WO2011108717A1 - アミド化合物製造用触媒およびアミド化合物の製造方法 - Google Patents
アミド化合物製造用触媒およびアミド化合物の製造方法 Download PDFInfo
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- WO2011108717A1 WO2011108717A1 PCT/JP2011/055108 JP2011055108W WO2011108717A1 WO 2011108717 A1 WO2011108717 A1 WO 2011108717A1 JP 2011055108 W JP2011055108 W JP 2011055108W WO 2011108717 A1 WO2011108717 A1 WO 2011108717A1
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- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B01J23/18—Arsenic, antimony or bismuth
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- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
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- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
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- B01J37/06—Washing
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/06—Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
- C07C231/065—By hydration using metals or metallic ions as catalyst
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- B01J23/66—Silver or gold
- B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/688—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with manganese, technetium or rhenium
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- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Definitions
- the present invention relates to an amide compound production catalyst for producing an amide compound by reacting a nitrile compound and water in a liquid phase, and an amide compound production method, and in particular, an amide compound capable of producing an amide compound with high efficiency.
- the present invention relates to a production catalyst and an amide compound production method.
- Patent Document 5 discloses that the catalytic activity is improved by adding Nb, Ta, Cr, Mo, W, Si, Ge, Pb, As, and Sb to the manganese oxide catalyst. Has been. However, when these catalysts are used industrially, the catalytic activity cannot be said to be sufficient, and further activity improvement has been demanded.
- JP 47-4068 A Japanese Patent Laid-Open No. 63-57534 Japanese Patent Laid-Open No. 3-93761 Japanese Patent Laid-Open No. 5-170720 JP-A-6-340602 JP 11-319558 A International Publication No. 07/007633
- An object of the present invention is to develop an effective catalyst in the production of an amide compound by hydration of a nitrile compound.
- the reaction efficiency is industrially sufficient, and the construction of a highly efficient reaction system has been expected by using a high-performance catalyst.
- the present inventors have added one or more compounds containing yttrium or vanadium in addition to the compound containing bismuth in the catalyst mainly composed of manganese oxide.
- the catalyst activity was found to be improved. That is, the present invention 1
- a method for producing an amide compound by reacting a nitrile compound and water in the liquid phase in the presence of the catalyst for producing an amide compound according to any one of 1 to 6 above. 8. The method for producing an amide compound according to 7 above, wherein the nitrile compound is acetone cyanohydrin. It is about.
- a highly active nitrile hydration catalyst can be obtained. If this catalyst is used, for example, hydroxycarboxylic acid amide can be produced with high efficiency from acetone cyanohydrin, and the industrial significance is extremely large.
- manganese dioxide is mainly used as the manganese oxide. In general, it is a manganese oxide between MnO 1.7 and MnO 2 . It is known that manganese dioxide can have various crystal structures, and further, transitions between phases and changes in crystallinity occur, so the structures are extremely complex and diverse.
- the manganese oxide used in the present invention can be prepared by various known methods. For example, a method of preparing by reducing heptavalent manganese, a method of preparing by oxidizing divalent manganese, or each of the above preparation methods It is preferable to use a product prepared by a method of combining.
- a method of reducing avalent manganese as a preparation method thereof, a method of reducing a permanganate compound at 20 to 100 ° C. under neutral or alkaline conditions (Zeit. Anorg. Allg.
- the oxide catalyst of the present invention containing manganese oxide as a main component and further containing a third metal component (yttrium or vanadium) in addition to bismuth is to be added during or after the preparation of manganese oxide by the above method. It is prepared by adding a compound containing a metal element.
- a compound containing a metal element any method such as impregnation, adsorption, kneading and coprecipitation can be used.
- the addition is preferably performed by dissolving the metal compound to be added in a solvent.
- a mixed solution containing bismuth oxide, a third metal compound (yttrium compound or vanadium compound) and a divalent manganese compound and a solution containing potassium permanganate are mixed, reacted, and then ripened to complete the reaction. If the resulting slurry-like precipitate is filtered, washed and solid-liquid separated, an oxide catalyst containing the target manganese, bismuth, and the third metal component (yttrium or vanadium) can be obtained.
- the content of bismuth and the third metal component (yttrium or vanadium), the ratio of heptavalent and divalent manganese, the concentration of the raw material solution,
- the temperature, the aging temperature, and the time can be arbitrarily selected.
- a water-soluble salt is selected as the divalent manganese source used for the above catalyst preparation, and sulfate is particularly preferable among them.
- a water-soluble salt is selected, and potassium permanganate is particularly preferable among them.
- the third metal component (yttrium or vanadium) source water-soluble salts and halides are preferable, and sulfates, nitrates, metal acid salts, and chlorides are particularly preferable among them.
- the bismuth source not only water-soluble salts such as bismuth sulfate and bismuth nitrate but also bismuth oxide can be used.
- the addition amount of the bismuth compound is usually 0.0001 to 0.1, preferably 0.001 to 0.1, more preferably 0.002 to 0.05 in terms of atomic ratio of bismuth / manganese.
- the amount of yttrium added as the third metal component is usually 0.0001 to 0.1, preferably 0.001 to 0.1, more preferably 0.002 to 0.05 in terms of the atomic ratio of yttrium / manganese.
- the addition amount of vanadium as the third metal component is usually 0.0001 to 0.1, preferably 0.001 to 0.1, more preferably 0.002 to 0.00 in terms of the atomic ratio of vanadium / manganese.
- the atomic ratio of (bismuth + vanadium) / manganese is usually 0.002 to 0.040, preferably 0.003 to 0.030, more preferably 0.004 to 0.022, and particularly preferably 0.8.
- the atomic ratio of bismuth / (bismuth + vanadium) is usually 0.05 to 0.95, preferably 0.10 to 0.90, more preferably 0.15 to 0.85. Particularly preferred is 0.20 to 0.80, and most preferred is 0.25 to 0.75.
- Examples of the nitrile compound used in the production method of the present invention include cyanohydrins that are easily produced from various carbonyl group-containing compounds and hydrogen cyanide in the presence of a basic catalyst.
- a more specific cyanohydrin is acetone cyanohydrin.
- Phosphorus is exemplified.
- the hydration reaction using the manganese oxide catalyst of the present invention is carried out in a liquid phase, and is usually carried out in a system with excess water. That is, since the proportion of the nitrile compound in the raw material liquid is 5 to 80% by weight, preferably 20 to 60% by weight, the proportion of water is 20 to 95% by weight, preferably 40 to 80% by weight.
- the reaction temperature is in the range of 10-100 ° C, preferably 20-90 ° C. A temperature lower than this is not preferable because the reaction rate decreases, and a temperature higher than this may cause a large amount of by-products.
- the reaction pressure may be reduced pressure, atmospheric pressure or increased pressure as long as the reaction raw material has a sufficient pressure to maintain a liquid phase at the reaction temperature.
- the ketone which is the raw material of the ketone cyanohydrin
- the reaction raw material liquid in the range of 10 to 300% by weight based on the nitrile compound It is preferable to do.
- acetone cyanohydrin it is preferable to add acetone to the raw material liquid as disclosed in JP-A-52-222.
- the raw material nitrile compound, water, or the like may be mixed in advance, or each may be supplied alone to the reactor.
- the residence time of the reaction liquid in the reactor can be appropriately set so that the nitrile compound becomes the target amide compound with high conversion and high selectivity.
- the target amide compound can be obtained with high purity.
- the reaction mixture was stirred at 70 ° C. for 2 hours, further stirred at 90 ° C. for 4 hours and aged, and then 1.90 g (0.004 mol) of bismuth (III) oxide was added to the reaction mixture with water.
- the liquid suspended in 440 ml was quickly added.
- the resulting precipitate was filtered and washed until the conductivity of the washing liquid reached 300 ⁇ S / cm to obtain a precipitated cake.
- the obtained cake was molded by an extrusion molding machine (cylinder diameter 35 mm ⁇ , nozzle diameter 1.5 mm ⁇ ⁇ 24 holes, hole area ratio 4.4%, hydraulic type), dried at 110 ° C. for 16 hours in a stationary dryer, About 60 g of a molded catalyst having a shape of 1.0 mm ⁇ ⁇ 3 to 7 mm was obtained.
- Catalyst 2 A catalyst prepared in the same manner as Catalyst 1 except that 1.85 g (0.008 mol) of vanadium oxide (IV) sulfate 3.7 hydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 1 Catalyst prepared in the same manner as Catalyst 1 except that yttrium sulfate octahydrate was not added.
- Comparative catalyst 2 A catalyst prepared in the same manner as Catalyst 1 except that 2.93 g (0.004 mol) of lanthanum sulfate nonahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 3 A catalyst prepared in the same manner as Catalyst 1 except that 3.25 g (0.008 mol) of cerium sulfate tetrahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 4 A catalyst prepared in the same manner as Catalyst 1 except that 3.08 g (0.004 mol) of erbium sulfate octahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 5 A catalyst prepared in the same manner as Catalyst 1, except that 3.13 g (0.004 mol) of ytterbium sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 6 A catalyst prepared in the same manner as Catalyst 1 except that 36.43 g (0.008 mol) of 30 wt% titanium sulfate aqueous solution was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 7 A catalyst prepared in the same manner as Catalyst 1 except that 2.90 g (0.008 mol) of zirconium sulfate tetrahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 8 A catalyst prepared in the same manner as Catalyst 1 except that 2.16 g (0.008 mol) of ammonium perrhenate (VII) was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 9 A catalyst prepared in the same manner as Catalyst 1, except that 2.27 g (0.008 mol) of iron (II) sulfate heptahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 10 A catalyst prepared in the same manner as Catalyst 1 except that 1.66 g (0.004 mol) of iron (III) sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 11 A catalyst prepared in the same manner as Catalyst 1 except that 2.26 g (0.008 mol) of cobalt sulfate heptahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 12 A catalyst prepared in the same manner as Catalyst 1, except that 2.14 g (0.008 mol) of nickel sulfate hexahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 13 A catalyst prepared in the same manner as Catalyst 1 except that 2.04 g (0.008 mol) of copper (II) sulfate pentahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 14 A catalyst prepared in the same manner as Catalyst 1 except that 1.25 g (0.004 mol) of silver (I) sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 15 A catalyst prepared in the same manner as Catalyst 1 except that 2.31 g (0.008 mol) of zinc sulfate heptahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 17 A catalyst prepared in the same manner as Catalyst 1 except that 3.02 g (0.008 mol) of aluminum nitrate nonahydrate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 19 A catalyst prepared in the same manner as Catalyst 1 except that 2.08 g (0.004 mol) of indium sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 20 A catalyst prepared in the same manner as Catalyst 1 except that 2.03 g (0.004 mol) of thallium sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 21 A catalyst prepared in the same manner as Catalyst 1 except that 3.12 g (0.0145 mol) of tin sulfate was added instead of yttrium sulfate octahydrate.
- Comparative catalyst 22 A catalyst prepared in the same manner as Catalyst 1 except that 2.62 g (0.008 mol) of potassium tungstate was added to the potassium permanganate aqueous solution instead of yttrium sulfate octahydrate.
- the raw material liquid mixed in a proportion of 40% by weight of acetone cyanohydrin, 10% by weight of acetone and 50% by weight of water was passed through the reaction tube at a flow rate of 30 g / h, and air was simultaneously supplied at 19 mL / h.
- Two days and nine days after the start of the reaction the reaction solution discharged from the reactor was analyzed by high performance liquid chromatography, and the yield of HBD and the amount of HBD produced until the HBD yield decreased to 55% were determined. Asked.
- the amount of HBD produced until the yield of HBD dropped to 55% is the yield on the linear line derived from the daily production and yield of HBD from the second day to the ninth day of the reaction.
- the HBD production amount at a rate of 55% is shown.
- the measurement results are shown in Tables 1 and 2.
- Catalyst 4 Prepared in the same manner as Catalyst 3 except that 0.779 g (0.003 mol) of vanadium oxide (IV) sulfate 3.7 hydrate and 0.950 g (0.002 mol) of bismuth oxide (III) were used. catalyst.
- Catalyst 5 Prepared in the same manner as Catalyst 3, except that 0.390 g (0.002 mol) of vanadium oxide (IV) sulfate 3.7 hydrate and 1.90 g (0.004 mol) of bismuth (III) oxide were used. catalyst.
- Comparative catalyst 23 A catalyst prepared in the same manner as Catalyst 3 except that 1.91 g (0.008 mol) of vanadium oxide (IV) sulfate 3.7 hydrate was added and bismuth (III) oxide was not added.
- Comparative catalyst 24 A catalyst prepared in the same manner as Catalyst 3 except that vanadium oxide sulfate (IV) ⁇ 3.7 hydrate was 3.12 g (0.013 mol) and bismuth oxide (III) was not added.
- Comparative catalyst 25 Catalyst prepared in the same manner as Catalyst 3 except that vanadium oxide (IV) sulfate 3.7 hydrate was not added and bismuth (III) oxide was changed to 2.85 g (0.006 mol).
- Catalyst 8 Prepared in the same manner as Catalyst 3 except that 0.779 g (0.003 mol) of vanadium oxide (IV) sulfate 3.7 hydrate and 0.950 g (0.002 mol) of bismuth oxide (III) were used. catalyst.
- Catalyst 9 Prepared in the same manner as Catalyst 3, except that 2.25 g (0.010 mol) of vanadium oxide (IV) sulfate 3.7 hydrate and 2.21 g (0.005 mol) of bismuth oxide (III) were used. catalyst.
- Catalyst 10 Prepared in the same manner as Catalyst 3, except that vanadium oxide (IV) sulfate 3.7 hydrate was 3.12 g (0.013 mol) and bismuth (III) oxide was 2.85 g (0.006 mol). catalyst.
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Abstract
Description
その中の特許文献2ではZn、Cd、Hg、特許文献3ではZr、V、Sn、特許文献4では元素周期律表3、4、5、13、14、15、16、8、9、10族元素より選択される元素、特許文献5ではNb、Ta、Cr、Mo、W、Si、Ge、Pb、As、Sbをそれぞれマンガン酸化物触媒に添加することにより触媒活性が向上することが開示されている。
しかしながら、これら触媒を工業的に用いた場合、触媒活性は十分とは言えず、さらなる活性向上が求められていた。
1 ビスマスに加えて更に、イットリウムまたはバナジウムを含有するマンガン酸化物触媒からなる、ニトリル化合物と水とを反応させてアミド化合物を製造するためのアミド化合物製造用触媒。
2 ビスマス/マンガンの原子比が0.001~0.1である上記1に記載のアミド化合物製造用触媒。
3 イットリウム/マンガンの原子比が0.001~0.1である上記1または2に記載のアミド化合物製造用触媒。
4 バナジウム/マンガンの原子比が0.001~0.1である上記1または2に記載のアミド化合物製造用触媒。
5 (ビスマス+バナジウム)/マンガンの原子比が0.002~0.040である上記1に記載のアミド化合物製造用触媒。
6 ビスマス/(ビスマス+バナジウム)の原子比が0.05~0.95である請求項1に記載のアミド化合物製造用触媒。
7 上記1~6のいずれかに記載のアミド化合物製造用触媒の存在下、ニトリル化合物と水を液相で反応させることによるアミド化合物の製造方法。
8 ニトリル化合物がアセトンシアンヒドリンである上記7に記載のアミド化合物の製造方法。
に関するものである。
第3金属成分(イットリウムまたはバナジウム)源としては、水溶性の塩やハロゲン化物が好ましく、その中でも硫酸塩、硝酸塩、金属酸塩、塩化物が特に好ましい。ビスマス源としては、硫酸ビスマス、硝酸ビスマスのような水溶性の塩のみならず酸化ビスマスも使用できる。
さらに、(ビスマス+バナジウム)/マンガンの原子比としては、通常0.002~0.040、好ましくは0.003~0.030、より好ましくは0.004~0.022、特に好ましくは0.005~0.020であり、ビスマス/(ビスマス+バナジウム)の原子比としては、通常0.05~0.95、好ましくは0.10~0.90、より好ましくは0.15~0.85、特に好ましくは0.20~0.80、最も好ましくは0.25~0.75である。
(1-1)触媒の調製
触媒1
過マンガン酸カリウム62.96g(0.398mol)を水217.54mlに溶解し85℃で攪拌状態を保った液に対して、硫酸マンガン1水和物56.36g(0.333mol)、硫酸イットリウム8水和物2.45g(0.004mol)を水215.48mlに溶解し更に濃硫酸99.94g(1.019mol)と混合して55℃に保った液を速やかに注加した。注加終了後の反応混合物を70℃で2時間攪拌し、更に90℃で4時間攪拌し熟成させた後、その反応混合物に対して酸化ビスマス(III)1.90g(0.004mol)を水440mlに懸濁させた液を速やかに注加した。室温で30分間攪拌後、得られた沈殿物を濾過し、洗浄液の導電率が300μS/cmとなるまで洗浄して沈殿ケーキを得た。
得られたケーキを押し出し成型機(シリンダー径35mmφ、ノズル径1.5mmφ×24穴、開孔率4.4%、油圧式)で成型し、静置乾燥機にて110℃16時間乾燥後、1.0mmφ×3~7mmの形状の成型触媒を約60g得た。
硫酸イットリウム8水和物の代わりに酸化硫酸バナジウム(IV)・3.7水和物1.85g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物を添加しないこととした他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸ランタン9水和物2.93g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸セリウム4水和物3.25g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸エルビウム8水和物3.08g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸イッテルビウム3.13g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸チタン30wt%水溶液36.43g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸ジルコニウム・4水和物2.90g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに過レニウム酸アンモニウム(VII)2.16g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸鉄(II)7水和物2.27g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸鉄(III)1.66g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸コバルト7水和物2.26g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸ニッケル6水和物2.14g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸銅(II)5水和物2.04g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸銀(I)1.25g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸亜鉛7水和物2.31g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸アルミニウムn水和物(n=14~18)2.53g(0.004mol、n=16で計算した)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硝酸アルミニウム9水和物3.02g(0.008mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硝酸ガリウムn水和物(n=7~9)3.22g(0.008mol、n=8で計算した)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸インジウム2.08g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸タリウム2.03g(0.004mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりに硫酸錫3.12g(0.0145mol)を添加したことの他は触媒1と同様に調製した触媒。
硫酸イットリウム8水和物の代わりにタングステン酸カリウム2.62g(0.008mol)を過マンガン酸カリウム水溶液中に添加したことの他は触媒1と同様に調製した触媒。
触媒1、2、比較触媒1~22
各触媒のアセトンシアンヒドリン水和反応に対する活性は以下の方法によるα-ヒドロキシイソ酪酸アミド(HBD)の収率で評価した。上記方法で調製した各触媒を長さ3~4mmに折り、2.88gをジャケット付の内径10mmφのガラス製反応器に充填した。ジャケットには60℃の温水を流した。アセトンシアンヒドリン40重量%、アセトン10重量%、水50重量%の割合で混合した原料液を流速30g/hで反応管に通し、同時に空気を19mL/hで供給した。反応開始から2日後及び9日後に、反応器から出た反応液を高速液体クロマトグラフィーにて分析し、HBDの収率及びHBDの収率が55%に低下するまでに生産したHBDの量を求めた。ここでHBDの収率が55%に低下するまでに生産したHBDの量とは、反応開始2日目から9日目までの1日ごとのHBD生産量と収率から導き出す1次直線における収率55%時のHBD生産量を示す。それらの測定結果を表1及2に示す。
触媒3
過マンガン酸カリウム62.96g(0.398mol)を水217.54mlに溶解し85℃で攪拌状態を保った液に対して、硫酸マンガン1水和物56.36g(0.333mol)、酸化硫酸バナジウム(IV)・3.7水和物1.56g(0.007mol)を水215.48mlに溶解し更に濃硫酸99.94g(1.019mol)と混合して55℃に保った液を速やかに注加した。注加終了後の反応混合物を70℃で2時間攪拌し、更に90℃で4時間攪拌し熟成させた後、その反応混合物に対して酸化ビスマス(III)0.48g(0.001mol)を水440mlに懸濁させた液を速やかに注加した。室温で30分間攪拌後、得られた沈殿物を濾過し、洗浄液の導電率が300μS/cmとなるまで洗浄して沈殿ケーキを得た。
得られたケーキを押し出し成型機(シリンダー径35mmφ、ノズル径1.5mmφ×24穴、開孔率4.4%、油圧式)で成型し、静置乾燥機にて110℃16時間乾燥後、1.0mmφ×3~7mmの形状の成型触媒を約60g得た。
酸化硫酸バナジウム(IV)・3.7水和物を0.779g(0.003mol)、酸化ビスマス(III)を0.950g(0.002mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を0.390g(0.002mol)、酸化ビスマス(III)を1.90g(0.004mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を1.91g(0.008mol)とし、酸化ビスマス(III)を添加しないことの他は触媒3と同様に調製した触媒。
触媒3~5、比較触媒23
(1-2)と同様の方法で、HBDの収率が55%に低下するまでに生産したHBDの量を測定した。
各触媒における、ビスマス/マンガン、バナジウム/マンガン、(ビスマス+バナジウム)/マンガン、ビスマス/(ビスマス+バナジウム)の原子比(%)とHBDの生産量(g/g cat)を表3に示す。
触媒6
酸化ビスマス(III)を1.90g(0.004mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を3.12g(0.013mol)とし、酸化ビスマス(III)を添加しないことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を添加せず、酸化ビスマス(III)を2.85g(0.006mol)としたことの他は触媒3と同様に調製した触媒。
触媒6、比較触媒24~25
(1-2)と同様の方法で、HBDの収率が55%に低下するまでに生産したHBDの量を測定した。
各触媒における、ビスマス/マンガン、バナジウム/マンガン、(ビスマス+バナジウム)/マンガン、ビスマス/(ビスマス+バナジウム)の原子比(%)とHBDの生産量(g/g cat)を表4に示す。
触媒7
酸化硫酸バナジウム(IV)・3.7水和物を0.346g(0.002mol)、酸化ビスマス(III)を0.340g(0.0007mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を0.779g(0.003mol)、酸化ビスマス(III)を0.950g(0.002mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を2.25g(0.010mol)、酸化ビスマス(III)を2.21g(0.005mol)としたことの他は触媒3と同様に調製した触媒。
酸化硫酸バナジウム(IV)・3.7水和物を3.12g(0.013mol)、酸化ビスマス(III)を2.85g(0.006mol)としたことの他は触媒3と同様に調製した触媒。
触媒7~10
(1-2)と同様の方法で、HBDの収率が55%に低下するまでに生産したHBDの量を測定した。
各触媒における、ビスマス/マンガン、バナジウム/マンガン、(ビスマス+バナジウム)/マンガン、ビスマス/(ビスマス+バナジウム)の原子比(%)とHBDの生産量(g/g cat)を表5に示す。
Claims (8)
- ビスマスに加えて更にイットリウムまたはバナジウムを含有するマンガン酸化物触媒からなる、ニトリル化合物と水とを反応させてアミド化合物を製造するためのアミド化合物製造用触媒。
- ビスマス/マンガンの原子比が0.001~0.1である請求項1に記載のアミド化合物製造用触媒。
- イットリウム/マンガンの原子比が0.001~0.1である請求項1または2に記載のアミド化合物製造用触媒。
- バナジウム/マンガンの原子比が0.001~0.1である請求項1または2に記載のアミド化合物製造用触媒。
- (ビスマス+バナジウム)/マンガンの原子比が0.002~0.040である請求項1に記載のアミド化合物製造用触媒。
- ビスマス/(ビスマス+バナジウム)の原子比が0.05~0.95である請求項1に記載のアミド化合物製造用触媒。
- 請求項1~6のいずれかに記載のアミド化合物製造用触媒の存在下、ニトリル化合物と水を液相で反応させることによるアミド化合物の製造方法。
- ニトリル化合物がアセトンシアンヒドリンである請求項7に記載のアミド化合物の製造方法。
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| Publication number | Publication date |
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| CN102781573A (zh) | 2012-11-14 |
| US8603939B2 (en) | 2013-12-10 |
| KR20130049171A (ko) | 2013-05-13 |
| TWI478766B (zh) | 2015-04-01 |
| US20130041179A1 (en) | 2013-02-14 |
| JP5704359B2 (ja) | 2015-04-22 |
| TW201143888A (en) | 2011-12-16 |
| EP2543435A4 (en) | 2014-01-08 |
| EP2543435A1 (en) | 2013-01-09 |
| RU2012137511A (ru) | 2014-04-10 |
| CN102781573B (zh) | 2015-03-11 |
| JPWO2011108717A1 (ja) | 2013-06-27 |
| EP2543435B1 (en) | 2018-10-17 |
| KR101780840B1 (ko) | 2017-09-21 |
| RU2550295C2 (ru) | 2015-05-10 |
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