US4326989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst of nickel compound and ligand in presence of a reducing metal
Assignee: BP Corp North America Inc
•
Filing: 1980-11-12
•
Granted: 1982-04-27
•
Expires: 2000-11-12
Abstract
Abstract Aryl and heteroaryl mono chlorides are coupled in an aprotic solvent under an inert atmosphere by a catalyst mixture of a nickel compound and a ligand in the presence of a reducing metal.
Inventors
- 👤 Ismael Colon
- 👤 Louis M. Maresca
- 👤 George T. Kwiatkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:57
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/22; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01J31/24; B01J31/2404; B01J31/26; C07C; C07C209/00; C07C209/68; C07C41/00; C07C41/01; C07C41/18; C07C41/30; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72; B01J2231/00; B01J2231/40; B01J2231/42; B01J2231/4205; B01J23/00; B01J23/02; B01J23/06; B01J23/16; B01J23/32; B01J23/34; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/128; C07C2531/00; C07C2531/16; C07C2531/24; C07C2531/26; C07C2531/28; C07C2531/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
135 words
A catalyst composition comprising an anhydrous nickel compound and at least one ligand selected from the group consisting of a triaryl phosphine having 6 to about 14 carbon atoms in each aryl moiety and an aromatic bidentate compound containing at least one ring nitrogen atom and about 5 to about 30 carbon atoms, at least one metal selected from metallic magnesium and manganese and at least one promoter selected from alkali, alkaline earth, zinc, magnesium, manganese, and aluminum halides, sulfates or phosphates, wherein the amount of ligand is about 0.1 to about 100 moles per gram atom of nickel and the amount of the metallic magnesium and manganese is at least about 1 gram atom per gram atom of nickel and the amount of promoter is at least 0.1 moles per gram atom of nickel.
Claim 2
Dependent Claim
135 words
A catalyst composition comprising an anhydrous nickel compound and at least one ligand selected from the group consisting of a triaryl phosphine having 6 to about 14 carbon atoms in each aryl moiety and an aromatic bidentate compound containing at least one ring nitrogen atom and about 5 to about 30 carbon atoms, at least one metal selected from metallic magnesium and manganese and at least one promoter selected from alkali, alkaline earth, zinc, magnesium, manganese, and aluminum halides, sulfates or phosphates, wherein the amount of ligand is about 0.1 to about 100 moles per gram atom of nickel and the amount of the metallic magnesium and manganese is at least about 1 gram atom per gram atom of nickel and the amount of promoter is at least 0.1 moles per gram atom of nickel.
Claim 3
Dependent Claim
104 words
A catalyst composition comprising an anhydrous nickel compound and at least one ligand which is an aromatic bidentate compound containing at least one ring nitrogen atom and about 5 to about 30 carbon atoms, metallic zinc, and at least one promoter selected from alkali, alkaline earth, zinc, magnesium, manganese, and aluminum halides, sulfates or phosphates, wherein the amount of ligand is about 0.1 to about 100 moles per gram atom of nickel and the amount of zinc is at least about 1 gram atom per gram atom of nickel and the amount of promoter is at least 0.1 moles per gram atom of nickel.
Claim 4
Dependent Claim
104 words
A catalyst composition comprising an anhydrous nickel compound and at least one ligand which is an aromatic bidentate compound containing at least one ring nitrogen atom and about 5 to about 30 carbon atoms, metallic zinc, and at least one promoter selected from alkali, alkaline earth, zinc, magnesium, manganese, and aluminum halides, sulfates or phosphates, wherein the amount of ligand is about 0.1 to about 100 moles per gram atom of nickel and the amount of zinc is at least about 1 gram atom per gram atom of nickel and the amount of promoter is at least 0.1 moles per gram atom of nickel.
References Cited (Backward Citations)
US3641175A
Cited
US3414629A
Cited
US3736264A
Cited
US3661882A
Cited
US4000211A
Cited
US3856868A
Cited
US3859327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-26 | 1985-10-26 | 1986-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-26 | 1989-10-26 | 1990-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-26 | 1993-10-26 | 1994-04-27 | $7700.00 | Window Closed / Lapsed |