Patent EP0174057B1 successfully refreshed from Google Patents.
EP0174057B1
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Ruthenium-phosphine complex catalysts
Assignee: Takasago International Corp
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Filing: 1985-03-08
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Granted: 1988-08-24
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Expires: 2005-03-08
Abstract
No abstract record available.
Inventors
- 👤 Sadao Yoshikawa
- 👤 Masahiko Saburi
- 👤 Takao Ikariya
- 👤 Youichi Ishii
- 👤 Susumu Akutagawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 21:19
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/24; B01J31/2404; B01J31/2442; B01J31/2447; B01J31/2452; C; C07; C07C; C07C51/00; C07C51/347; C07C51/36; C07F; C07F15/00; C07F15/0006; C07F15/0046; C07F15/0053; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/643; B01J2231/645; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/821
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
71 words
A ruthenium-phosphine complex represented by the formula (I) wherein R-BINAP represents a tertiary phosphine represented by the formula (II) wherein all R groups are the same and represent hydrogen, methyl or t-butyl, S represents a tertiary amine, y represents 0 or 1, and when y is 0, x represents 2, z represents-4 and p represents 1 and when y is 1, x represents 1, z represents 1 and p represents 0.
Claim 2
Dependent Claim
71 words
A ruthenium-phosphine complex represented by the formula (I) wherein R-BINAP represents a tertiary phosphine represented by the formula (II) wherein all R groups are the same and represent hydrogen, methyl or t-butyl, S represents a tertiary amine, y represents 0 or 1, and when y is 0, x represents 2, z represents-4 and p represents 1 and when y is 1, x represents 1, z represents 1 and p represents 0.
Claim 3
Dependent Claim
14 words
A complex as claimed in claim 1, wherein the tertiary amine is a trialkylamine.
Claim 4
Dependent Claim
18 words
A complex as claimed in claim 1 or 2, wherein the R-BINAP is in an optically active form.
Claim 5
Independent Claim
36 words
A method of preparing a complex as claimed in any preceding claim, which comprises reacting a complex of ruthenium chloride and cyclooctadiene with the R-BINAP phosphine in the presence of a tertiary amine, in a solvent.
Claim 6
Dependent Claim
28 words
A method as claimed in claim 4, wherein 1 mol of RuCl z -cyclooctadiene, 1.2 or 2 mols of R-BINAP and 4 mols of triethylamine are heated together.
Claim 7
Dependent Claim
30 words
A process of synthesis wherein a complex as claimed in any of claims 1 to 3 or prepared by the method of claim 4 or 5 is used as catalyst.
References Cited (Backward Citations)
No citation records indexed.
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