CN1211389C - 制备酚鏻的方法 - Google Patents
制备酚鏻的方法 Download PDFInfo
- Publication number
- CN1211389C CN1211389C CNB00817427XA CN00817427A CN1211389C CN 1211389 C CN1211389 C CN 1211389C CN B00817427X A CNB00817427X A CN B00817427XA CN 00817427 A CN00817427 A CN 00817427A CN 1211389 C CN1211389 C CN 1211389C
- Authority
- CN
- China
- Prior art keywords
- alcohol
- phenol
- phosphonium
- water
- fen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- LVLZXBIWQHFREA-UHFFFAOYSA-N phenol;phosphane Chemical class [PH4+].[O-]C1=CC=CC=C1 LVLZXBIWQHFREA-UHFFFAOYSA-N 0.000 title abstract 2
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 21
- -1 phosphonium halide Chemical class 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 239000012074 organic phase Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000012071 phase Substances 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 2
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 19
- 229920000515 polycarbonate Polymers 0.000 description 10
- 239000004417 polycarbonate Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- BDERNNFJNOPAEC-UHFFFAOYSA-N n-propyl alcohol Natural products CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 6
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 6
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 229930185605 Bisphenol Natural products 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 239000006085 branching agent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- MNAHQWDCXOHBHK-UHFFFAOYSA-N 1-phenylpropane-1,1-diol Chemical compound CCC(O)(O)C1=CC=CC=C1 MNAHQWDCXOHBHK-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- QCRFMSUKWRQZEM-UHFFFAOYSA-N cycloheptanol Chemical compound OC1CCCCCC1 QCRFMSUKWRQZEM-UHFFFAOYSA-N 0.000 description 2
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 2
- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- KPSSIOMAKSHJJG-UHFFFAOYSA-N neopentyl alcohol Chemical compound CC(C)(C)CO KPSSIOMAKSHJJG-UHFFFAOYSA-N 0.000 description 2
- ZWRUINPWMLAQRD-UHFFFAOYSA-N nonan-1-ol Chemical compound CCCCCCCCCO ZWRUINPWMLAQRD-UHFFFAOYSA-N 0.000 description 2
- JYVLIDXNZAXMDK-UHFFFAOYSA-N pentan-2-ol Chemical compound CCCC(C)O JYVLIDXNZAXMDK-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
- QSSXJPIWXQTSIX-UHFFFAOYSA-N 1-bromo-2-methylbenzene Chemical compound CC1=CC=CC=C1Br QSSXJPIWXQTSIX-UHFFFAOYSA-N 0.000 description 1
- MTUCYAOJXPTLHZ-UHFFFAOYSA-N 1-cyclohexylbutan-1-ol Chemical class CCCC(O)C1CCCCC1 MTUCYAOJXPTLHZ-UHFFFAOYSA-N 0.000 description 1
- CAKWRXVKWGUISE-UHFFFAOYSA-N 1-methylcyclopentan-1-ol Chemical compound CC1(O)CCCC1 CAKWRXVKWGUISE-UHFFFAOYSA-N 0.000 description 1
- QJQZRLXDLORINA-UHFFFAOYSA-N 2-cyclohexylethanol Chemical compound OCCC1CCCCC1 QJQZRLXDLORINA-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- CLYAQFSQLQTVNO-UHFFFAOYSA-N 3-cyclohexylpropan-1-ol Chemical compound OCCCC1CCCCC1 CLYAQFSQLQTVNO-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000003547 Friedel-Crafts alkylation reaction Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- MIHINWMALJZIBX-UHFFFAOYSA-N cyclohexa-2,4-dien-1-ol Chemical compound OC1CC=CC=C1 MIHINWMALJZIBX-UHFFFAOYSA-N 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- SZMNDOUFZGODBR-UHFFFAOYSA-N decan-5-ol Chemical compound CCCCCC(O)CCCC SZMNDOUFZGODBR-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- CETWDUZRCINIHU-UHFFFAOYSA-N methyl-n-amyl-carbinol Natural products CCCCCC(C)O CETWDUZRCINIHU-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/64—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
- C07C37/66—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring by conversion of hydroxy groups to O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/54—Quaternary phosphonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
比较实施例1 | 实施例1 | |
Na[ppm] | 0.7 | <0.5 |
Br[ppm] | 0.7 | 0.01 |
颜色 | 浅灰色 | 无色 |
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961520A DE19961520A1 (de) | 1999-12-20 | 1999-12-20 | Verfahren zur Herstellung von Phosphoniumphenolaten |
DE19961520.9 | 1999-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1411428A CN1411428A (zh) | 2003-04-16 |
CN1211389C true CN1211389C (zh) | 2005-07-20 |
Family
ID=7933456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB00817427XA Expired - Fee Related CN1211389C (zh) | 1999-12-20 | 2000-12-07 | 制备酚鏻的方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6710153B2 (zh) |
EP (1) | EP1242347B1 (zh) |
JP (1) | JP4856340B2 (zh) |
KR (1) | KR20020062354A (zh) |
CN (1) | CN1211389C (zh) |
AT (1) | ATE279385T1 (zh) |
AU (1) | AU2005901A (zh) |
BR (1) | BR0016559A (zh) |
DE (2) | DE19961520A1 (zh) |
ES (1) | ES2231294T3 (zh) |
TW (1) | TWI233439B (zh) |
WO (1) | WO2001046100A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10164144A1 (de) | 2001-12-27 | 2003-07-10 | Bayer Ag | Verfahren zur Herstellung von Quartärsalzphenolatlösungen und zur Regenerierung und Rückführung von Quartärsalzphenolatlösungen aus Reaktionsgemischen |
DE10215498A1 (de) * | 2002-04-09 | 2003-10-23 | Bayer Ag | Lagerung von Phosphoniumphenolat-Katalysatoren und deren Verwendung als Umesterungskatalysatoren |
DE10219027A1 (de) * | 2002-04-29 | 2003-11-06 | Bayer Ag | Verfahren zur Herstellung einer flüssigen Formulierung von Phosphoniumphenolaten |
US10413349B2 (en) * | 2011-03-04 | 2019-09-17 | Covidien Lp | System and methods for identifying tissue and vessels |
JP6666193B2 (ja) * | 2015-04-22 | 2020-03-13 | 国立大学法人名古屋大学 | エステル交換反応用触媒及びそれを用いたエステル化合物の製造方法 |
CN113307827A (zh) * | 2021-06-04 | 2021-08-27 | 山东师范大学实验厂 | 一种四苯基膦苯酚盐的水相合成方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02246140A (ja) * | 1989-03-17 | 1990-10-01 | Nitto Denko Corp | 半導体装置 |
JPH0340459A (ja) * | 1989-07-07 | 1991-02-21 | Nitto Denko Corp | 半導体装置 |
JP3117296B2 (ja) * | 1992-09-17 | 2000-12-11 | 三井化学株式会社 | フェノール類の選択的パラ位カルボキシル化方法 |
EP0826693A1 (de) * | 1996-09-03 | 1998-03-04 | Bayer Ag | Verfahren zur Herstellung von Phosponiumphenolaten |
DE19727351C1 (de) | 1997-06-27 | 1999-02-11 | Bayer Ag | Verfahren zur Herstellung von Phosphoniumphenolaten |
-
1999
- 1999-12-20 DE DE19961520A patent/DE19961520A1/de not_active Withdrawn
-
2000
- 2000-12-07 BR BR0016559-0A patent/BR0016559A/pt not_active Application Discontinuation
- 2000-12-07 AU AU20059/01A patent/AU2005901A/en not_active Abandoned
- 2000-12-07 EP EP00983239A patent/EP1242347B1/de not_active Expired - Lifetime
- 2000-12-07 ES ES00983239T patent/ES2231294T3/es not_active Expired - Lifetime
- 2000-12-07 JP JP2001546614A patent/JP4856340B2/ja not_active Expired - Fee Related
- 2000-12-07 AT AT00983239T patent/ATE279385T1/de not_active IP Right Cessation
- 2000-12-07 KR KR1020027007869A patent/KR20020062354A/ko not_active Application Discontinuation
- 2000-12-07 DE DE2000508270 patent/DE50008270D1/de not_active Expired - Lifetime
- 2000-12-07 CN CNB00817427XA patent/CN1211389C/zh not_active Expired - Fee Related
- 2000-12-07 US US10/168,166 patent/US6710153B2/en not_active Expired - Fee Related
- 2000-12-07 WO PCT/EP2000/012325 patent/WO2001046100A1/de active IP Right Grant
- 2000-12-08 TW TW089126136A patent/TWI233439B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20020062354A (ko) | 2002-07-25 |
US20030013837A1 (en) | 2003-01-16 |
US6710153B2 (en) | 2004-03-23 |
AU2005901A (en) | 2001-07-03 |
ES2231294T3 (es) | 2005-05-16 |
EP1242347A1 (de) | 2002-09-25 |
JP4856340B2 (ja) | 2012-01-18 |
ATE279385T1 (de) | 2004-10-15 |
BR0016559A (pt) | 2002-09-10 |
DE50008270D1 (de) | 2004-11-18 |
DE19961520A1 (de) | 2001-06-21 |
EP1242347B1 (de) | 2004-10-13 |
JP2003518046A (ja) | 2003-06-03 |
WO2001046100A1 (de) | 2001-06-28 |
TWI233439B (en) | 2005-06-01 |
CN1411428A (zh) | 2003-04-16 |
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Owner name: CARCOUSTICS TECHCONSULT GMBH Free format text: FORMER OWNER: BAYER AKTIENGESELLSCHAFT Effective date: 20120802 |
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TR01 | Transfer of patent right |
Effective date of registration: 20120802 Address after: Germany Leverkusen Patentee after: Carcoustics Techconsult GmbH Address before: Germany Leverkusen Patentee before: Bayer Aktiengesellschaft |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20030416 Assignee: Bayer Material Science (China) Co., Ltd. Assignor: Carcoustics Techconsult GmbH Contract record no.: 2012990000854 Denomination of invention: Method for producing phosphonium phenolates Granted publication date: 20050720 License type: Common License Record date: 20121128 |
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