US3907850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing unsaturated organosilicon compounds
Assignee: Czech Academy of Sciences
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Filing: 1973-11-23
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Granted: 1975-09-23
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Expires: 1993-11-23
Abstract
Abstract Method of producing unsaturated organosilicon compounds by hydrosilylation of conjugated dienic hydrocarbons by organosilicon hydrides of the common formulae R2SiHCl2, SiHCl3, (R3O)3SiH, where R2 means methyl, ethyl or phenyl group, and R3 is methyl, ethyl, propyl, 2-methoxyethyl and 2-ethoxyethyl-group, in the presence of catalysts consisting of compounds of zerovalent and of divalent nickel. The reactants are contacted at a temperature within the range of 70* to 200*C.
Inventors
- 👤 Martin Capka
- 👤 Petr Svoboda
- 👤 Jiri Hetflejs
- 👤 Vladimir Bazant
- 👤 Petr Bazant
- 👤 Vera Bazantova
- 👤 Jan Bazant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:48
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F7/1872; C07F7/1876; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
182 words
A PROCESS FOR THE PRODUCTION OF UNDSATURATED ORGANOSILICON COMPOUNDS COMPRISING REACTING TOGETHER IN THE PRESENCE OF A NICKEL COMPOUND A SILICON COMPOUND AND A DIENIC HYDROCARBON SAID NICKEL COMPOUND BEING (1,5 CYCOOCTADIENE) NICKEL, TETRACARBONYLNICKEL, BIS (TRIPHENYLPHOSPHINE) DICARBONYLNICKEL, AND TETRAKIS (TRIPHENYLPHOSPHINE) NICKEL, A NICKEL COMPLEX OF THE FORMULA L2 NIX2 WHERE L2 IS CHOSEN FROM THE GROUP CONSISTING OF TWO MOLECULES OF TRIPHENYPHOSPHINE AND ONE MOLECULE OF 1,2-BIS (DIPHENYLPHOSPHINE) RETHANE AND X IS CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE ATOM, A CYANO GROUP, AND A NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF A NICKEL CHLORIDE, NICKEL BROMIDE NICKEL IODIDE, NICKEL NITRITE NICKEL LACTATE AND NICKEL ACETYLACETONATE CORDINATELY LOUND TO A TERLIARY PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF TRIPHEYLPHOSPINE, TRIBUTYPHOSPINE, 1 2-BIS (PIPNENYLPHOSPHINO) ENAMINE, 1,2-BIS (DIPHENYLPHOSPHINO) BENZENE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, TRIPROPLAMINE, AND TRIBUTYLAMINE, SAID SILICON COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF DICHLOROMETHYLSILANE, DICHLOROETHYLSILANE, DICHLOROPHENYLSILANE, TRICHLOROSILANE, TRIETHOXYSILANE, TRIPROPOXYSILANE, TRIS (2-METHOXYETHOXYSILANE) AND TRIS (2-ETHOXYETHOXY) SILANE, AND SAID DIENIC HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF 1,3-BUTADIENE, ISOPRENE, AND PIPERYLENE.
Claim 2
Dependent Claim
182 words
A PROCESS FOR THE PRODUCTION OF UNDSATURATED ORGANOSILICON COMPOUNDS COMPRISING REACTING TOGETHER IN THE PRESENCE OF A NICKEL COMPOUND A SILICON COMPOUND AND A DIENIC HYDROCARBON SAID NICKEL COMPOUND BEING (1,5 CYCOOCTADIENE) NICKEL, TETRACARBONYLNICKEL, BIS (TRIPHENYLPHOSPHINE) DICARBONYLNICKEL, AND TETRAKIS (TRIPHENYLPHOSPHINE) NICKEL, A NICKEL COMPLEX OF THE FORMULA L2 NIX2 WHERE L2 IS CHOSEN FROM THE GROUP CONSISTING OF TWO MOLECULES OF TRIPHENYPHOSPHINE AND ONE MOLECULE OF 1,2-BIS (DIPHENYLPHOSPHINE) RETHANE AND X IS CHOSEN FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE ATOM, A CYANO GROUP, AND A NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF A NICKEL CHLORIDE, NICKEL BROMIDE NICKEL IODIDE, NICKEL NITRITE NICKEL LACTATE AND NICKEL ACETYLACETONATE CORDINATELY LOUND TO A TERLIARY PHOSPHINE SELECTED FROM THE GROUP CONSISTING OF TRIPHEYLPHOSPINE, TRIBUTYPHOSPINE, 1 2-BIS (PIPNENYLPHOSPHINO) ENAMINE, 1,2-BIS (DIPHENYLPHOSPHINO) BENZENE AND A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIETHYLAMINE, TRIPROPLAMINE, AND TRIBUTYLAMINE, SAID SILICON COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF DICHLOROMETHYLSILANE, DICHLOROETHYLSILANE, DICHLOROPHENYLSILANE, TRICHLOROSILANE, TRIETHOXYSILANE, TRIPROPOXYSILANE, TRIS (2-METHOXYETHOXYSILANE) AND TRIS (2-ETHOXYETHOXY) SILANE, AND SAID DIENIC HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF 1,3-BUTADIENE, ISOPRENE, AND PIPERYLENE.
Claim 3
Dependent Claim
27 words
A process as in claim 1, in which the reaction is effected by heating the reaction mixture at a temperature within the range of 70* to 170*C.
References Cited (Backward Citations)
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US2908699A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |