US3932534A
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Process for hydrogenation reaction of unsaturated organic compounds
Assignee: KH Neochem Co Ltd
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Filing: 1973-06-08
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Granted: 1976-01-13
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Expires: 1993-06-08
Abstract
Abstract When a solid reduction catalyst prepared by calcining and reducing at 350 DEG to 700 DEG C. in a hydrogen stream a precursor compound having a composition expressed by the following formula MxNiyAlz(OH)2x+2y+ex-tp(A)p.aH2O and having a layer lattice crystal structure characterized by the following X-ray diffraction pattern }d (A) I/Io } 7.5-210.2 100 }3.6-10.6 5 - 80 }2.4-6.4 5 - 60 } IS EMPLOYED FOR HYDROGENATION REDUCTION OF UNSATURATED ORGANIC COMPOUNDS, THE INTENDED REDUCTION PRODUCTS CAN BE OBTAINED AT VERY HIGH CONVERSION AND VERY HIGH SELECTIVITY.
Inventors
- 👤 Yasuhisa Fukunaga
- 👤 Akira Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:32
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/126; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/755; B01J23/76; B01J23/80; C07; C07C; C07C209/00; C07C209/44; C07C209/48; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/143; C07C29/145; C07C29/17; C07C29/19; C07C29/20; C07C5/00; C07C5/02; C07C5/03; C07C5/10; C07C53/00; C07C53/126; C11C3/123; C07C2527/00; C07C2527/20; C07C2527/232; C07C2527/24; C07C2527/25; C07C2531/00; C07C2531/02; C07C2531/04; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
248 words
A process for hydrogenation of organic compounds which comprises reducing with hydrogen an unsaturated organic compound wherein the organic compound is a carbonyl compound expressed by the following formula ##EQU3## wherein R is an alkyl or aralkyl group having up to 12 carbon atoms, R 1 stands for a hydrogen atom or the group R, and R 2 stands for a lower alkyl group having up to 4 carbon atoms. in the presence of a solid catalyst for reduction, wherein the solid reduction catalyst consists essentially of a product obtained by calcining and reducing at a temperature of 350° to 700°C. in a hydrogen stream a precursor compound having a composition expressed by the following general formula M x Ni y Al z (OH) 2x +2y +3z -tp (A) p .aH 2 O wherein A stands for an anion, M stands for at least one metal selected from the group consisting of magnesium and zinc, t designates the valency of the anion A, and x, y, z, p and a are such numbers that when z is 2, the following relations are established: x + y = 0.1 to 20, x = 0 to 19.9, and y = 0.1 to 20 and the following conditions are satisfied: 1/6>p/(x + y + z)>1/20, and a>0 and having substantially the following diffraction pattern in the powder X-ray diffractiometry (Cu-Kα) d (A) I/Io
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7.5 - 21.02 100
3.6 - 10.6 5 - 80
2.4 - 6.4 5 - 60
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Claim 2
Dependent Claim
248 words
A process for hydrogenation of organic compounds which comprises reducing with hydrogen an unsaturated organic compound wherein the organic compound is a carbonyl compound expressed by the following formula ##EQU3## wherein R is an alkyl or aralkyl group having up to 12 carbon atoms, R 1 stands for a hydrogen atom or the group R, and R 2 stands for a lower alkyl group having up to 4 carbon atoms. in the presence of a solid catalyst for reduction, wherein the solid reduction catalyst consists essentially of a product obtained by calcining and reducing at a temperature of 350° to 700°C. in a hydrogen stream a precursor compound having a composition expressed by the following general formula M x Ni y Al z (OH) 2x +2y +3z -tp (A) p .aH 2 O wherein A stands for an anion, M stands for at least one metal selected from the group consisting of magnesium and zinc, t designates the valency of the anion A, and x, y, z, p and a are such numbers that when z is 2, the following relations are established: x + y = 0.1 to 20, x = 0 to 19.9, and y = 0.1 to 20 and the following conditions are satisfied: 1/6>p/(x + y + z)>1/20, and a>0 and having substantially the following diffraction pattern in the powder X-ray diffractiometry (Cu-Kα) d (A) I/Io
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7.5 - 21.02 100
3.6 - 10.6 5 - 80
2.4 - 6.4 5 - 60
______________________________________
Claim 3
Dependent Claim
36 words
A process according to claim 1 wherein the anion A in the precursor compound is selected from the group consisting of halide ions, nitric acid ion, carbonic acid ion, formic acid ion and oxalic acid ion.
Claim 4
Dependent Claim
36 words
A process according to claim 1 wherein the solid reduction catalyst has a BET specific surface area of at least 100 m 2 /g and an X-ray particle size on (111) face not exceeding 60 A.
Claim 5
Dependent Claim
75 words
A process according to claim 1 wherein the precursor compound has a composition expressed by the following formula Ni.sub.y Al.sub.2 (OH).sub.6.sub.+2y.sub.-tp (A).sub.p.aH.sub.2 O wherein A stands for a nitric acid ion, a formic acid ion, oxalic acid ion or a carbonic acid ion, y is a number of from 0.1 to 6, t designates the valency of the anion A, a is a positive number, and p is a number satisfying the condition of 1/6>p/(2+y)>1/20.
Claim 6
Dependent Claim
85 words
A process according to claim 1 wherein the precursor compound has a composition expressed by the following formula Ni.sub.y Mg.sub.x Al.sub.2 (OH).sub.6.sub.+2y.sub.+2x.sub.-tp (A).sub.p.aH.sub.2 O wherein A is a nitric acid ion, a formic acid ion, an oxalic acid ion or a carbonic acid ion, y is a number of from 0.1 to 10, x is a number of from 1.5 to 5.5, t designates the valency of the anion A, a is a positive number, and p is a number satisfying the condiiton of 1/6>p/(2+y+x)>1/20.
Claim 7
Dependent Claim
86 words
A process according to claim 1 wherein the precursor compound has a composition expressed by the following formula Ni.sub.y Zn.sub.x Al.sub.2 (OH).sub.6.sub.+2y.sub.+2x.sub.-tp (A).sub.p.aH.sub.2 O wherein A is a nitric acid ion, a formic acid ion, an oxalic acid ion or a carbonic acid ion, y is a number of from 0.1 to 10, x is a number of from 1.5 to 5.5, t designates the the valency of the anion A, a is a positive number, and p is a number satisfying the condition of 1/6>p/(2+y+x)>1/20.
Claim 8
Dependent Claim
89 words
A process according to claim 1 wherein the precursor compound has a composition expressed by the following formula Ni.sub.y Zn.sub.x.sub.' Mg.sub.x.sub." Al.sub.2 (OH).sub.6.sub.+2y.sub.+2x.sub.'.sub.+2x.sub.".sub.-tp (A).sub.tp.aH.sub.2 O wherein A is a nitric acid ion, a formic acid ion, an oxalic acid ion or carbonic acid ion, y is a number of from 0.1 to 10, x' and x" each stand for a number of from 1.5 to 5.5, t designates the valency of the anion A, a is a positive number, and p is a number satisfying the condition of 1/6>p/(2+y+x'+x")>1/20.
Claim 9
Dependent Claim
33 words
A process according to claim 1 wherein the mole ratio of nickel oxide (NiO) : metallic nickel in the catalyst is within a range of from 30 : 70 to 97 : 3.
Claim 10
Dependent Claim
21 words
A process according to claim 1 wherein the hydrogenation is carried out at a temperature ranging from room temperature to 250°C.
Claim 11
Dependent Claim
30 words
A process according to claim 1 wherein the hydrogenation is carried out in the presence of hydrogen maintained at a pressure ranging from atmospheric pressure to 500 Kg/cm 2 .
Claim 12
Dependent Claim
22 words
The process of claim 1 wherein said carbonyl compound is selected from the group consisting of acetone, methylethylketone, butylaldehyde, phenylacetaldehyde and ethylphenylacetate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |