CN105585596A - Preparation method of rhodium compounds - Google Patents

Preparation method of rhodium compounds Download PDF

Info

Publication number
CN105585596A
CN105585596A CN201510895747.2A CN201510895747A CN105585596A CN 105585596 A CN105585596 A CN 105585596A CN 201510895747 A CN201510895747 A CN 201510895747A CN 105585596 A CN105585596 A CN 105585596A
Authority
CN
China
Prior art keywords
octadiene
cyclo
rhodium
solution
organic solvent
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.)
Pending
Application number
CN201510895747.2A
Other languages
Chinese (zh)
Inventor
相亚波
李永敏
郁丰善
何治鸿
赵栋云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Hans Precious Metal Co Ltd
Original Assignee
Jiangxi Hans Precious Metal Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Hans Precious Metal Co Ltd filed Critical Jiangxi Hans Precious Metal Co Ltd
Priority to CN201510895747.2A priority Critical patent/CN105585596A/en
Publication of CN105585596A publication Critical patent/CN105585596A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F15/00Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
    • C07F15/0006Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
    • C07F15/0073Rhodium compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2282Unsaturated compounds used as ligands
    • B01J31/2295Cyclic compounds, e.g. cyclopentadienyls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a preparation method of rhodium compounds. According to the method, bis(1.5-cyclooctadiene) rhodium(I) tetrafluoroborate compounds are synthesized in two steps, firstly, 1.5-cyclooctadiene rhodium chloride dimmers are synthesized with rhodium chloride trihydrate as raw materials; secondly, the bis(1.5-cyclooctadiene) rhodium(I) tetrafluoroborate compounds are synthesized with the 1.5-cyclooctadiene rhodium chloride dimmers as raw materials. The one-way total yield is 93% or above, operation is easy, industrial production can be achieved, and certain economic benefits are achieved.

Description

A kind of preparation method of rhodium compound
Technical field
The invention belongs to organic catalysis noble metal catalyst preparing technical field, be specifically related to a kind of preparation method of rhodium compound.
Technical background
Rhodium compound is as noble metal homogeneous catalysis agent, to be widely used in hydroformylation, hydrogenation, the carbonyl important chemical process such as synthetic. For example: three (triphenylphosphine) radium chloride is as efficient olefin hydrogenation catalyst at industrial application, and rhodium dicarbonyl acetylacetonate, triphenylphosphine acetylacetone,2,4-pentanedione rhodium carbonyl, three (triphenylphosphine) carbonyl hydrogen rhodium etc. use in olefin hydroformylation commercial plant as efficient olefin hydroformylation catalyst.
At present about two (1,5-cyclo-octadiene) preparation method of tetrafluoro boric acid rhodium compound, be all that documents few in number are reported the preparation in its laboratory, and yield is on the low side, the rhodium metal more expensive for price and resource is few, is unfavorable for producing.
Summary of the invention
The object of this invention is to provide two 1,5-cyclo-octadiene tetrafluoro boric acid rhodium compounds and preparation method. Technical problem to be solved by this invention is, for above-mentioned the deficiencies in the prior art, to provide a kind of preparation method of rhodium compound. The method is simple to operate, and purity is high, and productive rate is high. Rhodium compound prepared by the method is widely used as catalyst in symmetrical and asymmetric hydrogenation reaction, hydroformylation, hydrosilylation and coupling reaction, and presents good catalytic action.
The object of the invention is to be achieved through the following technical solutions
A kind of preparation method of rhodium compound, the method is divided into two steps and synthesizes two (1,5-cyclo-octadiene) tetrafluoro boric acid rhodium compound, the first step, taking three rhodium trichloride hydrates as raw material, is synthesized 1,5-cyclo-octadiene radium chloride dimer, second step is with 1,5 cyclo-octadiene radium chloride dimers are raw material, synthetic two (1,5-cyclo-octadiene) tetrafluoro boric acid rhodium compounds.
First step reaction generates 1,5-cyclo-octadiene radium chloride dimer, and described method is divided into following step:
Step a: three rhodium trichloride hydrates are dissolved in organic solvent and water, obtain the A solution of rhodium chloride.
Step b: under nitrogen protection, 1,5-cyclo-octadiene is added drop-wise in A solution, is warming up to backflow, then at insulated and stirred reaction 12-36 hour.
Step c: cold filtration, filtrate is concentrated into certain volume and separates out solid and refilter, and combining solid vacuum drying obtains 1,5-cyclo-octadiene radium chloride dimer.
Second step reaction generates two (1,5-cyclo-octadiene) tetrafluoro boric acid rhodium compounds, and described method is divided into following step:
Steps d: silver tetrafluoroborate is dissolved in organic solvent, obtains D solution.
Step e: 1,5-cyclo-octadiene radium chloride dimer is dissolved in organic solvent, and then adds 1,5-cyclo-octadiene, obtain E solution.
Step f: under nitrogen protection, at low temperatures D solution is slowly added drop-wise in E solution to constant temperature stirring reaction one hour.
Step g: the reactant liquor in step f is warmed up to backflow, reacts 12~36 hours. Cold filtration, filtrate, through repeatedly concentrating and separate out solid, is filtered. Merge filter cake, use organic solvent rinsing, solid vacuum drying, obtains two (1,5-cyclo-octadiene) tetrafluoro boric acid rhodium compounds.
The preparation method of above-mentioned rhodium compound, the organic solvent described in step a is methyl alcohol, ethanol, isopropyl alcohol, n-butanol. Rhodium chloride concentration is the solution of 50-150 grams per liter.
The preparation method of above-mentioned rhodium compound, 1 described in step b, the mol ratio of the rhodium chloride described in 5-cyclo-octadiene and step 1 is (6-10): 1, the time of back flow reaction is 12~36 hours.
The preparation method of above-mentioned rhodium compound, the organic solvent described in steps d is oxolane, acetone, carrene.
The preparation method of above-mentioned rhodium compound, 1 described in the silver tetrafluoroborate described in steps d and step e, the dimeric mol ratio of 5-cyclo-octadiene radium chloride is (0.5~1.5): 1, tetrafluoro boric acid silver concentration is the solution of 0.1-0.2 grams per liter.
The preparation method of above-mentioned rhodium compound, 1 described in step e, 5-cyclo-octadiene and the dimeric mol ratio of 1,5-cyclo-octadiene radium chloride are (1~3): 1.
The preparation method of above-mentioned rhodium compound, the cryogenic temperature described in step f is at 15-25 DEG C.
The preparation method of above-mentioned rhodium compound, the reaction temperature described in step g is that 30-50 DEG C of return time is 12-36 hour, its organic solvent is ether, methyl tertiary butyl ether(MTBE), benzinum.
The present invention compared with prior art has following advantage: (1) preparation method of the present invention is simple to operate, and purity is high, and productive rate is high, and product one way total recovery (with metal rhodium) can reach more than 90%, and product purity reaches 99%. (2) production product of the present invention is widely used as catalyst in symmetrical and asymmetric hydrogenation reaction, hydroformylation, hydrosilylation and coupling reaction, presents good catalytic action.
Brief description of the drawings
Fig. 1 is two (1,5-cyclo-octadiene) the tetrafluoro boric acid rhodium compound nucleus magnetic hydrogen spectrum spectrograms of product prepared by method of the present invention.
Detailed description of the invention
Embodiment 1:
10 gram of three rhodium trichloride hydrate is dissolved in 100 milliliters of absolute ethyl alcohols and 20 ml waters, measures 37.4 milliliter 1, and 5-cyclo-octadiene is in constant pressure funnel, and nitrogen replacement protection, starts to drip 1,5-cyclo-octadiene, dropwises and is warming up to 82 DEG C and insulated and stirred 18 hours. Reactant liquor concentrated by rotary evaporation, cold filtration, obtains 1,5-cyclo-octadiene radium chloride dimer. Again above-mentioned solid is all dissolved in 1,5 cyclo-octadiene of the carrene of 240 milliliters and 17.7 milliliters to nitrogen protection; slowly drip at 20 DEG C 60 milliliters of acetone solns that contain 7.5 grams of silver tetrafluoroborates, drip complete 35 DEG C of reactions 24 hours that are warming up to, filter; concentrated by rotary evaporation; filter, use methyl tertiary butyl ether(MTBE) rinsing, vacuum air drying; obtain two 1; 13.8 grams of 5-cyclo-octadiene tetrafluoro boric acid rhodiums, the metal Rh content 24.92% of surveying, theoretical Rh content 25.30%.
Embodiment 2:
100 gram of three rhodium trichloride hydrate is dissolved in 1000 milliliters of absolute ethyl alcohols and 200 ml waters; measure 370 milliliter 1; 5-cyclo-octadiene is in constant pressure funnel, and nitrogen replacement protection, starts to drip 1; 5-cyclo-octadiene; dropwise and be warming up to 82 DEG C and insulated and stirred 24 hours, concentrated by rotary evaporation, cold filtration; obtain 1,5-cyclo-octadiene radium chloride dimer. Again it is all dissolved in to 1 of the carrene of 2400 milliliters and 160 milliliters; in 5 cyclo-octadiene, under nitrogen protection, slowly drip at 20 DEG C 600 milliliters of acetone solns that contain 75 grams of silver tetrafluoroborates; back flow reaction 36 hours at 45 DEG C; filter, concentrated by rotary evaporation, filters; use methyl tertiary butyl ether(MTBE) rinsing; vacuum air drying, obtains 141.05 grams of two 1,5-cyclo-octadiene tetrafluoro boric acid rhodiums. The metal Rh content 24.95% of surveying, theoretical Rh content 25.30%.
Embodiment 3:
100 gram of three rhodium trichloride hydrate is dissolved in 1000 milliliters of absolute ethyl alcohols and 200 ml waters; measure 374 milliliter 1; 5-cyclo-octadiene, in constant pressure funnel, under nitrogen protection, starts to drip 1; 5-cyclo-octadiene; dropwise and be warming up to 82 DEG C and insulated and stirred 24 hours, concentrated by rotary evaporation, filters; obtain 1,5-cyclo-octadiene radium chloride dimer. Again it is all dissolved in to 1 of the carrene of 2000 milliliters and 160 milliliters; in 5 cyclo-octadiene, under nitrogen protection, slowly drip at 20 DEG C 600 milliliters of acetone solns that contain 75 grams of silver tetrafluoroborates; back flow reaction 30 hours at 45 DEG C; filter, concentrated by rotary evaporation, filters; use methyl tertiary butyl ether(MTBE) rinsing; vacuum air drying, obtains 138 grams of two 1,5-cyclo-octadiene tetrafluoro boric acid rhodiums. The metal Rh content 24.90% of surveying, theoretical Rh content 25.30%.

Claims (2)

1. a preparation method for rhodium compound, is characterized in that comprising step:
Step a: three rhodium trichloride hydrates are dissolved in organic solvent and water, and obtaining rhodium chloride concentration is the molten of 50-150 grams per literLiquid.
Step b: under nitrogen protection, 1,5-cyclo-octadiene is added drop-wise in the solution described in step a.
Step c: solution described in step b is warmed to 80 DEG C to refluxing, and then back flow reaction 12-36 hour, filters, and obtains filter cake,Filtrate is concentrated into certain volume and separates out again solid, refilters, and solid vacuum drying obtains 1,5-cyclo-octadiene radium chlorideDimer.
Steps d: silver tetrafluoroborate is dissolved in organic solvent, obtains the solution that tetrafluoro boric acid silver concentration is 0.1-0.2 grams per liter.
Step e: by step c gained 1,5-cyclo-octadiene radium chloride dimer is dissolved in organic solvent, and then add 1,5-ring pungentDiene, obtaining 1,5-cyclo-octadiene radium chloride dimer concentration is the solution of 0,03-0.06 grams per liter.
Step f: under nitrogen protection, at low temperatures steps d kind solution is slowly dripped in step c solution to constant temperature stirring reaction oneIndividual hour.
Step g: solution in step f is warmed to 30-50 DEG C, and back flow reaction 12-36 hour, filters, and filtrate is concentrated, has solidSeparate out, filter, obtain filter cake, filtrate continuation is concentrated into certain volume, separates out again solid, refilters, and finally usesThe agent rinsing of organic Lip river, obtains two (1,5-cyclo-octadiene) tetrafluoro boric acid rhodium compounds.
2. the preparation method of a kind of rhodium compound according to claim 1, is characterized in that:
1) organic solvent described in step a is methyl alcohol, ethanol, isopropyl alcohol, n-butanol. Rhodium chloride concentration is 50-150 grams per literSolution.
2) 1 described in step b, 5-cyclo-octadiene and step: the mol ratio of the rhodium chloride described in a is (6-10): 1.
3) reflux temperature that described in step c, reaction temperature is organic solvent, the time of reaction is 12-36 hour.
4) organic solvent described in steps d is oxolane, acetone, carrene.
5) 1 described in the silver tetrafluoroborate described in steps d and step e, the dimeric mol ratio of 5-cyclo-octadiene radium chloride is(0.5-1.5): 1, tetrafluoro boric acid silver concentration is the solution of 0.1-0.2 grams per liter.
6) 1 described in step e, 1 described in 5-cyclo-octadiene and step e, the dimeric mol ratio of 5-cyclo-octadiene radium chloride is (1-3):1
7) cryogenic temperature described in step f is at 10-25 DEG C.
8) reaction temperature described in step g is 30-50 DEG C, and the reaction time is 12-36 hour, its rinsing organic solvent used be ether,Methyl tertiary butyl ether(MTBE), benzinum.
CN201510895747.2A 2015-12-04 2015-12-04 Preparation method of rhodium compounds Pending CN105585596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510895747.2A CN105585596A (en) 2015-12-04 2015-12-04 Preparation method of rhodium compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510895747.2A CN105585596A (en) 2015-12-04 2015-12-04 Preparation method of rhodium compounds

Publications (1)

Publication Number Publication Date
CN105585596A true CN105585596A (en) 2016-05-18

Family

ID=55925533

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510895747.2A Pending CN105585596A (en) 2015-12-04 2015-12-04 Preparation method of rhodium compounds

Country Status (1)

Country Link
CN (1) CN105585596A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078771A (en) * 2019-06-06 2019-08-02 江苏欣诺科催化剂有限公司 A kind of preparation method of iridium catalyst
CN112679554A (en) * 2020-12-31 2021-04-20 昆明贵金属研究所 Preparation of rhodium (I) acid salt [ RhL2]+A-And [ Rh ] andI(CO)2Cl]2method of complexing
CN113492021A (en) * 2021-09-09 2021-10-12 苏州欣诺科生物科技有限公司 Preparation method of rhodium catalyst
CN113980057A (en) * 2021-10-26 2022-01-28 昆明贵金属研究所 One-pot method for preparing bis (dienylrhodium) (I) nitrate [ RhL [)2]NO3Method of synthesis of
CN115057890A (en) * 2022-06-15 2022-09-16 浙江微通催化新材料有限公司 Synthesis method of (1, 5-cyclooctadiene) chlororhodium (I) dimer
CN115141233A (en) * 2022-06-23 2022-10-04 浙江微通催化新材料有限公司 Synthesis method of bis (1, 5-cyclooctadiene) rhodium trifluoromethanesulfonate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316795A (en) * 1970-10-26 1973-05-16 Bp Chem Int Ltd Process for preparing cationic complexes of rhodium and iridium
CN1871067A (en) * 2003-08-28 2006-11-29 尤米科尔股份公司及两合公司 Diene-bis-aquo-rhodium(i) complexes, process for preparing them and their use
CN103214520A (en) * 2013-05-14 2013-07-24 湖南工程学院 Ionic liquid covalent-loaded chiral phosphine ligand and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1316795A (en) * 1970-10-26 1973-05-16 Bp Chem Int Ltd Process for preparing cationic complexes of rhodium and iridium
CN1871067A (en) * 2003-08-28 2006-11-29 尤米科尔股份公司及两合公司 Diene-bis-aquo-rhodium(i) complexes, process for preparing them and their use
CN103214520A (en) * 2013-05-14 2013-07-24 湖南工程学院 Ionic liquid covalent-loaded chiral phosphine ligand and application thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
TERRY G. SCHENCK等,: "Bimetallic Reactivity.Synthesis of Bimetallic Complexes Containing a Bis(phosphino)pyrazole Ligand", 《INORG. CHEM.》 *
龚大春等,: "具有C2对称的氮磷-氧磷配体双噁唑啉磷乙烷的合成及在不对称催化加氢中的应用", 《有机化学》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078771A (en) * 2019-06-06 2019-08-02 江苏欣诺科催化剂有限公司 A kind of preparation method of iridium catalyst
CN110078771B (en) * 2019-06-06 2022-04-05 江苏欣诺科催化剂有限公司 Preparation method of iridium catalyst
CN112679554A (en) * 2020-12-31 2021-04-20 昆明贵金属研究所 Preparation of rhodium (I) acid salt [ RhL2]+A-And [ Rh ] andI(CO)2Cl]2method of complexing
CN112679554B (en) * 2020-12-31 2022-11-29 昆明贵金属研究所 Preparation of rhodium (I) acid salt [ RhL 2 ] + A - And [ Rh ] and I (CO) 2 Cl] 2 method of complexing
CN113492021A (en) * 2021-09-09 2021-10-12 苏州欣诺科生物科技有限公司 Preparation method of rhodium catalyst
CN113492021B (en) * 2021-09-09 2021-11-19 苏州欣诺科生物科技有限公司 Preparation method of rhodium catalyst
CN113980057A (en) * 2021-10-26 2022-01-28 昆明贵金属研究所 One-pot method for preparing bis (dienylrhodium) (I) nitrate [ RhL [)2]NO3Method of synthesis of
CN113980057B (en) * 2021-10-26 2023-10-03 昆明贵金属研究所 One-pot method for preparing diene rhodium (I) nitrate [ RhL ] 2 ]NO 3 Is synthesized by the method of (2)
CN115057890A (en) * 2022-06-15 2022-09-16 浙江微通催化新材料有限公司 Synthesis method of (1, 5-cyclooctadiene) chlororhodium (I) dimer
CN115141233A (en) * 2022-06-23 2022-10-04 浙江微通催化新材料有限公司 Synthesis method of bis (1, 5-cyclooctadiene) rhodium trifluoromethanesulfonate
CN115141233B (en) * 2022-06-23 2023-12-29 浙江微通催化新材料有限公司 Synthesis method of rhodium bis (1, 5-cyclooctadiene) triflate

Similar Documents

Publication Publication Date Title
CN105585596A (en) Preparation method of rhodium compounds
Li et al. Chemoselective conjugate reduction of α, β-unsaturated ketones catalyzed by rhodium amido complexes in aqueous media
CN107250091A (en) The method of synthesizing optically active carbonyl compounds
Cheng et al. Bis-N-heterocyclic carbene ruthenium (II) carbonyl complexes: Synthesis, structural characterization and catalytic activities in transfer hydrogenation of ketones
Zheng et al. A convenient nickel-catalysed hydrosilylation of carbonyl derivatives
Aydemir et al. Rhodium-catalyzed transfer hydrogenation with functionalized bis (phosphino) amine ligands
Li et al. An N-heterocyclic carbene iridium catalyst with metal-centered chirality for enantioselective transfer hydrogenation of imines
CN107602357B (en) Method for preparing menthone
EP2279992A1 (en) Aluminum complex and use thereof
CN113372206A (en) Method for synthesizing high-carbon aldehyde by using microchannel reaction device
Normand et al. Design of cationic mixed phosphine/N-heterocyclic carbene palladium (II) π-allyl complexes as monoligated phosphine Pd (0) precatalysts: synthesis, structural studies, catalysis, and reactivity
CN107866282A (en) A kind of application containing aminophosphine ligand in olefin hydroformylation cascade reaction
CN101555260B (en) Method for synthesizing first-generation Grubbs catalyst
Xiong et al. Asymmetric hydrogenation of aromatic ketones in ionic-liquid media catalyzed by Ru-TPPTS–(1S, 2S)-DPENDS complexes
van Rijn et al. Cationic Ruthenium‐Cyclopentadienyl‐Diphosphine Complexes as Catalysts for the Allylation of Phenols with Allyl Alcohol; Relation between Structure and Catalytic Performance in O‐vs. C‐Allylation
CN110372517A (en) A method of amine N- methylation is catalyzed by utilization of carbon source complex of iridium of methanol
CN101723985B (en) Method for producing ruthenium complex
CN105294401A (en) Preparation method of crizotinib intermediate (S)-1-(2,6-dichloro-3-fluorophenyl) ethanol
CN106607093B (en) Carbon monoxide-olefin polymeric and application thereof
Citta et al. Ruthenium (II) Complexes of an Imidazole Carboxamido Ligand for Base-Free Transfer Hydrogenation in Air
CN103012268A (en) Novel preparation method for ivabradine
CN114522737B (en) Method for preparing 3-acetoxypropanol with high selectivity
CN103396383B (en) Preparation method of chiral epoxy compound
Both et al. Hydrogenation of Esters Catalyzed by Bis (N-Heterocyclic Carbene) Molybdenum Complexes
CN111087343B (en) Hydroxypyridine ligand, preparation method and catalytic application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160518