US4297181A
Expired / Lapsed
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Process for preparing ketones
Assignee: Individual
•
Filing: 1980-06-11
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Granted: 1981-10-27
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Expires: 2000-06-11
Abstract
Abstract Process for preparing a ketone by subjecting a secondary alcohol to a catalytic electrode oxidation in the presence of iodine or/and an iodine compound.
Inventors
- 👤 Tatsuya Shono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:36
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/23; C25B3/01; C25B3/07
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
27 words
Process for preparing a ketone, characterized in that a secondary alcohol is subjected to a catalytic electrode oxidation in the presence of iodine or/and an iodine compound.
Claim 2
Dependent Claim
27 words
Process for preparing a ketone, characterized in that a secondary alcohol is subjected to a catalytic electrode oxidation in the presence of iodine or/and an iodine compound.
Claim 3
Dependent Claim
23 words
Process for preparing a ketone as defined in claim 1 wherein the catalytic electrode oxidation is carried out in a uniform reaction system.
Claim 4
Dependent Claim
31 words
Process for preparing a ketone as defined in claim 1 wherein the catalytic electrode oxidation is carried out in a two-layer reaction system comprising an aqueous layer and an organic layer.
Claim 5
Dependent Claim
34 words
Process for preparing a ketone as defined in claim 1 wherein the iodine compound is an iodine compound of hydrogen, lithium, sodium, potassium, cesium, magnesium, zinc, calcium, cobalt, cadmium, iron, nickel, barium, or manganese.
Claim 6
Dependent Claim
46 words
Process for preparing a ketone as defined in claim 1 wherein the secondary alcohol is an alcohol of the general formula ##STR6## wherein R and R' are the same or different and represent an aliphatic group, an alicyclic group, an aromatic group or a heterocyclic group.
Claim 7
Dependent Claim
27 words
Process according to claim 5 wherein the groups R and R 1 contain a hetero atom selected from the group consisting of N, O, S, and P.
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) | 1984-10-26 | 1985-04-27 | 1985-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-26 | 1989-04-27 | 1989-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-26 | 1993-04-27 | 1993-10-27 | $7700.00 | Window Closed / Lapsed |