CN105521780B - 3 acetoxyl group propionic aldehyde catalyst - Google Patents
3 acetoxyl group propionic aldehyde catalyst Download PDFInfo
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Abstract
The present invention relates to 3 acetoxyl group propionic aldehyde catalyst, mainly solve the problems, such as that 3 acetoxyl group propionic aldehyde catalyst activity and selectivities are relatively low in the prior art, by using 3 acetoxyl group propionic aldehyde catalyst, the catalyst uses SiO2、Al2O3Or its mixture is carrier, active component includes at least one, the technical scheme selected from least one of alkali metal and selected from least one of VIIB and VA metals metallic element selected from platinum cluster metallic element, the technical problem is preferably resolved, in the industrial production available for 1.3 propane diols.
Description
Technical field
The present invention relates to 3- acetoxyl group propionic aldehyde catalyst, the preparation method and 3- acetoxyl group propionic aldehyde of the catalyst
Synthetic method.
Background technology
1.3- propane diols (1.3-PDO) is a kind of important industrial chemicals, be mainly used in plasticizer, detergent, preservative,
The synthesis of emulsifying agent, it is also used for the industries such as food, cosmetics and pharmacy.Because it is a kind of important polyester fiber monomer, its
Most important purposes is as monomer and the polytrimethylene terephthalate (PTT) of terephthalic acid (TPA) synthesizing new polyester material one.
The preparation method of 1.3- propane diols has oxirane one-step method, oxirane two-step method, acrolein hydration method, acetaldehyde
Stiasny method, acrylic acid ester process, bioanalysis, vinyl acetate hydroformylation etc..At present, 1.3-PDO industrialized preparing process
For chemical synthesis, international market is mainly by German Degussa companies, shell Shell companies of the U.S. and du pont company three
Family's monopolization.Degussa companies are using acrolein hydration hydrogenation method (AC methods), Shell Co. Ltd using oxirane carbonyl
The thorugh biologic engineering method (MF methods) that change method (EO methods), E.I.Du Pont Company innovate using oneself.Its ethylene oxide two-step process
It is current prevailing technology with acrolein hydration method technique.
It is well known that there is a carbon-carbon double bond in vinyl acetate, hydroformylation reaction can occur for the key, the one of double bond
An aldehyde radical is added on individual carbon atom, generates the isomer of acetoxyl group propionic aldehyde.The aldehyde can become hydroxyl by hydrogenation
Base, ester group can be become hydroxyl by hydrolysis and form glycol, and such vinyl acetate is by hydroformylation, hydrogenation and hydrolysis can
Prepare 1.3- propane diols.
Taught in the patents such as patent US4072709 (Production of lactic acid) and utilize vinyl acetate
It is catalyst by using homogeneous rhodium compound or propionate is raw material, by hydroformylation reaction, obtains α-acetyl oxygen
Base propionic aldehyde or α-propionyloxy propionic aldehyde.Whether separation or not, then obtains 1.3-PDO by hydrogenation and hydrolytic process, or
Oxidation and hydrolysis obtain lactic acid.But there are 3- acetoxyl groups propionic aldehyde receipts in the above method during 3- acetoxyl group propionic aldehyde is prepared
The problem of rate is low and selective not high.
The content of the invention
The problem of one of technical problems to be solved by the invention are that 3- acetoxyl group propionic aldehyde yields are low and selectivity is low, carries
For a kind of catalyst for the synthesis of 3- acetoxyl groups propionic aldehyde, the catalyst has 3- acetoxyl group propionic aldehyde high incomes to 3- acetyl
The characteristics of epoxide propionic aldehyde is selectively high.
The two of the technical problems to be solved by the invention are the producers using one of the above-mentioned technical problem catalyst
Method.
The three of the technical problems to be solved by the invention are the 3- acetyl using one of the above-mentioned technical problem catalyst
The synthetic method of epoxide propionic aldehyde.
One of in order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows:3- acetoxyl groups propionic aldehyde is catalyzed
Agent, the catalyst use SiO2、Al2O3Or its mixture is carrier, active component is included selected from platinum cluster metallic element extremely
Lack one kind, selected from least one of alkali metal and selected from least one of VIIB and VA metallic element.It is preferred that institute
State active component while including platinum cluster metallic element, alkali metal, selected from least one of VIIB metallic elements and be selected from
At least one of VA metals metallic element.Now 3- acetyl is being improved between the metallic element in VIIB metallic element and VA
There is synergy in terms of epoxide propionic aldehyde selectivity and yield.
In above-mentioned technical proposal, the platinum cluster metallic element preferably is selected from least one of platinum, palladium, osmium, iridium, ruthenium and rhodium.
In above-mentioned technical proposal, the alkali metal preferably is selected from least one of lithium, sodium, potassium, rubidium and caesium..
In above-mentioned technical proposal, the VIIB metals preferably are selected from least one of manganese and rhenium.
In above-mentioned technical proposal, the VA metals preferably are selected from least one of antimony and bismuth.
In above-mentioned technical proposal, as most preferred technical scheme, the active component simultaneously including platinum cluster metallic element,
Alkali metal, VIIB metallic elements and VA metallic elements;Such as the active component is made up of rhodium, caesium, rhenium and bismuth (or antimony),
Either it is made up of rhodium, caesium, rhenium (or manganese), bismuth and antimony or is made up of rhodium, caesium (or potassium), rhenium, manganese, bismuth and antimony, or by rhodium
(or ruthenium), caesium, potassium, rhenium, manganese, bismuth and antimony composition.The most the preferably active component is by rhodium, ruthenium, caesium, potassium, rhenium, manganese, bismuth and antimony
Composition.
In above-mentioned technical proposal, the content of platinum cluster metallic element is preferably 3.00~15.00g/L in the catalyst, more
Preferably 5.00~10.00g/L;The content of alkali metal is preferably 0.10~3.00g/L in the catalyst, more preferably
0.50~3.00g/L;In the catalyst selected from VIIB and VA at least one content of metal be preferably 0.10~
5.00g/L, more preferably 1.00~5.00g/L.Load surface area per unit volume used in the catalyst is preferably 50~300m2/ g, more
Preferably 150~200m2/ g, pore volume are preferably 0.80~1.20, and more preferably 0.90~1.00.
To solve the two of above-mentioned technical problem, technical scheme is as follows:The technical side of one of above-mentioned technical problem
The production method of catalyst described in case, comprises the following steps:
1. by the composition of catalyst by the compound of platinum cluster metallic element, the compound of alkali metal, VIIB and VA
The solution of the compound of metallic element mixes with carrier;
2. dry.
In above-mentioned technical proposal, the compound of the step 1. platinum cluster metallic element preferably is selected from radium chloride, rhodium acetate two is matched somebody with somebody
Body, triphenylphosphine chlorine rhodium, rhodium nitrate, palladium bichloride, the ammonia palladium of dichloro four, palladium, ammonium chloropalladite, ruthenic chloride, cross ruthenic acid four in
At least one of amine, platinous chloride, ammonium chloroplatinite, chloroplatinic acid, osmium trichloride, iridous chloride and chloro-iridic acid;Step 1. institute
State alkali metal compound and preferably be selected from alkali metal oxide, alkali metal chloride, alkali nitrates, alkali metal sulfates and alkali gold
Belong at least one of acetate;The compound of step 1. VIIB metallic elements has selected from manganese acetate, manganese chloride, sulfuric acid
At least one of manganese, methyl rhenium trioxide and ammonium perrhenate;The compound of step 1. VA metallic elements preferably is selected from chlorination
At least one of antimony, antimony sulfate, bismuth chloride, bismuth and ammonium citrate, bismuth nitrate and bismuth sulfate.2. the drying temperature is 80 to step
~120 DEG C, more preferably 100~120 DEG C.
To solve the three of above-mentioned technical problem, technical scheme is as follows:The synthetic method of 3- acetoxyl group propionic aldehyde,
Using vinyl acetate, carbon monoxide and hydrogen as raw material, using toluene as solvent, appoint in the technical scheme of one of above-mentioned technical problem
Reaction generation 3- acetoxyl group propionic aldehyde in the presence of one catalyst and accelerator.The preferred pyridine of the accelerator and triphenyl
At least one of phosphorus.
The key of the present invention is the selection of catalyst, and skilled person will know how suitable according to determination is actually needed
Reaction temperature, the reaction time, the proportioning of reaction pressure and material.But the temperature reacted in above-mentioned technical proposal is preferably
50~180 DEG C;The pressure of reaction is preferably 1.0~15.0MPa;The time of reaction is preferably 1.0~15.0h.Carbon monoxide with
The mol ratio of hydrogen is preferably 0.10~10.0.
Product of the present invention is analyzed after cooling down, depressurize, separate using gas chromatograph-mass spectrometer (GC-MS) (GC-MASS), is pressed
Row formula calculates the conversion ratio of vinyl acetate and the yield and selectivity of 3- acetoxyl group propionic aldehyde:
Compared with prior art, key of the invention is that the active component of catalyst includes platinum cluster metallic element, alkali gold
Belong to element and selected from least one of VIIB and VA metallic element, be advantageous to improve the activity and stability of major catalyst, from
And improve the yield and selectivity of 3- acetoxyl group propionic aldehyde.
Test result indicates that during using catalyst of the present invention, 3- acetoxyl group propionic aldehyde yield 84.78%, selectively reach
94.69%, achieve active component in preferable technique effect, especially catalyst while include platinum cluster metallic element, alkali gold
Belong to element, selected from least one of VIIB metallic elements and selected from least one of VA metallic elements when, achieve more
Prominent technique effect, in the industrial production available for 1.3- propane diols.The present invention is further explained below by embodiment
State.
Embodiment
【Embodiment 1】
The preparation of catalyst:By the part (Rh of rhodium acetate two containing 6.20gRh, containing 2.00gCs and containing 2.80gRe2
(OAc)4), CsCl and methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3) be sufficiently mixed and be dissolved in pure water, impregnated
Liquid 400ml, than surface it is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation is in above-mentioned leaching
In stain liquid, 3h is stood in 100 DEG C of dryings, obtains the catalyst.The Rh contents that the catalyst is determined through ICP are 6.20g/L, Cs
Content 2.00g/L, Re content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.78%, and selectivity is 94.69%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 2】
The preparation of catalyst:By the part (Rh of rhodium acetate two containing 6.20gRh, containing 2.00gCs and containing 2.80gBi2
(OAc)4), CsCl and bismuth subsalicylate (C7H5BiO4) be sufficiently mixed and be dissolved in pure water, maceration extract 400ml is obtained, by 1.0L
It is 168m than surface2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in above-mentioned maceration extract
In 100 DEG C of dryings, the catalyst is obtained.The Rh contents that the catalyst is determined through ICP are 6.20g/L, Cs content 2.00g/L,
Bi contents 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.71%, and selectivity is 94.57%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Comparative example 1】
For【Embodiment 1】With【Embodiment 2】Comparative example.
The preparation of catalyst:By the part (Rh of rhodium acetate two containing 6.20gRh and containing 2.00gCs2(OAc)4) and CsCl it is abundant
Mixed dissolution obtains maceration extract 400ml in pure water, than surface is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm
Spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains the catalyst in above-mentioned maceration extract.Should through ICP measure
The Rh contents of catalyst are 6.20g/L, Cs contents 2.00g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 72.18%, and selectivity is 85.16%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
The catalyst used by can be seen that the present invention compared with embodiment 1~2, using simultaneously containing Rh, Cs and Re work
Property component and meanwhile performance of the catalyst performance ratio containing only Rh and Cs active constituent catalysts containing Rh, Cs and Bi active component will
More excellent, the selectivity and yield of 3- acetoxyl group propionic aldehyde will be high.
【Embodiment 3】
The preparation of catalyst:By the RhCl containing 5.00gRh, containing 0.50gLi and containing 1.00gRe3·6H2O, LiCl and excessively rhenium
Sour ammonium (H4NO4Re) it is sufficiently mixed and is dissolved in pure water, obtain maceration extract 400ml, than surface is 200m by 1.0L2/ g, pore volume are
1.00, a diameter of 5.6mm spherical Al2O3Carrier impregnation stands 3h in 80 DEG C of dryings, obtains described urge in above-mentioned maceration extract
Agent.The Rh contents that the catalyst is determined through ICP are 5.00g/L, Li contents 0.50g/L, Re content 1.00g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 79.62%, and selectivity is 92.79%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 4】
The preparation of catalyst:By the Rh containing 10.00gRh, containing 3.00gNa and containing 5.00gMn2(SO4)3·15H2O、Na2O and
MnSO4·H2O, which is sufficiently mixed, to be dissolved in the aqueous hydrochloric acid solution that concentration is 8wt%, obtains maceration extract 400ml, 1.0L is compared into surface
For 150m2/ g, pore volume 0.90, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 120 DEG C in above-mentioned maceration extract
Dry, obtain the catalyst.The Rh contents that the catalyst is determined through ICP are 10.00g/L, Na contents 3.00g/L, Mn content
5.00g/L。
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 85.74%, and selectivity is 94.13%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 5】
The preparation of catalyst:By the Rh (NO containing 6.20gRh, containing 2.00gK and containing 2.80gMn3)3、K2SO4And MnCl2·
4H2O, which is sufficiently mixed, to be dissolved in pure water, obtains maceration extract 400ml, than surface is 168m by 1.0L2/ g, pore volume 0.94, diameter
For 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains the catalyst in above-mentioned maceration extract.Through
The Rh contents that ICP determines the catalyst are 6.20g/L, K contents 2.00g/L, Mn content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.73%, and selectivity is 94.62%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 6】
The preparation of catalyst:By the ammonia palladium (Pd (NH of dichloro four containing 6.20gPd, containing 2.00gRb and containing 2.80gMn3)4Cl2·H2O)、RbNO3With Mn (OAc)2·4H2O, which is sufficiently mixed, to be dissolved in pure water, obtains maceration extract 400ml, and 1.0L is compared into table
Face is 168m2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 in above-mentioned maceration extract
DEG C drying, obtains the catalyst.The Pd contents that the catalyst is determined through ICP are 6.20g/L, Rb contents 2.00g/L, Mn content
2.80g/L。
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.30%, and selectivity is 94.34%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 7】
The preparation of catalyst:By the Pd (OAc) containing 6.20gPd, containing 2.00gCs and containing 2.80gBi2, CsCl and citric acid
Bismuth ammonium (Bi (NH3)2C6H7O7·H2O) it is sufficiently mixed and is dissolved in the acetic acid that concentration is 10wt%, obtains maceration extract 400ml, will
1.0L is 168m than surface2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation is quiet in above-mentioned maceration extract
3h is put in 100 DEG C of dryings, obtains the catalyst.The Pd contents that the catalyst is determined through ICP are 6.20g/L, Cs contents
2.00g/L, Bi content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.26%, and selectivity is 94.31%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 8】
The preparation of catalyst:By the RuCl containing 6.20gRu, containing 2.00gCs and containing 2.80gBi3·XH2O, CsCl and BiCl3
It is sufficiently mixed and is dissolved in the hydrochloric acid that concentration is 8wt%, obtain maceration extract 400ml, than surface is 168m by 1.0L2/ g, pore volume
For 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtained described in above-mentioned maceration extract
Catalyst.The Ru contents that the catalyst is determined through ICP are 6.20g/L, Cs contents 2.00g/L, Bi content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.10%, and selectivity is 94.72%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 9】
The preparation of catalyst:By the ammonium chloroplatinite ((NH containing 6.20gPt, containing 2.00gCs and containing 2.80gBi4)2PtCl4), CsCl and Bi2(SO4)3It is sufficiently mixed and is dissolved in the hydrochloric acid that concentration is 8wt%, maceration extract 400ml is obtained, by 1.0L
It is 168m than surface2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in above-mentioned maceration extract
In 100 DEG C of dryings, the catalyst is obtained.The Pt contents that the catalyst is determined through ICP are 6.20g/L, Cs content 2.00g/L,
Bi contents 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.16%, and selectivity is 94.57%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 10】
The preparation of catalyst:By the OsCl containing 6.20gOs, containing 2.00gCs and containing 2.80gSb3·3H2O, CsCl and Sb2
(SO4)3It is sufficiently mixed and is dissolved in the hydrochloric acid that concentration is 8wt%, obtain maceration extract 400ml, than surface is 168m by 1.0L2/ g,
Pore volume is 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtained in above-mentioned maceration extract
The catalyst.The Os contents that the catalyst is determined through ICP are 6.20g/L, Cs contents 2.00g/L, Sb content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 0.2MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 1.0MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 50 DEG C, and the mol ratio of hydrogen and carbon monoxide is 1:After 10, sustained response 1.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 78.58%, and selectivity is 93.33%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 11】
The preparation of catalyst:By the IrCl containing 6.20gIr, containing 2.00gCs and containing 2.80gSb3·XH2O, CsCl and Cl3Sb
It is sufficiently mixed and is dissolved in the aqueous hydrochloric acid solution that concentration is 8wt%, obtain maceration extract 400ml, than surface is 168m by 1.0L2/
G, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtained in above-mentioned maceration extract
To the catalyst.The Ir contents that the catalyst is determined through ICP are 6.20g/L, Cs contents 2.00g/L, Sb content 2.80g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 1.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm, while agitating and heating is warming up to reaction temperature until pressure 15.0MPa
Degree, controlling reaction temperature are 180 DEG C, and the mol ratio of hydrogen and carbon monoxide is 10:After 1, sustained response 15.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 84.90%, and selectivity is 94.36%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 12】
The preparation of catalyst:By the part of rhodium acetate two containing 6.20gRh, containing 2.00gCs, containing 1.30gRe and containing 1.50gBi
(Rh2(OAc)4), CsCl, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3) and bismuth subsalicylate (C7H5BiO4) fully
Mixed dissolution obtains maceration extract 400ml in pure water, than surface is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm
Spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains the catalyst in above-mentioned maceration extract.Should through ICP measure
The Rh contents of catalyst are 6.20g/L, Cs contents 2.00g/L, Re content 1.30g/L, Bi content 1.50g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 86.02%, and selectivity is 95.87%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
Found out on year-on-year basis by embodiment 11 and embodiment 1 and embodiment 2, improve 3- acetoxyl group propionic aldehyde selectivity and
In terms of yield, in the catalyst that the present invention uses, there is synergy between VIIB metal Re and VA metals Bi.【Embodiment 13】
The preparation of catalyst:By the part of rhodium acetate two containing 6.20gRh, containing 2.00gCs, containing 1.30gRe and containing 1.50gSb
(Rh2(OAc)4), CsCl, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3) and Cl3Sb, which is sufficiently mixed, to be dissolved in concentration and is
In 8wt% aqueous hydrochloric acid solution, maceration extract 400ml is obtained, than surface is 168m by 1.0L2/ g, pore volume 0.94 are a diameter of
5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains the catalyst in above-mentioned maceration extract.Through ICP
The Rh contents for determining the catalyst are 6.20g/L, Cs contents 2.00g/L, Re content 1.30g/L, Sb content 1.50g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 85.91%, and selectivity is 95.89%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 14】
The preparation of catalyst:By the vinegar containing 6.20gRh, containing 2.00gCs, containing 1.30gRe, containing 0.95gBi and containing 0.55gSb
Sour part (the Rh of rhodium two2(OAc)4), CsCl, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3), bismuth subsalicylate
(C7H5BiO4) and Cl3Sb, which is sufficiently mixed, to be dissolved in the aqueous hydrochloric acid solution that concentration is 8wt%, obtains maceration extract 400ml, will
1.0L is 168m than surface2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation is quiet in above-mentioned maceration extract
3h is put in 100 DEG C of dryings, obtains the catalyst.The Rh contents that the catalyst is determined through ICP are 6.20g/L, Cs contents
2.00g/L, Re content 1.30g/L, Bi content 0.95g/L, Sb content 0.55g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 86.83%, and selectivity is 96.34%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
Found out on year-on-year basis by embodiment 14 and embodiment 12 and embodiment 13, improving the selectivity of 3- acetoxyl group propionic aldehyde
In terms of yield, in the catalyst that the present invention uses, there is synergy in VA metals between Bi and Sb.Illustrate Rh, Cs,
Synergy well between five kinds of active components of Re, Bi and Sb be present.
【Embodiment 15】
The preparation of catalyst:By the vinegar containing 6.20gRh, containing 2.00gCs, containing 1.30gMn, containing 0.95gBi and containing 0.55gSb
Sour part (the Rh of rhodium two2(OAc)4)、CsCl、Mn(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3Sb is sufficiently mixed molten
Solution obtains maceration extract 400ml in the aqueous hydrochloric acid solution that concentration is 8wt%, than surface is 168m by 1.0L2/ g, pore volume are
0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains described urge in above-mentioned maceration extract
Agent.The Rh contents that the catalyst is determined through ICP are 6.20g/L, Cs contents 2.00g/L, Mn content 1.30g/L, Bi content
0.95g/L, Sb content 0.55g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 86.92%, and selectivity is 96.29%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 16】
The preparation of catalyst:To contain 6.20gRh, containing 2.00gCs, containing 0.80gRe, containing 0.50gMn, containing 0.95gBi and contain
0.55gSb part (the Rh of rhodium acetate two2(OAc)4), CsCl, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3)、Mn
(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3Sb is sufficiently mixed the aqueous hydrochloric acid solution for being dissolved in that concentration is 8wt%
In, maceration extract 400ml is obtained, than surface is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier
It is immersed in above-mentioned maceration extract, stands 3h in 100 DEG C of dryings, obtain the catalyst.The Rh contents of the catalyst are determined through ICP
For 6.20g/L, Cs contents 2.00g/L, Re content 0.80g/L, Mn content 0.50g/L, Bi content 0.95g/L, Sb content
0.55g/L。
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 87.74%, and selectivity is 97.41%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
Found out on year-on-year basis by embodiment 16 and embodiment 14 and embodiment 15, improving the selectivity of 3- acetoxyl group propionic aldehyde
In terms of yield, in the catalyst that uses of the present invention, there is synergy between VIIB metals Re, Mn, illustrate Rh, Cs, Re,
Synergy well between six kinds of active components of Mn, Bi and Sb be present.
【Embodiment 17】
The preparation of catalyst:To contain 6.20gRh, containing 2.00gK, containing 0.80gRe, containing 0.50gMn, containing 0.95gBi and contain
0.55gSb part (the Rh of rhodium acetate two2(OAc)4)、K2SO4, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3)、Mn
(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3Sb is sufficiently mixed the aqueous hydrochloric acid solution for being dissolved in that concentration is 8wt%
In, maceration extract 400ml is obtained, than surface is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier
It is immersed in above-mentioned maceration extract, stands 3h in 100 DEG C of dryings, obtain the catalyst.The Rh contents of the catalyst are determined through ICP
For 6.20g/L, K contents 2.00g/L, Re content 0.80g/L, Mn content 0.50g/L, Bi content 0.95g/L, Sb content 0.55g/
L。
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 87.58%, and selectivity is 97.56%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 18】
The preparation of catalyst:To contain 6.20gRh, containing 1.55gCs, containing 0.45gK, containing 0.80gRe, containing 0.50gMn, contain
The 0.95gBi and part (Rh of rhodium acetate two containing 0.55gSb2(OAc)4)、CsCl、K2SO4, methyl rhenium trioxide (abbreviation MTO, point
Minor CH3ReO3)、Mn(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3It is 8wt% that Sb, which is sufficiently mixed and is dissolved in concentration,
Aqueous hydrochloric acid solution in, obtain maceration extract 400ml, than surface be 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm's
Spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains the catalyst in above-mentioned maceration extract.This is determined through ICP to urge
The Rh contents of agent are 6.20g/L, Cs contents 1.55g/L, K content 0.45g/L, Re content 0.80g/L, Mn content 0.50g/L,
Bi contents 0.95g/L, Sb content 0.55g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 88.49%, and selectivity is 98.65%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
Found out on year-on-year basis by embodiment 18 and embodiment 16 and embodiment 17, improving the selectivity of 3- acetoxyl group propionic aldehyde
In terms of yield, in the catalyst that uses of the present invention, there is synergy between alkali metal Cs, K, illustrate Rh, Cs, K, Re,
Synergy well between seven kinds of active components of Mn, Bi and Sb be present.
【Embodiment 19】
The preparation of catalyst:To contain 6.20gRu, containing 1.55gCs, containing 0.45gK, containing 0.80gRe, containing 0.50gMn, contain
The 0.95gBi and RuCl containing 0.55gSb3·XH2O、CsCl、K2SO4, methyl rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3)、
Mn(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3Sb is sufficiently mixed the aqueous hydrochloric acid solution for being dissolved in that concentration is 8wt%
In, maceration extract 400ml is obtained, than surface is 168m by 1.0L2/ g, pore volume 0.94, a diameter of 5.6mm spherical SiO2Carrier
It is immersed in above-mentioned maceration extract, stands 3h in 100 DEG C of dryings, obtain the catalyst.The Ru contents of the catalyst are determined through ICP
For 6.20g/L, Cs contents 1.55g/L, K content 0.45g/L, Re content 0.80g/L, Mn content 0.50g/L, Bi content 0.95g/
L, Sb content 0.55g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 88.25%, and selectivity is 98.67%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
【Embodiment 20】
The preparation of catalyst:To contain 5.00gRh, containing 1.20gRu, containing 1.55gCs, containing 0.45gK, containing 0.80gRe, contain
0.50gMn, the part (Rh of rhodium acetate two containing 0.95gBi and containing 0.55gSb2(OAc)4)、RuCl3·XH2O、CsCl、K2SO4, first
Base rhenium trioxide (abbreviation MTO, molecular formula CH3ReO3)、Mn(OAc)2·4H2O, bismuth subsalicylate (C7H5BiO4) and Cl3Sb is abundant
Mixed dissolution obtains maceration extract 400ml in the aqueous hydrochloric acid solution that concentration is 8wt%, than surface is 168m by 1.0L2/ g, hole
Hold for 0.94, a diameter of 5.6mm spherical SiO2Carrier impregnation stands 3h in 100 DEG C of dryings, obtains institute in above-mentioned maceration extract
State catalyst.The Rh contents that the catalyst is determined through ICP are 5.00g/L, Ru contents 1.20g/L, Cs content 1.55g/L, K content
0.45g/L, Re content 0.80g/L, Mn content 0.50g/L, Bi content 0.95g/L, Sb content 0.55g/L.
The synthesis of 3- acetoxyl group propionic aldehyde:By 2.50mol toluene, 0.15mol catalyst, 0.20mol triphenyl phosphorus and
1.65mol vinyl acetates are added in 1L titanium reactors, first with 2.0MPa is pressurized to after air in argon gas discharge kettle, are then passed to
Carbon monoxide and hydrogen improve mixing speed to 800rpm until pressure 5.5MPa, while agitating and heating is warming up to reaction temperature,
Controlling reaction temperature is 96 DEG C, and the mol ratio of hydrogen and carbon monoxide is 2:After 1, sustained response 5.0h, stop reaction.
Product analysis:Reactant mixture cooling, decompression, the separation that above-mentioned reaction is obtained, liquid phase use gas-chromatography-matter
Compose combined instrument (GC-MASS) analysis.
The yield for being computed 3- acetoxyl group propionic aldehyde is 88.96%, and selectivity is 99.14%, for convenience of description and is compared
Compared with preparation condition, reaction condition, material inlet amount, the yield of 3- acetoxyl group propionic aldehyde and the selectivity of catalyst are listed in respectively
Tables 1 and 2.
Found out on year-on-year basis by embodiment 20 and embodiment 18 and embodiment 19, improving the selectivity of 3- acetoxyl group propionic aldehyde
In terms of yield, in the catalyst that uses of the present invention, there is synergy between platinum cluster metal Rh, Ru, illustrate Rh, Ru, Cs,
K, synergy well between eight kinds of active components of Re, Mn, Bi and Sb be present.
Table 1
Table 2 (continued)
The (Continued) of table 2
Claims (8)
1.3- acetoxyl group propionic aldehyde catalyst, the catalyst use SiO2、Al2O3Or its mixture is carrier, active component
At least one including at least one selected from platinum group, selected from least one of alkali metal, in VIIB
Kind of at least one of metallic element and VA metallic element, the content of platinum group is 3.00~15.00g/ in catalyst
L, the content of alkali metal is 0.10~3.00g/L, at least one and VA selected from metal in VIIB described in catalyst
At least one content of metal is 0.10~5.00g/L.
2. catalyst according to claim 1, it is characterised in that the platinum group metal is in platinum, palladium, osmium, iridium, ruthenium and rhodium
At least one.
3. catalyst according to claim 1, it is characterised in that the alkali metal is in lithium, sodium, potassium, rubidium and caesium
It is at least one.
4. catalyst according to claim 1, it is characterised in that the VIIB metals are selected from least one of manganese and rhenium.
5. catalyst according to claim 1, it is characterised in that the VA metals are selected from least one of antimony and bismuth.
6. as the production method of the catalyst described in claim 1, comprise the following steps:
1. by the composition of catalyst by the compound of platinum group, the compound of alkali metal, VIIB and VA metals
The solution of the compound of metallic element mixes with carrier;
2. dry.
The synthetic method of 7.3- acetoxyl group propionic aldehyde, using vinyl acetate, carbon monoxide and hydrogen as raw material, using toluene as solvent,
3- acetoxyl group propionic aldehyde is synthesized in the presence of catalyst any one of Claims 1 to 5 and accelerator.
8. synthetic method according to claim 7, it is characterised in that the accelerator is in pyridine and triphenyl phosphorus
It is at least one.
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