WO2005005448A1 - Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium(i) - Google Patents
Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium(i) Download PDFInfo
- Publication number
- WO2005005448A1 WO2005005448A1 PCT/EP2003/007292 EP0307292W WO2005005448A1 WO 2005005448 A1 WO2005005448 A1 WO 2005005448A1 EP 0307292 W EP0307292 W EP 0307292W WO 2005005448 A1 WO2005005448 A1 WO 2005005448A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- triphenylphosphine
- solution
- rhodium
- heated
- suspension
- 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.)
- Ceased
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Classifications
-
- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0073—Rhodium compounds
- C07F15/008—Rhodium compounds without a metal-carbon linkage
Definitions
- the invention relates to a process for the production of chlorotris (triphenylphosphine) rhodium (1).
- This compound has become known as the "Wilkinson catalyst” and is used in a large number of industrial processes, especially hydrogenations and hydroformylations.
- the best known method for its production comes from Sir Geoffrey Wilkinson himself and has found its way into the standard work "Inorganic Syntheses” [Inorg. Synth 10, 67 (1967) and the same name lnorg. Synth 28 ⁇ 77 (1990)].
- RhCl 3 hydrate is reacted with excess triphenylphosphine in ethanol and the compound is obtained in a yield of 88%, based on the rhodium used.
- the invention thus relates to a process for the production of chlorotris (triphenylphosphine) rhodium (l) by reacting RhCl 3 solution with triphenylphosphine in mixtures of a C 2 -C 5 alcohol with water, then cooling and filtering the crystalline precipitate obtained, the Mixture of reactants is treated in such a way that
- SSR / SJ / SJ / 20030217 A is heated to about 30 ° C. in a first stage
- Step A can be omitted if the mixture is already 30 ° C warm or warmer (cf. embodiment 1). Stages A and B can also merge into one another if heating takes place from room temperature over a period of 3/2 h to several hours (cf. embodiment 3).
- the temperature specification “approximately 30 ° C.” relates to a temperature range of 25 to 35 ° C.
- the specification “approximately 75 ° C.” relates to a temperature range that lies between 68 and 79 ° C. and in which, in the method according to the invention, the changeover point is usually in the direction of a deep dark red solution, which shows that the reaction has taken place in its entirety.
- the lower temperature limit in step C is to be lowered to 78 ° C.
- the duration of the individual stages is preferably: A about V-z - 1 h, B about 1 - 4 h and C about Y - 1 h.
- the limits are to be understood flexibly, i.e. e.g. +/- 10 minutes at half an hour and +/- 30 minutes at 4 hours. However, attempts will be made not to make the duration of the stages too long for economic reasons.
- a method for producing chlorotris (triphenylphosphine) rhodium (I) is particularly preferred, in which
- a solution of RhCI 3 is produced in water or a RhCI 3 solution is provided from a recycling process
- the solution is combined with a C 2 -C 5 alcohol, preferably isopropanol, optionally under protective gas and / or with cooling (for example in an ice bath),
- Triphenylphosphine if necessary as an alcoholic solution or suspension, if necessary again with cooling, is added in excess,
- a the mixture or suspension obtained is heated in a first stage from about 5 to 20 to about 30 ° C,
- SSR / SJ / SJ / 20030217 C is kept at 80 to 110 ° C or if necessary boiled under reflux
- the precipitated crystals are filtered, washed with the alcohol and / or water and / or petroleum ether and then dried.
- step B heating is preferably carried out so slowly that the color change of the solution to dark red takes place at the highest possible temperature, preferably at about 75 ° C.
- This envelope indicates the reaction to chlorotris (triphenylphosphine) rhodium (I), which is later obtained as dark red crystals. If the suspension is heated quickly in step B, the color changes at around 60 ° C. Later, when the crystals cool down, they are so small that the filtration aids such as frits become blocked or the crystals cannot be retained by the filter.
- the temperature is controlled in such a way that it is first heated from room temperature (18 to 20 ° C) to about 30 ° C for some time (for batches in the 100 g range h), then in a further stage for about 3 hours of about 30 is heated to 75 ° C, the color change takes place at about 75 ° C.
- the resulting crystals are reproducibly large enough to be filtered without problems and also meet the requirements and specifications of the catalyst users in terms of purity.
- the RhCI 3 is used in the form of an aqueous solution from a recycling process.
- the role of water seems to be crucial.
- Triphenylphosphine dissolves in isopropanol, but is almost insoluble in water.
- the solubility of triphenylphosphine is reduced due to the dilution effect when an approximately 10% aqueous RhCl 3 solution is added. This is shown in embodiment 3, according to which easily filterable, specification-compliant crystals are produced in good yield.
- Triphenylphosphine does not immediately dissolve completely at low temperatures, but only slowly dissolves with increasing temperature and is only then available for the reaction with RhCl 3 .
- the molar ratio between RhCl 3 and triphenylphosphine is different from the amounts introduced, and here too the crystal size is surprisingly favorably influenced by the initial poverty of triphenylphosphine.
- the invention thus also relates to a process for the production of chlorotris (triphenylphosphine) rhodium (1), in which SSR / SJ / SJ / 20030217 a solution of RhCI 3 is produced in water or a RhCI 3 solution is provided from a recycling process,
- Triphenylphosphine is added as an alcoholic suspension in excess
- a the suspension obtained is heated from about 20 to about 25 to 30 ° C. in a first stage,
- the precipitated crystals are filtered, washed with the alcohol and / or water and / or petroleum ether and then dried.
- An advantage of one embodiment of the method is that the entire synthesis can take place within a single day if the reaction is started at room temperature, as described in exemplary embodiment 4, without prior cooling of the solvent. In practice, this proves to be a considerable economic advantage.
- drying process of the crystalline product can be optimized by washing with isopropanol and possibly petroleum spirit. This allows drying times of just one day on an industrial scale.
- Example 1 Wilkinson regulation with temperature control according to the invention in stages B and C.
- Apparatus 1 and 2 round-bottom flask with gas inlet, reflux condenser and gas outlet.
- triphenylphosphine 24 g (0.0916 mol) of triphenylphosphine are placed in apparatus 2 under argon and dissolved hot in 700 ml of ethanol. The entire triphenylphosphine has already dissolved at 40 ° C.
- RhCl 3 hydrate 4 g (0.0158 mol) of RhCl 3 hydrate are placed in apparatus 1 and suspended in 140 ml of ethanol.
- the 40 ° C warm triphenylphosphine solution is now added to the red-brown suspension under argon flow.
- a dark red solution with a temperature of 36 ° C is formed.
- the solution is then slowly heated to boiling.
- the suspension obtained is allowed to cool overnight without active cooling. The next day, the mixture is cooled to 10 ° C. using an ice bath and then filtered through a G3 frit. The product is washed on the frit with 235 ml of isopropanol and 100 ml of petroleum spirit and dried in a membrane pump vacuum.
- the calculated yield is 99.4%.
- the suspension obtained is allowed to cool overnight without active cooling. The next day, the mixture is cooled to 20 ° C. using an ice bath and then filtered through a G3 frit. The product is washed on the frit with 405 ml of deionized water and 235 ml of isopropanol. The filter cake is then dried in a membrane pump vacuum. 35.82 g of wine-red, finely crystalline solid were obtained.
- the calculated yield is 99.4%.
- Rh (0.0389 mol) in the form of the aqueous RhCl 3 solution with 23% Rh content is diluted with water to an Rh content of 10%.
- the suspension obtained is cooled to 20 ° C. using an ice bath and then filtered through a G3 frit.
- the product is washed on the frit with 235 ml of isopropanol and 100 ml of petroleum spirit and dried in a membrane pump vacuum.
- the yield is 98.5%.
- the suspension obtained is cooled to 20 ° C. using an ice bath and then filtered through a G3 frit.
- the product is washed on the frit with 235 ml of isopropanol and 100 ml of petroleum spirit and dried in a membrane pump vacuum.
- the yield is 95%.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/526,912 US7145027B2 (en) | 2003-07-08 | 2003-07-08 | Method for producing chlorotris(triphenylphosphine) rhodium (i) |
| AT03817397T ATE443069T1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium (i) |
| JP2005503804A JP4414964B2 (ja) | 2003-07-08 | 2003-07-08 | クロロトリス(トリフェニルホスファン)ロジウム(i)の製造方法 |
| PCT/EP2003/007292 WO2005005448A1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium(i) |
| BRPI0314067-9B1A BR0314067B1 (pt) | 2003-07-08 | 2003-07-08 | Processo para a preparação de clorotris(trifenilfosfan)ródio(i) |
| EP03817397A EP1641808B1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium (i) |
| DE50311932T DE50311932D1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium (i) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2003/007292 WO2005005448A1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium(i) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005005448A1 true WO2005005448A1 (de) | 2005-01-20 |
Family
ID=34042664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2003/007292 Ceased WO2005005448A1 (de) | 2003-07-08 | 2003-07-08 | Verfahren zur herstellung von chlorotris (triphenylphosphan)rhodium(i) |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7145027B2 (de) |
| EP (1) | EP1641808B1 (de) |
| JP (1) | JP4414964B2 (de) |
| AT (1) | ATE443069T1 (de) |
| BR (1) | BR0314067B1 (de) |
| DE (1) | DE50311932D1 (de) |
| WO (1) | WO2005005448A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016005282A1 (de) | 2014-07-11 | 2016-01-14 | Umicore Ag & Co. Kg | Verfahren zur herstellung von hydridocarbonyltris(triphenylphosphin)rhodium(i) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009036256A1 (en) | 2007-09-14 | 2009-03-19 | Corventis, Inc. | Injectable physiological monitoring system |
| US8116841B2 (en) | 2007-09-14 | 2012-02-14 | Corventis, Inc. | Adherent device with multiple physiological sensors |
| WO2009036306A1 (en) | 2007-09-14 | 2009-03-19 | Corventis, Inc. | Adherent cardiac monitor with advanced sensing capabilities |
| US8591430B2 (en) | 2007-09-14 | 2013-11-26 | Corventis, Inc. | Adherent device for respiratory monitoring |
| WO2009036333A1 (en) | 2007-09-14 | 2009-03-19 | Corventis, Inc. | Dynamic pairing of patients to data collection gateways |
| EP2194864B1 (de) | 2007-09-14 | 2018-08-29 | Medtronic Monitoring, Inc. | System und verfahren für die drahtlose überwachung von körperflüssigkeiten |
| EP2257216B1 (de) | 2008-03-12 | 2021-04-28 | Medtronic Monitoring, Inc. | Auf herzrhythmus basierende vorhersage von herzinsuffizienzdekompensation |
| WO2009146214A1 (en) | 2008-04-18 | 2009-12-03 | Corventis, Inc. | Method and apparatus to measure bioelectric impedance of patient tissue |
| US20090292194A1 (en) * | 2008-05-23 | 2009-11-26 | Corventis, Inc. | Chiropractic Care Management Systems and Methods |
| US8790259B2 (en) | 2009-10-22 | 2014-07-29 | Corventis, Inc. | Method and apparatus for remote detection and monitoring of functional chronotropic incompetence |
| US9451897B2 (en) | 2009-12-14 | 2016-09-27 | Medtronic Monitoring, Inc. | Body adherent patch with electronics for physiologic monitoring |
| US8965498B2 (en) | 2010-04-05 | 2015-02-24 | Corventis, Inc. | Method and apparatus for personalized physiologic parameters |
| CN102351914B (zh) * | 2011-10-25 | 2014-11-05 | 中国海洋石油总公司 | 一种三(三苯基膦)氯化铑的制备方法 |
| EP2676970B1 (de) | 2012-06-22 | 2015-04-08 | University Of Waterloo | Hydrierung dienbasierter Polymere |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10291996A (ja) * | 1997-04-22 | 1998-11-04 | Mitsubishi Chem Corp | ロジウム錯体溶液の調製方法 |
| JPH10324525A (ja) * | 1997-05-22 | 1998-12-08 | Mitsubishi Chem Corp | ロジウム錯体溶液の調製方法 |
-
2003
- 2003-07-08 WO PCT/EP2003/007292 patent/WO2005005448A1/de not_active Ceased
- 2003-07-08 JP JP2005503804A patent/JP4414964B2/ja not_active Expired - Fee Related
- 2003-07-08 BR BRPI0314067-9B1A patent/BR0314067B1/pt not_active IP Right Cessation
- 2003-07-08 US US10/526,912 patent/US7145027B2/en not_active Expired - Fee Related
- 2003-07-08 AT AT03817397T patent/ATE443069T1/de not_active IP Right Cessation
- 2003-07-08 EP EP03817397A patent/EP1641808B1/de not_active Revoked
- 2003-07-08 DE DE50311932T patent/DE50311932D1/de not_active Expired - Lifetime
Non-Patent Citations (3)
| Title |
|---|
| OSBORN J.A.: "Inorganic Syntheses", 1967, MC GRAW-HILL BOOK CO., NEW YORK, XP008027654, 10 * |
| OSBORN J.A.: "Inorganic Syntheses", 1990, MC GRAW-HILL BOOK CO., NEW YORK, XP008027655, 28 * |
| SUGGS J.W. ET AL.: "Synthesis, structure, and ligand-promoted reductive elimination in an acylrhodium ethyl complex", ORGANOMETALLICS., vol. 4, no. 6, 1985, USACS, COLUMBUS, OH., pages 1101 - 1107, XP002272201 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016005282A1 (de) | 2014-07-11 | 2016-01-14 | Umicore Ag & Co. Kg | Verfahren zur herstellung von hydridocarbonyltris(triphenylphosphin)rhodium(i) |
| US9834572B2 (en) | 2014-07-11 | 2017-12-05 | Umicore Ag & Co. Kg | Process for preparing hydridocarbonyltris(triphenylphosphine)rhodium(I) |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0314067A (pt) | 2005-07-05 |
| EP1641808A1 (de) | 2006-04-05 |
| JP2007506644A (ja) | 2007-03-22 |
| JP4414964B2 (ja) | 2010-02-17 |
| DE50311932D1 (de) | 2009-10-29 |
| EP1641808B1 (de) | 2009-09-16 |
| BR0314067B1 (pt) | 2013-12-03 |
| US7145027B2 (en) | 2006-12-05 |
| ATE443069T1 (de) | 2009-10-15 |
| US20060058543A1 (en) | 2006-03-16 |
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