Patent US3879470A successfully refreshed from Google Patents.
US3879470A
Expired / Lapsed
US
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Benzophenone derivatives and a process for the production
Assignee: Mitsubishi Chemical Corp
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Filing: 1973-07-30
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Granted: 1975-04-22
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Expires: 1993-07-30
Abstract
Abstract There is disclosed a novel compound of 2 hydroxy-4-(2,7alkadienyloxy) benzophenone and its derivatives, and that the product is produced by reacting a 2 hydroxy benzophenone compound with a 1,3-diene compound in the presence of a palladium catalyst.
Inventors
- 👤 Hiroaki Munakata
- 👤 Naoshi Imaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; C07C49/00; C07C49/76; C07C49/84
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
9 words
A 2-HYDROXY-4-(2,7-OCTADIENYLOXY) BENZOPHENONE COMPOUND HAVING THE GENERAL FORMULA OF
Claim 2
Dependent Claim
9 words
A 2-HYDROXY-4-(2,7-OCTADIENYLOXY) BENZOPHENONE COMPOUND HAVING THE GENERAL FORMULA OF
Claim 3
Dependent Claim
9 words
A 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound having the general formula of
Claim 4
Dependent Claim
9 words
A 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound having the general formula of
Claim 5
Dependent Claim
2 words
2-Hydroxy-4-(2,7-octadienyloxy) benzophenone.
Claim 6
Dependent Claim
2 words
2-Hydroxy-4-(2,7-octadienyloxy) benzophenone.
Claim 7
Dependent Claim
2 words
2-Hydroxy-3-methyl-4-(2,7-octadienyloxy) benzophenone.
Claim 8
Dependent Claim
2 words
2-Hydroxy-3-methyl-4-(2,7-octadienyloxy) benzophenone.
Claim 9
Dependent Claim
11 words
A process for producing a 2-hydroxy-4-alkadienyloxybenzophenone compound having the formula of
Claim 10
Dependent Claim
11 words
A process for producing a 2-hydroxy-4-alkadienyloxybenzophenone compound having the formula of
Claim 11
Dependent Claim
11 words
A PROCESS FOR PRODUCING A 2-HYDROXY-4ALKALDIENYLOXYBENZOPHENONE COMPOUND HAVING THE FORMULA OF
Claim 12
Dependent Claim
11 words
A PROCESS FOR PRODUCING A 2-HYDROXY-4ALKALDIENYLOXYBENZOPHENONE COMPOUND HAVING THE FORMULA OF
Claim 13
Dependent Claim
36 words
A process for producing 2-hydroxy-4-(alkadienyloxy) benzophenone compound according to claim 4, wherein a neutral ligand selected from the group consisting of a trivalent phosphorus compound and a trivalent arsenic compound is incorporated into said palladium catalyst.
Claim 14
Dependent Claim
55 words
A process for producing 2-hydroxy-4-alkadienyloxybenzophenone compound according to claim 4, wherein a basic alkali metal compound selected from the group consisting of an alkali metal phenoxide, an alkali metal alkoxidE containing 1 to 8 carbon atoms, an alkali metal carboxylate, an alkali metal carbonate and an alkali metal hydroxide is incorporated into said palladium compound.
Claim 15
Dependent Claim
11 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound having the formula of
Claim 16
Dependent Claim
11 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound having the formula of
Claim 17
Dependent Claim
37 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein a neutral ligand selected from the group consisting of a trivalent phosphorus compound and a trivalent arsenic compound is incorporated into said palladium catalyst.
Claim 18
Dependent Claim
69 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 8, wherein said trivalent phosphorus and arsenic compound is a compound having the general formula of MR3 wherein M represents an atom of phosphorus and arsenic and R represents an alkyl group containing 1 to 8 carbon atoms and a phenyl group which may be substituted with one or more alkyl groups containing 1 to 8 carbon atoms.
Claim 19
Dependent Claim
21 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein the reaction is carried out in a solvent.
Claim 20
Dependent Claim
27 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein said solvent is a mixture of an aromatic hydrocarbon and an aprotic polar solvent.
Claim 21
Dependent Claim
38 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein the proportion of said palladium catalyst used is from 10 1 to 10 5 gram atom of palladium per one mole of said 2,4-dihydroxybenzophenone compound.
Claim 22
Dependent Claim
19 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 9, wherein said trivalent phosphorus compound is a triphenylphosphine.
Claim 23
Dependent Claim
57 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein a basic alkali metal compound selected from the group consisting of an alkali metal phenoxide, an alkali metal alkoxide containing 1 to 8 carbon atoms, an alkali metal carboxylate, an alkali metal carbonate and an alkali metal hydroxide is incorporated into said palladium compound.
Claim 24
Dependent Claim
78 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 7, wherein said palladium catalyst is an inorganic palladium salt incorporated with a neutral ligand selected from the group consisting of a trivalent phosphorus compound and a trivalent arsenic compound, and a basic alkali compound selected from the group consisting of an alkali metal phenoxide, an alkali metal alkoxide containing 1 to 8 carbon atoms, an alkali metal carboxylate, an alkali metal carbonate and an alkali metal hydroxide.
Claim 25
Dependent Claim
50 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 15, wherein said palladium catalyst is an inorganic palladium salt selected from the group consisting of palladium chloride, palladium iodide, palladium nitrate and palladium sulfate, said neutral ligand is a triphenylphosphine and said basic alkali compound is a sodium phenoxide.
Claim 26
Dependent Claim
35 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein said palladium catalyst is a palladium carboxylate selected from the group consisting of an aliphatic palladium carboxylate and an aromatic palladium carboxylate.
Claim 27
Dependent Claim
33 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 17, wherein said palladium cadalyst is a palladium carboxylate selected from the group consisting of palladium acetate, palladium propionate and palladium benzoate.
Claim 28
Dependent Claim
20 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 18, wherein a triphenylphosphine is incorporated into said palladium catalyst.
Claim 29
Dependent Claim
20 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 19, wherein a sodium phenoxide is incorporated into a triphenylphosphine.
Claim 30
Dependent Claim
20 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 7, wherein said palladium catalyst is a palladium chelate compound.
Claim 31
Dependent Claim
20 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 21, wherein said palladium chelate compound is palladium acetylacetonate.
Claim 32
Dependent Claim
26 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 7, wherein said palladium compound is a palladium salt complex containing at least one neutral ligand.
Claim 33
Dependent Claim
43 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 23, wherein said palladium compound is a palladium salt complex selected from the group consisting of (P(C6H5)3)2PdCl2, (P(C6H5))2Pd(OOCCH3)2, (P(C6H5)3Pd(OOCCH3)2)2, (As(C6H5)3)2 Pd(OOCCH3)2, (C6H5CN)2PdCl2, a pi -allyl palladium complex and a zero valent palladium complex.
Claim 34
Dependent Claim
21 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 7, wherein said palladium compound is a pi -allyl palladium complex.
Claim 35
Dependent Claim
34 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 25, wherein said palladium compound is a pi -allyl palladium complex selected from the group consisting of ( pi -C3H5)Pd(OOCCH3)2 and (( pi -C3H5)PdCl)2.
Claim 36
Dependent Claim
22 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy) benzophenone compound according to claim 7, wherein said palladium compound is a zero valent palladium complex.
Claim 37
Dependent Claim
28 words
A process for producing a 2-hydroxy-4-(2,7-octadienyloxy)benzophenone compound according to claim 27, wherein said palladium compound is a zero valent palladium complex selected from the group consisting of (P(C6H5)3)4Pd,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |