Patent EP0033554A2 successfully refreshed from Google Patents.
EP0033554A2
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EP
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A process for the hydroformylation of conjugated dienes
Assignee: Shell Internationale Research Maatschappij BV
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Filing: 1981-01-12
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Granted: —
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Expires: 2001-01-12
Abstract
Abstract A process for the hydroformylation of a conjugated diene which comprises reacting a conjugated diene with carbon monoxide and hydrogen in the presence of a complex of rhodium with a polydentate ligand containing trivalent phosphorus bearing substituted or unsubstituted aryl groups and in which ligand any of two P-atoms are separated by a chain of two carbon atoms.
Inventors
- 👤 Petrus W. N. M. Van Leeuwen
- 👤 Cornelis Franciscus Roobeek
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 12:06
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/24; B01J31/2404; B01J31/2409; C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0258; B01J2531/80; B01J2531/82; B01J2531/822
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
65 words
A process for the hydroformylation of a conjugated diene by reacting a conjugated diene with carbon monoxide and hydrogen, characterized in that the reaction is carried out in the presence of a complex of rhodium with a polydentate ligand containing trivalent phosphorus bearing substituted or unsubstituted aryl groups and in which ligand any of two P-atoms are separated by a chain of two carbon atoms.
Claim 2
Dependent Claim
65 words
A process for the hydroformylation of a conjugated diene by reacting a conjugated diene with carbon monoxide and hydrogen, characterized in that the reaction is carried out in the presence of a complex of rhodium with a polydentate ligand containing trivalent phosphorus bearing substituted or unsubstituted aryl groups and in which ligand any of two P-atoms are separated by a chain of two carbon atoms.
Claim 3
Dependent Claim
18 words
A process as claimed in claim 1, characterized in that the polydentate ligand contains at least one moiety:
Claim 4
Dependent Claim
18 words
A process as claimed in claim 1 or 2, characterized in that the polydentate ligand has the formula:
Claim 5
Dependent Claim
18 words
A process as claimed in claim 1 or 2, characterized in that the polydentate ligand has the formula:
Claim 6
Dependent Claim
18 words
A process as claimed in claim 1 or 2, characterized in that the polydentate ligand has the formula:
Claim 7
Dependent Claim
18 words
A process as claimed in claim 1 or 2, characterized in that the polydentate ligand has the formula:
Claim 8
Dependent Claim
16 words
A process as claimed in claim 1, characterized in that the polydentate ligand has the formula:
Claim 9
Dependent Claim
32 words
A process as claimed in any one of the preceding claims, characterized in that the reaction is carried out at a temperature in the range of from 50° to 200 0 C.
Claim 10
Dependent Claim
26 words
A process as claimed in claim 8, characterized in that the reaction is carried out at a temperature in the range of from 80 to 130°C.
Claim 11
Dependent Claim
34 words
A process as claimed in any one of the preceding claims, characterized in that the sum of the pressures of hydrogen and carbon monoxide is in the range of from 3 to 35 bars.
Claim 12
Dependent Claim
31 words
A process as claimed in any one of the preceding claims, characterized in that the molar ratio of hydrogen to carbon monoxide is in the range of from 0.5 to 12.
Claim 13
Dependent Claim
31 words
A process as claimed in any one of the preceding claims, characterized in that the molar ratio of rhodium complex to diene is in the range of from 1:10,000 to 1:10.
Claim 14
Dependent Claim
23 words
A process as claimed in any one of the preceding claims, characterized in that the reaction is carried out in a hydrocarbon solvent.
Claim 15
Dependent Claim
17 words
A process as claimed in claim 13, characterized in that the reaction is carried out in toluene.
Claim 16
Dependent Claim
16 words
A process as claimed in claim 1, substantially as hereinbefore described with reference to the Examples.
Claim 17
Dependent Claim
15 words
Products whenever prepared by a process as claimed in any one of the preceding claims.
References Cited (Backward Citations)
No citation records indexed.
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