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US4097509A
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Double-ylide metal complexes
Assignee: Hoechst AG
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Filing: 1977-03-22
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Granted: 1978-06-27
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Expires: 1997-03-22
Abstract
Abstract Double-ylide metal complexes are made. To this end, one or more bis- methyl-(diorganyl)-phosphoranylidene!-methanes of the general formula (CH.sub.3)R.sup.1 R.sup.2 P═C═PR.sup.1 R.sup.2 (CH.sub.3) in which R 1 and R 2 each stand independently of one another for an alkyl radical having 1 to 4 carbon atoms, or phenyl or tolyl, are reacted with one or more compounds of a monovalent, bivalent or trivalent metal.
Inventors
- 👤 Hubert Schmidbaur
- 👤 Oswald Gasser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:40
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
15 words
Bis-methyl-gold-bis-trimethylphosphano-methane of the formula: (CH 3 ) 3 P! 2 C(AuCH 3 ) 2 .
Claim 2
Dependent Claim
15 words
Bis-methyl-gold-bis-trimethylphosphano-methane of the formula: (CH 3 ) 3 P! 2 C(AuCH 3 ) 2 .
Claim 3
Dependent Claim
20 words
A double-ylide metal complex of the formula ##STR13## in which M stands for magnesium, zinc, cadmium, nickel, palladium or platinum.
Claim 4
Dependent Claim
20 words
A double-ylide metal complex of the formula ##STR13## in which M stands for magnesium, zinc, cadmium, nickel, palladium or platinum.
Claim 5
Dependent Claim
20 words
A double-ylide metal complex of the formula: ##STR14## in which M' stands for boron, aluminum, gallium, indium, thallium or gold.
Claim 6
Dependent Claim
20 words
A double-ylide metal complex of the formula: ##STR14## in which M' stands for boron, aluminum, gallium, indium, thallium or gold.
References Cited (Backward Citations)
US2998416A
Cited
US3686159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |