WO2017115671A1 - シクロペンチルアルキルエーテル化合物の製造方法 - Google Patents
シクロペンチルアルキルエーテル化合物の製造方法 Download PDFInfo
- Publication number
- WO2017115671A1 WO2017115671A1 PCT/JP2016/087639 JP2016087639W WO2017115671A1 WO 2017115671 A1 WO2017115671 A1 WO 2017115671A1 JP 2016087639 W JP2016087639 W JP 2016087639W WO 2017115671 A1 WO2017115671 A1 WO 2017115671A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reaction
- group
- cyclopentyl
- zeolite
- alcohol
- Prior art date
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- -1 cyclopentyl alkyl ether compound Chemical class 0.000 title claims abstract description 104
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 91
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000010457 zeolite Substances 0.000 claims abstract description 69
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000002378 acidificating effect Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 32
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 30
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 30
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 29
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentenylidene Natural products C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims abstract description 4
- 150000001941 cyclopentenes Chemical class 0.000 claims description 24
- 125000001424 substituent group Chemical group 0.000 claims description 20
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 abstract description 35
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 3
- 230000006866 deterioration Effects 0.000 abstract description 2
- 125000005346 substituted cycloalkyl group Chemical group 0.000 abstract description 2
- 125000002433 cyclopentenyl group Chemical class C1(=CCCC1)* 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 125000000547 substituted alkyl group Chemical group 0.000 abstract 1
- 239000000047 product Substances 0.000 description 22
- 239000000203 mixture Substances 0.000 description 19
- 239000002994 raw material Substances 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000011973 solid acid Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 239000012295 chemical reaction liquid Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000004414 alkyl thio group Chemical group 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000007259 addition reaction Methods 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 150000001932 cycloheptanes Chemical class 0.000 description 2
- 150000001934 cyclohexanes Chemical class 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- 150000001938 cyclooctanes Chemical class 0.000 description 2
- 150000001940 cyclopentanes Chemical class 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- GHDIHPNJQVDFBL-UHFFFAOYSA-N methoxycyclohexane Chemical compound COC1CCCCC1 GHDIHPNJQVDFBL-UHFFFAOYSA-N 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003138 primary alcohols Chemical class 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000013076 target substance Substances 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- PRCTXEMAQDYUNN-UHFFFAOYSA-N (1-methoxycyclopentyl)benzene Chemical compound C=1C=CC=CC=1C1(OC)CCCC1 PRCTXEMAQDYUNN-UHFFFAOYSA-N 0.000 description 1
- AWCQPJGDROLAIF-UHFFFAOYSA-N (2-methylpropan-2-yl)oxycyclopentane Chemical compound CC(C)(C)OC1CCCC1 AWCQPJGDROLAIF-UHFFFAOYSA-N 0.000 description 1
- QIIAONVJAUZQQR-UHFFFAOYSA-N 1,3-dimethylcyclopentene Chemical compound CC1CCC(C)=C1 QIIAONVJAUZQQR-UHFFFAOYSA-N 0.000 description 1
- QYARYUIEGUAAFP-UHFFFAOYSA-N 1-bromo-3-hexoxycyclopentane Chemical compound C(CCCCC)OC1CC(CC1)Br QYARYUIEGUAAFP-UHFFFAOYSA-N 0.000 description 1
- XNHUZSZMXSLTQL-UHFFFAOYSA-N 1-bromocyclopentene Chemical compound BrC1=CCCC1 XNHUZSZMXSLTQL-UHFFFAOYSA-N 0.000 description 1
- FAKWWNFQPZURQO-UHFFFAOYSA-N 1-butan-2-yloxycyclopentene Chemical compound C(C)(CC)OC1=CCCC1 FAKWWNFQPZURQO-UHFFFAOYSA-N 0.000 description 1
- VUSGINKLHRIBPT-UHFFFAOYSA-N 1-butan-2-ylsulfanylcyclopentene Chemical compound C(C)(CC)SC1=CCCC1 VUSGINKLHRIBPT-UHFFFAOYSA-N 0.000 description 1
- PUGILGQRCAVMFT-UHFFFAOYSA-N 1-chloro-2-cyclopentyloxycyclohexane Chemical compound ClC1C(CCCC1)OC1CCCC1 PUGILGQRCAVMFT-UHFFFAOYSA-N 0.000 description 1
- WNDFDZVVUMVMGR-UHFFFAOYSA-N 1-chloro-2-pentoxycyclopentane Chemical compound C(CCCC)OC1C(CCC1)Cl WNDFDZVVUMVMGR-UHFFFAOYSA-N 0.000 description 1
- PESMDKVYLHUJRF-UHFFFAOYSA-N 1-chloro-3-(2-methoxyethoxy)cyclopentane Chemical compound COCCOC1CC(CC1)Cl PESMDKVYLHUJRF-UHFFFAOYSA-N 0.000 description 1
- BOAJWWRGWQZMPE-UHFFFAOYSA-N 1-chloro-5-methylcyclopentene Chemical compound ClC1=CCCC1C BOAJWWRGWQZMPE-UHFFFAOYSA-N 0.000 description 1
- UJUIJZWQFDQKHO-UHFFFAOYSA-N 1-chlorocyclopentene Chemical compound ClC1=CCCC1 UJUIJZWQFDQKHO-UHFFFAOYSA-N 0.000 description 1
- JSTNEFSYFHRFRA-UHFFFAOYSA-N 1-ethoxy-3-methoxycyclopentane Chemical compound CCOC1CCC(OC)C1 JSTNEFSYFHRFRA-UHFFFAOYSA-N 0.000 description 1
- ATFQOAFZCLGWTP-UHFFFAOYSA-N 1-ethoxy-3-methylsulfanylcyclopentane Chemical compound C(C)OC1CC(CC1)SC ATFQOAFZCLGWTP-UHFFFAOYSA-N 0.000 description 1
- RSOSXOCBQRQHOJ-UHFFFAOYSA-N 1-ethyl-3-methoxycyclopentane Chemical compound CCC1CCC(OC)C1 RSOSXOCBQRQHOJ-UHFFFAOYSA-N 0.000 description 1
- USBOFOFNGXUZBU-UHFFFAOYSA-N 1-fluoro-1-methoxycyclopentane Chemical compound COC1(CCCC1)F USBOFOFNGXUZBU-UHFFFAOYSA-N 0.000 description 1
- IFRIJEKNVVMZBB-UHFFFAOYSA-N 1-fluorocyclopentene Chemical compound FC1=CCCC1 IFRIJEKNVVMZBB-UHFFFAOYSA-N 0.000 description 1
- PUQYSHFIJKTEMT-UHFFFAOYSA-N 1-methoxy-1,3-dimethylcyclopentane Chemical compound C1(CCC(C)(OC)C1)C PUQYSHFIJKTEMT-UHFFFAOYSA-N 0.000 description 1
- HJIPILMKRASVNP-UHFFFAOYSA-N 1-methoxy-1-methylcyclopentane Chemical compound COC1(C)CCCC1 HJIPILMKRASVNP-UHFFFAOYSA-N 0.000 description 1
- DSQVNZQPDSIEBT-UHFFFAOYSA-N 1-methoxy-3-methylcyclopentane Chemical compound COC1CCC(C)C1 DSQVNZQPDSIEBT-UHFFFAOYSA-N 0.000 description 1
- ATQUFXWBVZUTKO-UHFFFAOYSA-N 1-methylcyclopentene Chemical compound CC1=CCCC1 ATQUFXWBVZUTKO-UHFFFAOYSA-N 0.000 description 1
- LZPGKPOLHHXTEB-UHFFFAOYSA-N 1-tert-butylcyclopentene Chemical compound CC(C)(C)C1=CCCC1 LZPGKPOLHHXTEB-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- QHGZNGRUGQRPLL-UHFFFAOYSA-N 2-methoxyethoxycyclopentane Chemical compound COCCOC1CCCC1 QHGZNGRUGQRPLL-UHFFFAOYSA-N 0.000 description 1
- CXOZQHPXKPDQGT-UHFFFAOYSA-N 3-Methylcyclopentene Chemical compound CC1CCC=C1 CXOZQHPXKPDQGT-UHFFFAOYSA-N 0.000 description 1
- IXTVPKLXYMEYEP-UHFFFAOYSA-N 3-[(2-methylpropan-2-yl)oxy]cyclopentene Chemical compound CC(C)(C)OC1CCC=C1 IXTVPKLXYMEYEP-UHFFFAOYSA-N 0.000 description 1
- GQWYECAAVJTKGA-UHFFFAOYSA-N 3-bromocyclopentene Chemical compound BrC1CCC=C1 GQWYECAAVJTKGA-UHFFFAOYSA-N 0.000 description 1
- VMTYPOXKMKYYAH-UHFFFAOYSA-N 3-butan-2-ylcyclopentene Chemical compound CCC(C)C1CCC=C1 VMTYPOXKMKYYAH-UHFFFAOYSA-N 0.000 description 1
- LPSWJRSLXCPGBK-UHFFFAOYSA-N 3-chlorocyclopentene Chemical compound ClC1CCC=C1 LPSWJRSLXCPGBK-UHFFFAOYSA-N 0.000 description 1
- BBASYDDNIRBDJJ-UHFFFAOYSA-N 3-ethoxycyclopentene Chemical compound CCOC1CCC=C1 BBASYDDNIRBDJJ-UHFFFAOYSA-N 0.000 description 1
- HICUGGYRYZOXJI-UHFFFAOYSA-N 3-ethylcyclopentene Chemical compound CCC1CCC=C1 HICUGGYRYZOXJI-UHFFFAOYSA-N 0.000 description 1
- IFZDCFNXLRVIBC-UHFFFAOYSA-N 3-ethylsulfanylcyclopentene Chemical compound CCSC1CCC=C1 IFZDCFNXLRVIBC-UHFFFAOYSA-N 0.000 description 1
- PUNAFIBTAHETMN-UHFFFAOYSA-N 3-methoxycyclopentene Chemical compound COC1CCC=C1 PUNAFIBTAHETMN-UHFFFAOYSA-N 0.000 description 1
- ZWUZLNAIYKYZET-UHFFFAOYSA-N 3-methylsulfanylcyclopentene Chemical compound CSC1CCC=C1 ZWUZLNAIYKYZET-UHFFFAOYSA-N 0.000 description 1
- BTIZXMLNKLAFJJ-UHFFFAOYSA-N 3-tert-butylsulfanylcyclopentene Chemical compound CC(C)(C)SC1CCC=C1 BTIZXMLNKLAFJJ-UHFFFAOYSA-N 0.000 description 1
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical class C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 241000219793 Trifolium Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical group 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- LALHWYBLLSTBLQ-UHFFFAOYSA-N butoxycyclopentane Chemical compound CCCCOC1CCCC1 LALHWYBLLSTBLQ-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- ZQZBBQNLHWBXPW-UHFFFAOYSA-N chloromethoxycyclopentane Chemical compound ClCOC1CCCC1 ZQZBBQNLHWBXPW-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- KTHXBEHDVMTNOH-UHFFFAOYSA-N cyclobutanol Chemical compound OC1CCC1 KTHXBEHDVMTNOH-UHFFFAOYSA-N 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000004210 cyclohexylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical class C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 1
- 239000004914 cyclooctane Chemical class 0.000 description 1
- FHADSMKORVFYOS-UHFFFAOYSA-N cyclooctanol Chemical compound OC1CCCCCCC1 FHADSMKORVFYOS-UHFFFAOYSA-N 0.000 description 1
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 1
- CXMYOMKBXNPDIW-UHFFFAOYSA-N cyclopenten-1-ylbenzene Chemical compound C1CCC=C1C1=CC=CC=C1 CXMYOMKBXNPDIW-UHFFFAOYSA-N 0.000 description 1
- XKTJUSYHJBQFBG-UHFFFAOYSA-N cyclopentylmethylsulfanylmethoxymethylsulfanylmethylcyclopentane Chemical compound C1(CCCC1)CSCOCSCC1CCCC1 XKTJUSYHJBQFBG-UHFFFAOYSA-N 0.000 description 1
- WWKKBFVZHUKKQZ-UHFFFAOYSA-N cyclopentyloxycyclohexane Chemical compound C1CCCC1OC1CCCCC1 WWKKBFVZHUKKQZ-UHFFFAOYSA-N 0.000 description 1
- YOXHCYXIAVIFCZ-UHFFFAOYSA-N cyclopropanol Chemical compound OC1CC1 YOXHCYXIAVIFCZ-UHFFFAOYSA-N 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000001983 dialkylethers Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- AOWTYVFGMCEIRN-UHFFFAOYSA-N ethoxycyclopentane Chemical compound CCOC1CCCC1 AOWTYVFGMCEIRN-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 229910001657 ferrierite group Inorganic materials 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- JZIKUVKAXLVIOZ-UHFFFAOYSA-N hexoxycyclopentane Chemical compound CCCCCCOC1CCCC1 JZIKUVKAXLVIOZ-UHFFFAOYSA-N 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 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
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- HESHNEGWPWFJRX-UHFFFAOYSA-N methoxymethoxycyclopentane Chemical compound COCOC1CCCC1 HESHNEGWPWFJRX-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 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
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004706 n-propylthio group Chemical group C(CC)S* 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
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- NUJRGNQVUTUOEK-UHFFFAOYSA-N pentoxycyclopentane Chemical compound CCCCCOC1CCCC1 NUJRGNQVUTUOEK-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- XSXHNHNXEICRHE-UHFFFAOYSA-N propan-2-yloxycyclopentane Chemical compound CC(C)OC1CCCC1 XSXHNHNXEICRHE-UHFFFAOYSA-N 0.000 description 1
- HEPMXJPHYFIYFP-UHFFFAOYSA-N propoxycyclopentane Chemical compound CCCOC1CCCC1 HEPMXJPHYFIYFP-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/05—Preparation of ethers by addition of compounds to unsaturated compounds
- C07C41/06—Preparation of ethers by addition of compounds to unsaturated compounds by addition of organic compounds only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/18—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
- C07C43/184—Ethers having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring to a carbon atom of a non-condensed ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
Definitions
- the present invention relates to cyclopentyl alkyl ether useful as a cleaning solvent for electronic parts and precision machine parts, a solvent for chemical reaction, a solvent for extraction, a solvent for crystallization, a chromatographic eluent, a solvent for electronic and electrical materials, and a release agent.
- the present invention relates to a process for producing a compound industrially advantageously.
- Patent Document 1 discloses a method for producing cyclopentyl methyl ether using an acidic ion exchange resin having a water content of 5% by weight or less as a catalyst.
- this method has a problem that the reaction yield is low because it is necessary to react in the gas phase in order to suppress the deterioration of the acidic ion exchange resin.
- Patent Document 2 discloses a process for producing methyl-t-butyl ether using crystalline aluminosilicate as a catalyst
- Patent Document 3 discloses cyclohexylmethyl which uses a special aluminosilicate having many external surface acid sites as a catalyst
- Patent Document 4 describes a method for producing ether, and a method for producing cyclohexyl methyl ether using tungsten oxide having a specific amount of water of crystallization as a catalyst.
- Patent Documents 2 to 4 do not describe that cyclopentyl methyl ether was actually produced.
- Patent Document 4 discloses that when high silica zeolite (H-ZSM-5) is used as a solid acid catalyst for the reaction of cyclohexene and methanol, the yield of methylcyclohexyl ether obtained is only 3.7%. It is stated that there was.
- H-ZSM-5 high silica zeolite
- Patent Document 5 discloses that a primary alcohol is reacted with a primary alcohol in the presence of a solid acid catalyst such as a pentasil-type zeolite having a silica / alumina ratio of 30 to 350.
- a solid acid catalyst such as a pentasil-type zeolite having a silica / alumina ratio of 30 to 350.
- the present invention is a method for producing a cyclopentyl alkyl ether compound by the addition reaction of cyclopentenes and alcohol in the presence of a solid acid catalyst, which can be reacted in a liquid phase with little decrease in catalyst activity over time (catalyst lifetime). It is an object of the present invention to provide a method capable of continuously producing a target cyclopentyl alkyl ether compound with high reaction efficiency and stability for a long period of time even when the raw material supply is increased. To do.
- the present inventors have found that when cyclopentenes and an alcohol compound are reacted in the presence of an acidic zeolite having a silica / alumina ratio of 80 or more, even when the raw material supply amount is increased, the present invention is high.
- the inventors have found that the target cyclopentyl alkyl ether compound can be continuously produced with a reaction efficiency and stably for a long period of time, and the present invention has been completed.
- a method for producing a cyclopentyl alkyl ether compound [2] The cyclopentyl alkyl ether compound according to [1], wherein the cyclopentyl alkyl ether compound represented by the formula (1) is a compound in which R 1 is an alkyl group having 1 to 10 carbon atoms in the formula (1). Compound production method. [3] The process for producing a cyclopentyl alkyl ether compound according to [1] or [2], wherein the acidic zeolite is H-ZSM-5 type zeolite.
- the target cyclopentyl alkyl ether compound can be continuously produced with high reaction efficiency and stability for a long period of time even when the reaction can be performed in the liquid phase and the raw material supply is increased. be able to.
- cyclopentenes an optionally substituted cyclopentene (hereinafter sometimes referred to as “cyclopentenes”)
- formula (2) R Production of cyclopentyl alkyl ether compound represented by the formula (1): R 1 —O—R 2 in which an alcohol compound represented by 1 OH (hereinafter sometimes referred to as “alcohol compound (2)”) is reacted. Is the method.
- optionally substituted means “unsubstituted or substituted”.
- the substituent of the cyclopentene which may have a substituent used in the present invention is not particularly limited as long as it is an inert group under the reaction conditions.
- alkyl group having 1 to 4 carbon atoms such as methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, t-butyl group; methoxy group, ethoxy group, n-propoxy group, isopropoxy group
- An alkoxy group having 1 to 4 carbon atoms such as n-butoxy group and t-butoxy group
- an alkylthio group having 1 to 4 carbon atoms such as methylthio group, ethylthio group, n-propylthio group and t-butylthio group
- a halogen atom such as a chlorine atom or a bromine atom
- an aryl group optionally having a substituent such as a phenyl group
- cyclopentenes include cyclopentene, 1-methylcyclopentene, 3-methylcyclopentene, 3-ethylcyclopentene, 3-sec-butylcyclopentene, 2-t-butylcyclopentene, 1,3-dimethylcyclopentene, 3-methoxycyclopentene.
- cyclopentene is particularly preferable from the viewpoint of availability.
- the alcohol compound (2) used in the present invention is a compound represented by the formula (2): R 1 OH.
- R 1 represents an alkyl group having 1 to 10 carbon atoms which may have a substituent, or a cycloalkyl group having 3 to 8 carbon atoms which may have a substituent.
- alkyl group having 1 to 10 carbon atoms which may have a substituent examples include a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec- Examples thereof include a butyl group, isobutyl group, tert-butyl group, n-pentyl group, neopentyl group, n-hexyl group, n-heptyl group, n-octyl group, n-nonyl group and n-decyl group.
- Examples of the substituent of the alkyl group having 1 to 10 carbon atoms which may have a substituent include an alkoxy group having 1 to 10 carbon atoms such as a methoxy group and an ethoxy group; 1 to 1 carbon atoms such as a methylthio group and an ethylthio group 10 alkylthio groups; halogen atoms such as fluorine atom, chlorine atom and bromine atom;
- Examples of the cycloalkyl group having 3 to 8 carbon atoms of the cycloalkyl group having 3 to 8 carbon atoms which may have a substituent include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, and a cyclooctyl group. Groups and the like.
- Examples of the substituent of the cycloalkyl group having 3 to 8 carbon atoms which may have a substituent include an alkyl group having 1 to 10 carbon atoms such as a methyl group, an ethyl group, an n-propyl group and an isopropyl group; a methoxy group And an alkoxy group having 1 to 10 carbon atoms such as ethoxy group; an alkylthio group having 1 to 10 carbon atoms such as methylthio group and ethylthio group; a halogen atom such as fluorine atom, chlorine atom and bromine atom;
- alcohol compound (2) examples include methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, isobutanol, tert-butanol, n-pentanol, and n-hexanol.
- R 1 is an alkyl group having 1 to 10 carbon atoms
- Alkoxyalkyl alcohols such as methoxymethyl alcohol, 1-methoxyethyl alcohol, 2-methoxyethyl alcohol, 2-ethoxy-tert-butyl alcohol, 2-ethoxy-n-hexyl alcohol
- methylthiomethyl alcohol 1-methylthioethyl alcohol
- 2 -Alkylthioalkyl alcohols such as methylthio-tert-butyl alcohol, 3-methylthio-n-butyl alcohol, 4-methylthio-n-hexyl alcohol
- chloromethyl alcohol, bromomethyl alcohol, 1-chloroethyl alcohol, 2-chloro-n Halogenated alkyl alcohols such as 2-propyl alcohol, 2-bromo-tert-butyl alcohol, 2-bromo-n-butyl alcohol, 2-chloro-n-hexyl alcohol Etc.
- an alcohol compound R 1 is an alkyl group having 1 to 10 carbon
- R 1 is an alkyl group having 1 to 10 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms in the formula (2) because the effects of the present invention are more easily obtained. It is preferable to use an alcohol compound, and it is more preferable to use an alcohol compound in which R 1 is an alkyl group having 1 to 10 carbon atoms.
- an acidic zeolite having a silica / alumina ratio of 80 or more (hereinafter sometimes simply referred to as “acidic zeolite”) is used as a reaction catalyst (solid acid catalyst).
- the silica / alumina ratio is preferably 80 to 300, and more preferably 80 to 180, from the viewpoint of obtaining good catalytic activity.
- Such an acidic zeolite has little decrease in catalyst activity over time and a long catalyst life. Therefore, the target product can be obtained industrially advantageously with high reaction efficiency and stability for a long period of time.
- Zeolites are composed of SiO 4 tetrahedrons and AlO 4 tetrahedrons, and many types are known due to differences in the bonding mode of each tetrahedron. Further, zeolite has a three-dimensional framework structure and forms cavities (pores) in the lattice. The size and shape of the pores vary depending on the type of zeolite, and some have a pore diameter of 3 to 12 angstroms and a one-dimensional to three-dimensional pore shape.
- zeolite for example, silica source (water glass, sodium silicate, etc.) and alumina source (aluminum hydroxide, sodium aluminate) are mixed, and template agent (zeolite seed crystals, etc.) is added as necessary to adjust pH. Then, it can be produced by hydrothermal synthesis. In this case, a zeolite having a silica / alumina ratio of 80 or more can be obtained by adjusting the molar ratio of the silica source and the alumina source.
- silica source water glass, sodium silicate, etc.
- alumina source aluminum hydroxide, sodium aluminate
- template agent zeolite seed crystals, etc.
- Zeolite has ion exchange capacity, and usually has alkali metal ions such as Na and K in its skeleton, but it can be easily exchanged by contacting with various cations. It is possible.
- An acidic zeolite is a zeolite having H + groups or Lewis acid sites on its surface.
- Examples of the acidic zeolite used in the present invention include beta type, faujasite type, mordenite type, L type, Y type, omega type, ZSM-5 type, ferrierite type zeolite, etc.
- the ZSM-5 type zeolite is preferably the H type (H-ZSM-5 type).
- the H type acidic zeolite is obtained by, for example, bringing a zeolite into contact with an aqueous ammonium ion solution (an aqueous solution of NH 4 Cl, NH 4 NO 3, etc.) to obtain an ammonium ion type zeolite, which is then calcined at a temperature of 300 ° C. or higher. It can be obtained by removing ammonia. It can also be obtained by bringing zeolite into contact with a strong acid such as hydrochloric acid and directly ion-exchanged with H ions. Moreover, what is marketed as an H-type acidic zeolite can also be used as it is.
- the acidic zeolite used in the present invention may be a powder or a molded one, but a molded acidic zeolite (zeolite molded product) is preferable from the viewpoint of handling.
- a molded acidic zeolite zeolite molded product
- the molded product of acidic zeolite used in the present invention may be a hydrothermally synthesized product, a dried product, a fired product, or an ion exchange product.
- known methods such as extrusion, compression, tableting, flow, rolling, and spraying can be employed.
- a forming method it can be formed into a desired shape, for example, spherical (granular), cylindrical (pellet), plate, ring, clover, honeycomb or the like.
- pellets are required, methods such as extrusion and tableting are adopted.
- fine particles such as fluidized bed catalysts are required, methods such as spray drying are used. Can be adopted.
- zeolite used for molding those having a primary particle diameter of 5 ⁇ m or less, preferably 1 ⁇ m or less are usually used.
- the size of the molded product is not particularly limited.
- a cylindrical pellet having a diameter of 0.5 to 5 mm and a height of 0.5 to 5 mm, a flat disk type pellet having a diameter of 0.5 to 5 mm, and the like can be given.
- Zeolite molded products include those formed by mixing zeolite powder and a binder (hereinafter, sometimes referred to as “zeolite-binder molded body”), and those molded without using a binder component ( Hereinafter, it may be referred to as “binderless zeolite compact”.
- binder used for the production of the former zeolite-binder molded body examples include inorganic oxides such as alumina, silica, and clay. Further, if necessary, it can be molded by adding polyvinyl alcohol, methylcellulose, polyethylene oxide, wax or the like.
- a zeolite-binder molded body When using a zeolite-binder molded body, the pressure loss is reduced while controlling the morphological characteristics such as the shape and size of the molded body, meso and macropore volume and their distribution to some extent, and at the same time, It is possible to improve the mass transfer rate and achieve high catalyst utilization efficiency.
- the latter binderless zeolite molded body can be synthesized in advance by a method of crystallizing a precursor dry gel powder after compression molding on a disk, or by a post-synthesis method such as aqueous sodium hydroxide or hydrothermal treatment.
- Examples include a method of impregnating and supporting an organic structure directing agent (SDA) and crystallization in a pressurized steam atmosphere (Surface Chemistry, 19, 558 (1998), Adv. Mater., 8, 759 (1996), Chem. Lett., 25, 403 (1996), Zeolite, Vol. 29, No. 2, 55-61, Open Patent Publication No. 2001-58817, Bull.Chem.Soc.Jpn., 80,1075 (2007), Surv.Asia, see, 14,116 (2010)).
- SDA organic structure directing agent
- a commercially available product of acidic zeolite can be used as it is.
- the catalytic activity does not decrease over a long period of time.
- the concentration of the target substance in the reaction liquid at the initial stage of the reaction is 100
- the period during which the concentration of the target substance in the reaction liquid can be maintained at 80% or more depends on the reaction method, reaction scale, etc.
- 500 hours or more that is, it can be used continuously for 500 hours or longer without replacing the catalyst.
- the used catalyst can be activated and reused by a conventionally known method.
- the present invention is a method for producing a cyclopentyl alkyl ether compound by reacting a cyclopentene with an alcohol compound (2) in the presence of acidic zeolite.
- the reaction method is not particularly limited.
- a method (flow type) or the like in which acidic zeolite is packed in a column and the mixture is circulated through the column (hereinafter referred to as “reaction column”) can be used.
- reaction column it is preferable to adopt the flow type from the viewpoint of working efficiency and the ability to produce the target product continuously over a long period of time.
- cyclopentenes and alcohol compound (2) may be mixed at a predetermined ratio.
- a liquid mixture of cyclopentenes and alcohol compound (2) can be prepared in advance, stored in a tank, and sent from the tank to the reaction column, or cyclopentenes and alcohol compound (2) Can be stored in separate tanks, and the cyclopentenes and the alcohol compound (2) can be separately fed therefrom, and both can be mixed and sent immediately before flowing through the reaction column.
- a predetermined amount of acidic zeolite, cyclopentenes and alcohol compound (2) is added to the reactor, and the reaction mixture is stirred at a predetermined temperature and a predetermined pressure.
- the amount of acidic zeolite used in this case is usually in the range of 0.01 to 200 parts by weight, preferably 0.1 to 150 parts by weight, more preferably 1 to 100 parts by weight with respect to 100 parts by weight of the cyclopentenes. .
- the reaction temperature is usually 50 to 250 ° C., preferably 80 to 200 ° C.
- the reaction pressure is usually from normal pressure (1013 hPa, the same applies hereinafter) to 10 MPa, preferably normal, although it depends on the reaction temperature and the like.
- the pressure is in the range of 5 MPa.
- the reaction time is usually 0.5 to 24 hours, preferably 1 to 10 hours.
- the reaction is preferably performed under an inert atmosphere such as nitrogen.
- reaction temperature a predetermined temperature
- FIG. 1 shows an example of a more specific method that is carried out by the flow type.
- 1 is a raw material (mixture of cyclopentenes and alcohol compound (2)) tank
- 2 is a liquid feed pump
- 3 is a preheater
- 4 is a reaction column
- 5 is a condenser
- 6 is a pressure gauge
- 7 is A back pressure valve 8 is a reaction liquid tank.
- the number of reaction columns 4 may be one, but the conversion rate of cyclopentenes [or alcohol compound (2)] can be further improved by combining a plurality of reaction columns.
- the size of the column used is not particularly limited, and various columns can be selected according to the reaction scale. When a plurality of reaction columns are used in combination, the types of acidic zeolite charged in each column may be the same or different.
- the mixture may be in a gas state, a liquid state, or a mixed state of a gas state and a liquid state.
- the pressure at which the mixture passes through the reaction column is usually in the range of normal pressure to 10 MPa, preferably normal pressure to 5 MPa, more preferably normal pressure to 3 MPa at the inlet portion of the reaction column.
- the reaction temperature temperature in the reaction column
- the reaction temperature is usually 50 to 200 ° C., preferably 80 to 180 ° C.
- the use ratio of cyclopentenes and alcohol compound (2) is not particularly limited. In the case of a flow-through type, since the time during which the mixture is heated is short, the cyclopentenes do not polymerize. On the other hand, if the alcohol compound (2) is used excessively, the amount of dialkyl ether by-product may increase. Is not preferable. Specifically, the molar ratio of (cyclopentenes) / (alcohol compound (2)) is usually 1/5 to 20/1, preferably 1/4 to 10/1, more preferably 1/3 to 5 /. 1, more preferably 1/3 to 3/1.
- the space velocity when cyclopentenes and alcohol compound (2) pass through the reaction column [a value (hr ⁇ 1 ) representing how many times the catalyst volume is treated per unit time] is usually , 0.01 to 100 hr ⁇ 1 , preferably 0.1 to 30 hr ⁇ 1 .
- reaction temperature, a distribution rate, etc. can be changed for every reaction column.
- the reaction can be performed without a solvent, or can be performed in an inert solvent in which the raw material cyclopentenes are dissolved and not mixed with water.
- solvent used examples include aliphatic saturated hydrocarbons such as n-butane, n-pentane, n-hexane, n-heptane, n-octane, n-nonane, and n-decane; benzene, toluene, ethylbenzene, xylene , Aromatic hydrocarbons such as anisole, cumene, nitrobenzene; cyclopentane, alkyl-substituted cyclopentanes, alkoxy-substituted cyclopentanes, nitro-substituted cyclopentanes, cyclohexane, alkyl-substituted cyclohexanes, alkoxy-substituted cyclohexanes, nitro-substituted cyclohexane , Cycloheptane, alkyl-substituted cycloheptanes,
- the amount of the solvent used is not particularly limited, and any amount can be selected as long as the reaction is not inhibited.
- the amount of the solvent used is usually 10 to 90% by volume, preferably 20 to 80% by volume, based on the total amount of the reaction solution.
- the target cyclopentyl alkyl ether compound can be isolated by a usual separation / purification method such as solvent extraction and distillation of the reaction solution. Distillation may be performed multiple times.
- the distillation apparatus for example, a known distillation apparatus such as a continuous rectification apparatus having a rectification column can be used.
- the obtained reaction solution is again passed through the reaction column, and then continuously distilled by, for example, a distillation apparatus filled with Raschig rings. You can also.
- the unreacted cyclopentenes and alcohol compound (2) can be returned to the reaction column and used again for the reaction, and the target product can be obtained at a higher conversion rate.
- an acidic zeolite having a silica / alumina ratio of 80 or more is used as the solid acid catalyst, so that even when the raw material supply is increased, the reaction efficiency is high and stable for a long time.
- the desired cyclopentyl alkyl ether compound represented by the formula (1): R 1 —O—R 2 can be produced continuously.
- the cyclopentyl alkyl ether compound obtained by the production method of the present invention corresponds to the raw material used, and specifically, cyclopentyl methyl ether, cyclopentyl ethyl ether, cyclopentyl n-propyl ether, cyclopentyl isopropyl ether, cyclopentyl n-butyl ether, Cyclopentyl tert-butyl ether, cyclopentyl n-pentyl ether, cyclopentyl n-hexyl ether, cyclopentyl methoxymethyl ether, cyclopentyl 2-methoxyethyl ether, cyclopentylmethylthiomethyl ether, cyclopentyl chloromethyl ether, cyclopentyl cyclohexyl ether, cyclopentyl 2-chlorocyclohexyl ether; 1-methylcyclopentyl methyl ether, 3-methyl
- H-ZSM-5 type zeolite powder prepared with a silica / alumina ratio at a predetermined value, alumina as a binder, and a diameter of 2.2 mm
- a molded product manufactured by JGC Catalysts & Chemicals Co., Ltd. formed and fired into a cylindrical shape having a height of 5 mm was used.
- Example 1 The following experiment was conducted using the reaction apparatus shown in FIG.
- the reaction column 4 was packed with 100 ml of a catalyst having a silica / alumina ratio of 80 in a bulk volume.
- a mixture of cyclopentene and methanol (weight ratio 68:32 (molar ratio 1: 1)) was charged into the raw material tank 1.
- the gas inside the liquid feed pump 2, preheater 3, reaction column 4, and cooling pipe 5 is replaced with the raw material mixture.
- the set pressure of the back pressure valve 7 was increased to temporarily stop the flow of the liquid.
- the liquid feed pump 2 was operated at a flow rate of 5 ml / min, and the back pressure valve 7 was adjusted so that the indicated value of the pressure gauge 6 was 2.8 MPa. Thereafter, the preheater 3 and the reaction column 4 were heated to 145 ° C., and the reaction solution flowing out from the reaction column 4 was cooled to 0 ° C. with the cooling pipe 5 and collected in the reaction solution tank 8.
- the temperature of the preheater 3 and the reaction column 4 reaches a predetermined 145 ° C.
- the reaction is started, the liquid at the outlet of the back pressure valve 7 is sampled, and the reaction of the produced target cyclopentyl methyl ether (CPME)
- the concentration in liquid (initial concentration) was measured with a gas chromatograph. Furthermore, the concentration of CPME for each elapsed time was measured as appropriate, and the ratio (initial ratio) with the initial concentration was calculated.
- the reaction was stopped after 621 hours when the initial ratio reached 75%.
- Table 1 below shows the concentration (%) of CPME in the reaction solution after each elapsed time and the ratio (%) of the concentration (% by weight) of CPME to the initial concentration. Further, these results are shown in the graphs of FIGS.
- the vertical axis indicates the concentration (% by weight) of CPME
- the horizontal axis indicates the elapsed time (hours).
- the vertical axis indicates the ratio (%) of the concentration of CPME to the initial concentration
- the horizontal axis indicates the elapsed time (hour).
- Example 2 In Example 1, the reaction was carried out in the same manner as in Example 1 except that the solid acid catalyst was changed from a silica / alumina ratio of 80 to a silica / alumina ratio of 180. The reaction was stopped after 816.5 hours when the initial ratio reached 80%. The results are shown in the following Table 1 and the graphs of FIGS.
- Example 1 (Comparative Example 1) In Example 1, the reaction was performed in the same manner as in Example 1 except that the solid acid catalyst was changed from a silica / alumina ratio of 80 to a silica / alumina ratio of 30. The reaction was stopped after 119 hours when the initial ratio reached 38%. The results are shown in the following Table 1 and the graphs of FIGS.
- Example 2 In Example 1, the reaction was performed in the same manner as in Example 1 except that the solid acid catalyst was changed from a silica / alumina ratio of 80 to a silica / alumina ratio of 50. The reaction was stopped after 209 hours when the initial ratio reached 80%. The results are shown in Table 1 and the graphs of FIGS.
- Example 3 In Example 1, the solid acid catalyst was changed from a silica / alumina ratio of 80 to a silica / alumina ratio of 30, and the weight ratio of the mixture of cyclopentene and methanol was 68:32 (molar ratio 1: 1). )) To 41:59 (molar ratio 1: 3), the set temperature of the preheater 3 and the reaction tube 4 is changed from 145 ° C. to 150 ° C., and the indicated value of the pressure gauge 6 is changed from 2.8 MPa to 2. The reaction was performed in the same manner as in Example 1 except that the pressure was 5 MPa. The reaction was stopped after 311 hours when the initial ratio reached 81%. The results are shown in Table 1 and the graphs of FIGS.
- Example 1 when an acidic zeolite having a silica / alumina ratio of 80 or more was used as the solid acid catalyst (Examples 1 and 2), an acidic zeolite having a silica / alumina ratio of 80 or less was used. It can be seen that the time-dependent decrease in the concentration of CPME in the reaction solution obtained is smaller than in the case (Comparative Examples 1 to 3).
- Example 1 the target product was obtained at a rate of 80% at the start of the reaction even after 525 hours had elapsed, and the target product was obtained at 42% by mass (wt%) even after 621 hours had elapsed.
- Example 2 the target product was obtained at a rate substantially equal to that at the start of the reaction even after 575 hours had elapsed, and the target product was obtained at a rate of 80% at the start of the reaction even after 800 hours had elapsed. .
- Comparative Example 1 the target product was obtained at the same rate as in the Example at the start of the reaction, but after 119 hours, the concentration of the target product decreased to 38% of the initial concentration. Yes. Also in Comparative Example 2, after 209 hours, the concentration of the target decreased to 80% of the initial concentration. In Comparative Example 3, the initial concentration is as low as 38 wt%, and after 311 hours, the concentration of the target object has decreased to 81% of the initial concentration.
- the decrease in the activity of the catalyst used is small (the catalyst life is long) as compared with the case of the comparative example, so that the target product can be stably obtained over a long period of time. Recognize.
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Abstract
Description
例えば、特許文献1には、触媒として、含水量が5重量%以下の酸性イオン交換樹脂を用いる、シクロペンチルメチルエーテルの製造方法が開示されている。
しかしながら、この方法は、酸性イオン交換樹脂の劣化を抑えるために、気相で反応させる必要があり、反応収率が低いという問題があった。
しかしながら、特許文献2~4には、実際にシクロペンチルメチルエーテルを製造した旨の記載はない。また、特許文献4には、シクロヘキセンとメタノールの反応に、固体酸触媒として、ハイシリカゼオライト(H-ZSM-5)を使用した場合、得られるメチルシクロヘキシルエーテルの収率はわずか3.7%であったと記載されている。
しかし、その後の研究により、この方法には、触媒活性が経時的に低下していくため、長期間の連続生産が困難であるという問題があることが分かった。
そこで、本発明者らはさらに検討を進めた結果、シリカ/アルミナ比が80以上の酸性ゼオライトの存在下に、シクロペンテン類とアルコール化合物とを反応させると、原料供給量を大きくした場合でも、高い反応効率で、長期間安定して目的とするシクロペンチルアルキルエーテル化合物を連続的に製造できることを見出し、本発明を完成するに至った。
〔1〕シリカ/アルミナ比が80以上の酸性ゼオライトの存在下に、置換基を有していてもよいシクロペンテンと、式(2):R1OH(式中、R1は置換基を有していてもよい炭素数1~10のアルキル基、又は置換基を有していてもよい炭素数3~8のシクロアルキル基を表す。)で表されるアルコール化合物を反応させることを特徴とする、式(1):R1-O-R2(式中、R1は前記と同じ意味を表し、R2は、置換基を有していてもよいシクロペンチル基を表す。)で表されるシクロペンチルアルキルエーテル化合物の製造方法。
〔2〕前記式(1)で表されるシクロペンチルアルキルエーテル化合物が、前記式(1)中、R1が炭素数1~10のアルキル基の化合物である、〔1〕に記載のシクロペンチルアルキルエーテル化合物の製造方法。
〔3〕前記酸性ゼオライトが、H-ZSM-5型ゼオライトである、〔1〕又は〔2〕に記載のシクロペンチルアルキルエーテル化合物の製造方法。
〔4〕前記置換基を有していてもよいシクロペンテンと式(2)で表されるアルコール化合物との反応を、流通式で行う、〔1〕~〔3〕のいずれかに記載のシクロペンチルアルキルエーテル化合物の製造方法。
〔5〕前記酸性ゼオライトとして、シリカ/アルミナ比が80以上の酸性ゼオライトの成形物を用いる、〔1〕~〔4〕のいずれかに記載のシクロペンチルアルキルエーテル化合物の製造方法。
本発明は、シリカ/アルミナ比が80以上の酸性ゼオライトの存在下に、置換基を有していてもよいシクロペンテン(以下、「シクロペンテン類」ということがある。)と、式(2):R1OHで表されるアルコール化合物(以下、「アルコール化合物(2)」ということがある。)を反応させる、式(1):R1-O-R2で表されるシクロペンチルアルキルエーテル化合物の製造方法である。本明細書において、「置換基を有していてもよい」とは、「無置換又は置換基を有する」という意味である。
本発明に用いる、置換基を有していてもよいシクロペンテンの置換基としては、反応条件下において不活性な基であれば、特に限定されない。例えば、メチル基、エチル基、n-プロピル基、イソプロピル基、n-ブチル基、t-ブチル基等の炭素数1~4のアルキル基;メトキシ基、エトキシ基、n-プロポキシ基、イソプロポキシ基、n-ブトキシ基、t-ブトキシ基等の炭素数1~4のアルコキシ基;メチルチオ基、エチルチオ基、n-プロピルチオ基、t-ブチルチオ基等の炭素数1~4のアルキルチオ基;フッ素原子、塩素原子、臭素原子等のハロゲン原子;フェニル基、4-メチルフェニル基等の置換基を有していてもよいアリール基;等が挙げられる。
これらの中でも、入手容易性等の観点から、シクロペンテンが特に好ましい。
本発明に用いるアルコール化合物(2)は、式(2):R1OHで表される化合物である。式(2)中、R1は、置換基を有していてもよい炭素数1~10のアルキル基、又は置換基を有していてもよい炭素数3~8のシクロアルキル基を表す。
メトキシメチルアルコール、1-メトキシエチルアルコール、2-メトキシエチルアルコール、2-エトキシ-tert-ブチルアルコール、2-エトキシ-n-ヘキシルアルコール等のアルコキシアルキルアルコール;メチルチオメチルアルコール、1-メチルチオエチルアルコール、2-メチルチオ-tert-ブチルアルコール、3-メチルチオ-n-ブチルアルコール、4-メチルチオ-n-ヘキシルアルコール等のアルキルチオアルキルアルコール;クロロメチルアルコール、ブロモメチルアルコール、1-クロロエチルアルコール、2-クロロ-n-プロピルアルコール、2-ブロモ-tert-ブチルアルコール、2-ブロモ-n-ブチルアルコール、2-クロロ-n-ヘキシルアルコール等のハロゲン化アルキルアルコール;等の、前記式(2)において、R1が置換基を有する炭素数1~10のアルキル基であるアルコール化合物;
シクロプロピルアルコール、シクロブチルアルコール、シクロペンチルアルコール、シクロヘキシルアルコール、シクロヘプチルアルコール、シクロオクチルアルコール等の、前記式(2)において、R1が炭素数3~8のシクロアルキル基であるアルコール化合物;
2-クロロシクロペンチルアルコール、4-メトキシシクロヘキシルアルコール、3-メチルチオシクロヘプチルアルコール等の、前記式(2)において、R1が置換基を有する炭素数3~8のシクロアルキル基であるアルコール化合物;等が挙げられる。
本発明においては、反応触媒(固体酸触媒)として、シリカ/アルミナ比が80以上の酸性ゼオライト(以下、単に「酸性ゼオライト」ということがある。)を用いる。
シリカ/アルミナ比は、良好な触媒活性が得られる観点から、80~300であるのが好ましく、80~180であるのがより好ましい。
このような酸性ゼオライトは、触媒活性の経時的な低下が少なく、触媒寿命が長いため、高い反応効率で、長期間安定して、工業的に有利に目的物を得ることができる。
本発明で用いる酸性ゼオライトとしては、ベータ型、フォージャサイト型、モルデナイト型、L型、Y型、オメガ型、ZSM-5型、フェリエライト型等のゼオライトを、下記方法等により、H型ゼオライトとしたものが好ましく、ZSM-5型のゼオライトをH型としたもの(H-ZSM-5型)であるのがより好ましい。
また、H型の酸性ゼオライトとして市販されているものをそのまま使用することもできる。
ゼオライト-バインダ成形体を用いる場合には、成形物の形状や大きさ、メソおよびマクロ細孔容積とその分布などの形態的特性をある程度制御して、圧力損失を低減させると同時に、成形体内部における物質移動速度を向上させて、高い触媒利用効率を実現することができる。
バインダレスゼオライト成形体を用いる場合には、前記ゼオライト-バインダ成形体を用いる場合に得られる効果に加えて、ゼオライトのバインダ成分への埋没、希釈効果による効率の低下、無機バインダとの副反応という問題の発生を回避できるという効果も得られる。
なお、使用後の触媒は、従来公知の方法により活性化して、再利用が可能である。
本発明は、酸性ゼオライトの存在下に、シクロペンテン類と、アルコール化合物(2)とを接触させて反応を行うことにより、シクロペンチルアルキルエーテル化合物を製造する方法である。
これらの中でも、作業効率及び長期にわたり連続的に目的物を製造することができる観点から、流通式を採用するのが好ましい。
反応時間は、反応規模等にもよるが、通常0.5~24時間、好ましくは1~10時間である。
反応は、窒素等の不活性雰囲気下で行うのが好ましい。
この方法によれば、触媒活性の経時的な低下が少ないため、頻繁に触媒を交換したり、活性化を施したりすることなく、長期間にわたって安定して連続的に反応を行うことができる。
なお、反応カラム4は、一つでもよいが、複数の反応カラムを組み合わせれば、シクロペンテン類〔又はアルコール化合物(2)〕の転化率をさらに向上させることができる。
反応温度(反応カラム内の温度)は、通常50~200℃、好ましくは80~180℃である。
また、複数の反応カラムを使用する場合には、反応温度、流通速度等を反応カラムごとに変化させることができる。
溶媒の使用量は特に制限されず、反応を阻害しない範囲で任意の量を選択できる。溶媒を使用する場合の溶媒の使用量は、通常、全反応液量の10~90容量%、好ましくは20~80容量%である。
また、酸性ゼオライトを充填した反応カラム中に混合液を流通させた後、得られた反応液を、再度反応カラム中を通過させ、その後、例えばラシヒリングを充填した蒸留装置により連続的に蒸留することもできる。この方法によれば、未反応のシクロペンテン類及びアルコール化合物(2)を、反応カラムに戻し、再度反応に供することができ、より高い転化率で目的物を得ることができる。
1-メチルシクロペンチルメチルエーテル、3-メチルシクロペンチルメチルエーテル、3-エチルシクロペンチルメチルエーテル、1,3-ジメチルシクロペンチルメチルエーテル、3-メトキシシクロペンチルエチルエーテル、3-メチルチオシクロペンチルエチルエーテル、1-フルオロシクロペンチルメチルエーテル、2-クロロシクロペンチルn-ペンチルエーテル、3-ブロモシクロペンチルn-ヘキシルエーテル、3-クロロシクロペンチル2-メトキシエチルエーテル、1-フェニルシクロペンチルメチルエーテル;等が挙げられる。
・機器 :Shimadzu社製、GC-2010
・カラム:DB-WAX(長さ30m、内径0.25mm、膜厚0.25μm)
・カラム温度:40℃で10分保持後、毎分10℃で昇温して230℃とし、同温度で1分保持
・注入口温度:200℃
・キャリアーガス:窒素(毎分流量0.7ml)
・検出器: FID
・検出器温度:250℃
図1に示す反応装置を使用して、以下の実験を行った。
反応カラム4に、シリカ/アルミナ比が80の触媒を、バルク体積にして100ml詰めた。シクロペンテンとメタノールの混合物(重量比68:32(モル比1:1))を原料タンク1に充填した。
原料タンク1を窒素で0.2MPaに加圧して原料混合液を送液し、送液ポンプ2、予熱器3、反応カラム4、及び冷却管5の内部のガスを原料混合液で置換した後、背圧弁7の設定圧力を上げて液の流れを一旦止めた。
送液ポンプ2を5ml/分の流量で稼働させ、圧力計6の指示値が2.8MPaとなるよう背圧弁7を調整した。その後予熱器3と反応カラム4を145℃に加熱し、反応カラム4から流出する反応液を冷却管5で0℃に冷却して反応液タンク8に回収した。
予熱器3及び反応カラム4の温度が所定の145℃に達した時点を反応開始時とし、背圧弁7の出口の液をサンプリングして、生成した目的物のシクロペンチルメチルエーテル(CPME)の、反応液中の濃度(初期の濃度)をガスクロマトグラフで測定した。さらに、適宜、経過時間ごとのCPMEの濃度を測定し、初期の濃度との比(初期比)を算出した。初期比が75%となった621時間経過後に反応を停止させた。
図2のグラフにおいて、縦軸はCPMEの濃度(重量%)を示し、横軸は経過時間(時間)を示す。図3のグラフにおいて、縦軸は、初期の濃度に対する、CPMEの濃度の割合(%)を示し、横軸は経過時間(時間)を示す。
実施例1において、固体酸触媒を、シリカ/アルミナ比が80のものからシリカ/アルミナ比が180のものに変更した以外は、実施例1と同様にして反応を行った。初期比が80%となった816.5時間経過後に反応を停止させた。結果を下記表1及び図2、3のグラフに示す。
実施例1において、固体酸触媒を、シリカ/アルミナ比が80のものからシリカ/アルミナ比が30のものに変更した以外は、実施例1と同様にして反応を行った。初期比が38%となった119時間経過後に反応を停止させた。結果を下記表1及び図2、3のグラフに示す。
実施例1において、固体酸触媒を、シリカ/アルミナ比が80のものからシリカ/アルミナ比が50のものに変更した以外は、実施例1と同様にして反応を行った。初期比が80%となった209時間経過後に反応を停止させた。結果を表1及び図2、3のグラフに示す。
実施例1において、固体酸触媒を、シリカ/アルミナ比が80のものからシリカ/アルミナ比が30のものに変更し、シクロペンテンとメタノールの混合物の重量比を、68:32(モル比1:1))から41:59(モル比1:3)に変更し、予熱器3及び反応管4の設定温度を145℃から150℃に変更し、圧力計6の指示値が2.8MPaから2.5MPaとなるようにした以外は、実施例1と同様にして反応を行った。初期比が81%となった311時間経過後に反応を停止させた。結果を表1及び図2、3のグラフに示す。
実施例1では、525時間経過後においても、反応開始時の80%の割合で目的物が得られ、621時間経過後においても、42質量%(wt%)で目的物が得られている。
実施例2では、575時間経過後においても、反応開始時とほぼ同等の割合で目的物が得られ、800時間経過後においても、反応開始時の80%の割合で目的物が得られている。
一方、比較例1では、反応開始時は、実施例と同等の割合で目的物が得られているが、119時間経過後には、目的物の濃度は、初期の濃度の38%に低下している。
比較例2でも、209時間後には、目的物の濃度は、初期の濃度の80%に低下している。
比較例3では、初期の濃度が38wt%と低い上、311時間経過後には、目的物の濃度は、初期の濃度の81%に低下している。
これらのことから、実施例の場合には、比較例の場合に比して、用いる触媒の活性低下が少ない(触媒寿命が長い)ため、長期に渡り、目的物を安定して得られることがわかる。
2・・・送液ポンプ
3・・・予熱器
4・・・反応カラム
5・・・冷却管
6・・・圧力計
7・・・背圧弁
8・・・反応液タンク
Claims (5)
- シリカ/アルミナ比が80以上の酸性ゼオライトの存在下に、置換基を有していてもよいシクロペンテンと、式(2):R1OH(式中、R1は、置換基を有していてもよい炭素数1~10のアルキル基、又は置換基を有していてもよい炭素数3~8のシクロアルキル基を表す。)で表されるアルコール化合物とを反応させることを特徴とする、式(1):R1-O-R2(式中、R1は前記と同じ意味を表し、R2は置換基を有していてもよいシクロペンチル基を表す。)で表されるシクロペンチルアルキルエーテル化合物の製造方法。
- 前記式(1)で表されるシクロペンチルアルキルエーテル化合物が、前記式(1)中、R1が炭素数1~10のアルキル基の化合物である、請求項1に記載のシクロペンチルアルキルエーテル化合物の製造方法。
- 前記酸性ゼオライトが、H-ZSM-5型ゼオライトである、請求項1又は2に記載のシクロペンチルアルキルエーテル化合物の製造方法。
- 前記置換基を有していてもよいシクロペンテンと式(2)で表されるアルコール化合物との反応を、流通式で行う、請求項1~3のいずれかに記載のシクロペンチルアルキルエーテル化合物の製造方法。
- 前記酸性ゼオライトとして、シリカ/アルミナ比が80以上の酸性ゼオライトの成形物を用いる、請求項1~4のいずれかに記載のシクロペンチルアルキルエーテル化合物の製造方法。
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KR1020187019361A KR102705202B1 (ko) | 2015-12-28 | 2016-12-16 | 시클로펜틸알킬에테르 화합물의 제조 방법 |
ES16881647T ES2863233T3 (es) | 2015-12-28 | 2016-12-16 | Procedimiento de producción de un compuesto de ciclopentil alquil éter |
US16/064,099 US20180354880A1 (en) | 2015-12-28 | 2016-12-16 | Method for producing cyclopentyl alkyl ether compound |
EP16881647.8A EP3398928B1 (en) | 2015-12-28 | 2016-12-16 | Method for producing cyclopentyl alkyl ether compound |
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EP3398928A4 (en) | 2019-08-07 |
ES2863233T3 (es) | 2021-10-11 |
JP6791169B2 (ja) | 2020-11-25 |
TWI777818B (zh) | 2022-09-11 |
TW202204301A (zh) | 2022-02-01 |
TWI740870B (zh) | 2021-10-01 |
KR20180098286A (ko) | 2018-09-03 |
EP3398928A1 (en) | 2018-11-07 |
KR102705202B1 (ko) | 2024-09-09 |
EP3398928B1 (en) | 2021-01-20 |
JPWO2017115671A1 (ja) | 2018-10-18 |
US20180354880A1 (en) | 2018-12-13 |
CN108368016B (zh) | 2023-09-26 |
TW201736330A (zh) | 2017-10-16 |
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