磷酸二氢铵、硫酸、硫酸铵、硫酸氢铵和硼酸中的任意一种。
5.如权利要求1中所述的用于N-β-羟乙基乙二胺合成哌嗪与N-甲基哌嗪的催化剂的制备方法,其特征在于,Z化合物为硝酸镧、硝酸铈、硝酸镨、硝酸钕、硝酸铒、硝酸铕、硝酸镝、硝酸镱、硝酸铽和硝酸钇中的任意一种。
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