SE8702822L - Hydroformylering med anvendning av lagflyktiga/organiskt losliga fosfinligander - Google Patents
Hydroformylering med anvendning av lagflyktiga/organiskt losliga fosfinliganderInfo
- Publication number
- SE8702822L SE8702822L SE8702822A SE8702822A SE8702822L SE 8702822 L SE8702822 L SE 8702822L SE 8702822 A SE8702822 A SE 8702822A SE 8702822 A SE8702822 A SE 8702822A SE 8702822 L SE8702822 L SE 8702822L
- Authority
- SE
- Sweden
- Prior art keywords
- volatile
- hydroformation
- lands
- low
- organically soluble
- Prior art date
Links
- 150000001299 aldehydes Chemical class 0.000 abstract 1
- 238000007037 hydroformylation reaction Methods 0.000 abstract 1
- 239000003446 ligand Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B41/00—Formation or introduction of functional groups containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
-
- 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
- C07F9/50—Organo-phosphines
- C07F9/5004—Acyclic saturated phosphines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/884,197 US4716250A (en) | 1986-07-10 | 1986-07-10 | Hydroformylation using low volatile/organic soluble phosphine ligands |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8702822D0 SE8702822D0 (sv) | 1987-07-09 |
SE8702822L true SE8702822L (sv) | 1988-01-11 |
Family
ID=25384155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8702822A SE8702822L (sv) | 1986-07-10 | 1987-07-09 | Hydroformylering med anvendning av lagflyktiga/organiskt losliga fosfinligander |
Country Status (29)
Country | Link |
---|---|
US (1) | US4716250A (sv) |
EP (1) | EP0254937B1 (sv) |
JP (1) | JPS6388150A (sv) |
KR (1) | KR910008369B1 (sv) |
CN (1) | CN1020720C (sv) |
AR (1) | AR243490A1 (sv) |
AT (1) | ATE74120T1 (sv) |
AU (1) | AU605773B2 (sv) |
BE (1) | BE1001190A5 (sv) |
BR (1) | BR8703510A (sv) |
CA (1) | CA1307006C (sv) |
CS (1) | CS271475B2 (sv) |
DE (2) | DE3722928A1 (sv) |
DK (1) | DK359987A (sv) |
ES (1) | ES2007367A6 (sv) |
FI (1) | FI89351C (sv) |
FR (1) | FR2603579B1 (sv) |
GB (1) | GB2193494B (sv) |
HU (1) | HU202468B (sv) |
IN (1) | IN169702B (sv) |
IT (1) | IT1221979B (sv) |
MX (1) | MX166891B (sv) |
NL (1) | NL8701626A (sv) |
NO (1) | NO165877C (sv) |
PL (1) | PL151795B1 (sv) |
SE (1) | SE8702822L (sv) |
SU (1) | SU1715202A3 (sv) |
YU (1) | YU46424B (sv) |
ZA (1) | ZA875058B (sv) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4731486A (en) * | 1986-11-18 | 1988-03-15 | Union Carbide Corporation | Hydroformylation using low volatile phosphine ligands |
US5180854A (en) * | 1988-07-14 | 1993-01-19 | Union Carbide Chemicals & Plastics Technology Corporation | Process for catalyst aldehyde product separation |
US5059710A (en) * | 1988-08-05 | 1991-10-22 | Union Carbide Chemicals And Plastics Technology Corporation | Ionic phosphites and their use in homogeneous transition metal catalyzed processes |
US5113022A (en) * | 1988-08-05 | 1992-05-12 | Union Carbide Chemicals & Plastics Technology Corporation | Ionic phosphites used in homogeneous transition metal catalyzed processes |
US4861918A (en) * | 1988-08-12 | 1989-08-29 | Union Carbide Corporation | Reactivation of hydroformylation catalysts |
US4929767A (en) * | 1988-08-12 | 1990-05-29 | Union Carbide Chemicals And Plastics Company Inc. | Treatment of rhodium catalysts |
US4935550A (en) * | 1988-08-12 | 1990-06-19 | Union Carbide Chemicals And Plastics Company Inc. | Catalytic metal recovery from non-polar organic solutions |
DE3942954A1 (de) * | 1989-12-23 | 1991-06-27 | Hoechst Ag | Verfahren zur herstellung von aldehyden |
EP0545997B1 (en) * | 1990-08-31 | 1995-11-02 | The Governors Of The University Of Alberta | Carbonylation of methanol using a novel transition metal catalyst precursor |
US5087763A (en) * | 1990-11-09 | 1992-02-11 | Union Carbide Chemicals & Plastics Technology Corporation | Hydroformylation process |
US5288818A (en) * | 1991-08-20 | 1994-02-22 | Exxon Chemical Patents Inc. | Method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction |
US5215667A (en) * | 1991-08-20 | 1993-06-01 | Exxon Chemical Patents Inc. | Method for separating water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction |
CN1036388C (zh) * | 1992-12-29 | 1997-11-12 | 中国石化兰州炼油化工总厂 | 烯烃氢甲酰化合成醛的方法 |
DE19619528A1 (de) * | 1996-05-15 | 1997-11-20 | Hoechst Ag | Substituierte Diphosphine und ein Verfahren zu ihrer Herstellung |
EP0823282B1 (de) * | 1996-05-15 | 2001-11-14 | Celanese Chemicals Europe GmbH | Verfahren zur Herstellung von Aldehyden |
DE19756945C2 (de) * | 1997-12-22 | 2000-08-03 | Celanese Chem Europe Gmbh | Nichtwäßrige ionogene Ligandflüssigkeiten, Verfahren zu ihrer Herstellung und ihre Verwendung als Katalysatorbestandteil |
ID21537A (id) * | 1997-12-22 | 1999-06-24 | Celanese Gmbh | Proses pembuatan aldehid |
JP3921853B2 (ja) * | 1998-12-10 | 2007-05-30 | 三菱化学株式会社 | アルデヒド類及びアルコール類の製造方法 |
FR2813305B1 (fr) * | 2000-08-23 | 2004-02-13 | Inst Francais Du Petrole | Procede ameliore d'hydroformylation mettant en oeuvre un catalyseur a base de cobalt et/ou de rhodium dans un solvant ionique non aqueux |
SG93931A1 (en) * | 2001-04-13 | 2003-01-21 | Kuraray Co | Phosphonium salts and processes for production of and uses for the same, and phosphines deriving the same and processes for production of the phosphines |
WO2005042458A2 (de) * | 2003-10-21 | 2005-05-12 | Basf Aktiengesellschaft | Verfahren zur kontinuierlichen herstellung von aldehyden |
CN102826974B (zh) * | 2011-06-17 | 2015-11-25 | 中国石油化工股份有限公司 | 一种丙烯氢甲酰化反应制备丁醛的方法 |
KR101987513B1 (ko) * | 2011-09-30 | 2019-06-10 | 다우 테크놀로지 인베스트먼츠 엘엘씨. | 정제 방법 |
CN104045532B (zh) | 2013-03-15 | 2018-05-25 | 陶氏技术投资有限责任公司 | 加氢甲酰化方法 |
WO2014157404A1 (ja) * | 2013-03-27 | 2014-10-02 | 株式会社クラレ | ビス(6-メチル-3-スルホフェニル)フェニルホスフィンおよびそのアンモニウム塩並びにそれらの製造方法 |
CN105051052B (zh) * | 2013-03-27 | 2018-01-26 | 株式会社可乐丽 | 双(6‑甲基‑3‑磺苯基)(2‑甲基苯基)膦及其铵盐、以及它们的制造方法 |
CN105050993B (zh) | 2013-03-27 | 2017-11-28 | 株式会社可乐丽 | 2,7-辛二烯-1-醇的制造方法 |
CN104248860A (zh) | 2013-06-27 | 2014-12-31 | 陶氏技术投资有限责任公司 | 热管理方法 |
WO2015065610A1 (en) | 2013-10-28 | 2015-05-07 | Rohm And Haas Company | Process for separating methacrolein |
KR102567215B1 (ko) | 2017-05-25 | 2023-08-16 | 롬 앤드 하아스 컴패니 | 메타크롤레인을 제조하는 방법 |
US10836699B2 (en) | 2017-05-25 | 2020-11-17 | Rohm And Haas Company | Process for preparing methacrolein |
US11512035B2 (en) * | 2018-09-17 | 2022-11-29 | Exxonmobil Chemical Patents Inc. | Transfer hydroformylation for the production of oxygenates |
CN118076575A (zh) | 2021-10-08 | 2024-05-24 | 罗门哈斯公司 | 用于产生甲基丙烯酸甲酯的方法 |
CA3233792A1 (en) | 2021-10-08 | 2023-04-13 | Kirk W. Limbach | Process for methyl methacrylate production |
KR20240089247A (ko) | 2021-10-08 | 2024-06-20 | 다우 글로벌 테크놀로지스 엘엘씨 | 메타크릴산의 생산 방법 |
KR20240089248A (ko) | 2021-10-08 | 2024-06-20 | 롬 앤드 하스 캄파니 | 알킬 메타크릴레이트의 생산 방법 |
WO2023059674A1 (en) | 2021-10-08 | 2023-04-13 | Dow Global Technologies Llc | Process for low byproduct formation from an oxidative esterification reactor with base addition |
WO2023059679A1 (en) | 2021-10-08 | 2023-04-13 | Rohm And Haas Company | Process for methyl methacrylate production from ethanol |
WO2023059673A1 (en) | 2021-10-08 | 2023-04-13 | Rohm And Haas Company | Process for an oxidative esterification reactor |
CN118076578A (zh) | 2021-10-08 | 2024-05-24 | 罗门哈斯公司 | 用于由氧化酯化反应器以副产物较低的方式形成甲基丙烯酸甲酯的方法 |
WO2024123528A1 (en) | 2022-12-08 | 2024-06-13 | Dow Global Technologies Llc | Process for preparing alkyl methacrylates |
WO2024123530A1 (en) | 2022-12-08 | 2024-06-13 | Rohm And Haas Company | Process for concurrent methyl methacrylate and methacrylic acid production |
GB202404300D0 (en) | 2024-03-26 | 2024-05-08 | Johnson Matthey Davy Technologies Ltd | Process for the production of 2-alkylalkanol |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US31812A (en) * | 1861-03-26 | Stump-extractor | ||
US3527809A (en) * | 1967-08-03 | 1970-09-08 | Union Carbide Corp | Hydroformylation process |
BE758502A (fr) * | 1969-11-06 | 1971-05-05 | Basf Ag | Preparation d'alcools et d'aldehydes |
NL7106084A (sv) * | 1970-05-06 | 1971-11-09 | ||
US3928232A (en) * | 1972-10-24 | 1975-12-23 | Chevron Res | Aryl sulfonate stabilized cobalt carbonyl complex compounds |
US4148830A (en) * | 1975-03-07 | 1979-04-10 | Union Carbide Corporation | Hydroformylation of olefins |
US4248802A (en) * | 1975-06-20 | 1981-02-03 | Rhone-Poulenc Industries | Catalytic hydroformylation of olefins |
US4247486A (en) * | 1977-03-11 | 1981-01-27 | Union Carbide Corporation | Cyclic hydroformylation process |
JPS55164640A (en) * | 1979-06-12 | 1980-12-22 | Agency Of Ind Science & Technol | Preparation of aldehyde |
US4283562A (en) * | 1979-10-26 | 1981-08-11 | Union Carbide Corporation | Hydroformylation process using stable rhodium catalyst |
GB2085874B (en) * | 1980-09-04 | 1984-08-08 | Johnson Matthey Plc | Hydroformylation of olefins |
US4400548A (en) * | 1981-08-17 | 1983-08-23 | Union Carbide Corporation | Hydroformylation process using bisphosphine monooxide ligands |
JPS58157739A (ja) * | 1982-03-12 | 1983-09-19 | Kuraray Co Ltd | 1,9−ノナンジア−ルの製造方法 |
FR2532318B1 (fr) * | 1982-08-31 | 1985-06-14 | Rhone Poulenc Chim Base | Procede de preparation de triarylphosphines sulfonees |
DE3234701A1 (de) * | 1982-09-18 | 1984-04-05 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
DE3235029A1 (de) * | 1982-09-22 | 1984-03-22 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur rueckgewinnung von wasserloeslichen, rhodium enthaltenden hydroformylierungskatalysatoren |
DE3235030A1 (de) * | 1982-09-22 | 1984-03-22 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von sulfonierten arylphosphinen |
CA1231346A (en) * | 1982-09-30 | 1988-01-12 | Eit Drent | Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst |
FR2550202B1 (fr) * | 1983-08-03 | 1986-03-21 | Rhone Poulenc Rech | Procede de preparation de tri(m-sulfophenyl) phosphine |
DE3341035A1 (de) * | 1983-11-12 | 1985-05-23 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
DE3347406A1 (de) * | 1983-12-29 | 1985-07-11 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur abtrennung und wiedergewinnung von rhodium aus den produkten der oxosynthese |
DE3411034A1 (de) * | 1984-03-26 | 1985-09-26 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur rueckgewinnung von rhodium aus reaktionsprodukten der oxosynthese |
DE3412335A1 (de) * | 1984-04-03 | 1985-10-10 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
FR2561650B1 (fr) * | 1984-03-26 | 1987-10-23 | Rhone Poulenc Rech | Perfectionnement au procede de preparation de tri(m-sulfophenyl)phosphine par hydrolyse et dilution controlees du sulfonat |
DE3413427A1 (de) * | 1984-04-10 | 1985-10-17 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
DE3415968A1 (de) * | 1984-04-28 | 1985-10-31 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
DE3420493A1 (de) * | 1984-06-01 | 1985-12-05 | Ruhrchemie Ag, 4200 Oberhausen | Quartaere ammoniumsalze sulfonierter triarylphosphine |
DE3420491A1 (de) * | 1984-06-01 | 1985-12-05 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur herstellung von aldehyden |
US4593127A (en) * | 1985-01-11 | 1986-06-03 | Union Carbide Corporation | Hydroformylation process |
US4578523A (en) * | 1985-05-29 | 1986-03-25 | Ruhrchemie Aktiengesellschaft | Process for the preparation of aldehydes |
DE3534314A1 (de) * | 1985-09-26 | 1987-04-02 | Ruhrchemie Ag | Verfahren zur herstellung von aldehyden |
CA1264521A (en) * | 1985-12-24 | 1990-01-23 | Minoru Kuriyama | Degassing apparatus for a metal mold |
-
1986
- 1986-07-10 US US06/884,197 patent/US4716250A/en not_active Expired - Lifetime
-
1987
- 1987-07-03 CA CA000541210A patent/CA1307006C/en not_active Expired - Lifetime
- 1987-07-08 IT IT21213/87A patent/IT1221979B/it active
- 1987-07-09 SE SE8702822A patent/SE8702822L/sv not_active Application Discontinuation
- 1987-07-09 FR FR878709755A patent/FR2603579B1/fr not_active Expired - Lifetime
- 1987-07-09 BR BR8703510A patent/BR8703510A/pt active Search and Examination
- 1987-07-09 MX MX007263A patent/MX166891B/es unknown
- 1987-07-09 GB GB8716161A patent/GB2193494B/en not_active Expired - Lifetime
- 1987-07-10 BE BE8700760A patent/BE1001190A5/fr not_active IP Right Cessation
- 1987-07-10 YU YU129787A patent/YU46424B/sh unknown
- 1987-07-10 ES ES8702037A patent/ES2007367A6/es not_active Expired
- 1987-07-10 IN IN490/MAS/87A patent/IN169702B/en unknown
- 1987-07-10 DK DK359987A patent/DK359987A/da not_active Application Discontinuation
- 1987-07-10 NL NL8701626A patent/NL8701626A/nl not_active Application Discontinuation
- 1987-07-10 HU HU873163A patent/HU202468B/hu not_active IP Right Cessation
- 1987-07-10 EP EP87110014A patent/EP0254937B1/en not_active Expired - Lifetime
- 1987-07-10 ZA ZA875058A patent/ZA875058B/xx unknown
- 1987-07-10 CS CS875276A patent/CS271475B2/cs unknown
- 1987-07-10 FI FI873054A patent/FI89351C/sv not_active IP Right Cessation
- 1987-07-10 PL PL1987266758A patent/PL151795B1/pl unknown
- 1987-07-10 AR AR87308111A patent/AR243490A1/es active
- 1987-07-10 CN CN87105466A patent/CN1020720C/zh not_active Expired - Fee Related
- 1987-07-10 DE DE19873722928 patent/DE3722928A1/de not_active Withdrawn
- 1987-07-10 JP JP62171368A patent/JPS6388150A/ja active Granted
- 1987-07-10 KR KR1019870007423A patent/KR910008369B1/ko not_active IP Right Cessation
- 1987-07-10 AT AT87110014T patent/ATE74120T1/de not_active IP Right Cessation
- 1987-07-10 AU AU75531/87A patent/AU605773B2/en not_active Ceased
- 1987-07-10 SU SU874202974A patent/SU1715202A3/ru active
- 1987-07-10 NO NO872887A patent/NO165877C/no unknown
- 1987-07-10 DE DE8787110014T patent/DE3777714D1/de not_active Expired - Lifetime
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